Answer:
Step-by-step explanation:
h = 100 * 400000 - 20000 / 20000 = 38000000/ 20000 = 1900/1 = 1900%
Let X,Y be a random draw from the following box of tickets:0 1 1 1 1 1 2 2 21 3 3 0 1 2 0 3 39 TicketsFind P(Y > or = to 1|X = 2)
The probability of Y is greater than or equal to 1 given that X is equal to 2 i.e. P(Y ≥ 1 | X = 2) is 2/3.
To find P(Y ≥ 1 | X = 2), we will calculate the conditional probability of Y being greater than or equal to 1 given that X is equal to 2.
First, let us find the probability of X = 2, which is the number of 2 tickets in the box divided by the total number of tickets as follows -
P(X = 2) = 3/9
Next, let us find the probability of Y ≥ 1 and X = 2, which is the number of tickets with Y greater than or equal to 1 and X equal to 2 divided by the total number of tickets as follows -
P(Y ≥ 1, X = 2) = 2/9
Finally, using the formula for conditional probability to find P(Y ≥ 1 | X = 2) we get -
P(Y ≥ 1 | X = 2) = P(Y ≥ 1, X = 2) / P(X = 2)
P(Y ≥ 1 | X = 2) = (2/9) / (3/9)
P(Y ≥ 1 | X = 2) = 2/3
Therefore, the probability of Y is greater than or equal to 1 given that X is equal to 2 is 2/3.
Read more about Probability:
brainly.com/question/24756209
#SPJ4
!WILL GIVE BRAINLIEST! Show the synthetic division work for this problem
(7x³-25x² +17x-7)+(x-3)
The division of 7x³ - 25x² + 17x - 7 by x - 3 will have a quotient of 7x² - 4x + 5 and a remainder of 8 using synthetic division.
Dividing with synthetic divisionThe procedure for synthetic division involves the following steps:
Divide.
Multiply.
Subtract.
Bring down the next term, and
Repeat the process to get zero or arrive at a remainder.
We shall divide 7x³ - 25x² + 17x - 7 by x - 3 as follows;
7x³ divided by x equals 7x²
x - 3 multiplied by 7x² equals 7x³ - 21x²
subtract 7x³ - 21x² from 7x³ - 25x² + 17x - 7 will give us -4x² + 17x - 7
-4x² divided by x equals -4x
x - 3 multiplied by -4x equals -4x² + 12x
subtract -4x² + 12x from -4x² + 17x - 7 will give us 5x - 7
5x divided by x equals 5
x - 3 multiplied by 5 equals 5x - 15
subtract 5x - 15 from 5x - 7 will give result to a remainder of 8
Therefore by synthetic division, 7x³ - 25x² + 17x - 7 divided by x - 3 will result to a quotient of 7x² - 4x + 5 and a remainder of 8.
Know more about synthetic division here: https://brainly.com/question/25289437
#SPJ1
Given: ⊙O with central angles ∠AOC ≅ ∠BOD Prove: AC ≅ BD Circle O is shown. Line segments O A, O C, O B, and O D are radii. Line segments connect points A and C and points B and D to form 2 triangles inside of the circle. Angles A O C and B O D are congruent. Complete the missing parts of the paragraph proof. Proof: We know that central angles are congruent, because it is given. We can say that segments AO, CO, BO, and DO are congruent because . Then by the congruency theorem, we know that triangle AOC is congruent to triangle BOD. Finally, we can conclude that chord AC is congruent to chord BD because .
The missing statements and reasons in the two column proof are;
1. AOC and BOD.
2. All radii of a circle are congruent
3. SAS congruency theorem
4. CPCTC
How to complete two column proofs?A two-column proof is defined as a geometric proof consists of a list of statements, and the reasons that we know those statements are true.
