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lana [24]
3 years ago
7

HELPPPPPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Tems11 [23]3 years ago
7 0
A) 30
b) the length is 10
MaRussiya [10]3 years ago
4 0
Answers:

a) 7+13+10=30.

b) The length of the third side is 10.


Happy to help!! :)
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5 0
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Find EG
tresset_1 [31]
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elena-s [515]

Answer:

\theta=\pi +arcsin(\frac{3}{5})\approx 3.785\\\\\theta=2\pi -arcsin(\frac{3}{5} ) \approx 5.64  

Step-by-step explanation:

As you can see from the graph I attached you, the possible solutions in the interval from 0 to 2π are approximately:

\theta=3.7\\\\and\\\\\theta=5.7

So, it's useful to solve the equation too, in order to verify the result:

-2sin(\theta)=1.2\\\\sin(\theta)=-\frac{3}{5}

Taking the inverse sine of both sides:

\theta=\pi +arcsin(\frac{3}{5})\approx 3.785\\\\\theta=2\pi -arcsin(\frac{3}{5} ) \approx 5.64

Using this result we can conclude the solutions in the interval from 0 to 2π are approximately:

\theta\approx 3.785\\\\\theta \approx 5.64

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3 years ago
Suppose 8 books stacked on top of one another. Each book is 1 5/9 inches thick. How high is the stack of books?
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Answer:

Step-by-step explanation:

12.4

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Step-by-step explanation:

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