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alisha [4.7K]
3 years ago
8

Rewrite the formula to find w.

Mathematics
2 answers:
anyanavicka [17]3 years ago
6 0

Answer:  The required value of 'w' is 5 units.

Step-by-step explanation:  We are given the following formula:

P=2l+2w~~~~~~~~~~~~~~~~~~~~~~~(i)

We are given to find 'w' in units given that  P = 30 units and l = 10 units.

Substituting the values of 'P' and 'l' in equation (i), we get

P=2l+2w\\\\\Rightarrow 30=2\times 10+2\times w\\\\\Rightarrow 30=20+2w\\\\\Rightarrow 2w=10\\\\\Rightarrow w=5.

Thus, the required value of 'w' is 5 units.

andrezito [222]3 years ago
3 0
P = 2L +2W
P - 2L = 2W
(P - 2L)÷2 = W

If P = 30 and L = 10, substitute

W = (30 - 2(10)) ÷ 2
W = (30-20) ÷ 2
W = 10 ÷ 2
W = 5
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