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3 years ago

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Probability question.

1 answer:

dimaraw [331]3 years ago

5 0

To find the probability that they are both aces, you will find the probability of them being aces in both cases and then multiply these together.

There are 4 aces in a deck of cards.

<u>4</u> <u>4</u>
52 x 52

You can factor out 4's all the way around to get
<u>1 </u> <u>1 </u> <u> 1</u>
13 x 13 = 169

The probability is 1/169 change of both being aces.

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pychu [463]

Answer:

68.8 sq. inches.

Step-by-step explanation:

The triangular surfaces have sides 2 in by 3 in by 4 in.

So, half perimeter, s = $\frac{2 + 3 + 4}{2} = 4.5$

So, the area of the triangular face is $\sqrt{s(s - 4)(s - 2)(s - 3)} = \sqrt{4.5 \times 0.5 \times 2.5 \times 1.5} = 2.9$ sq. inches.

Now, the total surface area of the right triangular prism will be (2.9 × 2) + 7(2 + 3 + 4) = 68.8 sq. inches. (Answer)

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Kipish [7]

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2 years ago

Read 2 more answers

Last week, there were 420 new subscribers to a Web site. This week, the number of new subscribers decreased by 5%. How many new

zlopas [31]

Answer:

x = 399 new subscribers

Step-by-step explanation:

Let 420 = 100%

x = 95%

420*95 = 100x

x = 420*95/100

x = 399 new subscribers

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2 years ago

Jose earned 15 points in a video game. He lost 40 points, earned 87 points, then lost 30 more points. Write and evaluate an expr

KIM [24]

(15-40)+(87-30)

-25+57

32 total points

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2 years ago

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Yuliya22 [10]

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3 years ago