Maria bought several post stamps and paid one dollar. There are stamps costing five cents, two cents, and one cent in the post office. She bought 10 times as many one-cent stamps as two-cent stamps, while the rest of the stamps she bought were five-cent stamps. How many one-cent stamps did Maria buy?

Answers

Answer 1

Answer: Maria bought 50 one-cent stamps.

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a parking garage charges $2 for the first hour and $1 for each additional hour. Fran has $7.50 to spend for parking. what is the greatest number of hours Fran can park?
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Is y = IxI a function? Explain.

Answers

Answer:

It is a function because there is one y value for any x value, and it passes the VERTICAL line test. Horizontal line test is for checking if it is one-to-one, which will tell you if the inverse is a function or not.

Find all the real square roots of 0.0064

Answers

√64 = 8

64÷1000 = 0.0064

8÷1000=0.0008

√0.0064 = 0.0008

What is 400 feet in 52.4 seconds

Answers

To find out how many feet in 1 second we have to divide;-

52.4 ÷ 400 = 0.131
0.131 feet per sec.

CHECK OUR WORK:-

0.131 × 400 = 52.4
We were RIGHT!!!

So, 0.131 feet per second.

Hope I helped ya!! xD

0.131 feet per second is the answer

to prove it , 0.131*400=52.4 before that it's 52.4/400=0.131

i hope this helps

A scanner scanned 72 photos in 8 minutes. If it scans photos at a constant rate, it can scan _____ photos in 23 minutes.

Answers

Answer:

im stuck on this to

Step-by-step explanation:

Answer:

1656

Step-by-step explanation:

The standard diameter of a golf ball is 42.67 mm. A golf ball factory does quality control on the balls it manufactures. Golf balls are randomly measured to ensure the correct size. One day, an inspector decides to stop production if the discrepancy in diameter is more than 0.002 mm. Which function could represent this situation?A. f(x ) = x – |42.67|
B. f(x ) = |x| – 42.67
C. f(x ) = |42.67 – x|
D. f(x ) = 42.67 – |x|

Answers

C. f(x ) = |42.67 – x|

Answer:

Step-by-step explanation:

This is because since the inspector wants the golf balls he makes to make no more than .002 away from the standard diameter,

You would subtract x from the standard diameter in the absolute value symbols to represent the distance away from the ball subtracted or added from 42.67

Advantages and disavadtages for paying with checks

Answers

Advantages: when its paying by check you can earn credit history
Disadvantages: Mishandling of account and exceeded expenses can cause a refund check and bad credit

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