A company offers ID theft protection using leads obtained from client banks. Three employees work 40 hours a week on the leads, at a pay rate of $18 per hour per employee. Each employee identifies an average of 4,000 potential leads a week from a list of 4,800. An average of 7 percent of potential leads actually sign up for the service, paying a one-time fee of $90. Material costs are $1,300 per week, and overhead costs are $8,800 per week.

Calculate the multifactor productivity for this operation in fees generated per dollar of input.(Round your answer to 2 decimal places.)

Answers

Answer 1

The multifactor productivity for a given operation is 6.16 fees generated per dollar of input.

What is Break Even Point?

The Break Even Point, or the inflection point at which a corporation starts to make a profit, is the amount of output required for a company's revenue to equal its total costs.

First, we need to calculate the revenue generated per week:

Potential leads per week = 3 employees x 4,000 leads/employee/week = 12,000 leads/week

Actual sign-ups per week = 12,000 leads/week x 7% = 840 sign-ups/week

Revenue per week = 840 sign-ups/week x $90/sign-up = $75,600/week

Next, we need to calculate the input costs per week:

Labor cost per week = 3 employees x $18/hour x 40 hours/week/employee = $2,160/week

Material cost per week = $1,300/week

Overhead cost per week = $8,800/week

Total input cost per week = $2,160/week + $1,300/week + $8,800/week = $12,260/week

Finally, we can calculate the multifactor productivity:

Multifactor productivity = Revenue per week / Input cost per week = $75,600/week / $12,260/week = 6.16

So the multifactor productivity for this operation is 6.16 fees generated per dollar of input.

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Related Questions

What is the value of n in the list above?
(1) k < n
(2) The median of the numbers in the list is 10.

Answers

A correct answer is an option (C); both statements together are sufficient.

Although k < n, no details are given about the value of k or n; not sufficient.

Since the median of the numbers in the list is 10 and there are 5 numbers in the list, 10 is one of these 5 numbers. Hence, n = 10 or k = 10. If n = 10, then the value of n has been decided. However, if k = 10, then n can be any number that is 10 or less, so the value of n cannot be found out; not sufficient.

Taking (1) and (2) together, if k < n and the median of the list are 10, then 12 and 17 are to the right of the median and the list in ascending order is either 6, k, n, 12, 17 or k, 6, n, 12, 17. In this case, n is the middle number, and since the median is 10, n = 10.

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The complete question is:

Given the list k, n, 12, 6, 17, What is the value of n in the list above?

(1) k < n

(2) The median of the numbers in the list is 10.

Which option is correct?

A) Statement (1) alone is sufficient, but Statement (2) alone is not sufficient.

B) Statement (2) alone is sufficient, but Statement (1) alone is not sufficient.

C) Both statements together are sufficient, but neither statement alone is sufficient.

D) Each statement alone is sufficient.

write a system of two quadratic equations that has solutions of (-3,-3) and (3,-3)

Answers

One system of quadratic equations that has solutions of (-3, -3) and (3, -3) is:

x^2 + y^2 = 18

x + y = 0

You can check that for x = -3 and y = -3, the left-hand side of both equations is equal to the right-hand side, and the same is true for x = 3 and y = -3.

What is the distance between the points (21, 12) and (6, 12) in the coordinate plane?
A.
27 units
B.
15 units
C.
9 units
D.
7.5 units

Answers

Answer: B: 15

Step-by-step explanation: I hope this helps!

Solve the equation for all real values of x.
3 tan²x =√3 tanx

Answers

The trigonometric equation has the following roots: x₁ = ± i · π, x₂ = π / 6 ± i · π, where i are integers. (Correct choice: D)

How to solve a trigonometric equation

Trigonometric equations are equations that involve trigonometric functions. Trigonometric functions are periodic trascendent functions. In this problem we must determine the roots of a trigonometric equations by means of algebra properties and trigonometric formulas:

3 · tan² x = √3 · tan x

3 · tan² x - √3 · tan x = 0

tan x · (3 · tan x - √3) = 0

The roots of the equation are tan x = 0 or tan x = √3 / 3, whose angles are: x₁ = ± i · π, x₂ = π / 6 ± i · π, where i are integers.

