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Sloan [31]
3 years ago
10

Solve.a 12-ft ladder is leaning against a building. the bottom of the ladder is 7 ft from the building. how high is the top of t

he ladder?

Mathematics
1 answer:
maksim [4K]3 years ago
6 0
The answer is 9.74.

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Solve x 3(x+1)=-2(x-1)-4
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Answer:

x= -1/3 or -2

Step-by-step explanation:

3x^2 +3x= -2x +2-4

3x^2 + 5x +2=0

by factorization method

3x(x+2) 1(x+2)=0

(3x+1)(x+2)

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3 years ago
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Prove the polynomial identity. (2x−1)2+2(2x−1)=(2x+1)(2x−1) Drag and drop the expressions to correctly complete the proof of the
Alex_Xolod [135]

Answer:

Step-by-step explanation:

Given expression is,

(2x - 1)² + 2(2x - 1) = (2x - 1)(2x + 1)

To prove this identity we will take the left hand side of the equation and will prove equal to the right side.

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How much time did Cole spend painting?
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1 and 11/12 hours I think
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