The exact length of the given curve is 62/3
We can calculate the above answer by following the steps given below,
We have been given the following values,
x = 1/3 √y (y - 3), 4 ≤ y ≤ 16
The curve is of the length, x = f(y) from y =a to y = b is given by:
x = 1/3 √y (y - 3)
x = 1/3 (- 3)
dx/dy = 1/3 [(3/2)- (3/2)]
= 1/3 [(3/2) - (3/2)]
= 1/2 [ - 1/]
= (y-1)/2√y = f'(y)
Now we will calculate the length of the curve
= [tex]\int\limits^a_b {\sqrt{1+f'(y)^{2} } } \, dy[/tex]
= [tex]\int\limits^a_b{\sqrt{1+ (\frac{y-1}{2\sqrt{y} } )^2} } \, dy[/tex] (here a= 4, b=16)
= [tex]\int\limits^{16} _4 {\sqrt{1+ (\frac{y^2+2y-1}{4y} } )^} } \, dy[/tex]
= [tex]\int\limits^{16} _4 {\sqrt{\frac{4y+ y^2+ 2y-1}{4y} } } \, dy[/tex]
= [tex]\int\limits^{16}_4 {\frac{y+1}{2\sqrt{y} } } \, dy[/tex]
= [tex]\int\limits^{16}_4 {\frac{1}{2}\sqrt{y} } \, dy+ \int\limits^{16}_4 {\frac{1}{2\sqrt{y} } } \, dy[/tex]
= [1/3 (64-8)] +[4-2]
= (56/3)+2
= 62/3
Therefore the exact length of the curve that we get after solving the equation for curve is x = 1/3, 4 ≤ y ≤ 16, is 62/3.
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Can someone verify this?
The diagram that shows the C intercept D would be = diagram B. That is option B.
What is a universal set?A universal set is defined as the set that contains all the values that makes up a data.
The universal set contains the following:
A = ( yellow corn)
B = ( yellow corn with variety kernel)
C = ( white corn)
D= ( white corn with variety butter and sugar).
The C intercept means the contents that are in C that can be found in D. The diagram that represents this form is diagram B.
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PLEASE HELP ASAP WILL GIVE BRAINLIEST
Which linear graph represents a proportional relationship?
If a quantity increases or decreases as per the increase or decrease in other quantity, the two quantities are said to be in a proportional relationship.
And here, the graph representing the proportional relationship is the one with positive slope (2nd graph)
Suppose that the number of hours that it takes for a student to finish an inquiry has density
f(x) =
{ 2/5(x + 1) if 1 < x < 2
{ 0 otherwise.
a) Find the probability that the student finishes the inquiry in less than 1.5 hours.
b) Find the mean and standard deviation of the number of hours it takes to finish the inquiry.
The probability that the student finishes the inquiry in less than 1.5 hours is 0.45.
Mean= 4/3 and standard deviation= √(11/90)
a) To find the probability that the student finishes the inquiry in less than 1.5 hours, we need to find the area under the probability density function (PDF) of f(x) between the lower limit of 1 and the upper limit of 1.5.