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the 3x3x3 cube consists of 27 small cube.s some of the small cubes are removed. if you now look at the cube from the right, from above and from the front, you see the following: how many little cubes were removed?

Answers

The little cubes can be possible to remove in number of 18 cubes maximum.

What is cube ?

A cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. Viewed from a corner it is a hexagon and its net is usually depicted as a cross. The cube is the only regular hexahedron and is one of the five Platonic solids.

The original surface area is (3x3) x 6 = 54 units.

A unit cube has 6 units of area, so we need 9 cubes.

Remove all the cubes except the original eight corners and the center cube.

The 3×3×3 cube has a surface area of 6×3×3 square units. Taking the 27 smaller units and connecting them to form a single entity, the maximum exposed surface area per cube is 6 square units. If nine of these are connected vertex to vertex in any shape then the objective is achieved. So a maximum of 18 of the small cubes can be removed.

Hence , The little cubes can be possible to remove in number of 18 cubes maximum.

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the time needed to complete a final examination in a particular college course is normally distributed with a mean of 77 minutes and a standard deviation of 12 minutes. answer the following questions.

Answers

The probability of a student completing the final examination in less than 65 minutes is 13.45%.

The time it takes to complete a final examination in a particular college course is normally distributed with a mean of 77 minutes and a standard deviation of 12 minutes. This can be expressed mathematically as X~N(77, 12).

The probability of a student completing the final examination in less than 65 minutes can be calculated by using the Z-score formula:

Z = (x - μ) / σ

Where x = 65 minutes, μ = 77 minutes, and σ = 12 minutes.

Plugging these values into the formula, we get:

Z = (65 - 77) / 12 = -1.17

Using a Z-score table, we can find the probability of a student completing the final examination in less than 65 minutes, which is equal to 0.1345, or 13.45%. Therefore, the probability of a student completing the final examination in less than 65 minutes is 13.45%.

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Complete question :What is the probability of a student taking 90 minutes or less to finish the exam?

a box in a supply room contains 23 compact fluorescent lightbulbs, of which 8 are rated 13-watt, 9 are rated 18-watt, and 6 are rated 23-watt. suppose that three of these bulbs are randomly selected. (round your answers to three decimal places.)

Answers

If three bulbs are randomly selected, the probability that a) exactly 2 are 23 watts is 0.136, the probability that b) all are of the same type is 0.542 and c) there will be one bulb of each type is 0.244.

Here we have been given that out of 23 bulbs,

8 are 13 watt

9 are 18 watt

6 are 23 watt

now if three bulbs are randomly selected out of these, it can be done in

²³C₃ ways

a)

There are 6, 23 watts, and 17 bulbs that are not 23 watts.

Hence they can be chosen in

⁶C₂ X ¹⁷C₁ ways

Therefore the probability to get exactly 2 23 watt bulbs is

[⁶C₂ X ¹⁷C₁]/²³C₃

= [6 X 5 X 17 X 3 X 2]/[2 X 23 X 22 X 21]

= [3 X 5 X 17]/[23 X 11 X 7]

= 240/1771

= 0.136

b)

The probability that all three bulbs are of the same type will have three cases. Hence they can be selected in

⁸C₃ + ⁹C₃ + ⁶C₃ ways

Hence the probability will be

[⁸C₃ + ⁹C₃ + ⁶C₃]/²³C₃

= [(8 X 7 X 6) + (9 X 8 X 7) + (6 X 5 X 4)](3 X 2)/[23 X 22 X 21]

=  [(8 X 7 X 6) + (9 X 8 X 7) + (6 X 5 X 4)]/[23 X 11 X 7]

= [336 + 504 + 120]/1771

= 960/1771

= 0.542

c)

The probability to select one bulb of each type will be

[8 X 9 X 6]/²³C₃

= [8 X 9 X 6]/[23 X 11 X 7]

