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olya-2409 [2.1K]
3 years ago
15

To the nearest whole degree, what angle measure has a sine of 0.9123

Mathematics
1 answer:
kakasveta [241]3 years ago
8 0

Answer:

<h3>66° has a sine of 0.9123.</h3>

Step-by-step explanation:

We are given value of sine trigonometric ratio = 0.9123.

We need to find the angle in degrees whose measure has a sine of 0.9123.

So, we need to find the value of sin^{-1}(0.9123).

On plugging sin^{-1}(0.9123) in calculator, we get

65.82°.

Now, we need to round it to the nearest whole degree.

Therefore, 65.82°≈ 66°.

<h3>Therefore, 66° has a sine of 0.9123.</h3>
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Answer:

1 year= $280

Step-by-step explanation:

30% of 400= 0.3 * 400= 120

400-120= 280

after one year the playstation cost 280

30% of 280= 0.3 * 280= 84

280-84= 196

after 2 years it cost $196

multiply the number by 0.3 to get 30% of the total

 

7 0
2 years ago
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Answer:

-1/7

Step-by-step explanation:

-3/2(x-2)=45/14

x-2=(45/14)/(-3/2)

x-2=(45/14)(-2/3)

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x-2=-15/7

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x=-1/7

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3 years ago
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Which statements about the graph of the function f(x) = –x2 – 4x + 2 are true? Check all that apply. The domain is {x|x ≤ –2}. T
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The graph of the function f(x) =-x^2-4x + 2 is parabola with branches going down in the negative direction of y-axis. 
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Then you can conclude that all x are possible, that means that the dimain is x\in (-\infty,\infty) and the maximum value of y is at the vertex, then the range is (-\infty,6].The function is increasing for x<-2 and decreasing for x>-2 (since vertex is the maximum point).
When x=0, y=2. 
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<span>The domain is {x|x ≤ –2} - false.
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<span>The range is {y|y ≤ 6} - true.
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<span>The function is increasing over the interval (–∞ , –2) - true.
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<span>The function is decreasing over the interval (−4, ∞) - false.
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<span>The function has a positive y-intercept - true.</span>









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