3 years ago

Solve using factoring

1 answer:

4 0

Answer: you can use Photomath

Step-by-step explanation:

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qwelly [4]

The double angle formula for the sine is

$\sin(2x) = 2\sin(x)\cos(x)$

The right hand side is exactly your expression, where $x = 31^\circ$

So, rewriting the expression from right to left, we have

$2\sin(31^\circ)\cos(31^\circ) = \sin(2\cdot 31^\circ) = \sin(61^\circ)$

6 0

3 years ago

Kisachek [45]

Answer:

$954

Step-by-step explanation:

900 x 0.06=

54+ 900=

954

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3 years ago

katovenus [111]

Step-by-step explanation:

its 60

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3 years ago

Volgvan

Answer:

she only needs to work ten hours

Explanation: if you subtract 45 from 115 you well end up with 70 a and if you work for ten hours 7 ×10=70 so you would have enough.

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3 years ago

olga nikolaevna [1]

Answer:

I think it is A) 1.625 x 10^4

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3 years ago