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Papessa [141]
3 years ago
8

What is the length of BC? Round to the nearest tenth

Mathematics
1 answer:
Degger [83]3 years ago
7 0

Answer:

9.9

use the special triangle formula or use cosine to find BC

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A square has side lengths of (4x+5) inches.Write an expression to represent the perimeter of the rectangle.Then find the perimet
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Answer:

68 inches

Step-by-step explanation:

P = 2 (L + W)

P = 2(4x+5 + 4x+5)

P = 2(8x + 10)

P = 16x + 20

If x= 3

P = 16(3) + 20

P = 48 + 20

P = 68 inches

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3 years ago
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Step-by-step explanation:

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