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From the set {20, 38, 47}, use substitution to determine which value of x makes the inequality true. x - 9 > 29 a. 47 b.none of these c.38 d.20
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Feb 17, 2017
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From the set {20, 38, 47}, use substitution to determine which value of x makes the inequality true.
x - 9 > 29
a. 47
b.none of these
c.38
d.20
Mathematics
high-school
MrFisherman
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one way is to solve (it's easier)
x-9>29
add 9
x+9-9>29+9
x+0>38
x>38
just pick the numbers bigger than 38 as answer
47 is only number (38>38 is false)
answer is A
Colson
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Feb 23, 2017
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Colson
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