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Leni [432]
3 years ago
6

Write an equation of the direct variation that includes the point (-10,-17)

Mathematics
1 answer:
lys-0071 [83]3 years ago
8 0

Answer:

C

Step-by-step explanation:

The answer should be y= 17/10x

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Slove for y show all your work 12y + 4 = 8y-12​
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Answer:

y = -4

Step-by-step explanation:

12y + 4 = 8y-12​

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Determine the maximized area of a rectangle that has a perimeter equal to 56m by creating and solving a quadratic equation. What
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Answer:

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Width of rectangle = 14 m

Step-by-step explanation:

Given:

Perimeter of rectangle is 56 m

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Solution:

A function y=f(x) has a point of maxima at x=x_0 if f''(x_0)

Let x, y denotes length and width of the rectangle.

Perimeter of rectangle = 2( length + width )

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Also, perimeter of rectangle is equal to 56 m.

So,

56=2(x+y)\\x+y=28\\y=28-x

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A = length × width

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Differentiate with respect to x

\frac{dA}{dx}=28-2x

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