2 years ago

Compound interest and how to graph the equation.

Mathematics

1 answer:

lesya [120]2 years ago

5 0

I think it’s A because it matches with the graph

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If y varies inversely as x and y is 2.5 when x is 6, what is y when x is 4? a. 3.75 b. 1.67 c. 0.1 d. 7.5 Please select the best

REY [17]

Because y varies inversely as x, therefore
$y= \frac{k}{x}$
where k = constant.

When x = 6, y = 2.5. Ther efore
$\frac{k}{6} = 2.5$
Cross multiply.
k = 6 x 2.5 = 15

The equation is
$y = \frac{15}{x}$

When x = 4, obtain
$y = \frac{15}{4}= 3.75$

Answer: a. 3.75

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3 years ago

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mario62 [17]

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3 years ago

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nexus9112 [7]

Answer: 7.08 cm2

Step-by-step explanation: