Mathematics Middle School

A manufacturer of jet engine harnesses has weekly production costs of C = 0.25x2 - 10x + 800 where C is the total cost (in dollars) and x is the number of units produced. What is the average rate of change in the cost per unit as the manufacturer increases the weekly production from 500 to 600 units?
A. $265 per unit
B. $274 per unit
C. $583 per unit
D. $848 per unit

Answers

Answer 1

Answer: A. $265 per unit

Related Questions

MIDDLE SCHOOL MATH DONT ANSWER IF YOU DONT KNO-
WILL GIVE BRAINLIEST

Answers

Answer:

Radius is 2.8 Circumference is 17.584 or 17.6 Rounded to the nearest Tenths

Step-by-step explanation:

1. Find circumference with the Formula C=πd

C=3.14 x 5.6

C=17.584 or 17.6 Rounded to the nearest Tenths

2. Radius is Always half of the Diameter.

5.6/2 = 2.8

2.8 is your radius.

3. If you want to check you work try the formula C=2πr to see if things checks out.

C=2 x 3.14 x 2.8

C= 17.584 or 17.6 Rounded to the nearest Tenths

Hope this Helps!

What is the sum of 2−5++?
Available Responses:
3x 2x -6y +6y -5y +5y -4y +4y

_____+_____

Answers

Answer:

3x-6y

Step-by-step explanation:

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Juan hires an electrician.
Juan pays a one-time fee of $30.
Juan also pays $45 for each hour the electrician works.
A. Write a function that can be used to find the total charge, c, Juan will pay when the electrician works, h, hours.
B. How much will Juan pay if it takes the electrician 6 1/2 hours to complete the job
1. Summarize the given situation in your own words. (What do you notice)
2. Explain: What is the essential information you can use to find the solution?
3. Find the solution.
4. Justify your answer is correct
Please help ASAP

Answers

Yur answer is 35.39y

35.39y I got it from the person above

Solve:
13/19 - (-1/19)
A. -12/19
B. -14/19
C. 14/19
D. 12/19

Answers

Answer:

c.14/19

Step-by-step explanation:

because math exists

Answer:

Step-by-step explanation:Any time you have a subtraction and a negitive right next to eachother, it means to add. So, you would add 13 and 1 to get 14, then keep the denominator 19 to get 14/19.

Plz help me on 8 and 9 plz answer and give and explanation I am supposed to show my work

Answers

Answer:

8) the ordered pair is a solution, 9) the ordered pair is not a solution

Step-by-step explanation:

8) if you plug in the values of x into the equation, which is 7, 7+9 equals to 16, which is the y value in the ordered pair

9) the same is for this question, if you plug in the x value into the equation, which is 5, 2(5)+8 is equal to 10+8 which is equal to 18. This isn't equal to the y value in the ordered pair

Answer:

8.) yes it is a solution because if plug in 7 for x and 16 for y you get 16=7+9 which equals 16

9.) No it is not a solutions because if you plug in 28 for y and 5 for x you 28=2(5)+8 and then when you multiply the 2 and the 5 you get 28=10+8 and 10+8 equals 18 and 28 and 18 are not equal

I hope this helped! :)))

15 POINTS HURRY PLEASE!!

Answers

Answer:

C is your answer

Step-by-step explanation:

An electronics company refurbishes ink-jet printers. The table shows the revenue produced for the number of units sold.
u (units sold How much revenue will be produced for 45 units? A $1,550 B $2,000 C $15,500 D $20,000. Explain and show your work.

the table:
u(units) 30, 32,34,36
R($000) 8,9,10,11

Answers

Answer:

The answer is C. $15,5k (Please mark me as the Brainliest

Step-by-step explanation:

1 unit is $500. Every $1000 is 2 units. Counting from 36 units ($11000) to 46 units, 11000 (36), 12000 (38), 13000 (40), 14000 (42), 15000 (44), 16000 (46). Since 45 is an odd number and 1 unit is $500, we take $15000 (44) and add $500 for 1 unit.

I need help with this please!

Answers

Answer:3/8

Step-by-step explanation:

Answer:

8/3

Step-by-step explanation:

Add all those up and you get 12.

Hope this helps!

3(q + 2) =
ANSWER ASAP

Answers

the answer would be 3q+6

what are the rules for multiplying negative integers

Answers

Answer:

Negative time a negative equals a positive!

Step-by-step explanation:

When you multiply two negative numbers or two positive numbers then the product is always positive. The same also goes for dividing negative integers.

negative + negative= positive
negative + positive = negative
positive + positive = negative

What value of Y makes the equation true ?

Answers

Answer:

y = -5/2 or -2.5

Step-by-step explanation:

3y + 4 = -y - 6

add y to both sides

4y + 4 = -6

subtract 4 from both sides

4y + 4 - 4 = - 6 - 4

4y = -6 - 4

4y = -10

divide both sides by 4

4y/4 = -10/4

y = -10/4

y = -5/2 or -2.5

5.
What are the slope and the y-intercept of the graph of the linear function shown on the grid?

Answers

Answer:

Step-by-step explanation:

Slope=rise/run

Y intercept is the where the line hits the y axis which is -1.5

Answer:

Slope: -1/4

y-intercept: -1.5

Step-by-step explanation:

First you do rise over run meaning you from the point (-2,2) you rise up 2 to reach the x axis which is where point -6,0 so you rise 2 points and run 6. since the line is negative it becomes -1/4 and y-intercept is where the line first touches the y-line which is -1.5. I hop this helps!

763 ÷ 5 = n.

