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TEA [102]
3 years ago
7

Prove that:tan80°=2tan 70°+ tan10°​

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
8 0
Tan80=5.67
2tan70+tan10=5.67

So tan80=2tan70+tan10
inn [45]3 years ago
4 0

Answer:

kunjal brother answer is correct hope it's help you have a good day ☺☺ keep smiling be happy stay safe ☺☺

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Dan earns £8.30 per hour how much will he earn for 9 hours work
Nana76 [90]

Hey there!

\large\boxed{\$74.70}

The unit rate is 8.30 for every hour.

If he earns $8.30 an hour and works 9 hours, multiply 8.30 by 9.

8.30 x 9 = 74.70

Hope this helps!

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3 years ago
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Answer:

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Step-by-step explanation:

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Run a multiple regression where the dependent variable is ratings and the independent variables are star and fact. Use data from
Vanyuwa [196]

Answer:

See explaination

Step-by-step explanation:

See attachment for diagram

The r value is 0.373 (low). This implies a weak correlation between the dependent and independent variables for this sample.

The overall p- value for the regression model is 0.0017. This implies that at least one of the two independent variables (x1 or x2) in the model is significant predictor of the dependent variable y.

p- values for the both "Fact" and "Star" are < 0.05. This means both the independent variables are significant predictors of the "Rating" at 95% confidence level. The variable "Fact" is significant at 99% level of confidence also. This means the rating viewers award to a movie depends upon both the storyline (fact or Fiction) and the presence or absence of stars.

Expected rating for a fact based movie with no stars = 1.7991(1) + 1.2586(0) + 12.5685 = 14.37

Expected rating for a fiction based movie with a star = 1.7991(0) + 1.2586(1) + 12.5685 = 13.83

So, one may expect a fact based movie without any stars to get better ratings than a fiction based movie with one star.

7 0
3 years ago
If f(x)=x/2-2 and g(x)=2x^2+x-3, find (f+g)(x)
Lelu [443]
Hello : 
<span>If f(x)=x/2-2 and g(x)=2x^2+x-3, find (f+g)(x)
</span>(f+g)(x)= f(x) +g(x) = x/2-2  +2x²+x-3 = x/2 +2x²+x-5
(f+g)(x)= (x+4x²-2x-10) /2
(f+g)(x)= (4x²+3x-10)/2 = 2x²+3/2 x -5
4 0
3 years ago
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Show your work please no links please!:)
BabaBlast [244]

Answer:

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