3 years ago

Find the exact value of cos210 using the unit circle

1 answer:

3 0

Cos 210° = cos ( 180° + 30° ) - cos 30° = - √3/2

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TiliK225 [7]

$P = 154\\a = 2b + 2$

a = ?; b = ?

$P = 2(a + b) = 2(2b + 2 + b) = 2(3b + 2) = 6b + 4$

$154 = 6b + 4\\6b = 154 - 4\\6b = 150\\b = 150 : 6\\b = 25$

$a = 2b + 2 = 2 * 25 + 2 = 50 + 2 = 52$

Answer: 25 and 52 m.

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3 years ago

larisa [96]

ah mn m sei fui muito cringe

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2 years ago

Kaylis [27]

Answer:

Factors of 35 = 1, 5, 7 and 35

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mario62 [17]

50 is a common number Broski

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3 years ago

Mashcka [7]

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Y=3x+12 (its the first option)

Step-by-step explanation:

I did the assignment.

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2 years ago