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MaRussiya [10]
2 years ago
11

If y varies inversely asx, and y = 33 when x = 7 what is the constant and what is value of y when x=11?

Mathematics
1 answer:
allsm [11]2 years ago
7 0

Answer:

We have that y = 21 when x = 11.

Step-by-step explanation:

We solve this question by proportions, using a rule of three.

Since they vary inversely, we apply the inverse rule of three, that is, with lateral multiplication instead of diagonal.

33 - 7

y - 11

So

11y = 33 -7

y - 11

Dividing both sides by 11

Y = 3 * 7 = 21

We have that y = 21 when x = 11.

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