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valkas [14]
2 years ago
12

What is the constant of proportionality?

Mathematics
2 answers:
Maksim231197 [3]2 years ago
5 0
Yes, y=5x is a direct variation and the constant of variation is 5 .
Rom4ik [11]2 years ago
3 0
This might be wrong but probably y= 0.5x ?
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Given isosceles trapezoid TRHY, in units what is the length of b2 if the height is 13 units, b1 is 21 units, and the area is 215
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We are given a trapezoid TRHY.

Height of the trapezoid = 13 units.

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We need to find the length of b2.

We know formula for area of a trapezoid.

A= \frac{1}{2} (b1+b2)\times h

Plugging values in formula.

215 = \frac{1}{2}(21+b2)× 13.

215 = 6.5(21+b2)

Dividing both sides by 6.5, we get

\frac{215}{6.5}=\frac{6.5(21+b2)}{6.5}

33.08 = 21+b2.

Subtracting 21 from both sides, we get

33.08-21 = 21-21+b2

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