2. A rectangular prism has e flat surfaces . 3, A cone h as -flat surface. A cube has 요 flat surfaces.

1 answer:

6 0

All correct except that
cube has 6 flat surfaces, it's like a rectagular prism, but special

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scoundrel [369]

Answer:

x=-3,x=9

Step-by-step explanation:

x^2-6x-20-7=0

x^2-6x-27=0

x^2-(9-3)x-27=0

x^2-9x+3x-27=0

x(x-9)+3(x-9)=0

(x+3)(x-9)=0

x=-3,x=9

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Brums [2.3K]

Answ

Step-by-step explanation:

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Klio2033 [76]

A because it’s 8c+6-8c+6 minus

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nikklg [1K]

I think the answer is 2.

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