This is given by the definite integral of f(x) from 1 to 1.5:
∫f(x)dx from 1 to 1.5
= ∫(2/5(x + 1))dx from 1 to 1.5
= (2/5)∫(x + 1)dx from 1 to 1.5
= (2/5)[x^2/2 + x] from 1 to 1.5
= (2/5)[(1.5)^2/2 + 1.5 - (1)^2/2 - 1]
= (2/5)[2.25/2 + 1.5 - 1/2 - 1]
=(2/5)[2.25/2]
=0.45
b) To find the mean, we need to use the formula:
Mean = ∫x*f(x)dx from a to b
In this case:
Mean = ∫x*(2/5(x + 1))dx from 1 to 2
= (2/5)∫x(x + 1)dx from 1 to 2
= (2/5)[x^3/3 + x^2/2] from 1 to 2
=(2/5)[(2)^3/3 + (2)^2/2 - (1)^3/3 - (1)^2/2]
= (2/5)[8/3 + 4/2 - 1/3 - 1/2]
=(2/5)[7/3 + 3/2]
=(2/5)[(20)/6]
=4/3
=1.333
To find the standard deviation, we need to use the formula:
Standard deviation^2 =(∫(x-μ)^2*f(x)dx) from a to b
Where μ is the mean
In this case,
Standard Deviation ^2= ∫(x-μ)^2(2/5)(x+1) dx from 1 to 2
=(2/5)∫(x-μ)^2(x+1) dx from 1 to 2
Simplifying, we get,
(x-μ)^3*(3x+μ+4)/30 from 1 to 2
=[(2-μ)^3*(6+μ+4)-(1-μ)^3*(3+μ+4)]/30
=[(2-μ)^3*(10+μ)-(1-μ)^3*(7+μ)]/30
Substituting the value of μ,
=[(2-4/3)^3*(10+4/3)-(1-4/3)^3*(7+4/3)]/30
=11/90
Therefore, Standard Deviation= √(11/90)
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Solve 6x - 7y= 18 for y
To solve the equation 6x - 7y = 18 for y, you can start by isolating y on one side of the equation. To do this, you can add 7y to both sides of the equation:
6x - 7y + 7y = 18 + 7y
6x = 18 + 7y
Next, divide both sides of the equation by 7:
6x/7 = 18/7 + 7y/7
x = 3 + y
So the solution is y = 3 - x
This is the final solution for y in the equation 6x - 7y = 18
What number must be multiplied to the vector <-4,2,-3> so it is normalized
A. [tex]\frac{1}{\sqrt{29} }[/tex]
B. -[tex]-\sqrt{29}[/tex]
C. [tex]-\frac{1}{\sqrt{29} }[/tex]
D. [tex]\sqrt{29}[/tex]
Fill the boxes with appropriate denominator /numerator
Answer:
the first box is 3 and the second box is 25
Step-by-step explanation:
Answer: Box 1: 3 Box 2: 25
Step-by-step explanation:
Box 1:
Since the top is divided by 3, you have to do the same to the bottom
9 / 3 = 3
Box 2:
The bottom is multiplied by 1 ⅔, so you do the same to the bottom
1 ⅔ x 15 = 25
find the length of the curve. r(t) = 6t i + 8t3/2 j + 6t2 k, 0 ≤ t ≤ 1
The length of the curve is given by the integral of the magnitude of the velocity vector, which is the derivative of the position vector. Taking the derivative of the position vector, we get the velocity vector as follows:
v(t) = 6i + 24t1/2j + 12tk
The magnitude of this vector is
√(6²+ 24²t + 12²t²)
= √(36 + 576t + 144t²).
To find the length of the curve, we need to integrate this magnitude from t=0 to t=1. This is given by the integral:
L = ∫0² √(36 + 576t + 144t²)dt
This evaluates to L = 18.75. Therefore, the length of the curve is 18.75.
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WILL MARK BRAINLIEST! please help with easy geometry problem
Answer:
10
Step-by-step explanation:
180-140=20
20÷2=10
×=10
y=10
Tim wants to use tape to cover the outside of this bookshelf. It has three horizontal lengths, each 323 feet, and two vertical lengths each 258 feet. What is the total amount of tape necessary to cover the outside of these shelves? Responses
The total amount of wood to build the shelves will be;
⇒ 17[tex]\frac{1}{4}[/tex] feet
What is mean by Fraction?A fraction is a piece of a whole number and a technique to divide a number into pieces that are each the same.
Or, a fraction is a number that is stated as a quotient.
It can be written as the form of p : q, which is equivalent to p / q.
Given that;
To build the bookshelf, Tim want the three horizontal length of each length 3[tex]\frac{2}{3}[/tex] feet and two vertical length with each length 2[tex]\frac{5}{8}[/tex] feet.
Now, Find the total lengths for the amount of wood as;
The length of each horizontal = 3[tex]\frac{2}{3}[/tex] feet
And, The vertical length = 2[tex]\frac{5}{8}[/tex] feet
So, Total horizontal length = 3 × 3[tex]\frac{2}{3}[/tex]
= 3 x 11/3
= 11 feet.
And, Vertical length = 2 × 2[tex]\frac{5}{8}[/tex] feet.
= 2 × 21/8
= 5[tex]\frac{1}{4}[/tex] feet
Thus, Total length of wood = 11 + 21/4 feet
= ( 44 + 21 ) / 4
= 69 / 4 feet
= 17[tex]\frac{1}{4}[/tex] feet
Therefore,
The total amount of wood to build the shelves will be;
⇒ 17[tex]\frac{1}{4}[/tex] feet
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Which is the rate of change for the interval between –6 and –3 on the x-axis?
