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Dvinal [7]
3 years ago
10

Check all that apply. If cos = 15, then:

Mathematics
1 answer:
zalisa [80]3 years ago
4 0

Answer:

The exact value of cos(15°) is √(2 + √(3)) / 2.

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Simplify the expression 2(x + 7)(x2 – 3x – 6).
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If y is a positive integer, for how many different values of y is <img src="https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B144%5Cy%7D"
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2

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3 years ago
The ratio of blue jays to Robin's was 6 to 7. If there were 84 Robins, how many blue jays were there?​
Paul [167]

Answer:

72

Step-by-step explanation:

<em>Since the ratio of blue jays to robin's was 6 to 7 then if there were 84 robins how many blue jays were there.</em>

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<em>Thus, we can set up a proportion</em>

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<em>Now, we have to solve for x</em>

<em>x = 72</em>

<em>Hence, if there were 84 robin there would be 72 blue jays.</em>

<em />

<u><em>~lenvy~</em></u>

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