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Elanso [62]
3 years ago
8

Which shows a correct simplification of sin(x + pi)?

Mathematics
2 answers:
Dima020 [189]3 years ago
5 0

Answer:

C

Step-by-step explanation:

Got it right on edge

Rufina [12.5K]3 years ago
5 0

Answer:

sin(x + Pi)

= sin(x)cos(Pi) + cos(x)sin(Pi)

= sin(x) · –1 + cos(x) · 0

= –sin(x)

Step-by-step explanation:

edge 2020/2021

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I’m studying for my Sat later in the month, and even using the answer key I don’t understand how to solve this question. Help?
shepuryov [24]

So with this equation, since the volume of the cylinder is 96 pi, plug that into the V variable, and since the radius of one of the marbles is 3, plug that into the r variable. From here, we can solve for x: 96\pi =24\pi +x(\frac{4}{3}\pi*3^3)

Firstly, solve the parentheses: 96\pi =24\pi +x(\frac{4}{3}\pi*27)\\ 96\pi =24\pi +x(36\pi)

Next, multiply 36 pi and x: 96\pi = 24\pi +36\pi x

Next, subtract 24 pi on both sides: 72\pi =36\pi x

Lastly, divide both sides by 36 pi, and your answer will be 2=x, or B.

4 0
4 years ago
If the domain of the square root function f(x) is , which statement must be true?7 is subtracted from the x-term inside the radi
SIZIF [17.4K]

The question was incomplete. Below you will find the missing content.
The square root function f(x) is x <= 7

Options are :

A. 7 is subtracted from the x-term inside the radical.
B. The radical is multiplied by a negative number.
C. 7 is added to the radical term.
D. The x-term inside the radical has a negative coefficient.

Option D is correct, which is : The x-term inside the radical has a negative coefficient.

Given, the domain of the square root function f(x) is x <= 7
Consider the function y = √x.
The domain of this function is x ≥ 0 and the range is y ≥ 0.
The expression inside the radical must be greater than or equal to zero.
Now, if x ≤ 7
x - 7 ≤ 0
7 - x ≥ 0
And the function y = √(7-x) will have the domain x ≤ 7.
This implies that the x-term inside the radical has a negative coefficient.
Therefore, the statement that the x-term inside the radical has a negative coefficient must be true.

Learn more about function here :

brainly.com/question/17043948

#SPJ10

7 0
2 years ago
Solve the following equation by completing the next two lines (showing all work )<br> X + 6 = 10
WITCHER [35]

Answer:

x=10-6

x=4

Step-by-step explanation:

for which level

6 0
3 years ago
Find the midpoint of the segment with the given endpoints.<br> (-7,- 9) and (-2,7)
Zina [86]

Answer:

I think the answer is go die and pls don’t forget to like this post

4 0
3 years ago
9 x {[14/2+(4-1)]-8}
valentina_108 [34]

Answer:

36

Step-by-step explanation:

order of operations

6 0
4 years ago
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