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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asked Feb 17, 2017 215k views

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Colson · Answer 1 · 2017-02-23T16:06:59+0000

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

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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