= 432/1771

= 0.244

d) Now if at least 6 bulbs need to be examined, hence

the probability will be 1 - probability that we need to check (1, 2, 3, 4, 5)

= 1 - (¹⁷C₀/23 + ¹⁷C₁/²³C₂ + ¹⁷C₂/²³C₃ + ¹⁷C₃/²³C₄ + ¹⁷C₄/²³C₅)

= 1 - (1/23 + 17/253 + 136/1771 + 136/1771 + 340/4807)

= 0.66

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Complete Question

A box in a supply room contains 23 compact fluorescent lightbulbs, of which 8 are rated 13-watt, 9 are rated 18-watt, and 6 are rated 23-watt. suppose that three of these bulbs are randomly selected. (round your answers to three decimal places.)

(a) What is the probability that exactly two of the selected bulbs are rated 23-watt?

(b) What is the probability that all three of the bulbs have the same rating?

(c) What is the probability that one bulb of each type is selected?

(d) If bulbs are selected one by one until a 23-watt bulb is obtained, what is the probability that it is necessary to examine at least 6 bulbs?

For the expression, write an equivalent expression that uses only addition.

Answers

The expressions using only addition are (a) 4x + (-7y) + (-5z) + 6 and (a) -3x + (-8y) + (-4) + (-8/7z)

How to determine the equivalent expression

Expression 1

From the question, we have the following expression that can be used in our computation:

4x - 7y - 5z + 6

When represented using only addition, we have

4x + (-7y) + (-5z) + 6

Expression 2

From the question, we have the following expression that can be used in our computation:

-3x - 8y - 4 - 8/7z

When represented using only addition, we have

-3x + (-8y) + (-4) + (-8/7z)

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In the triangles below, m
Triangle one has 3 sides
B, L, and T
Labeled 4 from B to L
5 from L to T
And 6 from B to T

Triangle two also has 3 sides
H, A, and M
Only A to M is labeled 10
The other sides don’t have numbers labeled.

The question is:

What is the length of HA?
A. 6 and 2/3
B. 8
C. 2 and 2/5
D. 15

Answers

Answer:

8

Step-by-step explanation:

so first you need to add by the fraction of 10 the the BASS of eletro power of 10¬ then you add the μ3 that is how you get 8

hello can u please answer these questions
a) Work out the minimum number of hikers who could have walked between 8 miles and 19 miles. b) Work out the maximum number of hikers who could have walked between 8 miles and 19 miles.​

Answers

The maximum and minimum number of hikers from the given frequency table are 17 and 4 respectively.

What is a frequency table?

One approach to display data is in a frequency table. To summarise bigger collections of data, the data are organised and counted. You can examine the distribution of the data across various values using a frequency table.

From the given frequency table, we can see that

Between 0 and 5 miles, there are 3 hikers

Between 5 and 10 miles, there are 4 hikers

Between 10 and 15 miles, there are 7 hikers

Between 15 and 20 miles, there are 6 hikers

Between 20 and 25 miles, there is only 1 hiker.

So the maximum number of hikers between 8 miles and 19 miles is the total number of hikers between 5 and 20 miles = 4 + 7 + 6 = 17

The minimum number of hikers who could have walked between 8 miles and 19 miles is 4 hikers.

Therefore the maximum and minimum number of hikers from the given frequency table are 17 and 4 respectively.

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Match the polynomial to its correct name g(x)=5x^3

Answers

Answer:

Step-by-step explanation:

46

Sandra saves 10% of her salary for retirement. This year her salary was $1,000 more than in the previous year, and she saved $5,000. What was her salary in the previous year?
Complete the equation. 0.10(x + ) = 5,000
Sandra's salary in the previous year was .

Answers

Sandra's last year salary was $24500

What is equation?

An equation is a mathematical statement that shows that two mathematical expressions are equal.

Given that, Sandra saves 10% of her salary for retirement. This year her salary was $1,000 more than in the previous year, and she saved $5,000.

Let her previous salary be x, then according to question,

10% of x + 10% of 1000+x = 5000

x / 10 + (1000+x) / 10 = 5000

x + 1000 + x = 50000

2x = 49000

x = 24500

Hence, Sandra's last year salary was $24500

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Predict how many times you will roll a number less than 5 if you roll a standard number cube 250 times.

Answers

If you roll a standard number cube, the times you will roll a number less than 5 if you roll a standard number cube 250 times is 167

How to solved for the prediction

Given that this is a cube since there are three faces with numbers less than 5 (1, 2, and 3)

The result of multiplying the probability by the number of rolls is the expected number of rolls that will be fewer than 5. The number cube is being rolled 250 times.

we would have 2 / 3 * 250

= 166.66667

this is approximately 167

Hence the number of times that we would predict for the number is 167 times.

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different between foreign policy during Tewodros,Menelik,and Yohannes and emperor Haileselassie​

Answers

During the first eighteen years of his rule, he spent most of his time defending his nation against attacks from Egypt, Italy, and the Mahdists.

What was Ethiopia's foreign policy under Emperor Yohannes? During the first eighteen years of his rule, he spent most of his time defending his nation against attacks from Egypt, Italy, and the Mahdists.Through the use of compromise and power-sharing, Yohannes was largely successful in pacifying the nation and growing his kingdom.In order to strengthen his kingdom and forward his reforms, he devised a daring foreign strategy in 1861.Queen Victoria of Great Britain was offered an alliance by Tewodros in 1862 to eradicate Islam.When the British rejected the plan, Tewodros imprisoned the British envoy and other Europeans. Tewodros waited for an answer but never received one.The Derg dictatorship was able to act in the same way because Haile Selassie's foreign policy for Ethiopia was essentially intended to keep him in power.

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PLEASE HELP ITS MY BDAY TOMORROW
At the end of each year, Theo gets his
house valued.
After one year, the starting value had
increased by 9%.
After two years, this new value had
decreased by 4% and the house was
valued at £758,640.
What was the starting value of the house?
Give your answer in pounds (£).

Answers

Therefore, the starting value of the house was £724,492.37 (rounded to two decimal places).

What is fraction?

A fraction is a mathematical expression that represents a part of a whole. It is expressed as two numbers separated by a line or a slash, with the number on top called the numerator and the number on the bottom called the denominator. The numerator represents the number of parts being considered, while the denominator represents the total number of parts in the whole. Fractions can be used to represent quantities such as lengths, distances, time, weight, and many other things in the real world. They are an important concept in mathematics and are used in a wide range of applications, from basic arithmetic to advanced calculus and beyond.

Here,

Let's denote the starting value of the house by x.

After the first year, the value increased by 9%, so the value became 1.09x.

After the second year, the new value decreased by 4%, so the value became 0.96(1.09x) = 1.0464x.

We know that this final value is £758,640, so we can set up an equation and solve for x:

1.0464x = 758640

x = 758640 / 1.0464

x ≈ 724492.37

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if 348 prospective college students are tested for their iq (assume normal distribution) approximately how many students' iq scores will be within either two standard deviations away from the mean (i.e 2 and -2)

Answers

Answer:

330 approximately.

Step-by-step explanation:

The percentage lying between 2 standard deviations is 95%.

So we have 348 * 0.95 = 330 approximately.

Rotate this image 180° clockwise around the point (–2, 1):

Answers

The rotation of the image given 180° clockwise around the point (-2, 1) gives the image in the second option.

What is Rotation?

Rotation is a kind of geometric transformation where a figure or point is rotated by a certain degrees about a given point.

The coordinates of the given image are :

(-1, 1), (-2, 1), (-1, 4) and (-2, 4).

Point of rotation is (-2, 1).

The points are not rotated around the origin.

To make it seem like around the origin, subtract the point of rotation from the points.

So the new points are :

(1, 0), (0, 0), (1, 3) and (0, 3)

Now rotate the image with the new coordinates around the origin 180° clockwise.

Rotation is -180°, which is equivalent to rotation of 180° counterclockwise.

Coordinates (x, y) when rotated 180° clockwise becomes (-x, -y).

New coordinates after rotation about origin are :

(-1, 0), (0, 0), (-1, -3) and (0, -3).

Now add the point of rotation (-2, 1) again.

Points are :

(-3, 1), (-2, 1), (-3, -2) and (-2, -2).

Image with these points is the second option.

Hence the required image is the second option.

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Complete each equation so that it has infinitely many solution


(Dont mind the exercise underneath)

(Brainliest to correct answer)

Answers

The equation with an infinite number of solutions is 12x-x+8+3x=14x+8.

What is equation?

An equation is a formula in mathematics that expresses the equality of two expressions by connecting them with the equals sign =. In its most basic form, an equation is a mathematical statement that shows that two mathematical expressions are equal. 3x + 5 = 14, for example, is an equation in which 3x + 5 and 14 are two expressions separated by a 'equal' sign. A mathematical equation that depicts the relationship between two expressions on opposite sides of the sign. It mostly consists of one variable and one equal to symbol. 2x - 4 = 2 is an example.

Here,

12x-x+8+3x=14x+8

The equation so that it has infinitely many solution is 12x-x+8+3x=14x+8.

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Line segment AB has endpoints A(-2,3) and B (2,1). Draw the line segment. Then draw the image of the line segment after a reflection over the x-axis.

Answers

The coordinates of the end points of the segment after the reflection over the x-axis are given as follows:

A'(-2,-3) and B'(2,-1).

The drawing is given by the image presented at the end of the answer.

How to apply the reflection over the x-axis?

The rule for a reflection over the x-axis is given as follows:

(x,y) -> (x, -y).

Meaning that the x-coordinate remains constant, while the y-coordinate is exchanged.

Hence, changing the signal of the y-coordinate, the endpoints after the reflection are given as follows:

A'(-2,-3) and B'(2,-1).

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The function y=f(x) is graphed below. Plot a line segment connecting the the points on f where x=5 and x=7. Use the line segment to determine the average rate of change of the function f(x) on the interval

Answers

Average rate of change is the change in the function per unit in a given interval. The average rate of change from x = 5 to x = 7  is -4.

What is the function?

A relationship between a group of inputs and one output is referred to as a function. In plain English, a function is an association between inputs in which each input is connected to precisely one output. A domain, codomain, or range exists for every function. Typically, f(x), where x is the input, is used to represent a function.

Given, The graph of y = f(x)

See attachment for the points on f(x) that links x = 5 to x = 7

The line segment is represented by a green line

To determine the average rate of change using the line segment; we have the following values.

When x = 5: y = 8

When x = 7: y = 0

So, the average rate of change (m) is:

m = Δy/Δx

Where:

Δy = y₂ - y₁

Δy = 0- 8

Δy = -8

Δx = x₂ - x₁

Δx = 7 -5

Δx = 2

So, we have:

m = Δy/Δx

m = -8/2

m = -4

Hence, the average rate of change from  x = 5 to x = 7  is -4

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Complete question:

they police use a speed gun to monitor one part of a highway. During one hour, 6 out of 25 Cars we're traveling above the speed limit. what percent of the Cars were traveling above the speed limit?
explain how you solved it:​

Answers

By taking a quotient we will see that the percent is 24%.

What percent of the Cars were traveling above the speed limit?

The percent will be given by the quotient between the number of cars that have a speed above the speed limit, and the total number of cars (and we multiply that by 100%)

There are 25 cars in total, and 6 of these have a speed above the speed limit, then the percent is:

p = (6/25)*100% = 24%

So 24 percent of the cars are travelling above the speed limit.

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ch 7- a student investigating study habits asks a simple random sample of 16 students at her (large) high school how many minutes they spent on their english homework the previous night. suppose the actual parameter values for this variable are m=45 minutes and sd=25 minutes. which of the following best describes what we know about the sampling distribution of means for the student's sample?

