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faltersainse [42]

3 years ago

8

The enrollment at Sonya's school is 109% of last years enrollment. What decimal represents this year's enrollment to last year's

.

2 answers:

Dominik [7]3 years ago

4 0

1.09 because all percents are divided by 100 to find the decimal

Alika [10]3 years ago

4 0

Answer:1.09

Step-by-step explanation:

Divide 109 from 100. Decimal point goes 2 points to the left.

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Solnce55 [7]

Answer:

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Step-by-step explanation:

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2 years ago

stepladder [879]

Answer:

i think it might be 0.43

Step-by-step explanation:

Just divide 13/30 and it should you you that proportion as a percentage I think! Sorry if I might've given you the wrong answer but just trynna help!

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Answer:

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Step-by-step explanation:

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algol [13]

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3 years ago

Find the exact value by using a half-angle identity.<br><br> tan seven pi divided by eight

murzikaleks [220]

9514 1404 393

Answer:

1 -√2

Step-by-step explanation:

$\tan(x/2)=\dfrac{1-\cos(x)}{\sin(x)}\\\\\tan\left(\dfrac{1}{2}\cdot\dfrac{7\pi}{4}\right)=\dfrac{1-\cos\dfrac{7\pi}{4}}{\sin\dfrac{7\pi}{4}}=\dfrac{1-\dfrac{1}{\sqrt{2}}}{-\dfrac{1}{\sqrt{2}}}=\boxed{1-\sqrt{2}}$

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3 years ago