4 years ago

1 If 2x+2 = 32, then x =

Mathematics

1 answer:

VashaNatasha [74]4 years ago

5 0

The answer would be x=15

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4 years ago

Determine the measure of the unknown angle in each triangle

devlian [24]

Answer:

78 degrees

Step-by-step explanation:

If you look at it, 2 of the angels are the same- those angels are A and B- the angel we are looking for. Angel A is 78 degrees and if angel A and angel B are equal then angel B is also 78 degrees.

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3 years ago

What are all the exact solutions of -3tan^2(x)+1=0? Give your answer in radians.

goldenfox [79]

$\displaystyle\\
 -3\tan^2x + 1 = 0\\\\
 -3\tan^2x = -1\\\\
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\sqrt{\tan^2x} = \sqrt{\frac{1}{3}} \\\\
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\tan x = -\frac{\sqrt{3}}{ 3 }~~~\Longrightarrow~~x_2= \pi-\frac{\pi}{6} + k\pi = \frac{5\pi}{6} + k\pi,~~k \in N \\\\ 
$

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3 years ago

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3 years ago

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