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Please help me with these Algebra 1 questions?

1.) Solve the proportion: 5/x = 8/15

2.) Solve the proportion: x/9 = 4/x

3.) Solve the proportion: 4/(x+1) = 3/(x+2)

4.) Solve the proportion: x/(x+3) = (x-2)/x

5.) The variables x and y vary directly. Use

the given values to write an equation that relates x and y.

x = 5, y = 25

6.) The variables x and y vary directly. Use

the given values to write an equation that relates x and y.

x = 12, y = 4

7.) The variables x and y vary inversely. Use

the given values to write an equation that relates x and y.

x = 3, y = 6

8.) The variables x and y vary inversely. Use

the given values to write an equation that relates x and y.

x = 15, y = 5

Thanks in advance!

Update:

I need help as soon as possible! Every reliable answer helps! You don't have to answer all of them. I would truly appreciate it if you answered even just one of the questions. Thank you so much!

1 Answer

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  • 10 years ago
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    1) 9 3/8

    2) 6

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