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3 years ago

What number aa is 25% of 78/78?

1 answer:

5 0

The answer is solution for what is 25% of 78

78/x=100/25
(78/x)*x=(100/25)*x - we multiply both sides of the equation by x
78=4*x - we divide both sides of the equation by (4) to get x
78/4=x 
19.5=x 
x=19.5

The answer is 25% of 78=19.5

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Convert the polar representation of this complex number into its standard form z=4(cos150+isin150).

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Answer:

Step-by-step explanation:

Using the exact values

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sin150° = sin30° = $\frac{1}{2}$

Given

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= - 2 $\sqrt{3}$ + 2i , that is

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