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nirvana33 [79]
3 years ago
9

What is an equivalent expression for 2x + 10x and 2(x-4) + x

Mathematics
1 answer:
tester [92]3 years ago
6 0
2x+10x combine like terms
12x
2(x-4)+4 Distribute 2
2x-8+4
combine like terms
2x-4
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julia-pushkina [17]
First solve for the trig function 'cot'
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Next take the sqrt of both sides (include plus/minus)
cot x = \pm \sqrt{3}

Now take reciprocal of both sides, this will change trig function to 'tan'
(cot = 1/tan)

tan x = \pm \frac{1}{\sqrt{3}} = \pm \frac{\sqrt{3}}{3}

Finally use the unit circle or inverse tan on your calculator to find x.
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x = \frac{\pi}{6}, \frac{5\pi}{6}, \frac{7\pi}{6}, \frac{11\pi}{6}
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7/22 rounded to the nearest thousand
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What is the gcf of 92 and 100
Elena-2011 [213]
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