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Len [333]
3 years ago
15

What is 81 rounded to the nearest ten?

Mathematics
2 answers:
babunello [35]3 years ago
8 0

Answer:

80

Step-by-step explanation:

tekilochka [14]3 years ago
4 0

Answer:

80

Step-by-step explanation:

Think of it like a hill

Anything 5 and under goes to 0

Anything above 5 influences the next number

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Answer:

The expressions are not equivalent because -3(2)(5-4)+3(2-6)=-18 and -12(2)-6=-30

Step-by-step explanation:

Two expressions are said to be equal if after a number is substituted to the expression, they produce the same result (that is they have the same value).

To determine whether -3x(5-4)+3(x-6) is equivalent to -12x-6, we have to substitute the same number to the expression and see if it produces the same result.

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Substituting 2 to the second expression gives:

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