Duane can expect to make a monthly payment amount of $506.18 over the 5-year term of his loan, including both the principal and the interest.
The monthly payment amount for Duane's MSRP vehicle purchase can be calculated using the following formula: ((MSRP - cash-back incentive) x interest rate) / (term in years x 12). In this case, the calculation is ((31,000 - 4,500) x 0.055) ÷ (5 x 12) = 506.18. Thus, Duane can expect to make a monthly payment of $506.18 over the 5-year term of his loan. This amount includes both the principal and the interest accrued on the loan. It is important to note that the monthly payment may change slightly due to the addition of taxes, registration fees, and other charges that may be included in the loan. Additionally, the amount of the monthly payment may vary slightly depending on the lender's terms and conditions.
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What is the total amount due on 20000 which has been invested for five years at 10% annual interest?
Therefore , the solution of the given problem of amount comes out to be 30000 is the new amount.
What is an amount?aggregate attempting to determine the length of time needed, overall amount or quantity. The amount in front of you or being thought about is very active. the final outcome, its significance, or its meaning. three accountings: principal, interest, and the third. Word versions include amounts, amounting, and amounted. supple word How much something is, how often you possess
Here,
The straightforward interest formula can be used to determine the total amount owing on $20,000 that has been invested for five years at 10% annual interest:
=> Sum total = Principal + Interest
where Principal represents the amount invested initially and Interest represents the interest collected over the course of five years.
Since the interest gained annually is 10% of the principal, the total interest earned over the course of five years is as follows:
=> Interest is calculated as follows:
=> Interest = P*R*T
=> Interest = 20000 * 0.10 * 5
=> Interest = 10000
Total amount = 20000 +10000 = 30000
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5(x-y)+4=7 what is the value of x-y
Step-by-step explanation:
We can solve for x-y by isolating the term on one side of the equation and simplifying:
5(x-y) + 4 = 7
5(x-y) = 7 - 4
5(x-y) = 3
Next, we can divide both sides by 5:
x - y = 3/5
Therefore, the value of x-y is 3/5.
Q27) A retailer receives some products from three suppliers - $1, S2 and S3. The probability of successfully delivering the products in time by the suppliers are 0.85 for S1, 0.82 for S2 and 0.91 for S3. No supplier's delivery is impacted by any other supplier's delivery. The manufacturer orders 500 units of a raw material from $1, 120 units from S2 and 156 units from S3. What is the expected loss for the retailer given that failure to receive the materials in time will cost the manufacturer $20 per unit for the product supplied by $1, $30 for the product supplied by 52 and $10 for the product supplied by S3.
Expected loss for the retailer is $2288.4
There are three suppliers named S1, S2, and S3 who provide raw materials to a retailer. The probability of supplying the raw materials on time for S1, S2, and S3 are 0.85, 0.82, and 0.91 respectively. Let’s suppose that the retailer orders 500 units of raw material from S1, 120 units from S2, and 156 units from S3. The loss for the retailer is $20, $30, and $10 respectively for S1, S2, and S3. To find out the expected loss for the retailer, we can use the formula given below:Expected loss = (probability of loss) × (value of loss) + (probability of no loss) × (value of no loss)Let’s calculate the expected loss for each supplier separately.Supplier S1: The probability of not receiving raw material on time from S1 is 1 - 0.85 = 0.15. The expected loss due to S1 can be calculated as follows:Expected loss for S1 = (0.15) × (500 units) × ($20 per unit) = $1500Supplier S2: The probability of not receiving raw material on time from S2 is 1 - 0.82 = 0.18. The expected loss due to S2 can be calculated as follows:Expected loss for S2 = (0.18) × (120 units) × ($30 per unit) = $648Supplier S3: The probability of not receiving raw material on time from S3 is 1 - 0.91 = 0.09. The expected loss due to S3 can be calculated as follows:Expected loss for S3 = (0.09) × (156 units) × ($10 per unit) = $140.4Therefore, the total expected loss for the retailer can be calculated by adding the losses from all three suppliers.Total expected loss = $1500 + $648 + $140.4 = $2288.4Thus, the expected loss for the retailer is $2288.4.
