3 years ago

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Mathematics

1 answer:

love history [14]3 years ago

4 0

The answer is D.

Why?

Let's determine what the maximum and minumum will be, the least number is 12 and the maximum number is 53. Only data set D has the correct min and max.

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$tan(72)= \frac{y}{x} ; tan(55)= \frac{y}{2.2 + x}$
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We are to isolate x.
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$x=\frac{2.2tan(55)}{tan(72)-tan(55)}$
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Round up, then the answer would be D.

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