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boyakko [2]
3 years ago
14

1. Sam is in charge of filling a rectangular hole with cement. The hole is feet long, feet wide, and feet deep. How much cement

will Sam need?
these are both seaperate questions just so you know

2.What is the volume of the rectangular prism?
Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
4 0
The volume is 446.4³ft.
Sam will need 446.4 cubic feet of cement.
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balu736 [363]

Option D: 10x^4+x^3-7x^2-2x+12 is the right answer

Step-by-step explanation:

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S = P_1+P_2\\= (2x^4+5x^3-8x^2-x+10) + (8x^4-4x^3+x^2-x+2)\\=2x^4+5x^3-8x^2-x+10+8x^4-4x^3+x^2-x+2\\

Combining like terms

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Option D: 10x^4+x^3-7x^2-2x+12 is the right answer

Keywords: Polynomials, sum

Learn more about polynomials at:

  • brainly.com/question/2116906
  • brainly.com/question/2131336

#LearnwithBrainly

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