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Which numbers in the set of numbers make the inequality 1/2x+4>9 true? {0, 4, 9, 10, 11, 17} Select each correct answer.
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Dec 17, 2018
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Which numbers in the set of numbers make the inequality 1/2x+4>9 true? {0, 4, 9, 10, 11, 17} Select each correct answer.
Mathematics
middle-school
UcanDoIt
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Plug in each number
0: (1/2)*0+4 > 9
0+4>9
4>9-------Not true
4: (1/2)*4+4 > 9
2+4>9
6>9--------Not True
9: (1/2)*9+4 > 9
4.5+4 > 9
8.5 > 9-----Not true
10: (1/2)*10+4 > 9
5+4>9
9>9---------Not true
11: (1/2)*11+4>9
5.5+4>9
9.5>9-------Yes true
17: We already know this one is true from common sense hopefully.
So the only #s which were true are 11 and 17
Santhosh
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Dec 23, 2018
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Santhosh
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