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MGA20078
20.06.2020 •
Mathematics
The formula for the perimeter of a rectangle is p = 2 l + 2 w. Which is the equivalent equation solved for w? StartFraction P minus 2 l Over 2 EndFraction = w StartFraction P + 2 l Over 2 EndFraction = w P + l = w P minus l = w
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Ответ:
Correct option: first one
"StartFraction P minus 2 l Over 2 EndFraction = w"
Step-by-step explanation:
First we start from the perimeter equation:
P = 2*l + 2*w
Then, we need to solve for w, so we need to isolate it.
The first step is subtracting 2*l from both sides of the equation:
P - 2*l = 2*w
Then, we divide both sides by 2:
w = (P - 2l) / 2
So the correct option is the first one:
"StartFraction P minus 2 l Over 2 EndFraction = w"
Ответ:
57
Step-by-step explanation: