0
Anonymous
7.5 x = 90
x = (90 / 7.5) = 12
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tan0.15
(3 * 3)(2 * 5) (9)(10) 90
set formula:15x +75 = 6xbring x to left side:15x - 6x + 75 = 09x = - 75x = - 75/9
no.. x equals 11
x = ab x = 21*37 x = 777