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Alik [6]
3 years ago
6

Only do the Evans, PLEASE HELP ME...

Mathematics
2 answers:
Solnce55 [7]3 years ago
8 0
14. t=d/r
15. m=e/c^2
16. c=-p+r
nataly862011 [7]3 years ago
8 0

Answer:

14. t = d/r

15. c=√ 2.718282 m  or c=−√ 2.718282 m

16. c=−p+r

17.  l = -1.570796w2+a/2w

18. v= 1 /3 bh

19. w=6g−40

Step-by-step explanation:

hope it helps

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\displaystyle\\
 -3\tan^2x + 1 = 0\\\\
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\tan^2x =  \frac{-1}{-3} \\\\
\tan^2x =  \frac{1}{3} ~~~~~ \Big|~\sqrt{~~~} \\\\
\sqrt{\tan^2x} =  \sqrt{\frac{1}{3}} \\\\
\tan x = \Big| \frac{1}{ \sqrt{3} } \Big|\\\\
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\tan x =  \frac{\sqrt{3}}{ 3 }~~~\Longrightarrow~~x_1=  \frac{\pi}{6} + k\pi,~~k \in N \\\\  
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