floofio64 floofio64

22-02-2019
Mathematics

contestada

Write an algebraic expression to represent the phrase "The difference between tow times b and eleven"

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jimthompson5910 jimthompson5910

22-02-2019

Answer: 2b - 11

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Explanation

b = some unknown number (think of it as a placeholder or a box to put the number inside)

2*b = two times the unknown number b

2*b - 11 = difference of two times b and eleven

side note: 2*b is the same as 2b. The multiplication symbol is often dropped to save space.

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StrawberryPanda StrawberryPanda

22-02-2019

2b-11
b represents the unknown number.
Since it says ‘two times b’ before eleven, then the 2b comes first in the expression.

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