The rate of change for the interval between –6 and –3 on the x-axis is; 2
How to find the rate of change of the graph?To find the rate of change for the interval between –6 and –3 on the x-axis, the first step is to locate the ordered pairs at those two points. Locating the two ordered pairs from the graph is seen to be (3, -2) and (6, 4).
Applying the slope formula with those two points, we can find the rate of change as;
slope; m = (y₂ - y₁)/(x₂ - x₁)
m = (4 + 2)/(6 - 3)
m = 6/3
m = 2
This value of m represents the rate of change
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Solve the following inequality algebraically.
x + 2 >\ 13
X+2 is greater than 13
Answer:
[tex]x > 11[/tex]
Step-by-step explanation:
Greetings!!
Given equation
[tex]x + 2 > 13[/tex]
subtract 2 from both sides
[tex]x + 2 - 2 > 13 - 2[/tex]
simplify
[tex]x > 11[/tex]
[tex]solution \: \: x > 11 \\ interval \: notation \: (11, \infty )[/tex]
Hope it helps!!
Rashad had ducks and cows on his farm. These 14 animals had a total of 40 legs. How many cows and ducks were there?
The solution to the system of equations is
The number of ducks D = 8 ducks
The number of cows C = 6 cows
What is an Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the number of ducks be D
Let the number of cows be C
Now , the total number of animals = 14
So , D + C = 14 be equation (1)
And , the total number of legs = 40
Number of legs for ducks = 2 legs
Number of legs for cows = 4 legs
And , the total number of legs = 2D + 4C = 40
So , 2D + 4C = 40 be equation (2)
On simplifying the equations , we get
Multiply equation (1) by 2 , we get
2D + 2C = 28 be equation (3)
Subtracting equation (3) from equation (2) , we get
2C = 40 - 28
2C = 12
Divide by 12 on both sides of the equation , we get
C = 6 cows
Substituting the value of C in equation (1) , we get
D = 14 - 6
D = 8 ducks
Therefore , the value of C and D is 6 and 8 respectively
Hence , the number of cows is 6 and number of ducks is 8
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(m−3+4n)⋅(−8)=
use distributive property
Answer:
-8m+24-32n
Step-by-step explanation:
Distribute the -8 to each term inside the parentheses.
(m−3+4n)⋅(−8)=
-8 *m -3 * -8 + 4n * -8
-8m+24-32n
Answer:
[tex] \sf \: -8m - 32n + 24 [/tex]
Step-by-step explanation:
Given expression,
→ (m - 3 + 4n)(-8)
Let's simplify the expression,
→ (m - 3 + 4n)(-8)
→ (-8 × m) + (-8 × -3) + (-8 × 4n)
→ -8(m) - 8(-3) -8(4n)
→ -8m - (-24) - 32n
→ -8m + 24 - 32n
→ -8m - 32n + 24
Thus, answer is -8m - 32n + 24.
The critical F value with 8 nurerator degrees of freedom and 29 denominator degrees of freedom at a 0.01 Is 2.28 -2.28 A value Greater than 2.28 A value less than -2,20
Critical F value with 8 numerator and 29 denominator degree of freedom at α = 0.01 is 3.20
The critical F value with 8 numerator degrees of freedom (also known as the numerator degrees of freedom or the numerator df) and 29 denominator degrees of freedom (also known as the denominator degrees of freedom or the denominator df) at a significance level of 0.01 can be found using a table of F-distribution values or by using a calculator or a software that can compute the F-distribution function.
The critical F value with 8 numerator degrees of freedom (df1) and 29 denominator degrees of freedom (df2) at a significance level of 0.01 can be found using the following formula:
F_critical = F(1 - alpha, df1, df2)
where F(1 - alpha, df1, df2) is the inverse of the cumulative distribution function (CDF) of the F-distribution, alpha is the significance level (0.01 in this case), and df1 and df2 are the numerator and denominator degrees of freedom, respectively.
For this case, the critical F value can be found using the inverse cumulative distribution function with 1- alpha = 0.99, df1 = 8 and df2 = 29
F(0.99,8,29) = 3.17
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Starsky and Hutch shared their profits in the ratio 3:1. If Starsky got £606, how much did hutch get?
Answer:
£202
Step-by-step explanation:
It is import that you read ratios from left to right - the subjects/names and the ratio itself. In this case the "subjects" are Starksy and Hutch. So Starsky = 3, Hutch = 1.