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Do what the picture says and right answer gets brainilest!!!
Answer:
Below
Step-by-step explanation:
See image attached
−
2
x
+
2
y
=
8
6
x
+
y
=
11
If
(
x
,
y
)
is the solution to the system of equations above, what is the value of
7
y
?
Answer:
7y=-91
Step-by-step explanation:
-2x + 2y = 8 (multiply the second equation by 2)
12x + 2y = 22
Adding the two equations, we get:
10x = 30
Therefore, x = 3.
Substituting x = 3 into the second equation, we get:
6(3) + y = 11
Simplifying, we get:
y = -13
Finally, we can find the value of 7y:
7y = 7(-13) = -91
for the next olympic winter games, the organizers wish to expand the number of teams competing in curling. they wish to have teams enter, divided into two pools of seven teams each. right now, they're thinking of requiring that in preliminary play each team will play seven games against distinct opponents. five of the opponents will come from their own pool and two of the opponents will come from the other pool. they're having trouble setting up such a schedule, so they've come to you. by using an appropriate graph-theoretic model, either argue that they cannot use their current plan or devise a way for them to do so.
The organizers can use their current plan and have each team play 7 games against distinct opponents, with 5 of the opponents from their own pool and 2 of the opponents from the other pool.
To answer this question, we can use a bipartite graph as a model. A bipartite graph is a graph that has two sets of vertices, X and Y, with edges only between vertices from different sets. In this case, we can have one set of vertices representing the teams in one pool and the other set of vertices representing the teams in the other pool.
We can start by drawing a bipartite graph with 14 vertices, 7 in each set. Each vertex represents a team, and we can label them as T1, T2, ..., T14. Now, we need to add edges to represent the games that each team will play.
For each team in one pool, we can add 5 edges to connect it to 5 different teams in the same pool, and 2 edges to connect it to 2 different teams in the other pool.
After adding all the edges, we can see that each team has 7 edges connected to it, representing the 7 games that it will play. However, we also need to make sure that each team plays against distinct opponents. To do this, we can check if there are any duplicate edges in the graph.
If there are no duplicate edges, then the schedule can be used as it is. But if there are duplicate edges, then the schedule cannot be used and the organizers need to come up with a different plan.
In this case, we can see that there are no duplicate edges in the graph, which means that the schedule can be used as it is. Therefore, the organizers can use their current plan and have each team play 7 games against distinct opponents, with 5 of the opponents from their own pool and 2 of the opponents from the other pool.
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Giving Brainliest!!!
Answer:294
Step-by-step explanation:
Answer:
[tex]294m^2[/tex]
Step-by-step explanation:
Volume of a cube is side x side x side or [tex]s^3[/tex]
now we find the value of one side
[tex]s^3 = 343m^3\\s = \sqrt[3]{343m^3} \\s = 7m\\[/tex]
Now we have a side value we can find the surface area of this cube which is
Surface area = [tex]6 * s^2[/tex]
= [tex]6 * (7m)^2[/tex]
= [tex]6 * 49m^2[/tex]
= [tex]294 m^2[/tex]
Hope this helps!
Brainliest and a like is much appreciated!
i need help on geometry, an explanation on the answer would be helpful, thanks.
The following are the correct measures for the angles and arc length:
m∠DFA = 58°
m∠COB = 114°
m∠EOB = 122°
arc CE = 124°.
How to evaluate for the measures of the angles and arcm∠CED = [360 - 2(124)]/2 {angles at a point}
m∠CED = 56°
m∠A = [360 - 2(114)]/2 {angles at a point}
m∠A = 66°
m∠F = 180 - (56 + 66) {sum of interior angles of a triangle}
m∠F = 58°
The lines touching the circle at point C, B, and E respectively are tangents, hence the radii are perpendicular to each lines so;
angles m∠OCA, m∠OBA, m∠OBF, and m∠OEF are all equal to 90°
m∠COB = 360° - (90 + 90 + 66)° {sum of interior angles of a quadrilateral}
m∠COB = 114°
m∠EOB = 360° - (90 + 90 + 58)° {sum of interior angles of a quadrilateral}
m∠EOB = 122°
m∠CDE = 180° - arcCE
56° = 180° - arcCE
arcCE = 180° - 56°
arc CE = 124°.
Therefore, the correct measures of the angles and arc length are:
m∠DFA = 58°
m∠COB = 114°
m∠EOB = 122°
arc CE = 124°
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Use synthetic division to write (6x+5)/(x+7) in the form quotient +( remainder )/( divisor ).
[tex](6x+5)/(x+7)\\[/tex] can be represented as in the form quotient [tex]+( remainder )/( divisor )[/tex] as [tex]6 + 47/(x+7)[/tex] using division.
The methods below show how to use synthetic division to write (6x+5)/(x+7) in the form quotient +(remainder)/(divisor):
The divisor, x+7, should be written in the following format: (a, b, c,... 0), where the final term is 0 and the other terms are the polynomial coefficients in descending order of degree. The divisor is already present in this form in this instance.Using the same format as the divisor and a 0 coefficient for any missing terms, write the dividend, 6x+5, in the same format. The dividend can therefore be expressed as (6, 5).Reduce the dividend's first period, which is six years.Multiply the first coefficient of the dividend by the amount that was just brought down, and then place the answer under the second coefficient of the payout. So, we multiply 7 by 6 to obtain 42, which we then place in the payout under the number 5.To determine the new dividend coefficient value, add the two coefficients from the previous step. Because of this, 5 + 42 = 47.Repeat steps 4 and 5 as necessary to process all of the dividend's terms. The leftover is the last coefficient in the dividend, and together with the other coefficients, it makes up the quotient. In this instance, the remainder is 47 and the quotient is 6.So, (6x+5)/(x+7) is the divisor x+7 divided by the quotient 6 plus the remainder 47. Hence, we can write:
(6x+5)/(x+7) = 6 + 47/(x+7)
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A curve has the equation y= x² + ax + b, where a and b are numbers. The turning point of the curve is (5, 4). Work out the values of a and b.
The values of a and b are -10 and 29, respectively of the curve.
What do you mean by turning point of a quadratic curve ?
The turning point of a quadratic curve is the point at which the curve changes direction from going up to going down, or vice versa. It is also known as the vertex of the parabola. The x-coordinate of the turning point is given by -b/2a, and the y-coordinate is the value of the function at that point.
Finding the values of a and b :
Given that the turning point of the curve is (5,4), we can write the following equations:
[tex]4 = 5^2 + 5a + b[/tex] (since the turning point lies on the curve)
[tex]0 = 2(5) + a[/tex] (since the derivative of the curve at the turning point is 0)
Simplifying the second equation gives us:
[tex]a = -10[/tex]
Substituting this value of a in the first equation, we get:
[tex]4 = 5^2 - 50 + b[/tex]
[tex]b = 29[/tex]
Therefore, the values of a and b are -10 and 29, respectively.
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PLEASE HELPP!!
Given the Following hexagon
Calculate the missing angles.
e population of Matteson in t years can be m What is the population of Matteson now?
Cannot be determined
The population of Matteson can be calculated using the given formula: m(t) = 11410 + 220t. However, the current population of Matteson is not given in the question, so it cannot be calculated using the given formula. Therefore, the population of Matteson now cannot be determined based on the given information.
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Eighteen individuals are scheduled to take a driving test at a particular DMV office on a certain day, eight of whom will be taking the test for the first time. Suppose that six of these individuals are randomly assigned to a particular examiner, and let X be the number among the six who are taking the test for the first time. a. What kind of a distribution does X have (name and values of all parameters)?
b. Compute c. Calculate the mean value and standard deviation of X.
