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Black_prince [1.1K]
3 years ago
8

What is cos 60? A. B. C. 1 D. E. F.

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
7 0

Answer:

cos(60) is 1/2

This is a trivial unit circle problem. Cosine of 60 degrees is 1/2.

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I don’t know the answer to that one sorry
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V ≈ 5575.28  

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Find the number of combinations for choosing two people from six.
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Answer:

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Step-by-step explanation:

we know that

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Gekata [30.6K]

Answer: 14x^2-93xy+60y^2 Hope that helps!

Step-by-step explanation:

1. Expand by distributing terms

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2. Use the Foil method:(a+b)(c+d)= ac+ad+bc+bd

20x^2-80xy-12yx+48y^2-(3x-4y)(2x+3y)

3. Use the Foil method : (a+b)(c+d)= ac+ad+bc+bd

20x^2-80xy-12yx+48y^2-(6x^2+9xy-8yx-12y^2)

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5. Collect like terms (20x^2-6x^2)+(-80xy-12xy-9xy+8xy)+(48y^2+12y^2)

6. Simplify.

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