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lora16 [44]
3 years ago
7

Which represents the measures of all angles coterminal with a 400° angle?

Mathematics
2 answers:
amm18123 years ago
7 0

Answer:

c is the right answer on edge

Step-by-step explanation:

just did assn.

ozzi3 years ago
4 0
It’s c, for any integer,n
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Y = 3 sin2x, y = 0, 0 ≤ x ≤ π; about the x−axis
Dominik [7]
I assume you're revolving the region with those bounds about the x-axis, and supposed to find the volume.

Via the disk method,

\displaystyle\pi\int_0^\pi(3\sin2x)^2\,\mathrm dx=9\pi\int_0^\pi\sin^22x\,\mathrm dx

Recall the half-angle identity for sine:

\sin^2t=\dfrac{1-\cos2t}2
\implies\displaystyle\frac{9\pi}2\int_0^\pi(1-\cos4x)\,\mathrm dx
=\displaystyle\frac{9\pi}2\left(x-\frac14\sin4x\right)\bigg|_{x=0}^{x=\pi}
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8 0
3 years ago
Need help! question on picture.
Hatshy [7]

Answer:

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3 0
3 years ago
Find x to the nearest tenth.
Liono4ka [1.6K]
The correct answer is 18.7.

So I kind of went an indirect way but I can explain it all. I ignored the 15°. The box in the right correct means that angle is 90°. Since a triangle is always 180°, I subtracted 90 and 15 from 180. That gives you 75°. Now that you know that you can use tangent from SOH CAH TOA. So... tan75= x/5 which turns into 5tan75°. Plug that into a calculator and you get 18.66 which rounds to 18.7.

If you need anymore help I'm here. Hope I helped :) Good luck!
5 0
3 years ago
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Which function below is the inverse of f(x)=2x+3 over 5?
nadezda [96]
First you must grasp what an inverse function really is to make it simple on yourself.  If f(x) produces a point (x,y), the inverse function will produce (y,x). That is why it is an "inverse" function because it reverses the x and y coordinates.  With that out of the way, mathematically, you simply have to solve the function for the independent variable and then switch the variable labels.  Let f(x)=y=(2x+3)/5

y=(2x+3)/5  multiply both sides by 5

5y=2x+3  subtract 3 from both sides

5y-3=2x  divide both sides by 2

(5y-3)/2=x  now simply reverse the labels for the variables and you have the inverse function of f(x)

y=(5x-3)/2 so

f^-1(x)=(5x-3)/2
6 0
3 years ago
Use the expression 5(6 + 4x) to answer the following: Part A: Describe the two factors in this expression. (4 points) Part B: Ho
Tresset [83]

Answer:

Its B

Step-by-step explanation:

7 0
3 years ago
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