ca1rp2keomgrayanani ca1rp2keomgrayanani

03-10-2016
Mathematics

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What is 6-4(6b 7)>122?

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olemakpadu olemakpadu

03-10-2016

Assuming the radical between 6b and 7 to be +.

6-4(6b + 7) >122

6 - 4*6b - 4*7 > 122

6 - 24b - 28 > 122

-24b > 122 + 28 - 6

-24b > 144 When you divide by a -ve number the inequality sign reverses

b < 144/-24

b < -6

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