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PolarNik [594]
4 years ago
9

Y varies directly as x and inversely as z. y=100 when x=5 and z=10. Find y when x=3 and z=60.

Mathematics
1 answer:
Vinvika [58]4 years ago
4 0

Answer:

10

Step-by-step explanation:

Formula you are going to use: y=\frac{kx}{z}

you will use k to help you resolve for y :)

  1. y=\frac{kx}{z}
  2. 100=\frac{5k}{10}
  3. 100=\frac{k}{2} (multiply by 2 to cancel the fraction)
  4. 200 = k

Now you will replace k with 200 :)

  1. y=\frac{kx}{z}
  2. y=\frac{3(200)}{60}
  3. y=\frac{600}{10}
  4. <u>y = 10</u>
  • Hope it helps you  :)
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