The distribution of X is a hypergeometric distribution, he probability that exactly 2 of the 6 individuals assigned to the examiner are taking the test for the first time is 0.317 and the mean value of hypergeometric distribution is 1.187.
a. The distribution of X is a hypergeometric distribution with the following parameters:
N = 18 (total number of individuals)
K = 8 (number of individuals taking the test for the first time)
n = 6 (number of individuals randomly assigned to a particular examiner)
b. The probability mass function of a hypergeometric distribution is given by:
P(X = x) = (K choose x) * ((N-K) choose (n-x)) / (N choose n)
So, for example, the probability that exactly 2 of the 6 individuals assigned to the examiner are taking the test for the first time is:
P(X = 2) = (8 choose 2) * (10 choose 4) / (18 choose 6) = 28 * 210 / 18564 = 0.317
c. The mean value of a hypergeometric distribution is given by:
E(X) = n * (K/N) = 6 * (8/18) = 2.667
The standard deviation of a hypergeometric distribution is given by:
SD(X) = sqrt(n * (K/N) * ((N-K)/N) * ((N-n)/(N-1))) = sqrt(6 * (8/18) * (10/18) * (12/17)) = 1.187
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A bank offers two interest account plans. Plan A gives you 6% interest compounded annually. Plan B gives you 13% annual simple interest. You plan to invest $2,000 for the next 4 years. Which account earns you the most interest (in dollars) after 4 years? How much will you have earned?
Answer:
Plan A
The formula is
A=p (1+r)^t
A=2,000×(1+0.06)^(4)
A=2,524.95 ( future value )
Interest earned=A-p
Interest earned=2524.95-2000
Interest earned=524.95
Plan B
Use the simple interest formula
I=prt
I interest earned?
P principle 2000
R interest rate 0.13
T time 4years
I=2,000×0.13×4
I=1,040
The Answer is
Plan B; $1,040
Step-by-step explanation:
Mrs. Smitherman is coordinating the third- and fourth-grade program. She wishes to arrange the children to the fewest number of rows that contain the same number of children. She also does not wish to mix be classes within a row. If there are 60 third graders and 48 fourth graders, how many children should be aced in each row? How many rows will be needed?
Answer:
Number of students in each row = 12
Total number of rows = 9
Step-by-step explanation:
We have to assume that each row can seat the same number of students
Find the GCF(greatest common factor) of 60 and 48 to find the number of students in each row
60 = 12 x 5
48 = 12 x 4
The GCF = 12
So there are 12 students per row
If there are 60 third-grade students they will occupy 60/12 = 5 rows
48 fourth grade students will occupy 48/12 = 4 rows
Therefore the total number of rows = 5 + 4 = 9 rows
Find the Primeter and area
For rectangle type books, the difference in the heights of their stacks of books is 15 3/4 inches.
What exactly is a rectangle?
A rectangle is a type of quadrilateral (a four-sided polygon) that has four straight sides and four right angles. It is a two-dimensional shape, meaning it lies flat in a plane, and is defined by its two sets of parallel sides, each pair of which are equal in length.
In a rectangle, opposite sides are parallel and congruent (equal in length), and adjacent sides are perpendicular (meet at a right angle). The diagonals of a rectangle bisect each other (divide each other into two equal parts) and are congruent.
The area of a rectangle is calculated by multiplying its length and width, while its perimeter is found by adding the lengths of all its sides. The area of a rectangle is A = l x w, where A is the area, l is the length, and w is the width.
Now,
To solve this problem, we need to first find out the height of Rick's stack of books. We know that his stack is 3 times as tall as Trevor's stack, so:
Rick's stack = 3 x Trevor's stack
Rick's stack = 3 x 7 7/8 inches
Rick's stack = 23 5/8 inches
Now that we know the height of both stacks, we can find the difference between them:
Difference = Rick's stack - Trevor's stack
Difference = 23 5/8 inches - 7 7/8 inches
Difference = 15 6/8 inches
Difference = 15 3/4 inches
Therefore, the difference in the heights of their stacks of books is 15 3/4 inches.
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enter your answer and show all the steps that you use to solve this in the space provided.
find the surface area of the cone. Use 3.14 for π height 7in diameter 8in and below it says drawing not to scale??
The surface area of the cone is 305.30 inches squared.