Use cross multiplication:
S(Starksy):H(Hutch)
3 : 1
606. : ?
(606 * 1) divided by 3 = your answer = 202
Reply if you are unfamiliar with the cross multiplication method
Answer:
202
Step-by-step explanation:
Ratios
Starsky : Hutch
3 : 1
Starsky has 606 so divide 606 by 3
606/3 = 202
Multiply each term by 202
Starsky : Hutch
3*202 : 1*202
Starsky : Hutch
606 : 202
Statins are used to keep cholesterol in check and are a top-selling drug in the
U.S. The equation:
S - 1.5x = 4.9
gives the amount of sales (S) of statin in billions of dollars a years after 1998.
According to this equation, how much will/did people in the U.S. spend on
statins in the year 2010?
Answer: People in the U.S. will spend ??
Billion dollars on statins in 2010.
Answer: 87
Step-by-step explanation:
Rider and Caleb bought 5 gallons of juice for a classroom party. The cost was $25.55. What is the cost per pint of juice? (Round your answer to the nearest cent.)
The cost per pint of juice $0.63875.
What is division?
Division, or the process by which two or more numbers are joined together to generate a new number, is one of the four basic arithmetic operations. Addition, subtraction, and multiplication make up the remaining operations.
Weight of juice for a classroom party is 5 gallons.
Total price is $25.55.
We know that 1 US liquid pint = 0.125 US liquid Gallon
=> 0.125 US liquid Gallon = 1 US liquid pint
Therefore, 5 US liquid Gallon = 5/0.125 US liquid pint
=> 5 US liquid Gallon = 8*5 US liquid pint
=> 5 US liquid Gallon = 40 US liquid pint
Now, the required price is 25.55/40 = $0.63875
Hence, the cost per pint of juice $0.63875.
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please help me with this thank you
Answer:
3rd one is 100.6⁰F I think... not sure
Answer: B
Step-by-step explanation: 100.7 is current. In the past, it was lower so we have to subtract. We know how much we subtract (2.5). In B, if we subtract 2.5 we are taking 2.5 away from his current temp to get yesterday's temp.
Which value of x is in the domain of f(x)=√x - 8?
OA. x = 0
OB. x=7
OC. x = -8
OD. x = 10
SUBMIT
Answer: OC. x = -8 is not in the domain of the function f(x) = √x - 8 because the square root of a negative number is not a real number. Therefore, the only value of x that is in the domain of the function is x ≥ 0.
Step-by-step explanation:
12. rotation 270° counterclockwise about the origin
سال
-> J'(,
)
J (2,-5)
K(-1, -3) --------> K'C
)
L (-4, 5) --------->', )
Answer:
A (x,y) becomes A'(y,-x)
Step-by-step explanation:
this means we switch x and y to make x a negative
classify each sample as random, systematic, stratified, or cluster. in a large school district, all teachers from two buildings are interviewed to determine whether they believe the students have less homework to do now than in previous years.
The Classification of each sample ( i.e., sampling technique ) are
Cluster Systematic Random Systematic Stratified1) Cluster sampling is a type of sampling in which the whole population is divided into separate groups (clusters). After which a simple random sample is selected from these clusters to conduct the analysis. To determine whether the students have less homework to do now as compared to the previous year, all teachers of two buildings in a large school districted are interviewed. In the provided scenario, the two buildings can be considered as two cluster. Since, all the teachers of these two strata are interviewed, the sampling method can be considered as cluster sampling.Hence, the sampling method can be considered as a cluster sampling.
2)Systematic sampling is a type of sampling in which every k member is included in the sample, after the selection of the first unit. According to the question, every seventh customer is asked about his/her favorite store. Since, every seventh customer is asked about his/her favorite store, the sampling method can be considered as a systematic sampling.
3) Simple random sampling is a type of sampling in which every unit of the population has an equal chance of being included in the sample.
In the provided scenario, nursing supervisors are selected using random numbers. That is, the nursing supervisors are selected randomly from the population. Hence, the sampling method can be considered as simple random sampling.
4) According to the question, every hundredth Hamburg manufactured is checked. Since, every hundredth Hamburg manufactured is selected for checking, the sampling method can be considered as a systematic sampling.
