2 years ago

Suppose y varies inversely as x. if x =-13 and y =100, find y when x = 5

1 answer:

7 0

The equation for an inverse or indirect variation is y = k/x. Fill in those value to first solve for k: 100=k/-13. Multiply both sides by -13 to get that k = -1300. Now use that k and the x value of 5 to solve for y: y = -1300/5. Divide that out to get that y = -260

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I'm struggling in this subject so if you'd give a step-by-step explanation that'd be great thx

defon

A. First you must start by plugging in your equation solve Y = 2(5) + 1 then you must simplify by solving your 2×5+ 1 and then you end up with Y equals 11

B. Again plug in your equation Y = 2(-5) + 1 then you must simplify by solving your 2×-5+ 1 and then you end up with Y equals -10+ one which simplifies to y = -9

I hope this helps

8 0

2 years ago

Read 2 more answers

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I'm guessing D, but no so sure.

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