3 years ago

Sin2xcosx + cos2xsinx=-1/2

1 answer:

8 0

If you know the rule,

The left side is equal to sin(3x), which is equal to -1/2

So x = (12pi*n-pi) / 18, where n is any integer.

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olasank [31]

Answer:

Answer B: $1*10^2$ times

Step-by-step explanation:

To find how many times more massive is the whale relative o the polar bear, we just need to find the quotient of one over the other:

$\frac{7*10^4}{7*10^2} = \frac{7*10^2*10^2}{7*10^2}=1*10^2$ times

Therefore our answer agrees with the one shown as answer B.

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3 years ago

liberstina [14]

Answer:

18/5

Step-by-step explanation:

-3/2 * -5/4

Multiply the numerators

-3*-5 = 15

Multiply the denominators

2*4 =8

The fraction is 18/5

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Reika [66]

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Ede4ka [16]

Answer: the answer to number seven is x=3

Step-by-step explanation:

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Xelga [282]

4 2y 8384(678099.90807)

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4 years ago