th0master09
th0master09 th0master09
  • 03-05-2016
  • Mathematics
contestada

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

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 03-05-2016
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

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