The two column proof of the angles is;
Statement 1: Central angles ∠AOC and ∠BOD are congruent
Reason 1: Given
Statement 2: The segments AO, CO, BO, and DO are congruent
Reason 2: All radii of a circle are congruent
Statement 3: Triangle AOC is congruent to triangle BOD
Reason 3: SAS congruency theorem
Statement 4: Chord AC is congruent to chord BD
Reason 4: CPCTC (Corresponding Parts of Congruent Triangles are Congruent)
Read more about Two Column Proof at; https://brainly.com/question/1788884
#SPJ1
Violet is going to invest $1,800 and leave it in an account for 6 years. Assuming the interest is compounded continuously, what interest rate, to the nearest tenth of a percent, would be required in ord er for Violet to end up with $2,400?
Answer: 3.9%
Step-by-step explanation:
We can use the formula for continuous compounding to solve this problem:
A = P * e^(r*t)
where A is the final amount, P is the initial principal, r is the interest rate, and t is the time in years.
In this case, we know that P = $1,800, A = $2,400, and t = 6 years. We want to solve for r.
First, we can rearrange the formula to isolate r:
r = (ln(A/P)) / t
where ln represents the natural logarithm.
Plugging in the values we know, we get:
r = (ln(2400/1800)) / 6
r = 0.0392
Find the value of x
3x
7x+10
^imagine
The value of the x in the circle is 17.
'
How to find the centre angle in a circle?The angle measure of the central angle is congruent to the measure of the intercepted arc.
Therefore, let's find the value of x.
Hence,
180 - 3x(angle on a straight line) = 7x + 10
180 - 3x = 7x + 10
add 3x to both side of the equation
180 - 3x = 7x + 10
180 - 3x + 3x = 7x + 3x + 10
180 = 10x + 10
180 - 10 = 10x
170 = 10x
x = 170 / 10
x = 17
Therefore,
x = 17
learn more on circle here: https://brainly.com/question/23117081
#SPJ1
Please help me solve this last question
The length of the line QR is 3 units. Options A
What are the properties of a pentagon?
The properties of a pentagon is expressed as;
The number of sides is 5The number of vertices is 5The sum of the Interior angle is 540°The sum of the exterior angle is 360°The Area is ½ × perimeter x apothem (a)Perimeter is expressed as 5 × side.Pentagons are convex, cyclic, equilateral, isogonal, isotoxalFrom the image shown, we have that;
The point from Q to R are (-8, -5)
To determine the distance, we have that;
-8-(-5)
-8 + 5
Add the values
-3
Hence, the number is 3
Learn about graphs on: https://brainly.com/question/19040584
#SPJ1
The pointer on a voltmeter is 6 centimeters in length (see figure). Find the number of degrees through which the pointer rotates when it moves 2.5 centimeters on the scale.
The pointer rotates through 23.87°
How to find angle θYou can find angle θ using the formula s = rθ. This is because this voltmeter reading can be treated as part of a circle. A longer gauge curve can form a full circle centered at the base of the pointer. s in this formula equals 2.5 centimeters, which is the distance the pointer moves. The value of r is 6 centimeters, the radius of the circle.
2.5=6θ
θ=2.5 : 6
θ= 0.417°
To convert this angle to degrees, you need to use a unit converter. After converting the units, π rad is 180°. To take advantage of this fact, multiply the result by 180°/πrad. This removes radians and adds trad degrees.
0.417× 180°/πrad= 23.87°
Learn more about angles at
https://brainly.com/question/30546425
#SPJ4
The store is selling lemons at $0.49 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make four 9-inch lemon pies, each requiring half a cup of lemon juice?
Cost of lemon to fill four 9-inch lemon pies is $7.84
What is Division?The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of items. Division is the reciprocal of multiplication.
The store is selling lemons at $0.49 each.
Each lemon yields about 2 tablespoons of juice.
Four 9-inch lemon pies, each requiring half a cup of lemon juice.
Amount of juice to be filled in four 9-inch pies = 4*0.5
= 2 cups of juice.
For two cups of juice = 2*16=32 tablespoons.
For 32 tablespoon of juices we require, 32/2=16 lemons.
Cost of 16 lemons = 16*0.49
=$7.84.
Hence, cost of lemon to fill four 9-inch lemon pies is $7.84.
Learn more about division here:
https://brainly.com/question/29775887
#SPJ9
Let X be the minimum and Y the maximum of two random variables S and T with common continuous density f. Let Z denote the indicator function of the event (S
The distribution of the indicator function Z, which denotes the probability of S being greater than T, can be expressed in terms of the marginal density and the cumulative distribution function of the independent random variables S and T.
In probability theory, a random variable is a variable whose value depends on the outcome of a random event. The distribution of a random variable describes the probability of the variable taking on different values.
Now, let's consider the two independent random variables S and T with common continuous density f. We define X as the minimum of S and T, and Y as the maximum of S and T.
The indicator function Z is defined as the probability of the event {S > T}. In other words, Z takes on the value of 1 if S is greater than T, and 0 otherwise.
To find the distribution of Z, we need to consider the joint probability distribution of S and T. Since S and T are independent, their joint distribution is given by the product of their marginal distributions:
f(S,T) = f(S) * f(T)
Now, let's consider the event {S > T}. This event occurs when S is on the right side of the diagonal line T=S in the (S,T) plane. The probability of this event can be obtained by integrating the joint density over this region:
P(S > T) = ∫∫ {S > T} f(S,T) dS dT
We can simplify this integral by changing the order of integration:
P(S > T) = ∫∞-∞ ∫S∞ f(S,T) dT dS
= ∫∞-∞ f(S) ∫S∞ f(T) dT dS
= ∫∞-∞ f(S) (1 - F(S)) dS
where F(S) is the cumulative distribution function of the random variable T, which gives the probability that T is less than or equal to S.
Thus, we have obtained the distribution of Z as a function of the marginal density f and the cumulative distribution function F:
P(Z=1) = ∫∞-∞ f(S) (1 - F(S)) dS
P(Z=0) = ∫∞-∞ f(S) F(S) dS
To know more about function here.
https://brainly.com/question/28193995
#SPJ4
Complete Question:
Let X be the minimum and Y the maximum of two independent random variables S and T with common continuous density f, i.e X = min{S,T}, Y = max{S, T}, and let Z =>t denote the indicator function of the event {S > T}.
What is the distribution of Z?
Line A passes through the points (10, 6) and (2, 15). Line 8 passes through the points (5,9)
and (14, -1).
Which statement is true?
Line A overlaps line B.
Line A intersects line B at exactly one point.
Line A does not intersect line B.
Submit
Work it out
Not feeling ready yet? These can help:
e-8/solve-a-system-of-equations-by-graph... system of equations? (91)
Solve a system of equations by graphing (60)
The true statement is that
B. Line A intersects line B at exactly one point.How to find the true statementThe equation of the two line is written by
The slope, m of the lines is calculated the formula
m = (y₀ - y₁) / (x₀ - x₁)
where
m = slope
x₂ and x₁ = points in x coordinates
y₂ and y₁ = points in y coordinates
The slope, m of the linear function is calculated using the points (10, 6) and (2, 15)
m = (y₀ - y₁) / (x₀ - x₁)
m = (6 - 15) / (10 - 2)
m = (-9) / (8)
m = -9/8
equation passing through point (2, 15)
(y - y₁) = m (x - x₁)
y - 15 = -9/8(x - 2)
y - 15 = -9x/8 + 9/4
y = -9x/8 + 9/4 + 15
y = -9/8 x + 17.25
For line B
The slope, m of the linear function is calculated using the points (5, 9)
and (14, -1)
m = (9 + 1) / (6 - 14)
m = (-10) / (8)
m = -5/4
equation passing through point (5, 9)
y - 9 = -5/4(x - 5)
y - 9 = -5x/4 + 25/4
y = -5x/4 + 25/4 + 9
y = -5/4 x + 15.25
plotting the lines shows the line intersects at a point
Learn more about linear function at:
https://brainly.com/question/30125370
#SPJ1
the bisection method is a root-finding tool based on the intermediate value theorem. the method is also called the binary search method. True or False
True .The bisection method is a root-finding tool based on the intermediate value theorem. the method is also called the binary search method.
The bisection technique is a root-finding approach that is used to identify the values of x for which f(x) = 0, or the roots, of a function. Using the intermediate value theorem, the approach selects the subinterval in which the function's root must reside after repeatedly bisecting an interval containing the root of the function. This approach can be repeated again until the algorithm converges to a result that accurately approximates the function's root.
The bisection method divides the interval repeatedly to approximatively determine the roots of the given equation.
The interval will be divided using this manner until an incredibly tiny interval is discovered. The bisection method is a technique for locating roots in mathematics.
For such more questions on bisection method :
brainly.com/question/28836241
#SPJ4
find the inverse of f(x)=5x^3
Answer:
the inverse of f(x) = 5x^3 is g(x) = (x/5)^(1/3).
Step-by-step explanation:
To find the inverse of f(x) = 5x^3, we need to find a function g(x) such that g(f(x)) = x.
Let y = f(x) = 5x^3, then we solve for x in terms of y:
y = 5x^3
x^3 = y/5
x = (y/5)^(1/3)
Thus, g(x) = (x/5)^(1/3).
Therefore, the inverse of f(x) = 5x^3 is g(x) = (x/5)^(1/3).
Replace f(x) with y. We get y=5x^3.
Swap x and y. We get x=5y^3.
Solve for y. We get y=(x/5)^(1/3).
Change y to f-1(x). We get f-1(x)=(x/5)^(1/3).
Therefore, the inverse of f(x)=5x^3 is f-1(x)=(x/5)^(1/3).
I don't if this is enough or not but this is what I get.
If JKLM is a rectangle, JN = 13x – 10, and NM = 5x + 54, find JL.
The length of JL is 9x + 22.
What are properties of rectangle?
A rectangle is a four-right-angle quadrilateral. It can also be classified as an equiangular quadrilateral because all of its angles are equal; or a parallelogram with a right angle. A square is a rectangle with four equal-length sides.
In a rectangle, opposite sides are equal in length. So, JL is equal to KM.
We have the expressions for the lengths of JN and NM. Using this information and the fact that JKLM is a rectangle, we can set up an equation:
JN + NM = JL + KM
Substituting the given expressions, we get:
(13x - 10) + (5x + 54) = JL + KM
Simplifying the left side, we get:
18x + 44 = JL + KM
But we know that JL = KM, so we can replace both JL and KM with JL:
18x + 44 = 2JL
Now we can solve for JL:
2JL = 18x + 44
JL = (18x + 44)/2
JL = 9x + 22
Therefore, The length of JL is 9x + 22.
To know more about properties of rectangle visit,
https://brainly.com/question/12190011
#SPJ1
The area of a circle is 144π ft². What is the circumference, in feet? Express your answer in terms of π.
Answer:
the circumference of the circle is 24π feet
Step-by-step explanation:
The area of a circle is A = πr^2, where r is the radius. So, if the area is 144π ft^2, we can solve for the radius:
144π = πr^2
r^2 = 144
r = 12
The circumference of a circle is given by the formula C = 2πr, so substituting in the value of the radius, we find:
C = 2π * 12
C = 24π
Six teammates are competing for first, second, and third place in a race.
How many possibilities are there for the top three positions?
20
30
120
240
There are 120 possibilities for the top three positions.
How to calculate the number of ways can be arranged?Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter.
To calculate combinations, we will use the formula nCr = n! / r! * (n - r)!, where n represents the total number of items, and r represents the number of items being chosen at a time.
Given:
Six teammates are competing for first, second, and third place in a race.
Total number of teammates= 6
Now, we need to find the number of possibilities for the top three positions
Possibility for 1st position = 6
Possibility for 2nd position = 5
Possibility for 3rd position = 4
So total number of possibilities
= 6x 5 x 3
= 120
Learn more about Combination here:
https://brainly.com/question/1517242
#SPJ9
The altitude of an airplane coming in for a landing is represented by the equation shown below, where y represents the altitude of an airplane and x represent the number of minutes the plane has been descending: y = -12x + 360 Part A. Create a table for the values when = 0, 5, 8, 10, 30. include worked out equation used to identify the values within the table Part B. identify the altitude after 5 minutes and after 30 minutes
Part A:
Here is the table for the values of y when x = 0, 5, 8, 10, and 30:
x y = -12x + 360
0 360
5 240
8 192
10 180
30 -360
Part B:
After 5 minutes, the altitude of the plane = 240 feet
After 30 minutes, the altitude of the plane = -360 feet.
How to make the tableTo find the value of y for each x, we substitute x into the equation y = -12x + 360:
For x = 0, y = -12(0) + 360 = 360
For x = 5, y = -12(5) + 360 = 240
For x = 8, y = -12(8) + 360 = 192
For x = 10, y = -12(10) + 360 = 180
For x = 30, y = -12(30) + 360 = -360
Part B:
After 5 minutes, the altitude of the plane can be found by substituting x = 5 into the equation
y = -12x + 360
y = -12(5) + 360 = 240 feet
After 30 minutes, the altitude of the plane can be found by substituting x = 30 into the equation
y = -12x + 360
y = -12(30) + 360 = -360 feet.
Learn more about linear functions at:
https://brainly.com/question/2030026
#SPJ1
Which angles are adjacent to each other?
2
3
1
4
6 7
5 8
11
10
12
9
Answer:Angle 6 and Angle 5, Angle 3 and Angle 2
100% correct don't worry ;)
Step-by-step explanation:
Evaluate 2+8m if m = 4
Answer: 34
Step-by-step explanation:
The first step is if you multiply 8x4 you get 32
And then if you add 32+2 you get 34
According to PEMDAS
P=Parenthesis
E=Exponents
M=Multiplication
D=Division
A=Addition
S=Subtraction
Thus, you have to multiply, then add. If not you will get a way off answer. Also, because M comes before A.
Answer:
34
Step-by-step explanation:
To evaluate the expression 2 + 8m when m = 4, we can simply substitute 4 for m in the expression and simplify:
2 + 8m = 2 + 8 * 4
= 2 + 32
= 34
So, when m = 4, the value of the expression 2 + 8m is 34.
1) Calculate ocean depth for the following sounding times:
6 seconds:______m
2.5 seconds:_____m
2) Consider a wave the following properties: wavelength = 10 meters and period = 2 seconds: (answer the following)
At what depth will the wave begin to break?
What is the celerity of the wave?
What is the wave's frequency?
Answer:
Step-by-step explanation:
To calculate ocean depth based on sounding times, you can use the equation:
depth = (sound velocity x time) / 2, where sound velocity in seawater is approximately 1500 meters per second.
For a sounding time of 6 seconds, the depth would be:
depth = (1500 m/s x 6 s) / 2 = 4500 / 2 = 2250 m
For a sounding time of 2.5 seconds, the depth would be:
depth = (1500 m/s x 2.5 s) / 2 = 3750 / 2 = 1875 m
So, the depths would be:
6 seconds: 2250 m
2.5 seconds: 1875 m
For the given wave properties,
At what depth will the wave begin to break?
The depth at which a wave begins to break depends on a number of factors, including the wave height, wave period, water depth, and water temperature. As a rough estimate, waves typically begin to break when their height is 1/7th of the water depth. For deep water waves with a height of 0.5 meters, this depth would be approximately 3.5 meters. However, for the exact depth at which a wave will begin to break, more detailed information would be required.
What is the celerity of the wave?
The celerity (also known as phase velocity) of a wave is given by the formula:
celerity = wavelength / period.
For the given wave, the celerity would be:
celerity = 10 m / 2 s = 5 m/s
What is the wave's frequency?
The frequency of a wave is given by the formula:
frequency = 1 / period.
For the given wave, the frequency would be:
frequency = 1 / 2 s = 0.5 Hz
solve and graph the inequality 4x > 16
Answer:
B.
