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Marina CMI [18]
3 years ago
14

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 am so sorry i forgot
Mathematics
1 answer:
torisob [31]3 years ago
5 0

Answer:

communtive property of multiplication

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Step-by-step explanation:

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The sum of 5 times a number and 8 is equal to 9
Irina-Kira [14]

Answer:

The unknown number is \frac{1}{5}

Step-by-step explanation:

Let's make the unknown number x.

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Let's write it mathematically.

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We are trying to find the unknown number, so let's remove all the numbers from the left side to find x. Minus 8.

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nataly862011 [7]

Answer:

Answer is 225.

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This can be split as per summation terms as

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sigma 2n can again be simplified by taking 2 outside

sigma 2n= 2 times sum of natural numbers of 1 to 15

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Hence final answer is

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Step-by-step explanation:


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