Answers

The standard deviation of the sampling distribution of the mean is d)3.75; the distribution is approximately Normal.

According to the Central Limit Theorem, when the sample size is large enough (typically n > 30), the sampling distribution of the mean will be approximately normal, regardless of the shape of the population distribution.

In this case, the sample size is 16, which is larger than 30, so we can assume that the sampling distribution of the mean is approximately normal.

The standard deviation of the sampling distribution of the mean (also known as the standard error) is given by:

σm = σ/ √n

where σ is the population standard deviation and n is the sample size.

Plugging in the given values:

σm = 15/ √16 = 15/4 = 3.75

So the standard deviation of the sampling distribution of the mean for the student's sample is 3.75 minutes.

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I need help with this (a. b. and c.)

Answers

Answer:

Step-by-step explanation:

a. To find the percentage of the weight limit that 33 pounds is, we can use the following formula:

(Weight / Weight Limit) x 100 = Percentage

So, for 33 pounds:

(33 / 60) x 100 = 55%

b. To find the percentage of the weight limit that 114 pounds is:

(114 / 60) x 100 = 190%

c. To find what weight is 95% of the limit, we can use the following formula:

Weight Limit x (Percentage / 100) = Weight

So, for 95%:

60 x (95 / 100) = 57 pounds

Therefore, 95% of the weight limit is 57 pounds.

Find the sum of the first 6 terms of geometric sequence 3, -6, 12, -24,...answer choicesO 63O -63O 66O -66

Answers

The sum of the first 6 terms of the geometric sequence 3, -6, 12, -24, ... is -3.

The first 6 terms of the geometric sequence 3, -6, 12, -24, ... can be calculated using the formula for the nth term of a geometric sequence:

[tex]a_n = a_1 * r^{(n-1)}[/tex]

where a_1 is the first term, a_n is the nth term, r is the common ratio, and n is the term number.

For the given sequence, a_1 = 3 and r = -2, so the first 6 terms can be calculated as follows:

[tex]a_2 = 3 * (-2)^{(2-1)} = -6\\a_3 = 3 * (-2)^{(3-1)} = 12\\a_4 = 3 * (-2)^{(4-1)} = -24\\a_5 = 3 * (-2)^{(5-1)} = 48\\a_6 = 3 * (-2)^{(6-1)} = -96\\[/tex]

The sum of the first 6 terms will be = 3 - 6 + 12 - 24 + 48 - 96 = -3

A geometric sequence is a number sequence in which the ratio of any two consecutive terms is always the same.

A geometric sequence has the following general form: a, ar, ar^2, ar^3,...,

where an is the first term of the sequence and r is the common ratio, which is a fixed number that represents the factor by which each term is multiplied to get the next term.

The formula for calculating the nth term of a geometric sequence is:

a_n = a * r(n-1) where n is the term number.

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mathematical models allow researchers to make different predictions by varying assumptions. which of the following parameters was an assumption varied by lima, valone,

Answers

Fitness increases with energy intake rate was an assumption varied by Lima, Valone, & Caraco (1985) in their model of squirrel food carrying

Now, According to the question:

A parameter is used to describe the entire population being studied. For example, we want to know the average length of a butterfly. This is a parameter because it is states something about the entire population of butterflies.

Fitness increases with energy intake rate varied by Lima, Valone and Caraco (1985) in their model of squirrel food carrying.

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The given question is incomplete, complete question is:

Mathematical models allow researchers to make different predictions by varying assumptions. Which of the following parameters was an assumption varied by Lima, Valone, & Caraco (1985) in their model of squirrel food carrying?

anna buys bananas grapes and apples she buys twice the amount of bananas as grapes she buys 2 more pounds of apples than grapes all together anna bought 14 pounds of fruit how many pounds of each fruit did she buy

Answers

The amounts of each fruit that Anna bought is given as follows:

Bananas: 6 pounds.Grapes: 3 pounds.Apples: 5 pounds.

How to obtain the amounts?

The variables for the system of equations are given as follows:

Variable x: amount of bananas.Variable y: amount of grapes.Variable z: amount of apples.