How to find the surface area of a cone?The height of the cone is 7 inches and the diameter of the cone is 8 inches. Therefore, let's find the surface area of the cone as follows:
surface area of the cone = πr(r + l)
where
r = radiusl = slant heightHence,
r = 8 / 2 = 4 inches
l² = 7² + 4²
l = √49 + 16
l = √65
l = 8.0622577483
l = 8.06 inches
Therefore,
surface area of the cone = 3.14 × 8.06(4 + 8.06)
surface area of the cone = 25.3154893297(12.06)
surface area of the cone = 305.304801316
surface area of the cone = 305.30 inches squared
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MNPQ is a rectangle. Find the value of x.
*
What point on the number line is one fourth of the way from the point 0 to the point −3? −0.25 −0.5 −0.75 −1
Answer: 0.75
Step-by-step explanation: Hope this helps :D
Answer: -0.75
Step-by-step explanation:
1/4th of the way to point 0,-3 from 0
-3/4=-0.75, therefore, the answer is C, -0.75.
(4^2)+6×(5^2)−(3^3)÷(3^2)=
Answer: (16)➕6✖(25)➖(9)
help please i really appreciate it
Answer:
B
Step-by-step explanation:
These triangles are similar. I need to know what x is.
The value of x as per the similarity of triangles is = 7.1.
What is similarity of triangles?If two triangles' sides have the same ratio or proportion and their angles are the same (corresponding angles), then the triangles will resemble one another (corresponding sides).
Similar triangles may have varied side lengths when compared individually, but they must all have the same ratio of their side lengths and equal angles.
Now in the figure, the triangles are similar.
So, sides of the triangles will be proportional to each other.
Now, 9/15 = 4.3/x
⇒ x = (4.3 × 15)/ 9
⇒ x = 7.1
Therefore, the value of x as per the similarity of triangles is = 7.1.
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Find the probability of obtaining exactly four tails when flipping four coins. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth
The probability of obtaining exactly four tails {( T,T,T,T)}, when flipping four coins is equals to the 1/16 = 0.0625.
Independent Events : If the result of one event does not influence the result of another event, then the events are referred to as independent. In other words, it can be said that both events can happen simultaneously without interference. Probability is defined as a chance of occurrence of an event. Let E be the event that exactly four tails when flipping four coins. As we know that, when One coin is flip, total outcomes = 2 = { H,T}
So, 4 coins flipped, total possible outcomes = 16
Probability of getting tail on flipping one coin = 1/2
That is exactly four tails when flipping four coins are independent events. Therefore, the probability of obtaining four tails in a row in 4 flips of a coin is the product of probability in 4 flips. Since each flipping of a coin is independent, so
the probability of obtaining exactly four tails when flipping four coins = P(X = 4)
=( 1/2)(1/2)(1/2)(1/2) = (1/2)⁴
= 0.0625
Hence, required probability is 0.0625.
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Which expression is equivalent to (4xexponent2yexponent3)exponent2?
Please refer to the photo attached
Answer:
Below
Step-by-step explanation:
You will need to multiply the exponents in the parens by 2 and square 4 so it is 16
16 x^(2*2) y^(3*2) = 16 x^4 y^6
(x + 2y ) 2 some one answer this please I need help
Answer:
x² + 4xy + 4y²
Step-by-step explanation:
(x + 2y )²
= (x + 2y) (x + 2y)
= x² + 2xy + 2xy + 4y²
= x² + 4xy + 4y²
So, the answer is x² + 4xy + 4y²
Trey and matt each have a rectangular prism the base if treys is 4 by 7 by 12 the base of matts prism is 6 by 10 by 3 whose rectangular prism will require more material to construct
Trey's rectangular prism will require more material to be constructed.
To determine which rectangular prism will require more material to construct, we need to calculate the surface area of each prism.
The surface area of a rectangular prism is given by the formula,
SA = 2×l×w + 2×l×h + 2×w×h
where l, w, and h are the length, width, and height of the prism, respectively.
