3 years ago

Using half-angle formulas, find the exact value of cos x/2 given the following constraints.

Mathematics

1 answer:

Neko [114]3 years ago

8 0

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galina1969 [7]

Answer:

$\large\boxed{x^2-6x+9+x^2+2x-15=2x^2-4x-6}$

Step-by-step explanation:

$x^2-6x+9+x^2+2x-15\qquad\text{combine like terms}\\\\=(x^2+x^2)+(-6x+2x)+(9-15)\\\\=2x^2-4x-6$

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3 years ago

Need help refer to picture

Mrrafil [7]

Answer:

-6x + 54y + 4.83 xy + 9.32

Step-by-step explanation:

line up like terms next to each other:

7x - 13 x + 18y + 36y + 4.83xy + 9.32

solve:

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3 years ago

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Please help on questions 1-5 on the bottom

Paul [167]

Answer:

Step-by-step explanation:

1.∠VUZ

2.alternate

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3 years ago

A small pizza has a diameter of 10 inches and cost 7.75 how many square inches of pizza are in a small pizza? what is the cost p

sukhopar [10]

The answer is 0.0987

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3 years ago

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if noah finish the race in 20 second and eliot finishes the race in 1/2 the time as noah how many seconds does it takes eliot to

Tems11 [23]

Answer: 10

Step-by-step explanation: If noah finishes in 20 seconds half of 20 would be 10 which is eliot's time.

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