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tiny-mole [99]
2 years ago
9

Suzanna lays the books end to end and finds that the board is the same length as 21 books. How many centimeters long is the boar

d?
pls use step by step ty​
Mathematics
1 answer:
Sveta_85 [38]2 years ago
4 0

Answer:

Step-by-step explanation:

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A correction of "six less than twice the value of x" is
nordsb [41]

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2x-6

I don't know what you mean by correction, but that's in expression form.

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2 What is the constant in the expression 8x3 + 5 + 7x2 + 6x?<br> A 8<br> B 5<br> C 7<br> D 6
lys-0071 [83]
Answer:
D) 6
Step by step explanation:
6x is the coefficient the constants would be 8,3,5,7 and 2.

Coefficient is the number with a variable and a constant is a number on its own.

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3 0
3 years ago
Mr. Nice's backyard has an area of 225 square feet. What is the length of one side of his backyard?
Fittoniya [83]
  • Answer:

<em>C. 15 feet</em>

  • Step-by-step explanation:

<em>Area formula</em>

<em>A = l²</em>

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<em>l = 15 feet</em>

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