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Sergeeva-Olga [200]
4 years ago
11

Please help! Explain and solve!​

Mathematics
1 answer:
choli [55]4 years ago
7 0

Answer:

a. You have chosen 20 ft for the perimeter.

b. l = 10 - w

Step-by-step explanation:

b. You are told to solve the formula for l. Presumably, you are to put your number in place of P.

  20 = 2l + 2w

  10 = l + w . . . . . divide by 2 (because we can. It simplifies the expression.)

To solve for l, we subtract w from both sides of the equation.

  10 - w = l + w - w

  10 - w = l . . . . . an expression for the length of the cage in terms of w

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