For Trey's prism, the length is 12, the width is 7, and the height is 4. Therefore, the surface area of Trey's prism is:
SA of Trey = 2(12 x 7) + 2(12 x 4) + 2(7 x 4) = 336
For Matt's prism, the length is 10, the width is 6, and the height is 3. Therefore, the surface area of Matt's prism is,
SA of Matt = 2(10 x 6) + 2(10 x 3) + 2(6 x 3) = 192
Comparing the surface areas, we see that Trey's prism requires more material to construct since its surface area is larger than Matt's prism. Therefore, Trey's rectangular prism requires more material to construct than Matt's rectangular prism.
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In the table below, find the slope, y-intercept, and equation for each racer.
Hint: Time is going to be your independent x / the x-axis. Distance is going to be your dependent y / the y-axis.
Therefore , the solution of the given problem of slope comes out to be y = 15x + 10.
Explain slope.A line's steepness is determined by its slope. In gradient based equations, a situation known as gradient overflow can happen. One can determine the slope by dividing the sum of a run (width differential) and rise (climbing distinction) between two places. The equation with the hill variation, y = mx + b, is used to model the fixed path issue. where grade is mm, a = bc, and the line's y-intercept is situated; (0, b).
Here,
A racer:
Due to the fact that the race begins at the beginning, the y-intercept
is 0.
We can select any two locations from the table and use the following formula to determine the slope:
=> Slope Equals (Distance Change) / (change in time)
As an illustration, if we select the coordinates (1, 10) and (3, 40), we obtain:
=> slope = (40 - 10) / (3 - 1) = 30 / 2 = 15
As a result, Racer A's calculation is:
=> y = 15x
Runner B:
As an illustration, if we select the coordinates (1, 25) and (3, 55), we obtain:
=> slope = (55 - 25) / (3 - 1) = 30 / 2 = 15
As a result, Racer B's calculation is:
=> y = 15x + 20
Runner B
The race begins at a distance of 10 feet, so the y-intercept is 10.
We can select any two locations from the table and use the following formula to determine the slope:
Slope Equals (Distance Change) / (change in time)
As an illustration, if we select the coordinates (1, 35) and (3, 65), we obtain:
=> slope = (65 - 35) / (3 - 1) = 30 / 2 = 15
As a result, Racer C's equation is:
=> y = 15x + 10
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A square on the coordinate plane has vertices at (−5, 5), (5, 5), (5, −5), and (−5, −5). A dilation of the square has vertices at (−10, 10), (10, 10), (10, −10), and (−10, −10). Find the scale factor and the perimeter of each square
the perimeter of the original square is 40 units, and the perimeter of the dilated square is 80 units.
To find the scale factor of the dilation, we can compare the corresponding side lengths of the two squares. The distance between the points (-5,5) and (5,5) is 10 units, which is also the length of the side of the original square. The distance between the points (-10,10) and (10,10) is 20 units, which is the length of the side of the dilated square. Therefore, the scale factor is:
Scale factor = Length of dilated square side / Length of original square side = 20 / 10 = 2
This means that the dilated square is twice as large as the original square.
To find the perimeter of the original square, we can add up the length of each side. Each side of the square has a length of 10 units, so the perimeter is:
Perimeter of original square = 4 × length of one side = 4 × 10 = 40 units
To find the perimeter of the dilated square, we can use the same method. Each side of the dilated square has a length of 20 units, so the perimeter is:
Perimeter of dilated square = 4 × length of one side = 4 × 20 = 80 units
Therefore, the perimeter of the original square is 40 units, and the perimeter of the dilated square is 80 units.
Dilation is a transformation that changes the size of an object but leaves its shape unchanged. In this case, the dilation of the square resulted in a larger square that was similar to the original square, meaning that the corresponding angles in the two squares were equal. The scale factor of the dilation determined the ratio of the side lengths of the two squares, and the perimeter of each square was proportional to its side length. Dilations are used in geometry to create similar figures and to scale up or down an object in size.
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URGENT!!
3. Suppose ABC=EFG, and EG=7x-11, AB 5x -9. GF=3x-1 and AC=2x+4 . Find the value of x and the lengths of the sides of EFG.
