The owner of a used music store bought a compact disc for $4.70. When she sold it, her profit was $4.75. What was the selling price?This is probably really easy, but I don't really know so yeah

Answers

Answer 1

Answer: 9.45 just add the two numbers together =)

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The cost of renting a bicycle is $9 for the first hour plus another $4 for eachadditional hour. Which of the following represents this situation, where Cis
the total cost of renting a bicycle for h hours?

Answers

The missing choices are:

A. C = 9h + 4

B. C = 4h + 9

C. C = 4(h - 1) + 9

D. C = 13h

C = 4(h - 1) + 9 represents this situation ⇒ answer C

Step-by-step explanation:

The given is:

The cost of renting a bicycle is $9 for the first hour
Another $4 for each additional hour
C is the total cost of renting a bicycle for h hours

We need to find which of the following represents this situation

∵ The cost of renting a bicycle is $9 for the first hour

∵ Another $4 for each additional hour

∵ h represents the number of hours

- Add the cost of the first hour to the cost of the remaining hours

∵ The remaining hours = h - 1

∴ The cost of the remaining hours = 4(h - 1)

∵ C is the cost of renting the bicycle for h hour

- Add 9 to 4(h - 1) to find C

∴ C = 4(h -1) + 9

C = 4(h - 1) + 9 represents this situation

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A bank says you can double your money in 8 years if you put $2,000 In a simple interest account. what annual interest rate does the bank pay?

Answers

A = P*r*t
A = overall value
P = principal (initial value)
r = annual interest
t = time (in years)

Plug in what we have:
4000 = 2000*r*8
Simplify:
0.25 = r
The annual interest is 25%

Answer:

the correct answer is 12.5 percent

Step-by-step explanation:

What does it mean when the graph flattens out?

Answers

Answer:

when a graph has zero slope it means the domain has equal values of y coordinate that time graph is said to be flattens out.

Step-by-step explanation:

when a graph has zero slope it means the domain has equal values of y coordinate that time graph is said to be flattens out.

We can say that a graph which have zero slope is said to be flattens out.

hope it will help you.

When a graph is flat, all of the y values for the domain are equal, so the graph has a slope of zero.

Find the sales tax for 3 CD's, if each CD is $14.29 and the sales tax is 7.25%

Answers

Answer:

3 x 14.29 = 42.87 subtotal

42.87 x .0725 = $3.11 sales tax

Total is $ 45.98

Step-by-step explanation:

Savannah was paid $87 for 12 hours of babysitting and $65.25 for 9 hours. What is the constant of proportionality that describes this relationship? A) 0.14 Eliminate B) 7.25 C) 12.5 D) 65

Answers

answer is B) 7.25

$87 / 12 = $7.25 per hour

$65.25 / 9 = $ 7.25 per hour

A cereal box has a height of 32 centimeters. it has a base with an area of 160-square centimeters. What is the volume,in cubic centimeters, of the cereal box?

Answers

volume=legnth times widht times height
legnth times width=area of base
so
volume=area of base times height for a prism

area of base=160
height=32
volume=160 times 32
volume=5120

volume is 5120 cubic centimeters or
5120 cm^3

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Which graph shows y= (-5x) -4?

50 points!!!!!!A survey was conducted on the salaries of 20 randomly selected college graduates with degrees in the same subject area. Each person surveyed graduated within the same 5-year period. Ten of the people surveyed attended a private university, while the other 10 people surveyed attended a public university of roughly the same size.Private Public First Quartile $58,000 $35,000 Second Quartile (Median) $71,000 $42,000 Third Quartile $85,000 $54,000 Based on the samples, what generalization can be made?The top ten percent of both the private and public university graduates surveyed earned more than $60,000 annually.The interquartile range for public universities is $19,000 more than for private universities.The top twenty-five percent of both the private and public university graduates surveyed earned more than $50,000 annually.The interquartile range for private universities is $27,000 more than for public universities.