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3 years ago

I need help on this question. Does anybody know how to do it??

Mathematics

1 answer:

marta [7]3 years ago

4 0

1/3 x 14
2/3 x 7
4/6 x 7
2/6 x 14
1/3 x 28/2
1/3 x 42/3

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Suppose a jar contains 11 red marbles and

Alina [70]

Answer:

There are 32 marbles. 11 are red. So odds of a red on the first are 11/32.

Now there are 31 marbles left. 10 are red. So odds of a red on the second is 10/31.

Probability both are red, just multiply …. 11/32x 10/31 = 110/992 or 0.111.

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2 years ago

50 points for this question

nekit [7.7K]

Answer:

50°

Step-by-step explanation:

50°+2x=150(vertically opposite angles)

x=50

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2 years ago

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The percent of increase is 16% if the new number is 522 find the original number

Travka [436]

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4 years ago

What is the measure of AC ? (First Picture)

kondaur [170]

Answer:

Part 1) $arc\ AC=33\°$

Part 2) $arc\ BC=130\°$

Step-by-step explanation:

Part 1) What is the measure of AC ?

we know that

The inscribed angle is half that of the arc it comprises.

$m$

substitute the values and solve for x

$2.5x+4=\frac{1}{2}(7x-2)$

$5x+8=(7x-2)$

$7x-5x=8+2$

$2x=10$

$x=5\°$

Find the measure of arc AC

$arc\ AC=7x-2=7(5)-2=33\°$

Part 2) What is the measure of BC ?

we know that

The inscribed angle is half that of the arc it comprises.

$m$

substitute the values

$65\°=\frac{1}{2}(arc\ BC)$

$2*65\°=(arc\ BC)$

$arc\ BC=130\°$

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3 years ago

7/15=x/45 find the missing value

steposvetlana [31]

Answer:

the answer to your question is 21

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3 years ago