$\cos\Theta=0.62\\\\\text{Use:}\ \sin^2\alpha+\cos^2\alpha=1\\\\\sin^2\Theta+(0.62)^2=1\\\\\sin^2\Theta+0.3844=1\ \ \ |-0.3844\\\\\sin^2\Theta=0.6156\to\sin\Theta=\pm\sqrt{0.6156}\\\\\sin\Theta_1\approx-0.78\ \vee\ \sin\Theta\approx0.78\\\\\Theta\in(0^o;\ 90^o),\ therefore\ \sin\Theta \ \textgreater \ 0\to\boxed{\sin\Theta\approx0.78}$

5 0

3 years ago

Please help! what is the measure of x?

Alexeev081 [22]

28°
Since KL and FG are perpendicular they create a 90° angle. 180-90-62=28

4 0

3 years ago

Find the next four terms of the sequence 5, 4, 9, 13, 22

Ganezh [65]

Hello,

It is the Fibonacci 's suit.

$u_1=5\\u_2=4\\u_3=u_1+u_2=5+4=9\\u_4=u_2+u_3=4+9=13\\u_5=u_3+u_4=9+13=22\\u_6=13+22=35\\u_7=22+35=57\\u_8=35+57=92\\u_9=57+92=149\\\\\\\boxed{u_{n+2}=u_{n}+u_{n+1}}\\$

8 0

3 years ago

Plz help 1-4 r true and false questions

serg [7]

1. False
2. True
3. False
4. False??

3 0

3 years ago

Read 2 more answers

Simplify the expression 6h+​(−8.7d​)−13+6d−3.3h. 6h+​(−8.7d​)−13+6d−3.3h=

Simplify the expression 6h+(−8.7d)−13+6d−3.3h. 6h+(−8.7d)−13+6d−3.3h=