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MArishka [77]
3 years ago
14

HELP WILL MARK YOU BRAINLIEST NO GUESSES PLZ!!!!

Mathematics
1 answer:
pishuonlain [190]3 years ago
6 0
Answer B is correct.

Hope this helped :)
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Questione Simplify Cosa + 2Cos(a +240")​
melamori03 [73]

Step-by-step explanation:

\cos(a)  + 2 \cos(a + 240)

\cos(a)  + 2 \cos(a)  \cos(240)  -  \sin(a)  \sin(240)

\cos(a)  + 2( -  \frac{ \cos(a) }{2}  +   \frac{ \sqrt{3} }{2}   \sin(a) )

\cos(a)  -  \cos(a)  +  \sqrt{3}  \sin(a)

\sqrt{3}  \sin(a)

If you graph the new identity, and the og identiy, they will be conciding graphs, so they are the same identity.

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2 years ago
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X 0 y was 30

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5 0
3 years ago
Over the summer, Delilah collected 75 books from her personal library that she had outgrown. She decided to donate them to the m
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she donated 9 books to hers

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3 years ago
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Hamburger buns come in packages of 8. Hamburger patties come in packages of 10.
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A. LCM

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C. Neil would buy 4 packages of hamburger patties and 5 packages of hamburger buns. He could make 20 burgers.

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3 years ago
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