Solve for n.
Question 3 options:

112 r 1

112 r 3

150 r 2

152 r 3

Answers

Answer:

the answer is 152 r of 3

Step-by-step explanation:

763÷5= 152 r3

Your answer is 152 r3

210=157-w

solve for w

Answers

W=367 because 210+157 is 367 so 367 minus 157 would be 210 so I think w=367. The equation is just written backwards

Answer:

-53=w

Step-by-step explanation:

210=157-w

Subtract 157 from both sides

53=-w

-53=w

In the 2016-2017 regular season, Stephen Curry scored 2322 points for the Golden State Warriors from 2 and 3 point shots. If Curry made a total of 999 2 and 3 point shots, how many of each type of shot did he take?

Answers

Answer:

675 2 point shots, and 324 3 point shots

Step-by-step explanation:

If all of them were 2 points, he'd have 1998 point. What number do you add to 1998 to get 2322? 324, so 324 3 pointers, the rest are 2 points

I like the question

Solve each system of equations
1.) 2x- 5y = 7

3x - y = -9

Answers

Answer:

x = -4, y = -3

Step-by-step explanation:

X = -4 y= -3
Explanation: hope this helps

* please mark Brainliest

Please help me with this. Do NOT steal the points because you need them, I will report you and brainly MIGHT take the points away.

Answers

Answer:

I'm pretty sure it a

Step-by-step explanation:

I'm super sorry if I'm wrong

The answer is A bc you have to divide the fractions. In order to divide you flip the 2nd fraction and multiply so 1/2 times 10/3 which is 10/6 and simplified that would be 1 and 2/3

Hope that helped :)

There are 21 girls and 12 boys in the chorus class. About what percentage of the boys is the girls in the class?

Answers

Answer:

57%

Step-by-step explanation:

21 girls

12 boys

12/21 = 57%

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

Answer:

there are 33% boys and 66% girls

Step-by-step explanation:

that is the only way you could divide that up

Complete the sentence and answer the question.

This graph has [strong,weak,no] linear association.
What type of correlation is shown in the graph?
[positive,negative,none]
i will give brainliest on who answers first!

Answers

Answer:

weak and negative edge 2020

Step-by-step explanation:

Answer:

B: weak

B: negative

Step-by-step explanation:

edg2021

helppppppppppppppppppppppppppppppppppppppppppppp

Answers

Answer:

0.008

and the way you do it is multiply 8×10 then you get 80 move the decimal to the left because it negative and that your answer

Amy took a trip to Mexico. Upon leaving she decided to convert all of his Pesos back into dollars. How many dollars did she receive if he exchanged 42.7 Pesos at a rate of $5.30 = 11.1 Pesos?

Answers

Answer:20.39

Step-by-step explanation:

This is the answer because 5.30/11.1=0.447 dollars per peso. Thus given 42.7pesos: Dollars = 0.447*42.7=20.39 dollars

20.30$ because 42.7/11.1 then u take that awnser and times it by 5.30

What is the slope-intercept form of the function described by this table?

x 1 2 3 4
y −2 −6 −10 −14
Enter your answers by filling in the boxes.

y = ? x + ?

Answers

y=mx+b is standard form for slope

Answer:

The answer is y = -4x + 2

Step-by-step explanation:

you're welcome

NEED HELP ASAP (please and thank you)

Answers

Answer:

800

Step-by-step explanation:

i dont know how to explain. i just did the math. hope this helps.

it wouldnt be 600 because thats 1/2 of 1200 not 2/3.

Answer:800

i put it wrong at first but its 800

Samuel buys office supplies for his home business. The office supplies cost $175.79before taxes. The sales tax rate is 8.25%.What is the amount of sales tax Samuel will pay?

Answers

$190.29 because $175.79 x 1.0825 is $190.29

Answer:

190.29

Step-by-step explanation:

The table below shows the federal income tax rate for wages earned for married couples.

Annual Income (Wages) Income Tax Rate
$0 to $18,150 10%
$18,151 to $73,000 15%
$73,001 to $148,850 25%
$148,851 to $226,850 28%
$226,851 to $405,100 33%
$405,101 to $457,600 35%
Over $457,600 39.6%

The Rodriguez Family earned $115,500 last year. How much did they pay in income taxes?
A. $28,875
B. $38,775
C. $25,726
D. $29,225

Answers

Answer:

Step-by-step explanation:

25% of 115,000 is 28,875

Hope this helps!

The answer us vm A or C

Find the function value: f(0.5) if f(x) = 8x - 12

Answers

x = 1.6

f = 0.5

0.5(x) = 8x -12

0.5x= 8x -12

subtract 8x from both sides

-7.5x = -12x

Divide by -7.5x, both sides

X=1.6

Can someone help me find the Slope to these to pleaseeee?

Answers

Answer:

Remember the slope formula:

m= y2-y1/x2-x1

11. (-1,3) (3,3)

= 3-3/3--1

= 0/4

m = 0

12. (1,3) (1, -2)

= -2-3/1-1

= -5/0

= undefined

For the future, know that the slope of horizontal lines is always zero and the slope of vertical lines is always undefined.

i would love to help but the pictures are supper blury so sorry:(

On a hot day, a football team drank an entire 50-gallon cooler of water and half as much again. How much water did they drink?
Group of answer choices

Answers

Answer:

Step-by-step explanation: Simple. 50/2=25, 25+50=75.

Answer:

75 gallons

Step-by-step explanation:

50+50/2=75

Question 4
Andrew buys 8 pounds of apples for $11.60. He wants to know and use the unit rate of the cost per pound.

True or False: Two pounds of apples costs more than $3.

1Points
A
True

B
False

Answers

b . false becauae first you divided 11.60 divided by 8 =1.45 then 1.45x2=2.9

B. It’s false so good luck I hope you got it

What is y=2x+5? And is it proportional?

Answers

Answer:

y=-5...................

-5 maybe i have no idea hope this helps!

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