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Pepsi [2]
3 years ago
11

3x (2•5) + 45= n What is n???

Mathematics
1 answer:
Julli [10]3 years ago
4 0
Since N  is unknown it's the answer so here are the steps:
1) 3*(2*5)+45=N
2) 3*10+45=N
3) 30+45=N
4) N=75
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twice the sum of the number and negative seven is eight. Find the number. Round your answer to the nearest integer, if necessary
Ugo [173]

The number that twice the sum of it and negative seven is eight is 11.

<h3>How to find the number ?</h3>

Twice the sum of the number and negative seven is eight. The number can be found as follows:

let

the number  = x

According to the word expression, twice the value of  the addition of x and minus seven is equals to 8. Hence, we will find the value of x in the equation formed from the words expression.

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3 0
11 months ago
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3 years ago
Change 2 21/9 to an improper fraction
ivanzaharov [21]

Answer: 13/3

Step-by-step explanation: TO turn a mixed number into an improper fraction, the best way is to multiply the denominator of the fraction by the whole number, then add the product to the numerator, then use that as the numerator of your new improper fraction, keeping the denominator the same.

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8 0
3 years ago
Read 2 more answers
-[8x+(6x+8)=8-(3x+7)
Bas_tet [7]

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the answer should be x=  -9 over 11

Step-by-step explanation:

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3 years ago
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