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3 years ago

11

Hello can you help me solve this problem? Thank you in advance. :))) "A roof in the shape of a cone has a diameter of 15 feet an

d a slant height of 18 feet. If one box of shingles covers 34 square feet and cost $27, how much will it cost to cover the roof in shingles?"

1 answer:

mihalych1998 [28]3 years ago

8 0

Answer:

__

7.933

Step-by-step explanation:

photo explains it use it

hope this helps ^^

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vesna_86 [32]

Answer:

$4x^2-16$

Step-by-step explanation:

-This is an addition/subtraction problem.

#We subtract the sum of the first two expression from the third expression:

$\#Add \ first \ two\\\\=3x^2 +4x+8 +2x^2-6x+3\\\\=5x^2-2x+11\\\\\# Subtract\ from \ the \ third\\=(9x^2-2x-5)-(5x^2-2x+11)\\\\=9x^2-2x-5-5x^2+2x-11\\\\=4x^2-16$

Hence, the expression $4x^2-16$ must be added to the first two.

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Answer:

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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