alexis111890 alexis111890

24-09-2020
Mathematics

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The rectangle has a length of -2x + 10 and a width of 10. a) Find the area of the rectangle and simplify.

The rectangle has a length of 2x 10 and a width of 10 a Find the area of the rectangle and simplify class=

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mhanifa mhanifa

25-09-2020

Answer:

Area = -20x + 100
Perimeter = -4x + 40

Step-by-step explanation:

Given rectangle with

Length l = - 2x + 10
Width w = 10

To find

Area
Perimeter

Solution

A = lw
A = (-2x + 10)*10 = -20x + 100
P = 2(l +w)
P = 2( -2x + 10 + 10) = 2( -2x + 20) = -4x + 40

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