reganleigh00
31.01.2020 •
Mathematics
Marisol is painting on a canvas that has an area of 180 square inches. the length of the painting is 11/4 times the width. what are the dimensions ofthe painting
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Ответ:
The painting is 8.09 inches by 22.25 inches
Step-by-step explanation:
The canvas is a rectangle with a length and width. The width is x. The length is 11/4 times the width or 11/4 x. The area is found by multiplying the two.
A = l*w = x * 11/4 x
This simplifies to 11/4(x^2).
We know the area is 180. Set it equal and solve for x.
180 = 11/4(x^2)
180*4 / 11 = x^2
720/11 = x^2
65.45 = x^2
8.09 = x
This is the width. Substitute it in 11/4 x to find the length.
11/4 (8.09) = 22.25
Ответ:
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Step-by-step explanation: