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3 years ago

7

On the first math exam, 16 students received an A grade. On the second math exam,12 students received an A grade.what percentage

decrease is that?

1 answer:

Neko [114]3 years ago

8 0

Answer:

25%

Step-by-step explanation:

(16-12)/16=0.25

0.25×100=25

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Determine the equation of the circle graphed below.

Wittaler [7]

Answer:

(x - 6)^2 + (y + 4)^2 = 4

Step-by-step explanation:

formula for a circle

( x - h )^2 + ( y - k )^2 = r^2

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(6,-4) is center

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A 12 foot board is split into 5 equal pieces. Which expression shows the length of each piece

Molodets [167]

Answer:

Find out the which expression shows the length of each piece .

To prove

As given

A 12 foot board is split into 5 equal pieces.

Than

$Length\ of\ each\ piece = \frac{Total\ length\ of\ board}{Total\ number\ of\ pieces}$

Here

Total length of board = 12 foot

Total number of pieces = 5

$Length\ of\ each\ piece = \frac{12}{5}$

$Length\ of\ each\ piece = 2.4\ foot$

Therefore the length of each pieces is 2.4 foot.

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monitta

I can help answer if you could post a picture of the second map

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Answer:

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Step-by-step explanation:

I hope this help you

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