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Zielflug [23.3K]

3 years ago

15

A constuction crew is extending a highway sound barrier that is 13 miles long. That crew builds 1/2 of a mile per week. Write an

equation that represents the length y (in miles) of the sound barrier after x weeks.

1 answer:

dusya [7]3 years ago

8 0

The equation is y = 1/2 x + 13, where x is the number of days, and y is the length of the barrier

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Answer:

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Step-by-step explanation:

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Nataliya [291]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Harding and Jack found that 8 percent of their number was 72. What was their number?

Aneli [31]

I do believe that the answer is 900.
Steps:
I first set up a proportion, with 8/100 and 72/x (x being the number we are trying to find)
As I was taught, you multiply 100 by 72, which equals 7,200.
Then, I divided 7,200 by 8, which gave me 900.
This is what the proportion process should have looked like:
8/100 72/x
7,200/8
x=900
I hope this helps!

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3 years ago