Step-by-step explanation:
Answer: B
Step-by-step explanation:
Patel is solving 8x2 + 16x + 3 = 0. Which steps could he use to solve the quadratic equation? Select three options. 8(x2 + 2x + 1) = –3 + 8 x = –1 Plus or minus StartRoot StartFraction 5 Over 8 EndFraction EndRoot x = –1 Plus or minus StartRoot StartFraction 4 Over 8 EndFraction EndRoot 8(x2 + 2x + 1) = 3 + 1 8(x2 + 2x) = –3
The value of x = -1 + √ 5/8, and -1 - √ 5/8 .
Sometimes it's preferred to solve quadratic equations without the use of the known quadratic formula solver. One of the most-used methods consists of completing squares and solving for x.
Using the first equation 8(x2+2x + 1) = - 3 + 8 to solve the problem
The steps.
8(x2+2x + 1) = - 3 + 8
8(x2+2x + 1) = 5
(x + 1)2= 5/8
x = -1 + √ 5/8, and -1 - √ 5/8
What are quadratic equations?
The polynomial equations of degree two in one variable of type f(x) = ax2 + bx + c = 0 and with a, b, c, and R R and a 0 are known as quadratic equations. It is a quadratic equation in its general form, where "a" stands for the leading coefficient and "c" is for the absolute term of f. (x). The roots of the quadratic equation are the values of x that fulfill the equation (, ).
Learn more about quadratic equations at:
brainly.com/question/1214333
#SPJ1
Simplify
p-8
7-29-9
The solution is
Write your answer using only positive exponents.
The simplified expression of p^8/p^7 is given as follows:
p.
How to simplify the expression?The expression for this problem is defined as follows:
p^8/p^7.
When two terms with the same base and different exponents are divided, we keep the base and subtract the exponents, hence the subtraction of the exponents is given as follows:
8 - 7.
Meaning that the simplified expression of p^8/p^7 is given as follows:
p.
More can be learned about simplified expressions at https://brainly.com/question/723406
#SPJ1
jacob plays basketball. he makes free throw shots 37% of the time. jacob must now attempt two free throws. the probability that jacob makes the second free throw given that he made the first is 0.52.
what is the probability that jacob makes both free throws?
The probability that Jacob makes both free throws is approximately 0.1924 or 19.24%.
The probability that Jacob makes the first free throw is 0.37, and the probability that he misses it is 0.63.
If he makes the first free throw, the probability that he makes the second free throw given that he made the first is 0.52, which means the probability that he misses the second free throw given that he made the first is 0.48.
So, the probability that Jacob makes both free throws is:
P(both made) = P(made first) [tex]\times[/tex] P(made second | made first)
= 0.37 [tex]\times[/tex] 0.52
= 0.1924
Therefore, the probability that Jacob makes both free throws is approximately 0.1924 or 19.24%.
for such more question on probability
https://brainly.com/question/13604758
#SPJ4
Ava is a teacher and takes home 46 papers to grade over the weekend. She can grade
at a rate of 8 papers per hour. How many papers would Ava have remaining to grade
after working for 5 hours?
Consider the following equation.
7−6y=−38−5x
Find the x- and y-intercepts, if possible.
LAED and LDEB are supplementary angles. (2x-17) + (x +32) = 180 3x + 15 180 3x = 165 x = 55 LDEB and ZAEC are vertical angles. mLAEC = m/DEB = (x + 32)° = (55 +32)° = 87° So, mLAEC = 87°. 1 Look at the figure in the Example. a. What is m/CEB? Show your work. (x +32) (2x-17) E D B
Considering the descriptions, angle CEB is found to be 93 degrees
How to find angle CEBAngle CEB is calculated by investigating the sketch attached
From the sketch, angle CEB and angle AEC are supplementary angles
and angle AEC is given to be 87 degrees.
Supplementary angles are angles that have their sum equal to 180 degrees.
hence In the problem, we have that
angle CEB + angle AEC = 180 degrees
where
angle AEC = 87.
substituting the value into the equation will result to
angle CEB + 87 = 180
angle CEB = 180 - 87
angle CEB = 93 degrees
We can therefore say that angle CEB = 93 degrees
Learn more about supplementary angles at:
https://brainly.com/question/404323
#SPJ1
please help meeeeeeeeeeeeeee
Answer:10%
Step-by-step explanation:
For number one its a decrease equaling 10%
6|x|≥72
If all real numbers are solutions, click on "All reals".