5) Stratified random sampling is one of type of sampling techniques, which is used for a heterogeneous population. In case of stratified sampling, the heterogeneous population is divided into strata before collecting the sample . According to the question, mail carriers are divided into four groups according to gender and the route use by them. Then 10 people are selected randomly from each group for interview. Therefore, the population is divided into four groups according to two different characteristics and then 10 people are selected randomly from each group. Hence, the sampling method can be considered as stratified sampling.
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Complete question :
Classify each sample as random, systematic, stratified, or cluster
1. In a large school district, all teachers from two buildings are interviewed to determine whether they believe the students have less homework to do now than in previous years.
2. Every seventh customer entering a shopping mall is asked to select his or her favorite store.
3. Nursing supervisors are selected using random numbers in order to determine annual salaries.
4. Every hundredth hamburger manufactured is checked to determine its fat content.
5. Mail carriers of a large city are divided into four groups according to gender (male or female) and according to whether they walk or ride on their routes. Then 10 are selected from each group and interviewed to determine whether they have been bitten by a dog in the last year.
Please help me step by step pls
there is no question!
-4x+5y=-19
-x-2y=5
Solve the system of linear equations
The solution for the system of linear equations is (1,-3)
What are linear equations?Linear equations help in representing the relationship between variables such as x, y, and z, and are expressed in exponents of one degree. In these linear equations, we use algebra, starting from the basics such as the addition and subtraction of algebraic expressions.
Given here: -4x+5y=-19
-x-2y=5
Solving for x we get y equal to -3
Thus putting y=-3 in equation 1 we get x=1
Hence, The solution for the system of linear equations is (1,-3)
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ST=4x-4 TU=4x-10 and SU =5x+1 determine the numerical length of TU
The numerical length of TU is TU = 26.
What is the numerical length?
The formula states that the base-numerical length of a number is the number of digits in the base-numeral for where is the floor function. An -digit's length is another name for its multiplicative persistence.
Given:
ST=4x-4, TU=4x-10, and SU =5x+1
We have to find the numerical length of TU.
Here,
SU = ST + TU
5x + 1 = 4x - 4 + 4x - 10
Simplifying,
5x + 1 = 8x - 14
Subtract 1 on both sides,
5x + 1 - 1 = 8x - 14 - 1
5x = 8x - 15
Subtract 5x on both sides,
5x - 5x = 8x - 15 - 5x
0 = 3x - 15
3x = 15
x = 5
⇒ TU = 5(5) + 1 = 25 + 1 = 26
Hence, the numerical length of TU is TU = 26.
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NO LINKS!! Part 1
Find an exponential function in y = ab^x form that satisfies the given information :
a. Has y-int (0, 2) and has a multiplier of 0.8
b. passes through the points (0, 3.5) and (2, 31.5)
Answer:
A) y = 2*0.8ˣB) y = 3.5*3ˣ-----------------------------------------
Part AUse the coordinates to determine the function.
Point (0, 2):
2 = a*b⁰ ⇒ 2 = aThe function becomes:
y = 2bˣIt has a multiplier of 0.8, so b = 0.8, so the function is:
y = 2*0.8ˣPart BUse the first point:
3.5 = a*b⁰ ⇒ 3.5 = aUse the second point:
31.5 = 3.5*b²9 = b²b = √9b = 3The function is:
y = 3.5*3ˣAnswer:
[tex]\textsf{a)} \quad y=2(0.8)^x[/tex]
[tex]\text{b)} \quad y=3.5(3)^x[/tex]
Step-by-step explanation:
[tex]\boxed{\begin{minipage}{9 cm}\underline{General form of an Exponential Function}\\\\$y=ab^x$\\\\where:\\\phantom{ww}$\bullet$ $a$ is the initial value ($y$-intercept). \\ \phantom{ww}$\bullet$ $b$ is the base (growth/decay factor) in decimal form.\\\end{minipage}}[/tex]
Question (a)Given:
y-intercept = (0, 2) ⇒ a = 2multiplier = 0.8 ⇒ b = 0.8Substitute the values of a and b into the exponential function formula:
[tex]\implies y=2(0.8)^x[/tex]
Question (b)The y-intercept is when x = 0. Therefore, given the function passes through point (0, 3.5), the y-intercept is 0.35 ⇒ a = 3.5.
Substitute the found value of a and given point (2, 31.5) into the exponential function formula and solve for b:
[tex]\implies 31.5=3.5b^2[/tex]
[tex]\implies b^2=9[/tex]
[tex]\implies b=3[/tex]
Substitute the values of a and b into the exponential function formula:
[tex]\implies y=3.5(3)^x[/tex]
Can someone please solve this.
