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Monica [59]
3 years ago
9

A family of two adults and three children went to a water park. Admission to the water park costs $18 per person. Nora used the

expression 2 (18) + 3 (18) to model the total cost for the family, and Alex used the expression 5 (18). Which property of operations makes both of their expressions correct? associative property commutative property distributive property identity property
Mathematics
2 answers:
horsena [70]3 years ago
5 0

Answer: distributive property

Step-by-step explanation:

5(18)=2(18)+3(18)

18(2+3) = 2* 18+ 3*18

18*5 =  2* 18+ 3*18

grandymaker [24]3 years ago
3 0

Answer: Distributive Property

Step-by-step explanation:

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3 years ago
Read 2 more answers
Is -8 - 2(3+2n)+7n equivalent to -30 - 13n​
soldi70 [24.7K]

Answer:

The terms are not equivalent

Step-by-step explanation:

-8 - 2(3+2n)+7n

Distribute the 2

-8 -6-4n+7n

Combine like terms

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4 0
3 years ago
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patriot [66]

Answer:

option D.

Step-by-step explanation:

average rate of change in steel production over the eight days=-0.15 tons per day

Step-by-step explanation:

The production rate of a steel factory is declining due to old machinery. Over the last eight days production has dropped by 1.2 tons.

Production is dropped by 1.2 tons, so its negative

Average rate of change = Change in production / number of days

Average rate of change = -1.2/ 8= -0.15

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6 0
3 years ago
Tyler’s brother works in a shoe store. The store was selling a pair of shoes for $80. They now are on sale for $50. What is the
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Answer:

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Step-by-step explanation:

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Answer:

$21.17

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