If there is no solution, click on "No solution".
IV
As a result, any real number higher than or equal to 12 or less than or equal to -12 is a solution to the inequality, implying that the answer is any real integer.
What is inequality?An inequality is a mathematical statement that compares two values and indicates whether they are equal, greater than, or less than each other. Inequalities are represented using symbols such as <, >, ≤, and ≥, which stand for "less than", "greater than", "less than or equal to", and "greater than or equal to", respectively. For example, the inequality 2 < 5 means that 2 is less than 5, and the inequality 3 ≥ 1 means that 3 is greater than or equal to 1. Inequalities are often used to describe the range of possible values for a variable, and to represent constraints in mathematical models and real-world problems. The solution of an inequality is the set of values that make the inequality true.
Here,
To solve this inequality, we first need to evaluate the expression inside the absolute value. If x is positive, then |x| = x, so the inequality becomes:
6x ≥ 72
Dividing both sides by 6, we get:
x ≥ 12
If x is negative, then |x| = -x, so the inequality becomes:
6(-x) ≥ 72
Expanding the absolute value, we get:
-6x ≥ 72
Dividing both sides by -6, we get:
x ≤ -12
Therefore, all real numbers greater than or equal to 12 or less than or equal to -12 are solutions of the inequality, meaning the solution is all real numbers.
To know more about inequality,
https://brainly.com/question/30238995
#SPJ1
Jack has baseball practice every third day and swimming practice every second day. During the month of February, how many days will Jack have both practices? ** hint: MONTH of FEBRUARY
Answer:
Jack will have both practices for 4 days of the month.
Step-by-step explanation:
I used a calendar and marked each day he would have swimming practice in green and each day he would have baseball practice in magenta accordingly. The days that had both marks were the days he had both practices, which was 4 days in total.
Consider the following problem: Maximize x subject to -x+ 3x2 S 0 -3x 2x2 2 -3 "2 2 0. a. Sketch the feasible region in the (xi, x2 ) space. b. Identify the regions in the (x1, x2) space where the slack variables x3 and x4,say, are equal to zero.c. Solve the problem geometricallyd. Draw the requirement space and interpret feasibility
a. The feasible region is a triangle in the x1-x2 plane with vertices at (0,0), (1,0), and (2/3,1/3).
b. The slack variables x3 and x4 are zero on the boundaries of the feasible region.
c. The maximum value of x is 2/3 and is attained at x1 = 2/3 and x2 = 1/3.
d. The requirement space is the region satisfying the given constraints, and feasibility means that a solution exists within this region.
For a. To sketch the feasible region, we first find the boundary curves of the region by setting each constraint equal to zero. The resulting curves are x2 = 0, -x1 + 3x2 = 0, and -3x1 + 2x2 = 0. The feasible region is the area in the x1-x2 plane that satisfies all the constraints, which is a triangle with vertices at (0,0), (1,0), and (2/3,1/3).
For b. The slack variables x3 and x4 are introduced to convert the inequality constraints to equations. They represent the amount by which the left-hand side of each constraint is less than the right-hand side. When a slack variable is zero, it means that the corresponding inequality is an equality and the point lies on the boundary of the feasible region. In this case, x3 = 0 corresponds to the line x2 = 0, and x4 = 0 corresponds to the line -x1 + 3x2 = 0.
For c. To solve the problem geometrically, we find the corner points of the feasible region and evaluate the objective function at each point. The maximum value of x occurs at the point (2/3,1/3), where x = 2/3.
For d. The requirement space is the region of the x1-x2 plane that satisfies all the constraints. Feasibility means that there exists a solution to the problem within this region. The feasible region is a subset of the requirement space and is defined by the intersection of the constraint curves.
Learn more about Geometry:
https://brainly.com/question/24375372
#SPJ4