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Tpy6a [65]
3 years ago
14

I really need to finish this by the end of today so could someone pls help me as fast as possible!!?

Mathematics
1 answer:
Elden [556K]3 years ago
5 0

Answer:

4

Step-by-step explanation:

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Solve for given variable​
Ilya [14]
X = 180 - 90 - 59 = 31
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3 years ago
When f(x) = 2x 2 + 3, find f(-3).<br> -15<br> 21<br> 39
notsponge [240]

Answer:

21

Step-by-step explanation:

f(x) = 2x^2 + 3

f(-3) = 2(-3)^2 + 3

f(-3) = 2(9) + 3

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What’s the correct answer for this question?
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D

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It would be a cone with a radius of 4 units rotating around y-axis.

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3 years ago
An angle, θ, is in standard position. The terminal side of the angle passes through the point (4, 5).
lara31 [8.8K]

Answer:

cos Θ = \frac{4}{\sqrt{41} }

Step-by-step explanation:

Given the angle passes through (4, 5 ) then the right triangle with sides 4 and 5 has hypotenuse h given by

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h = \sqrt{41}

In relation to Θ, 4 is adjacent and 5 is opposite, thus

cos Θ = \frac{adjacent}{hypotenuse} = \frac{4}{\sqrt{41} }

5 0
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