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Effectus [21]
3 years ago
10

There was 320 girls and 180 boys what is the percentage of girls

Mathematics
2 answers:
Troyanec [42]3 years ago
7 0

Answer:

64%

Step-by-step explanation:

% = [(number of girls)/(sum of boys and girls)] x 100

[320 / (320 + 180)] x 100% = 64%

vekshin13 years ago
7 0

Answer:

180/320 * 100% = .5625 * 100% = 56.25%

Step-by-step explanation:


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Explain how to find the exact value of sin(570°).
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Quick answer Sin(570) = - 1/2
Comment

570 as an angle contains 1 complete revolution of the terminal arm. The terminal arm begins at the origin and the other (in this case swings around until it records 570° turning around the x axis in an anticlockwise direction.

Anticlockwise means going from 12 o'clock to 9 o'clock to 6 o'clock then 3 o'clock and back to 12 o'clock.

What is 570° (∅) degrees equivalent to?
We keep on subtracting 360 until we get a number between 0 and 360 inclusive.

Written this way 0 ≤∅≤360
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Method
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sin(210°) = - 1/2 <<<<<<< Answer 
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3 years ago
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Ostrovityanka [42]
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5 0
3 years ago
P( x) =x^3-6x^2-5x-14 What is the remainder R when the polynomial p(x) is divided by (x-7)
Igoryamba

Answer:

The remainder is zero

Step-by-step explanation:

To find the remainder we will use the long division

\frac{x^{3}-6x^{2}-5x-14}{x-7}=x^{2}\frac{x^{2}-5x-14 }{x-7}⇒(1)

\frac{x^{2}-5x-14}{x-7}=x\frac{2x-14}{x-7}⇒(2)

\frac{2x-14}{x-7}=2⇒(3)

From (1) , (2) and (3)

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8 0
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