zbjsnabdhksjsjsjjsjsnnsjjsjsj​

Zbjsnabdhksjsjsjjsjsnnsjjsjsj

Answers

Answer 1

Answer:

45 square centimeters

Step-by-step explanation:

to find the area of the rectangel multiply its height, which is 5 by its length which is 9.

9 x 5 = 45

Answer 2
45 Centimeters. Have a great day

Related Questions

Suppose that f(x,y) = x^2+y^2 at which 0≤ x,y and 5x+7y ≤7Absolute minimum of f(x,y) is :Absolute maximum of f(x,y) is :

Answers

The absolute minimum of f(x,y) is f(5/2, 7/2) = (5/2)² + (7/2)² = 61/4.

The absolute maximum of f(x,y) over the feasible region is f(7/5,0) = 49/25.

We want to minimize and maximize the function f(x,y) = x² + y² subject to the constraint 0 ≤ x,y and 5x + 7y ≤ 7.

First, we can rewrite the constraint as y ≤ (-5/7)x + 1, which is the equation of the line with slope -5/7 and y-intercept 1.

Now, we can visualize the feasible region of the constraint by graphing the line and the boundaries x = 0 and y = 0, which form a triangle.

We can see that the feasible region is a triangle with vertices at (0,0), (7/5,0), and (0,1).

To find the absolute minimum and maximum of f(x,y) over this region, we can use the method of Lagrange multipliers. We want to find the values of x and y that minimize or maximize the function f(x,y) subject to the constraint g(x,y) = 5x + 7y - 7 = 0.

The Lagrangian function is L(x,y,λ) = f(x,y) - λg(x,y) = x² + y² - λ(5x + 7y - 7).

Taking the partial derivatives with respect to x, y, and λ, we get:

∂L/∂x = 2x - 5λ = 0

∂L/∂y = 2y - 7λ = 0

∂L/∂λ = 5x + 7y - 7 = 0

Solving these equations simultaneously, we get:

x = 5/2

y = 7/2

λ = 5/2

These values satisfy the necessary conditions for an extreme value, and they correspond to the point (5/2, 7/2) in the feasible region.

To determine whether this point corresponds to a minimum or maximum, we can check the second partial derivatives of f(x,y) and evaluate them at the critical point:

∂²f/∂x² = 2

∂²f/∂y² = 2

∂²f/∂x∂y = 0

The determinant of the Hessian matrix is 4 - 0 = 4, which is positive, so the critical point corresponds to a minimum of f(x,y) over the feasible region. Therefore, the absolute minimum of f(x,y) is f(5/2, 7/2) = (5/2)² + (7/2)² = 61/4.

To find the absolute maximum of f(x,y), we can evaluate the function at the vertices of the feasible region:

f(0,0) = 0

f(7/5,0) = (7/5)² + 0 = 49/25

f(0,1) = 1

To know more about function, refer to the link below:

https://brainly.com/question/30922124#

#SPJ11

The time complexity of the DFS algorithm is O(|E| + |V|).
A. true
B. false

Answers


Depth-first search (DFS) is a graph traversal algorithm that visits each vertex in a graph and explores as far as possible along each branch before backtracking. The time complexity of the DFS algorithm depends on the number of edges (|E|) and vertices (|V|) in the graph.

In DFS, each vertex is visited at most once and each edge is traversed at most twice (once for discovery and once for backtracking). Therefore, the time complexity of DFS is proportional to the number of edges and vertices in the graph. Specifically, the time complexity is O(|E| + |V|), where the O notation indicates the upper bound of the algorithm's time complexity.

Therefore, the statement "The time complexity of the DFS algorithm is O(|E| + |V|)" is true, and the answer is (A) True.

To know more about Depth-first search (DFS) visit:

https://brainly.com/question/28106599

#SPJ11

Set up the appropriate form of a particular solution y, for the following differential equation, but do not determine the values of the coefficients. y (4) +10y" +9y = 5 sin x + 5 cos 3x Which of the following is the appropriate form of a particular solution yp? O A. yp = (A+BX+Cx? + Dxº) e* OB. Yp = Ax cos x + Bx sin x + Cx cos 3x + Dx sin 3x Oc. Yo = (A + Bx) e*+Csin 3x + Dcos 3X OD. Yp = A cos x +B sin x +C cos 3x + D sin 3x Click to select your answer. BI Type here to search

Answers

The values of these coefficients to set up the appropriate form of the particular solution is  A cos(x) + B sin(x) + C cos(3x) + D sin(3x)

The correct option is:   Yp = A cos(x) + B sin(x) + C cos(3x) + D sin(3x)

To set up the appropriate form of a particular solution for the given differential equation, we need to first determine the type of the forcing function. The forcing function in this case is 5sinx + 5cos3x, which is a combination of sine and cosine functions with different frequencies. Therefore, the appropriate form of the particular solution would be a combination of sine and cosine functions with coefficients that need to be determined.
The general form of the particular solution can be written as:
yp = A cos(x) + B sin(x) + C cos(3x) + D sin(3x)
Here, A, B, C, and D are the coefficients that need to be determined using the method of undetermined coefficients or variation of parameters. We do not need to determine the values of these coefficients to set up the appropriate form of the particular solution.
Therefore, the correct option is:
D. Yp = A cos(x) + B sin(x) + C cos(3x) + D sin(3x)

To know more about coefficients.

https://brainly.com/question/30845099

#SPJ11

The appropriate form of a particular solution for a differential equation is the form of the solution that matches the form of the non-homogeneous term in the equation. In this case, the non-homogeneous term is 5sin(x) + 5cos(3x), which is a sum of trigonometric functions.

Therefore, the appropriate form of a particular solution would be a linear combination of trigonometric functions, as seen in options B and D. However, we cannot determine the values of the coefficients without further information. It is important to note that the choice of the appropriate form of a particular solution is crucial in finding the complete solution to a differential equation, as it allows us to separate the homogeneous and non-homogeneous parts and solve them separately.
To set up the appropriate form of a particular solution, yp, for the given differential equation y(4) + 10y'' + 9y = 5sinx + 5cos3x, you need to consider the terms on the right-hand side of the equation. Since the right-hand side contains sin(x) and cos(3x) terms, the particular solution should also include these trigonometric functions.

The appropriate form of a particular solution, yp, is: yp = A cos x + B sin x + C cos 3x + D sin 3x (option D). In this form, A, B, C, and D are coefficients to be determined later, and the solution contains the necessary trigonometric functions that match the right-hand side of the given differential equation.

Learn more about trigonometric functions here: brainly.com/question/31962064

#SPJ11

a health care provider claims that the mean overpayment on claims from an insurance company was 0. the insurance company is skeptical, believing that they were overcharged. they want to use sample data to substantiate their belief. a sample (audit) of 20 claims was collected, and a sample mean overpayment of $3 was calculated with a standard deviation of $10. suppose that we can tolerate a chance of 5% of rejecting the claim when it is true. what is the p-value for the test?

Answers

For a sample of adults related to overpayment, the p-value for t-test is equals to the 0.195542. As p-value> 0.05, so, null hypothesis can't be rejected. So, claim about mean overpayment is true.

There is a health care provider claims that about mean. The claim is that mean overpayment on claims from an insurance company was 0. Consider a sample data of adults substantiate their belief. Sample size, n = 20

Sample mean overpayment, [tex]\bar x[/tex] = $3

standard deviations, s = $10

level of significance= 0.05

To test the claim let's consider the null and alternative hypothesis as [tex]H_0 : \mu = 0 \\ H_a : \mu < 0 [/tex]

Now, using t-test for testing the above hypothesis, [tex]t = \frac{ \bar x - \mu}{\frac{s}{\sqrt{n}}}[/tex]

[tex]= \frac{ 3 - 0}{\frac{10}{\sqrt{20}}} [/tex]

= 1.3416407865

degree of freedom, df = 20 - 1 = 19

Now,using p-value calculator or t-distribution table, the value of p-value for t = 1.342 and degree of freedom 19 is equals to 0.195542. From Excel p-value formula is " = T.DIST(1.3416407865, 19)"

So, p-value = 0.195542 > 0.05, we fail to reject the null hypothesis. Hence, claim of insurance company is true.

For more information about p-value, refer:

https://brainly.com/question/14189134

#SPJ4

I need to solve this integral equation
ϕ(x)=(x2−x4)+λ∫1−1(x4+5x3y)ϕ(y)dy
Using the Fredholm theory of the intergalactic equations of second kind. I really don't understand the method. Can you please explain this to me so I can solve the other exercises??

Answers

The Fredholm theory of integral equations of the second kind is a powerful tool that allows us to solve certain types of integral equations. In particular, it allows us to reduce the problem of solving an integral equation to that of solving a linear system of equations.

To begin with, let's take a closer look at the integral equation you've been given:

ϕ(x)=(x2−x4)+λ∫1−1(x4+5x3y)ϕ(y)dy

This is a second kind integral equation because the unknown function ϕ appears both inside and outside the integral sign. In general, solving such an equation directly can be quite difficult. However, the Fredholm theory provides us with a systematic method for approaching this type of problem.

The first step is to rewrite the integral equation in a more convenient form. To do this, we'll introduce a new function K(x,y) called the kernel of the integral equation, defined by:

K(x,y) = x^4 + 5x^3y

Using this kernel, we can write the integral equation as:

ϕ(x) = (x^2 - x^4) + λ∫[-1,1]K(x,y)ϕ(y)dy

Now, we can apply the Fredholm theory by considering the operator T defined by:

(Tϕ)(x) = (x^2 - x^4) + λ∫[-1,1]K(x,y)ϕ(y)dy

In other words, T takes a function ϕ(x) and maps it to another function given by the right-hand side of the integral equation. Our goal is to find a solution ϕ(x) such that Tϕ = ϕ.

To apply the Fredholm theory, we need to show that T is a compact operator, which means that it maps a bounded set of functions to a set of functions that is relatively compact. In this case, we can show that T is compact by applying the Arzelà-Ascoli theorem.

Once we have established that T is a compact operator, we can use the Fredholm alternative to solve the integral equation. This states that either:

1. There exists a non-trivial solution ϕ(x) such that Tϕ = ϕ.

2. The equation Tϕ = ϕ has only the trivial solution ϕ(x) = 0.

In the first case, we can find the solution ϕ(x) by solving the linear system of equations:

(λI - T)ϕ = 0

where I is the identity operator. This system can be solved using standard techniques from linear algebra.

In the second case, we can conclude that there is no non-trivial solution to the integral equation.

So, to summarize, the Fredholm theory allows us to solve certain types of integral equations by reducing them to linear systems of equations. In the case of second kind integral equations, we can use the Fredholm alternative to determine whether a non-trivial solution exists. If it does, we can find it by solving the corresponding linear system.

To know more about Fredholm theory:

https://brainly.in/question/55766854

#SPJ11

Determine whether the function is a linear transformation. T: R2 - R2, T(x, y) = (x, 3) linear transformation not a linear transformation

Answers

The function T: R2 -> R2, T(x, y) = (x, 3) is not a linear transformation.

The function T: R2 -> R2, T(x, y) = (x, 3) is not a linear transformation because it does not satisfy the two properties of linearity:
1. T(cx, y) = cT(x, y) for any scalar c and any (x, y) in R2
2. T(x1+x2, y1+y2) = T(x1, y1) + T(x2, y2) for any (x1, y1), (x2, y2) in R2.

Specifically, the first property fails because if we let c=0, then T(cx, y) = T(0, y) = (0, 3), but cT(x, y) = 0T(x, y) = (0, 0), and these two values are not equal. Therefore, T(x, y) = (x, 3) is not a linear transformation.

Learn more about linear transformation:

https://brainly.com/question/30514241

#SPJ11

Prove the identity of each of the following Boolean equations, using algebraicmanipulation:Manipulation: (a) ABC + BCD + BC + CD = B + CD (b) WY + WYZ + WXZ + WXY = WY + WXZ + XYZ + XYZ (c) AD + AB + CD + BC = (A + B + C + D)(A + B + C + D)

Answers

a) The simplified left-hand side of the equation as B + CD + BD. Therefore, the equation is true. b) The simplified left-hand side of the equation as 2WY + WXZ + WYZ. Therefore, the equation is true. c) The left-hand side of the equation is also AD + AB + CD + BC, the equation is true.

(a) Using algebraic manipulation, we can simplify the left-hand side of the equation as follows:

ABC + BCD + BC + CD = BC(A + D) + CD(A + B)

= BC + CD (A + B + D)

Since B + CD = B(1 + D) + CD = B + CD + BD, we can rewrite the simplified left-hand side of the equation as B + CD + BD. Therefore, the equation is true.

(b) Similarly, we can simplify the left-hand side of the equation as follows:

WY + WYZ + WXZ + WXY = WY(1 + Z) + WX(Z + Y)

= WY + WXZ + WYZ + XYZ

Since WY + WXZ + XYZ = WY + WXZ + WY(1 + Z) = WY + WXZ + WY + WYZ = 2WY + WXZ + WYZ, we can rewrite the simplified left-hand side of the equation as 2WY + WXZ + WYZ. Therefore, the equation is true.

(c) Using algebraic manipulation, we can expand the right-hand side of the equation as follows:

(A + B + C + D)(A + B + C + D) = A2 + B2 + C2 + D2 + AB + AC + AD + BC + BD + CD

= AD + AB + CD + BC + A2 + B2 + C2 + D2 + AB + AC + BD

= AD + AB + CD + BC (A + B + C + D + A + B + C + D)

Since the left-hand side of the equation is also AD + AB + CD + BC, the equation is true.

Learn more about algebraic manipulation here:

https://brainly.com/question/12602543

#SPJ11

x=11+t , y=7tet. express in the form y=f(x) by eliminating the parameter. (use symbolic notation and fractions where needed.)

Answers

We simplify the expression to get y = 7x - 77. This is the equation in the form y = f(x) without the parameter t.

To eliminate the parameter t, we need to isolate t in one of the equations and substitute it into the other equation. Let's start by isolating t in the first equation:
x = 11 + t
t = x - 11

Now we can substitute this expression for t into the second equation:
y = 7t(x)
y = 7(x - 11)
y = 7x - 77

So the equation in the form y = f(x) without the parameter t is:
y = 7x - 77

This is the final answer.

Know more about expressions here:

https://brainly.com/question/1859113

#SPJ11

if n is a positive integer, then [3−5−90−12]n is ⎡⎣⎢⎢ ⎤⎦⎥⎥ (hint: diagonalize the matrix [3−5−90−12] first. note that your answers will be formulas that involves n. be careful with parentheses.)

Answers

If we diagonalize the matrix [3 -5; -9 0] as [6 -3; 0 -2] and raise it to the power of n, then [3 -5 -9 -12]n is given by the formula [6n(-3)n; 0 (-2)n].

The problem asks us to find a formula for the matrix [3 -5; -9 0]^n, where n is a positive integer. This formula involves powers of the eigenvalues and can be expressed using complex numbers in integers.

To do this, we first diagonalize the matrix by finding its eigenvalues and eigenvectors.

We obtain two eigenvalues λ1 = (3 + i√21)/2 and λ2 = (3 - i√21)/2, and corresponding eigenvectors v1 and v2.

Using these eigenvectors as columns, we form the matrix P, and the diagonal matrix D with the eigenvalues on the diagonal. We then have [3 -5; -9 0] = P D P^(-1). From here, we can raise this expression to the power n, which gives us [3 -5; -9 0]^n = P D^n P^(-1). Since D is diagonal, we can easily compute D^n as a diagonal matrix with the nth powers of the eigenvalues on the diagonal.

Finally, we can substitute all the matrices and simplify to get the formula for [3 -5; -9 0]^n as a function of n. This formula involves powers of the eigenvalues and can be expressed using complex numbers in integers.

To learn more about “integer” refer to the https://brainly.com/question/929808

#SPJ11

Considering the importance of schemata in the reading process, students could be assisted in their preparation for a reading by
Select one:
a. providing them easier material
b. asking students to monitor their comprehension
c. previewing important vocabulary
d. presenting students the important concepts and vocabulary in the lesson and attempting to relate that information to students background knowledge

Answers

The best way to assist students in their preparation for reading is by presenting them with the important concepts and vocabulary in the lesson and attempting to relate that information to their background knowledge.

This approach helps students activate their schemata, which are the mental structures that allow them to make sense of new information. Additionally, it is important to preview important vocabulary, which helps students understand the meaning of unfamiliar words in the text. Finally, asking students to monitor their comprehension as they read is also helpful in ensuring they are understanding and retaining the information. Providing easier material may not challenge students enough, which could hinder their ability to develop their schemata.

Learn more about schemata here:

https://brainly.com/question/30421325

#SPJ11

given two nonnegative numbers x and y such that x y=7, what is the difference between the maximum and minimum of the quantity x2y249?

Answers

The difference between the maximum and minimum of (x²y²)/49 is 1, if x and y are two non negative numbers and x/y = 7.

We are given x/y = 7. So, we can write x as 7y.

Now, we need to find the difference between the maximum and minimum of (x²y²)/49.

(x²y²)/49 = [(7y)²*y²]/49 = (49y⁴)/49 = y⁴.

As y is non-negative, the minimum value of y is 0. Therefore, the minimum value of y⁴ is also 0.

To find the maximum value of y⁴, we use the fact that x/y = 7. So, x = 7y.

Therefore, (x²y²)/49 = [(7y)²*y²]/49 = (49y⁴)/49 = y⁴.

As x and y are non-negative, the maximum value of y⁴ occurs when x and y are as large as possible subject to x/y = 7. This occurs when x = 7y and y is as large as possible, which means y = 1.

Therefore, the maximum value of y⁴ is 1⁴ = 1.

So, the difference between the maximum and minimum of

(x²y²)/49 = 1 - 0 = 1.

To learn more about non negative : https://brainly.com/question/24368848

#SPJ11

ds dt = 12t (3t^2 - 1)^3 , s(1) = 3

Answers

One solution is t ≈ 0.4515, which corresponds to s ≈ 4.2496.

To solve this differential equation, we can use separation of variables:

ds/dt = 12t(3t^2 - 1)^3

ds/(3t(3t^2 - 1)^3) = 4dt

Integrating both sides:

∫ds/(3t(3t^2 - 1)^3) = ∫4dt

Using substitution, let u = 3t^2 - 1, du/dt = 6t

Then, we can rewrite the left-hand side as:

∫ds/(3t(3t^2 - 1)^3) = ∫du/(2u^3)

= -1/(u^2) + C1

Substituting back in u = 3t^2 - 1:

-1/(3t^2 - 1)^2 + C1 = 4t + C2

Using the initial condition s(1) = 3, we can solve for C2:

-1/(3(1)^2 - 1)^2 + C1 = 4(1) + C2

C2 = 2 - 1/16 + C1

Substituting C2 back into the equation, we get:

-1/(3t^2 - 1)^2 + C1 = 4t + 2 - 1/16 + C1

Simplifying:

-1/(3t^2 - 1)^2 = 4t + 2 - 1/16

Multiplying both sides by -(3t^2 - 1)^2:

1 = -(4t + 2 - 1/16)(3t^2 - 1)^2

Expanding and simplifying:

49t^6 - 48t^4 + 12t^2 - 1 = 0

This is a sixth-degree polynomial, which can be solved using numerical methods or approximations. One solution is t ≈ 0.4515, which corresponds to s ≈ 4.2496.

Learn more about solution here:

https://brainly.com/question/15757469

#SPJ11

Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic expressions. Give the exact answer log3(x + 21)-log3(x-5)=3 Rewrite the given equation without logarithms. Do not solve for x Solve the equation. Select the correct choice below and,i necessary, illin the answer box to complete your choice A. The solution set is (Simplify your answer. Use a comma to separate answers as needed.) O B. There are infinitely many solutions There is no solution. Click to select your answers) 207 PM

Answers

The solution set for the logarithmic equation log3(x + 21)-log3(x-5)=3 is x=9.

To solve the logarithmic equation log3(x + 21)-log3(x-5)=3, we can use the quotient rule of logarithms to rewrite the equation as log3[(x + 21)/(x-5)]=3. We know that the domain of a logarithmic function is only valid for positive values inside the parenthesis. Therefore, we must reject any value of x that makes the denominator (x-5) equal to 0. So, x cannot be equal to 5.

Next, we can rewrite the equation without logarithms as 3=3 log3[(x + 21)/(x-5)]. Using the property that a log a(x)=x, we can simplify the equation as 3=(x + 21)/(x-5)³. Multiplying both sides by (x-5)³, we get 3(x-5)³ = x+21.

Expanding the left side of the equation and simplifying, we get 3x³ - 72x² + 498x - 1089 = 0. We can then solve for x using synthetic division or long division, which gives us the solution x=9.

However, we must check if x=9 is a valid solution by plugging it back into the original equation. Since log3(9+21) = log3(30) and log3(9-5) = log3(4), we can simplify the original equation as log3(30/4) = log3(15/2) = 3. Therefore, x=9 is a valid solution.

You can learn more about logarithmic equations at: brainly.com/question/29197804

#SPJ11

The function f(x) =501170(0. 98)^x gives the population of a Texas city `x` years after 1995. What was the population in 1985? (the initial population for this situation)

Answers

The function f(x) = 501170(0. 98)^x gives the population of a Texas city `x` years after 1995.

What was the population in 1985? (the initial population for this situation)\

Solution:Given,The function f(x) = 501170(0.98)^xgives the population of a Texas city `x` years after 1995.To find,The population in 1985 (the initial population for this situation).We know that 1985 is 10 years before 1995.

So to find the population in 1985,

we need to substitute x = -10 in the given function.Now,f(x) = 501170(0.98) ^xPutting x = -10,f(-10) = 501170(0.98)^(-10)f(-10) = 501170/0.98^10f(-10) = 501170/2.1589×10^6

Therefore, the population in 1985 (the initial population) was approximately 232 people.

To know more about initial Visit:

https://brainly.com/question/32209767

#SPJ11

Give a recursive definition for the set of all strings of a’s and b’s where all the strings contain exactly two a's and they must be consecutive. (Assume, S is set of all strings of a’s and b’s where all the strings contain exactly two consecutive a's. Then S = {aa, aab, baa, aabb, baab, baab, bbaa, aabbb, baabb, ...} ).

Answers

Answer: Using these three rules, we can generate any string in S recursively. For example, starting with "aa", we can apply rule 2 to generate "aab", then apply rule 2 again to generate "aabb", and so on.

Step-by-step explanation:

Let S be the set of all strings of a's and b's where all the strings contain exactly two consecutive a's.

The recursive definition of S is as follows:

The string "aa" is in S.

For any string s in S, the string "asb" is in S, where 's' represents any string in S.

No other strings are in S.

Explanation:

The first rule ensures that the set S contains at least one string, "aa", that satisfies the given conditions.

The second rule specifies that for any string s in S, the string "asb" is also in S, where 's' represents any string in S. This means that if we have a string in S, we can always generate a new string in S by adding an 'a' immediately before the first 'b' in s.

The resulting string will still contain exactly two consecutive 'a's and will still consist only of 'a's and 'b's.

The third rule specifies that no other strings are in S. This ensures that the set S only contains strings that satisfy the given conditions, namely that they contain exactly two consecutive 'a's and consist only of 'a's and 'b's.

To Know more about recursively refer here

https://brainly.com/question/30027987#

#SPJ11

What is the value of x given the following image?

Answers

The angle we are given, as a whole, is a right angle. That means angles CDF and FDE are complementary, or add up to 90 degrees.

CDF + FDE = 90

2x + (x + 9) = 90

3x + 9 = 90

3x = 81

x = 27

Answer: x = 27

Hope this helps!

Can someone paraphrase what she is asking?

Answers

Answer: Have you ever been really scared of something that doesn't usually happen? What were you scared of, and why?

Step-by-step explanation:

Answer:

Step-by-step explanation:

Have you ever been afraid of something that would probably never happen?

Mathematically-probability is a part of math.

EX.

Maybe afraid of getting thousands of spider bites at school.   It's improbable(not likely to happen, the probability is very low), because there probably aren't thousands of spiders at your school.

Or

Maybe you live in alaska and your afraid of getting a snake near you.  But snakes would probably not live in alaska so it's unlikely you'll encounter one.

An apartment building casts a shadow that is 40 feet long at the same time one of the tenants casts a shadow 8 feet long. If the tenant is 5.5 feet tall, how tall is the apartment building?

Answers

The height of the apartment building is 27.5 feet.An apartment building has a height of 27.5 feet.

Given that an apartment building casts a shadow that is 40 feet long, and one of the tenants casts a shadow 8 feet long.The tenant is 5.5 feet tall.Find out how tall the apartment building is.To get the height of the apartment building, we need to find out the ratio of the height of the building to its shadow length.Let's assume that the height of the apartment building is h feet.Therefore, the ratio of the height of the building to its shadow length will be h/40.Let's assume that the height of the tenant is t feet.Therefore, the ratio of the height of the tenant to its shadow length will be t/8.We have the height of the tenant, which is 5.5 feet. Therefore,

t/8 = 5.5/8t = 5.5 * 8/8t = 5.5 feet

Now, we need to find the height of the apartment building.

To do so, we will cross-multiply the ratio of the building and its shadow length with the height of the tenant.

h/40 = t/8

On substituting the values, we geth/40 = 5.5/8

Multiplying both sides by 40, we get h = 40 * 5.5/8h = 27.5 feet

Therefore, the height of the apartment building is 27.5 feet.An apartment building has a height of 27.5 feet.

To know more about apartment building visit:

https://brainly.com/question/30035108

#SPJ11

A simple random sample of 36 cans of regular Coke has a mean volume of 12.19 ounces. Assume that the standard deviation of all cans of regular Coke is 0.11 ounces. Use a 0.01 significance level to test the claim that cans of regular Coke have volumes with a mean of 12 ounces, as stated on the label.
a) State the hypotheses.
b) State the test statistic.
c) State the p-value.
d) State your decision.
e) State your conclusion.

Answers

(a) The Null-Hypotheses is H₀ : μ = 12, Alternate-Hypotheses is Hₐ : μ ≠ 12.

(b) The "test-statistic" is 10.36,

(c) The "p-value" is 0.0001,

(d) We make a decision to reject the "Null-Hypothesis",

(e) We conclude that the cans of "regular-Coke" have volumes with mean different from 12 ounces.

Part (a) : The "Null-Hypothesis" is that the mean volume of cans of regular Coke is 12 ounces, as stated on the label. The alternative-hypothesis is that the mean volume is different from 12 ounces.

So, H₀ : μ = 12

Hₐ : μ ≠ 12.

Part (b) : The "test-statistic" for a one-sample t-test is calculated as:

t = (x' - μ)/(s / √n),

where "s" = sample standard-deviation, μ = population mean, x' = sample mean, and n = sample size,

In this case, x' = 12.19, μ = 12, s = 0.11, and n = 36.

So, t = (12.19 - 12)/(0.11/√36) = 10.36,

Part (c) : We know that for "significance-level" of 0.01. The p-value is 0.0001.

Part (d) : Since the p-value is less than the significance-level of 0.01, we reject the null hypothesis.

Part (e) : Based on the results of the hypothesis test, we can conclude that there is sufficient evidence to suggest that cans of regular-Coke have volumes with a mean different from 12 ounces.

Learn more about Hypotheses here

https://brainly.com/question/24224582

#SPJ4

1 divided by 8 in long division

Answers

Answer: 1 divided by 8 = 1/8 = 0.125

Step-by-step explanation:

Answer:0.125

Step-by-step explanation:

Find the taylor polynomial t3(x) for the function f centered at the number a. f(x) = xe−7x, a = 0

Answers

Answer:

To find the Taylor polynomial t3(x) for the function f(x) = xe^(-7x) centered at the number a = 0, we will use the formula for the nth-degree Taylor polynomial:

t_n(x) = f(a) + f'(a)(x-a) + f''(a)(x-a)^2/2! + ... + f^n(a)(x-a)^n/n!

First, let's find the first few derivatives of f(x):

f(x) = xe^(-7x)

f'(x) = e^(-7x) - 7xe^(-7x)

f''(x) = 49xe^(-7x) - 14e^(-7x)

f'''(x) = -343xe^(-7x) + 147e^(-7x)

Next, let's evaluate these derivatives at a = 0:

f(0) = 0

f'(0) = 1

f''(0) = -14

f'''(0) = 147

Now we can substitute these values into the formula for t3(x):

t3(x) = f(0) + f'(0)x + f''(0)x^2/2! + f'''(0)x^3/3!

t3(x) = 0 + 1x - 14x^2/2 + 147x^3/6

t3(x) = x - 7x^2 + 49/2 x^3

Therefore, the third-degree Taylor polynomial for f(x) centered at a = 0 is t3(x) = x - 7x^2 + 49/2 x^3.

To know more about Taylor polynomial refer here

https://brainly.com/question/31419648#

#SPJ11

solve the solution on the interval 0< theta < 2pi 2cos^2theta = 1

Answers

The solutions on the given interval 0 < θ < 2π are θ = π/4 and θ = 7π/4.

The given equation is 2cos^2θ = 1.

Simplifying the equation, we get:

cos^2θ = 1/2

Taking the square root on both sides, we get:

cosθ = ±1/√2

Now, we know that cosθ is positive in the first and fourth quadrants. Hence,

cosθ = 1/√2 in the first quadrant (0 < θ < π/2)

cosθ = -1/√2 in the fourth quadrant (3π/2 < θ < 2π)

Therefore, the solutions on the given interval 0 < θ < 2π are:

θ = π/4 and θ = 7π/4

Learn more about interval here

https://brainly.com/question/29576113

#SPJ11

Consider the differential equation
dy / dt = (y − 1)(1 − t2)
Suppose you wish to use Euler's method to approximate the solution satisfying a particular initial condition: y(0) = y0 = 0.8.
If Δt = 0.7, compute y1 and y2. Enter the exact decimal value of y2.

Answers

Using Euler's method with Δt = 0.7, the approximate values for y1 and y2 are 0.556 and 0.340, respectively.

What are the approximate values of y1 and y2?

To approximate the values of y1 and y2 using Euler's method, we start with the initial condition y(0) = 0.8 and use the given differential equation dy/dt = (y - 1)(1 - t^2) with a step size of Δt = 0.7.

Approximate y1:

Using Euler's method, we compute y1 as follows:

y1 = y0 + Δt * (y0 - 1) * (1 - t0^2) = 0.8 + 0.7 * (0.8 - 1) * (1 - 0^2) = 0.556

Approximate y2:

Using Euler's method again, we calculate y2 as follows:

y2 = y1 + Δt * (y1 - 1) * (1 - t1^2) = 0.556 + 0.7 * (0.556 - 1) * (1 - 0.7^2) = 0.340

Therefore, the approximate value of y2 is 0.340.

Learn more about Euler's method

brainly.com/question/30699690

#SPJ11

a differentiable function f(x,y) has partial derivatives fx(1,1) = 2 −2√2 and fy(1,1) = −2. then the directional derivative at (1,1) in the direction i j equals

Answers

The directional derivative of f at (1,1) in the direction of i+j is -2√2. To find the directional derivative at (1,1) in the direction of i+j.

We need to first find the unit vector in the direction of i+j, which is:
u = (1/√2)i + (1/√2)j
Then, we can use the formula for the directional derivative:
Duf(1,1) = ∇f(1,1) ⋅ u
where ∇f(1,1) is the gradient vector of f at (1,1), which is:
∇f(1,1) = fx(1,1)i + fy(1,1)j
Substituting the given partial derivatives, we get:
∇f(1,1) = (2-2√2)i - 2j
Finally, we can compute the directional derivative:
Duf(1,1) = (∇f(1,1) ⋅ u) = ((2-2√2)i - 2j) ⋅ ((1/√2)i + (1/√2)j)
         = (2-2√2)(1/√2) - 2(1/√2)
         = (√2 - √8) - √2
         = -√8
         = -2√2
Therefore, the directional derivative of f at (1,1) in the direction of i+j is -2√2.

To know more about directional derivative visit:

https://brainly.com/question/30365299

#SPJ11

Help me fast!! This is due!!

Answers

The missing length in the given figure is 10 ft

In the figure there are two rectangle.

We have to find the missing length of the rectangle

The length of one rectangle is 16 ft.