The correct option is the root of auxiliary equation are 0 and6
What is differential equation?A differential equation is an equation which contains one or more terms and the derivatives of one variable (i.e., dependent variable) with respect to the other variable (i.e., independent variable) dy/dx = f(x) Here “x” is an independent variable and “y” is a dependent variable. For example, dy/dx = 5x.General Differential Equations. Consider the equation y′=3x2, which is an example of a differential equation because it includes a derivative. There is a relationship between the variables x and y:y is an unknown function of x. Furthermore, the left-hand side of the equation is the derivative of y.Ordinary differential equations applications in real life are used to calculate the movement or flow of electricity, motion of an object to and fro like a pendulum, to explain thermodynamics concepts. Also, in medical terms, they are used to check the growth of diseases in graphical representationTo learn more about differential equation refers to:
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Consider the following equation, known as the Arrhenius Equation Two-point form.
Solve for:
a)
b)
c)
d)
It's worth noting that to solve for T2 you need to have the values of other variables such as K1, K2, Ea, R and T1
What is the Arrhenius Equation?
The Arrhenius equation is a mathematical equation that describes the relationship between the rate constant (K) of a chemical reaction and the temperature (T) of the reaction. The equation was first proposed by Svante Arrhenius in 1889 and it states that the rate constant of a chemical reaction is directly proportional to the exponential of the negative activation energy (Ea) of the reaction, divided by the gas constant (R) and the absolute temperature (T). The equation can be written as:
K = A * e^(-Ea / (R*T))
The Arrhenius Equation Two-point form is a mathematical equation that describes the relationship between the rate constant (K) of a chemical reaction, the activation energy (Ea) of the reaction, the universal gas constant (R), and the temperature (T) of the reaction.
Given the equation K2/K1 = Ea / R (1/T1 - 1/T2)
a. To solve for K2, we can multiply both sides of the equation by
K1: K2 = K1 * Ea / R (1/T1 - 1/T2)
b. To solve for K1, we can divide both sides of the equation by
Ea / R (1/T1 - 1/T2): K1 = K2 / Ea / R (1/T1 - 1/T2)
c. To solve for Ea, we can multiply both sides of the equation by
R (1/T1 - 1/T2): Ea = K2/K1 * R (1/T1 - 1/T2)
d. To solve for T2, we can use the equation 1/T2= 1/T1 - Ea/R * K1/K2
It's worth noting that to solve for T2 you need to have the values of other variables such as K1, K2, Ea, R and T1.
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While playing basketball, Ava’s heartbeat `is 80` times in `30` seconds. While running, her heartbeat `was 60` times in `20` seconds. Which activity made Ava’s heart beat faster? Basketball, running, or they were the same.
Running made Ava’s heart beat faster.
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
While playing basketball, Ava’s heartbeat is 80 times in 30 seconds.
And, While running, her heartbeat was 60 times in 20 seconds.
Clearly, Ava's heartbeat is faster when he was running.
So, Running made Ava’s heart beat faster.
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Please help asap giving 50 points for it!!!
The inequality that can be used to find the number of windows is d + r ≤ 235 and 250r + 220d ≥ 55000
What is an equation?An equation is an expression that shows how two or more numbers and variables are related to each other. Types of equations can either be linear, quadratic or cubic
Inequalities are used to show the nonequal comparison of two or more numbers and variables
Let r represent the regular price and let d represent the discounted price.
Gerald company has an inventory of 235 windows, hence:
d + r ≤ 235 (1)
Also, the regular price is $250 and the discounted price is $220. The sales goal is $55000, hence:
250r + 220d ≥ 55000 (2)
The inequality is d + r ≤ 235 and 250r + 220d ≥ 55000
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Which step is missing in the proof?
We can see here that the missing proof is option D: ΔBPQ ∼ ΔDRS Reason: SSA.
What is a proof?A proof is a logical argument that demonstrates the truth of a statement or theorem. In mathematics, a proof is a sequence of logical steps that shows that a statement is true by using a combination of logical reasoning, definitions, established facts, and accepted rules of inference.
In other fields, such as computer science, a proof may refer to a demonstration that a program or algorithm is correct or that a system has a certain property.
We see here that the option selected above is actually the missing step in the proof.
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