She buys a total of 14 pounds, hence:

x + y + z = 14.

She buys twice the amount of bananas as grapes, hence:

x = 2y.

She buys 2 more pounds of apples than grapes, hence:

z = 2 + y.

Then the amount of grapes can be obtained as follows:

x + y + z = 14.

2y + y + 2 + y = 14

4y = 12

y = 3 pounds.

Then the remaining amounts are given as follows:

x = 2y = 6 pounds.z = y + 2 = 5 pounds.

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Determine any point(s) of intersection of the equations algebraically. Then use a graphing utility to verify your results. y = x^2 - x + 1

Answers

The point of intersection will be the x, and y coordinates where the two lines cross.

To determine the point(s) of intersection algebraically, we need to find the solutions of the system of equations:

y = x² - x + 1

We can re-arrange the equation to solve for x:

x² - x + 1 - y = 0

We can then use the quadratic formula to find the solutions:

x = (1 ± √(1 - 4(1)(-y)))/2

x = (1 ± √(1 + 4y))/2

Now we can substitute values for y to find the x-coordinates of the points of intersection.

To verify the results, we can use a graphing utility to graph both equations and visually see where they intersect.

The point of intersection will be the x, and y coordinates where the two lines cross.

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PLS HELP ALG 1 DUE TMR

Answers

The parabola opens up, Axis of symmetry = 5, The quadratic have two solutions, x = 2 and x = 8 and And the vertex is a minimum.

What is symmetry?

Any geometric shape is divided into two equal halves by the symmetry. For a quadratic equation in standard form, y = ax2 + bx + c, the axis of symmetry formula is given as x = -b/2a. The equation is x = h if the parabola is in vertex form, which is y = a(x-h)2 + k.

Axis of symmetry = -b / 2a

x = 10 / 2(1)

x = 5

As axis of symmetry is x = 5,

the parabola opens up

Given the equation is y = x² - 10x + 16

factorizing the equation,

x² - 10x + 16

x² - 8x - 2x + 16

x(x - 8) -2(x - 8)

(x - 2)(x - 8)

x = 2 or x = 8

There are 2 solutions of parabola.

From the given equation,

x² - 10x + 16

Using completing squares method,

⇒ x² - 10x + 16 + 25 - 25

⇒ (x - 5)² - 9

The value of vertex (h, k) = (5,-9)

The vertex is minimum.

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|3y - 7| - 10 = -5 solve for y:

Answers

Answer: y=1.25

Step-by-step explanation:

First things first you have to find what is in the bracket things (i don’t know what it’s called) So 3 - 7 is -4y but since it’s absolute it’s going to be 4y.

So now you’ve got 4y - 10 = -5. Your going to want to eliminate 10 so, subtract 10 to both sides giving you 4y = -5

Lastly to get y by itself you need to divide it by its self so, 4y divided by 4. Do it to both sides. This gives you…

Y = 1.25

Swimming Pool On a certain hot summer's day, 445 people used the public swimming pool. The daily prices are $1.75
for children and $2.50 for adults. The receipts for admission totaled $964.75. How many children and how many adults
swam at the public pool that day?

Answers

250 adults and 195 children swam at the public pool on that day.

What is the system of linear equations?

A system of linear equations is a set of two or more equations that contain two or more variables. The goal is to find the values of the variables that will satisfy all of the equations in the system.

This is a system of equations problem. We can start by using two variables, x for the number of children and y for the number of adults, and then set up two equations based on the information given.

The first equation is for the total number of people: x + y = 445

The second equation is for the total amount of money collected: 1.75x + 2.5y = 964.75

We can now use the first equation to solve for one of the variables in terms of the other, and then substitute that expression into the second equation.

x + y = 445

x = 445 - y

Now we substitute x = 445 - y into the second equation

1.75(445 - y) + 2.5y = 964.75

after solving this equation we get

y = 250

x = 195

Hence, 250 adults and 195 children swam at the public pool on that day.

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