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Mariulka [41]
3 years ago
10

Suppose y varies directly as x, and Y=80 when x=16 . Which of the following statements is true?

Mathematics
1 answer:
liubo4ka [24]3 years ago
5 0
The following answer is B because it shows that it has to multiply the x - axis by the slope (5) to make sure that it can be equat to the y - axis.

y = 5x
y =5(16)
y = 80

(x, y) = (16, 80)
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Step-by-step explanation:

Let's call the unknown sides a and b. From the perimeter information (24 cm) we have:

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So now we can right the Pythagorean theorem as follows:

a^2 + b^2 = hypotenuse^2\\a^2 + (14-a)^2=10^2\\a^2+ 14^2-28\,a+a^2=100\\2\,a^2-28\,a +96=0\\2\,(a^2-14\,a+48)=0\\2\,(a^2-6\,a-8\,a+48)=0\\2(a\,(a-6)-8\,(a-6))=0\\2\,(a-6)\,(a-8)=0

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Answer:

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