The other length of rectangle is splitted to two parts

One length has 6 ft then the other length is 10 ft

Hence, the missing length in the given figure is 10 ft

To learn more on Area click:

https://brainly.com/question/20693059

#SPJ1

1aThere are approximately one billion smartphone users in the world today. In the United States, the ages of smartphone users between 13 to 55 approximately follow a normal distribution with approximate mean and standard deviation of 37 years and 8 years, respectively.Using the 68-95-99.7 Rule, what percent of smartphone users are greater than 53 years old?
bThere are approximately one billion smartphone users in the world today. In the United States, the ages of smartphone users between 13 to 55 approximately follow a normal distribution with approximate mean and standard deviation of 37 years and 8 years, respectively. Using the 68-95-99.7 Rule, what percent of smartphone users are between 29 and 53 years old?

Answers

a)  The required answer is 2.5% of smartphone users are greater than 53 years old.

To find the percentage of smartphone users greater than 53 years old, we can use the 68-95-99.7 Rule, which refers to the empirical rule for normal distributions. The given mean is 37 years, and the standard deviation is 8 years.

Step 1: Calculate the z-score for 53 years old.
z = (53 - 37) / 8 = 2

A z-score of 2 means the age of 53 is 2 standard deviations above the mean. According to the 68-95-99.7 Rule, approximately 95% of the data falls within 2 standard deviations of the mean (above and below).

The sample mean error is the deviation of the set of means an infinite number of repeated samples from the population.

We are known as mean in mathematics especially in statistics. Its location covered mean median and mode,

Generally means include power mean and f- mean, the function of a mean and angles and cyclical quantities.      


Step 2: Calculate the percentage of users greater than 53 years old.
Since 95% of users are within 2 standard deviations (both above and below), this means that the remaining 5% of users are either below 2 standard deviations (younger than 29 years) or above 2 standard deviations (older than 53 years). As the data is symmetric, we can divide 5% by 2 to get the percentage of users older than 53 years old.z

Answer: 5% / 2 = 2.5% of smartphone users are greater than 53 years old.

b)  The required answer is 95% of smartphone users are between 29 and 53 years old.

To find the percentage of smartphone users between 29 and 53 years old, we know that both ages are 2 standard deviations from the mean (one below and one above).

A measure of the amount of variation or dispersion of a set of values are called standard deviation.

standard deviation  indicates the value is tend to be close to the mean.

Its deviation of a population or sample and a statics are quite different but relate.

The sample mean error is the deviation of the set of means an infinite number of repeated samples from the population.

We are known as mean in mathematics especially in statistics. Its location covered mean median and mode,

Generally means include power mean and f- mean, the function of a mean and angles and cyclical quantities. There are three types of mean is Arithmetic mean ,  Geometric mean and Harmonic mean. The arithmetic mean of a list of numbers. The Geometric mean is an average and useful for sets of positive number. The Harmonic mean is an average is useful for set of numbers.

   

According to the 68-95-99.7 Rule, 95% of the data falls within 2 standard deviations of the mean (above and below).

Therefore, approximately 95% of smartphone users are between 29 and 53 years old.

To known more about standard deviations. click on the link.

https://brainly.com/question/23907081

#SPJ11

Use the Binomial Theorem to expand (c-11)^4

c^4 – 44c^3 + 726c^2 – 5324c + 14641


11c^4 + 44c3 + 726c^2 + 5324c + 14641c


C.c^4 + 44c^3 + 726c^2 + 5324c + 14641


D.c^4 + 44c^3 + 726c^2 + 5324c + 14641

Answers

Answer: b

Step-by-step explanation: if I’m smart enough then this answer is right

The base of a solid is the circle x2 + y2 = 25. Find the volume of the solid given that the cross sections perpendicular to the x-axis are squares. a) 2012 3 2000 b) 3 1997 3 2006 3 2006 2009 e) 2009 3

Answers

To find the volume of the solid, we need to integrate the area of the square cross-sections perpendicular to the x-axis over the length of the base. The correct answer is option e) 2009 3.

To find the volume of the solid, we need to integrate the area of the square cross-sections perpendicular to the x-axis over the length of the base. Since the cross-sections are squares, their areas are given by the square of their side lengths, which are equal to the corresponding y-coordinates of the points on the circle x2 + y2 = 25. Therefore, the area of each cross-section is (2y)2 = 4y2, and the volume of the solid is given by the integral:

V = ∫-5^5 4y2 dx

Since the base is symmetric about the y-axis, we can compute the volume of the solid in terms of the integral of 4y2 over the interval [0, 5] and multiply by 2. Thus,

V = 2 ∫0^5 4y2 dx

= 2 [4y3/3]0^5

= 2 (4(125/3))

= 2009 3

Therefore, the volume of the solid is 2009 3, and the correct answer is e) 2009 3.

Learn more about perpendicular here:

https://brainly.com/question/29268451

#SPJ11

Si lanzo 16 monedas al mismo tiempo ¿cual es la probabilidad de obtener 4 sellos?

Answers

The probability of getting exactly 4 tails when tossing 16 coins simultaneously is approximately 0.385 or 38.5%.

How to calculate the probability

In order to calculate the probability of getting a specific number of tails when tossing multiple coins, we can use the binomial probability formula.

In this case, you want to calculate the probability of getting 4 tails out of 16 coins. Plugging the values into the formula:

P(X = 4) = (¹⁶C₄) * (0.5₄) * (0.5¹²))

Calculating the values:

P(X = 4) = (16! / (4! * (16-4)!)) * (0.5⁴) * (0.5¹²)

= (16! / (4! * 12!)) * (0.5⁴) * (0.5¹²)

= (16 * 15 * 14 * 13) / (4 * 3 * 2 * 1) * (0.5⁴) * (0.5¹²)

≈ 0.385

Therefore, the probability of getting exactly 4 tails when tossing 16 coins simultaneously is approximately 0.385 or 38.5%.

Learn more about probability on

https://brainly.com/question/24756209

#SPJ1

If I toss 16 coins at the same time, what is the probability of getting 4 tails?

Which graph shows the zeros of the function f(x)=2x2+4x−6 f ( x ) = 2 x 2 + 4 x − 6 correctly?

Answers

To find the zeros of the function f(x) = 2x^2 + 4x - 6, we need to solve for x when f(x) = 0. We can do this by factoring the quadratic expression or by using the quadratic formula. Once we find the zeros, we can plot them on a graph to show where the function intersects the x-axis.

Factoring method:

f(x) = 2x^2 + 4x - 6

f(x) = 2(x^2 + 2x - 3)

f(x) = 2(x + 3)(x - 1)

The zeros of the function are x = -3 and x = 1.

Using the quadratic formula:

The quadratic formula is:

x = (-b ± sqrt(b^2 - 4ac)) / 2a

where a, b, and c are the coefficients of the quadratic expression ax^2 + bx + c.

For the function f(x) = 2x^2 + 4x - 6, we have:

a = 2, b = 4, c = -6

x = (-4 ± sqrt(4^2 - 4(2)(-6))) / 2(2)

x = (-4 ± sqrt(64)) / 4

x = (-4 ± 8) / 4

x = -3, 1

The zeros of the function are x = -3 and x = 1.

The graph that correctly shows the zeros of the function f(x) = 2x^2 + 4x - 6 is a graph with x-axis labeled with -3 and 1, and the curve of the function intersecting the x-axis at those points. This can be represented by a graph that looks like an inverted U-shape with the x-axis being intersected at x = -3 and x = 1.

Other Questions
alculate the osmotic pressure of a solution that contains 0.110 mol ethanol in 0.100 l at 294 k. Find C(x) if C'(x) = 5x^2 - 7x + 4 and C(6) = 260. A) C(x) = 5/3 x^3 - 7/2 x^2 + 4x + 260 B) C(x) = 5/3 x^3 - 7/2 x^2 + 4x - 260 C) C(x) = 5/3 x^3 - 7/2 x^2 + 4x - 2 D) C(x) = 5/3 x^3 - 7/2 x^2 + 4x + 2 What pressure is required to reduce 75 mL ofa gas at standard conditions to 19 mL at atemperature of 26C? Why Did the Flying Saucer Have "U. F. O. " Printed On It?For each exercise, plot the three given points, then draw a line through them. The line, if extended,will cross a letter outside the grid. Write this letter in each box containing the exercise number. om1. (4, 5) (-2, -1) (0, 1)2. (-4, 3) (2, -1) (5, -3)3. (3, 0) (5, -6) (2, 3)4. (-5, 2) (-2, 3) (1, 4)5. (0, -2) (-5, -5) (5, 1)6. (3, 0) (5, -6) (2, 3)WM7. (-1, -2) (-7, -6) (8,4)8. (-3, 6) (0, 0) (3, -6)9. (2, -2) (-4, 0) (5, -3)10. (0, -6) (4, 6) (2, 0)11. (-3,5) (0, 3) (-6, 7)12. (-2,-5) (-7, -5) (8,-5)PUNCHLINE Bridge to Algebra2001, 2002 Marcy Mathworks 122 Functions and Linear Equations and Inequalities:The Coordinate Plane Introduce the concept of DBMS to the board of directors and outline the benefits Elmax Africa can derive from its investments in, and use of the proposed DBMS. Use practical examples to support your points Searching for counterexamples is a central component of: The Socratic method The method of reflective equilibrium Both (a) and (b). None of the above. please help me thank youu x what is the groundwater elevation (in ft) in 1970 in madera? You ask whether Jessie has had a blood test to look at her lipid profile recently, and she indicates that she has not had a full physical or bloodwork since she was discharged from the hospital five years ago.Which blood measurement would be the most helpful in furthering this investigation?Note: This question will not be graded as long as you answer it.arterial blood pHcommon electrolytescommon lipidslactate and pyruvateoxygen and carbon dioxidetotal ammonia help you to display live data from the table. how much energy (in j) is produced when 0.062 g of matter is converted to energy? 1. What were Jim Crow laws? Your response should also describe at least two effects Jim Crow lawshad on the rights of Black Americans. (4 points) If Joy, Irene, and Wendy all take 2. 0 h to walk from their house to their school at a rate of 1. 0 m/s, how far is their school from the house? (first, convert 2hrs to minutes before you follow the gresa method) schlumberger is selling for per share and paid a dividend of last year. the dividend is expected to grow at percent indefinitely. what is the stock's expected rate of return? provide the required statement to complete the sqrrootuserinterface function. function square root = sq root userinterface( ) In certain town, when you get to the light at college street and main street, its either red, green, or yellow. we know p(green)=0.35 and p(yellow) = is about 0.4 A compound is decomposed in the laboratory and produces 5. 60 g N and 0. 40 g H. What is the empirical formula of the compound? Is d-2-deoxygalactose the same chemical as d-2-deoxyglucose. the consumer has an income of $24 per week. the price of a hamburger is $2 and the price of a milkshake is $1. how many milkshakes and hamburgers will he buy each week if he maximizes utility? Greenhouse gases are certain gases in the atmosphere that absorbs heat from the sun. Wich of the following is NOT a grenhouse gas?