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Which would the phrase "twice the sum of a number and three" look like as a variable expression? Question 9 options: a. 2n+3 b. 2(n+3) c. 2+ (2n+3) d. 2(2n-3)
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Which would the phrase "twice the sum of a number and three" look like as a variable expression? Question 9 options: a. 2n+3 b. 2(n+3) c. 2+ (2n+3) d. 2(2n-3)
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May 14, 2018
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Which would the phrase "twice the sum of a number and three" look
like as a variable expression?
Question 9 options:
a. 2n+3
b. 2(n+3)
c. 2+ (2n+3)
d. 2(2n-3)
Mathematics
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Matt Bryson
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1
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"twice the sum" means 2 times the sum of some numbers
"a number and 3" means n+3 if we rpresent the number as n
so
2 times (n+3)
2(n+3)
B is answer
Epynic
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May 19, 2018
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Epynic
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