Part I: Sketch the triangles below.
Part II: Use measures for AC and EG to find the value of x. Show your work.
Part III: Find the lengths of the sides of EFG. Show your work.
Part IV: Explain how to find the lengths of the sides of ABC.
Part II: Value of x=0
Part III: the lengths of the sides of EFG as EF = G = 11 and EG = -11.
Part IV: the lengths of the sides of ABC as AB = -9, GF = -1, and AC = 4.
What is value?Value can be used to find the solution to an equation or to compare two or more values.
Part II: To find the value of x, we need to use measures for AC and EG. We can use the equation AC = 2x + 4 to solve for x.
We can rearrange the equation to 2x = AC - 4, and then substitute in the value of AC, which is 2x + 4.
This gives us 2x = 2x + 4 - 4, or 0 = 0
x = 0.
Part III: To find the lengths of the sides of EFG, we can use the equation EF = G + 7x - 11.
Substituting in the value of x, which is 0, we get
EF = G + 7 * 0 - 11,
or EF = G - 11.
Since EG = 7x - 11, substituting in the value of x gives us
EG = 7 * 0 - 11,
or EG = -11.
So EF = G and EG = -11
Part IV: To find the lengths of the sides of ABC, we can use the equation AB = 5x - 9, substituting in the value of x as 0.
This gives us AB = 5 * 0 - 9,
or AB = -9.
Since GF = 3x - 1 and AC = 2x + 4, substituting in the value of x gives us GF = 3 * 0 - 1,
or GF = -1,
and AC = 2 * 0 + 4
or AC = 4.
So AB = -9, GF = -1, and AC = 4, giving us the lengths of the sides of ABC as AB = -9, GF = -1, and AC = 4.
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When women were allowed to become pilots of fighter jets, engineers needed to redesign the ejection seats because they had been originally designed for men only. The ACES-II ejection seats were designed for men weighing between 140LB and 211LB. Weights of women are now normally distributed with a mean of 165LB and a standard deviation of 45.6LB
a. If 1 woman is randomly selected, find the probability that her weight is between 140LB and 211LB
b. If 36 different women are randomly selected, find the probability that their mean weight is between 140LB and 211LB
The probability that the mean weight of 36 different women is between 140LB and 211LB is approximately 0.9874.
Is it possible for a random variable to have 0 probability across the board?There can only be one value for a random variable. A random variable's value could be zero with a probability of zero. A probability distribution's total probabilities are always equal to one.
a. We must convert the weight to a typical normal distribution using the following formula in order to determine the likelihood that a randomly chosen woman weighs between 140LB and 211LB.
z = (x - μ) / σ
If the weight x, the mean weight, and the standard deviation are all given. The probability can then be determined using a calculator or a typical normal table.
When x=140LB, we get:
z = (140 - 165) / 45.6 = -0.5461
x = 211LB results in:
z = (211 - 165) / 45.6 = 1.0096
The area under the standard normal curve between z = -0.5461 and z = 1.0096 is found to be roughly 0.6267 using a typical normal table or calculator.
Hence, the likelihood that a lady chosen at random weighs between 140LB and 211LB is roughly 0.6267.
b. We must normalise the sample mean to a standard normal distribution using the following method in order to determine the likelihood that the mean weight of 36 individual women is between 140LB and 211LB.
z is equal to (x - ) / (n / sqrt(n)).
When n is the sample size, x is the sample mean weight, is the mean weight, and is the standard deviation. The probability can then be determined using a calculator or a typical normal table.
To solve this issue, we have:
μ = 165LB
σ = 45.6LB
n = 36
If x = 140 LB, we get:
z = (140 - 165) / (45.6 / sqrt(36)) = -2.4994
With x = 211LB, we get:
z = (211 - 165) / (45.6 / sqrt(36)) = 2.4994
The area under the standard normal curve between z = -2.4994 and z = 2.4994 is found to be around 0.9874 using a standard normal table or calculator.
Hence, there is a roughly 0.9874 percent chance that the average weight of 36 individual women falls between 140LB and 211LB.
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