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rosijanka [135]
3 years ago
11

How do I solve P=2L+2W for L

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
7 0
You need to get L by itself. Keep in mind with equality problems that what you do to one side, you must do to the other.
Let me break it down for you.
P=2L+2W, -2w from both sides.
P-2W=2L, now divide the other side by 2.
1/2P-W=L
marin [14]3 years ago
4 0
P=2L+2W
2L=P-2W
L=P/2-(2W/2)
L=1/2P-W
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Answer:

cos57 = 0.5446

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Step-by-step explanation:

Given

cos 94\° cos 37\° + sin 94\° sin 37\°

Required

Determine the

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The given expression can be represented as follows;

cosAcosB + sinAsinB

Where A = 94 and B = 37

In trigonometry:

cosAcosB + sinAsinB = cos(A - B)

Substitute 94 for A and 37 for B

cos(A - B) = cos(94 - 37)

cos(A - B) = cos(57)

Hence, the angle is 57;

<em>Since 57 is not a special angle; I'll solve using a calculator</em>

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sin57 = 0.8387

tan57 = 1.5399

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