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Ede4ka [16]
3 years ago
7

If x varies inversely as y and x=12 when y=9, find x when y=54

Mathematics
1 answer:
beks73 [17]3 years ago
3 0

Answer:

x = 72

Step-by-step explanation:

We set the two equal to each other

x = 12/y = 9 is equal to x/y = 54.

In order for 9 to get to 54, you have to multiply it by 6. Since you multiplied the denominator with 6, you have to do the same with the numerator. 12 times 6 is 72.

x = 72

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6 0
2 years ago
Read 2 more answers
The graph of a function f is shown. Use the graph to estimate the average rate of change from x = –2 to x = 0
vodomira [7]

Answer:

Average rate of change = 2

Step-by-step explanation:

Formula to get the rate of change of a function between x = b and x = a is,

Rate of change = \frac{f(b)-f(a)}{b-a}

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From the graph attached,

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Therefore, average rate of change = \frac{f(0)-f(-2)}{0-(-2)}

                                                          = \frac{4-0}{2}

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Average rate of change of the given function between x = -2 and x = 0 is 2.

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