3 years ago

Students at Westbrook middle school hold green team meetings

Mathematics

1 answer:

Tems11 [23]3 years ago

7 0

What’s the whole question???!

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Mr White can travel for 6 hours while taking 3 breaks of 10 minutes each. Once, he had to travel for 36 hours. How many minutes

alexgriva [62]

180 min

Explanation:

3 × 10 min = 30 min

In 6 hours, Mr. White takes a total of 30 min in breaks.

36 h = 6 h × 6

In 36 hours , there are 6 sets of 6 h .

Hence we can multiply the number of minutes in breaks taken in

6 h ours by 6 to obtain the number of minutes in breaks taken in 36 h ours.

30 min × 6 = 180 min

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3 years ago

Two cards are drawn without replacement from a standard deck of 52 playing cards. What is the probability of choosing a king and

STALIN [3.7K]

Answer:

0.0181 probability of choosing a king and then, without replacement, a face card.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Probability of choosing a king:

There are four kings on a standard deck of 52 cards, so:

$P(A) = \frac{4}{52} = \frac{1}{13}$

Probability of choosing a face card, considering the previous card was a king.

12 face cards out of 51. So

$P(B|A) = \frac{12}{51}$

What is the probability of choosing a king and then, without replacement, a face card?

$P(A \cap B) = P(A)P(B|A) = \frac{1}{13} \times \frac{12}{51} = \frac{1*12}{13*51} = 0.0181$

0.0181 probability of choosing a king and then, without replacement, a face card.

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3 years ago

Can you guys help me with Unit 3 mixed review???¿

Gwar [14]

7. 335*0.2=67

8. 4.5/0.6=7.5

9. A

Hope this helps!

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3 years ago

Kevin spent 10 hours doing homework last week. This week he spent 15 hours doing homework. He says that he spent 150% more time

agasfer [191]

No he is wrong because 75% more time would be spent doing homework

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3 years ago

Cassie has $20,000 in a savings account. The interest rate is 4% per year and is not compounded. How much interest will she lear

Mariulka [41]

Answer:

$24,000

Step-by-step explanation:

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3 years ago