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dsp73
3 years ago
6

For an angle theta with the point (-5, -12) on its terminating side, what is the value of cosine?

Mathematics
2 answers:
Fantom [35]3 years ago
6 0
-5 is the adjacent side, -12 is the opposite side, the hypotenuse is 13
Cos = adjacent/hypotenuse
Cos = -5/13
The answer is C. 
FrozenT [24]3 years ago
4 0
The answer is C. .......................
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If f(x)=3^x+10x and g(x)=2x-4 find (f-g) (x) (urgent)
notka56 [123]

Answer:

(f - g)(x) = 3^{x} + 8x + 4

Step-by-step explanation:

(f - g)(x)

= f(x) - g(x)

= 3^{x} + 10x - (2x - 4) ← distribute parenthesis by - 1

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5 0
1 year ago
The Insure.com website reports that the mean annual premium for automobile insurance in the United States was $1,503 in March 20
stira [4]

Answer:

a) Option A)

H_{0}: \mu \geq 1503\\H_A: \mu < 1503

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Step-by-step explanation:

We are given the following in the question:

Population mean, μ = $1,503

Sample mean, \bar{x} = $1,425

Sample size, n = 25

Sample standard deviation, s = $160

We have to carry a hypothesis test that the mean annual premium in Pennsylvania is lower than the national mean annual premium.

a) First, we design the null and the alternate hypothesis

H_{0}: \mu \geq 1503\text{ dollars}\\H_A: \mu < 1503\text{ dollars}

b) Point estimate  of the difference between the mean annual premium in Pennsylvania and the national mean

Point estimate of difference =

Mean annual premium in Pennsylvania - National mean

\text{Point estimate} = \bar{x} - \mu = 1425 - 1503 = -78

Thus,

Point estimate of difference = -78

5 0
3 years ago
Pls help!!!
Lorico [155]

Answer:

Wouldn't the third term be 21?

7 0
2 years ago
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Step-by-step explanation:

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2 years ago
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pychu [463]

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1/8 and 1/12

Step-by-step explanation:

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