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musickatia [10]
4 years ago
8

(x+9)(x_2 what is it

Mathematics
1 answer:
skelet666 [1.2K]4 years ago
4 0
(x + 9) (x - 2)
= x^2 + 7x - 18☺
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A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during
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Hello there!

The correct answer is D. 8.

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3 years ago
Find the angel of FPV
GaryK [48]

Answer:

I can not give an exact answer seeing that I do not have access to that assignment but here is what I have. :)

Step-by-step explanation:

Seeing that the angle between "V" and "R" is a 90 degree angle, I can use that to determine the answer for the angle of F,P,V. It is too high for a 45 degree angle and too short for an 80. I then noticed that R,P,Q is about a 40 degree and since there is a 90 degree angle at V,P,R, I can use that and say F,P,V is about a 60-75 degree angle. Hope this helped!  :D

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3 years ago
Bob buys 20 watermelons... <br> He eats 10. If x=x, what is the square root of 49?
vichka [17]
I know that the square root of 49 = 7 since 7 x 7 = 49. But the negative square root of 49 is -7.
8 0
4 years ago
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Factor the polynomial function over the complex numbers.
Bumek [7]

Answer:

[x - 1][x + 1][{x}^{2} + 4]

Step-by-step explanation:

Knowing that you have to find two numbers that when they differ to 3, they also multiply to −4, and those numbers are −1 and 4. So, after clearing that up, you will have this [since our degree of this polynomial function is 4]:

[{x}^{2} - 1][{x}^{2} + 4]

Then, since {x}^{2} - 1 is factorable, you will get this:

[x - 1][x + 1]

Finally, attach [{x}^{2} + 4] to the partially factored polynomial to get this:

[x - 1][x + 1][{x}^{2} + 4]

I am joyous to assist you anytime.

4 0
4 years ago
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zalisa [80]

Answer:

B. 7 people

Step-by-step explanation:

If you multiply 8x16 you get: 128. Then you subtract 135 from 128 and get: 7.  Therefore, 7 people will not be able to go if they only rent 16 minivans.

3 0
3 years ago
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