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Harman [31]
3 years ago
5

Suppose that y varies inversely with x, and y=10 when x=2

Mathematics
1 answer:
yarga [219]3 years ago
6 0

Step-by-step explanation:

y=k/x

10=k/2

k=10×2

k=20

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Answer:

  1. 5/48, 3/16, .5, .75, 13
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  3. -3/4, -7/10, 3/40, 8/10
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Step-by-step explanation:

  1. 5/48 = 1.0291666666 | 3/16 = .1875 the rest is obvious
  2. 1/5 = .2 | 12/25 = .48 | 4/5 = .8
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A recipe calls for 2 1/2 Cups of flour and four eggs. If only three eggs are used, how many cups of flour should be used? Give y
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Answer:

Step-by-step explanation: write the equation in the form of a proportion

2 1/2 is to 4 as something is to 3

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Then, cross multiply 2 1/2 x 3 or

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Next cross multiply 4•X= 4X

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Divide both sides by 4.

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