$a=10,b=6,A=30 \sqrt{2} 
\\
\\A=ah_a=ab\sin\theta
\\30 \sqrt{2} =10\times6\times\sin\theta
\\
\\ \sin\theta= \frac{ \sqrt{2} }{2} 
\\
\\ \theta=45^o
\\ \theta_1=180^o -\theta=180^o-45^o=135^o$

7 0

2 years ago

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What is the remainder when (x3 − 3x2 − 13x + 78) is divided by (x + 4)?

aksik [14]

x^2 - 7x + 15
_________________
(x+4)/ x^3 - 3x^2 - 13x + 78
- x^3 + 4x^2
----------------
- 7x^2 - 13x
- - 7x^2 - 28x
------------------
15x + 78
- 15x + 60
-------------
18

remainder = 18

7 0

2 years ago

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(x*y=1210)=(-55=x+y)

Romashka [77]

Evaluate
x⋅y, then set it equal to x+y.

X = y / y-1

8 0

2 years ago

Part of Sal's budget is shown. What percentage of his income goes toward savings?

ArbitrLikvidat [17]

Answer:

9.5%