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365371
12.12.2019 •
Mathematics
The perimeter of the picture frame is 38 inches. the width of the frame is 7 inches, what is the length?
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Ответ:
12 inches
Step-by-step explanation:
So you know that the perimeter of a picture frame (a rectangle) is 2 widths plus 2 lengths.
Let x= lengths and w= widths
From the question we already know that w=7, so we can set up an equation that says:
2x + 2w = 38
2x + 2(7) = 38
2x+14 = 38
2x +14 -14 = 38-14
2x = 24
2x/2 = 24/2
x= 12
Since x= lengths =12
the length of the frame is 12 inches.
Ответ:
I only have 2 brainliest so i need this to get extra points
Step-by-step explanation: