2 years ago

Choose the inequality that represents the following graph.

Mathematics

1 answer:

kumpel [21]2 years ago

3 0

Answer:

Option D. x ≥ -4

Step-by-step explanation:

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Trig, Coterminal angles... Which of the following are coterminal with -pi/4 ... (a) 7pi/4 (b)3pi/4 (c)-5pi/4) (d)-9pi/4 (e) pi/4

AveGali [126]

Correct answers are a) and d)

$\alpha=- \frac{\pi}{4} 
$

Coterminal angles: $\alpha+k\pi,\,k\in Z$

$- \frac{\pi}{4}+2\pi=- \frac{\pi}{4}+ \frac{8\pi}{4} = \frac{7\pi}{4}
\\
\\- \frac{\pi}{4}-2\pi=- \frac{\pi}{4}- \frac{8\pi}{4} = -\frac{9\pi}{4}$

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3 years ago

The legs of a right triangle measure 6 inches and 9 inches. If is the angle between the 6-inch leg and the hypotenuse, sin = ___

mr Goodwill [35]

First find the length of the hypotenuse using pythagorean theorem
<span>c^2 = 5^2 + 7^2
c^2 = 25 + 49
c^2 = 64
c=8 (take the square root in both sides)
Since sin = opposite/hypotenuse,
sin = 5/8 = 0.625</span>

3 0

2 years ago

What is the difference-6-(11)

Lana71 [14]

Answer:

-17

Step-by-step explanation:

So you take -6 and subtract another 11, that gives you negative 17.

Hope This Helps! If it doesn’t let me know and I can explain it more in depth.

7 0

2 years ago

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