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LenKa [72]
3 years ago
9

HELP !!!! picture is shown GEOMETRY

Mathematics
1 answer:
kenny6666 [7]3 years ago
8 0
The right triangle is also Isosceles. It has two equal angles of 45°.

(hypotenuse)² = 2S²

4 = 2S² => S = √2

Therefore B is the correct answer.
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Find the general solution of <img src="https://tex.z-dn.net/?f=2cos%282x%20%2B%20%5Cfrac%7B%5Cpi%20%7D%7B4%7D%20%29%20%3D%20%5Cs
Aleks04 [339]

Answer:

\large\boxed{x=-\dfrac{\pi}{4}+k\pi\ \text{or}\ x=k\pi\ \text{for}\ k\in\mathbb{Z}}

Step-by-step explanation:

2\cos\left(2x+\dfrac{\pi}{4}\right)=\sqrt2\qquad\text{divide both sides by 2}\\\\\cos\left(2x+\dfrac{\pi}{4}\right)=\dfrac{\sqrt2}{2}\to2x+\dfrac{\pi}{4}=\pm\dfrac{\pi}{4}+2k\pi\\\\2x+\dfrac{\pi}{4}=-\dfrac{\pi}{4}+2k\pi\ \vee\ 2x+\dfrac{\pi}{4}=\dfrac{\pi}{4}+2k\pi\qquad\text{subtract}\ \dfrac{\pi}{4}\ \text{from all sides}\\\\2x=-\dfrac{2\pi}{4}+2k\pi\ \vee\ 2x=2k\pi\qquad\text{divide all sides by 2}\\\\x=-\dfrac{\pi}{4}+k\pi\ \vee\ x=k\pi\ \text{for}\ k\in\mathbb{Z}

5 0
3 years ago
What is the least common mutipule of 12 and 16
marusya05 [52]

Answer:

48

Step-by-step explanation:

The LCM of 12 and 16 is 48.

12*4= 48

16*4= 48

3 0
2 years ago
Read 2 more answers
10x &gt; 14x + 8 (find the value of x)
AleksAgata [21]

Answer: The answer will be created shortly.

7 0
2 years ago
Read 2 more answers
Rachel earned 34$, 34 in 4 hours at her job today
forsale [732]
If you're asking how much she made per hour, it would be 8.5$
6 0
3 years ago
Read 2 more answers
2 Points
sergeinik [125]

Answer:

Step-by-step explanation:

x²+x²=14²

2x²=196

x²=196/2=98

x=7√2 ft

3 0
3 years ago
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