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DiKsa [7]
3 years ago
10

The drama club can wash 9 cars in 40 minutes.  At this rate, how many cars can they wash in 2 hours? Caution: turn hours to minu

tes!
Mathematics
1 answer:
Natali [406]3 years ago
6 0

Answer:

l am pretty sure the answer is 27

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Answer asap pls no wrong answers pls
Vlad1618 [11]

Answer:

(-1.1)

Step-by-step explanation:

i dont if is right just tring yo help

6 0
3 years ago
A card is drawn at random from a deck of 52 playing cards. Find the probability that the card drawn is:
melomori [17]

probability that the card drawn is:

  1. an ace or a king  = 0.1538
  2. a king or a diamond = 0.3269

<u>Step-by-step explanation:</u>

Here we have , A card is drawn at random from a deck of 52 playing cards. We need to find that Find the probability that the card drawn is:

  • an ace or a king

A deck of standard 52 cards contain four aces. There are four kings in a standard deck of playing cards. So ,we need to find probability that card drawn is either a ace or king i.e.

probability = \frac{Number-of-(ace+king)-cards}{total-number-of-cards}

⇒ probability = \frac{Number-of-(ace+king)-cards}{total-number-of-cards}

⇒ probability = \frac{8}{52}

⇒ probability = 0.1538

  • a king or a diamond

A deck of standard 52 cards contain four kings. There are 13 Diamonds in a standard deck of playing cards. So ,we need to find probability that card drawn is either a ace or king i.e.

probability = \frac{Number-of-(ace+king)-cards}{total-number-of-cards}

⇒ probability = \frac{Number-of-(ace+king)-cards}{total-number-of-cards}

⇒ probability = \frac{(13+4=17)}{52}

⇒ probability = \frac{(17)}{52}

⇒ probability =0.3269

Therefore, probability that the card drawn is:

  1. an ace or a king  = 0.1538
  2. a king or a diamond = 0.3269
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¿Cuál es el valor de 0.1561 redondeado a la décima más cercana?
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A0.15

Step-by-step explanation:

7 0
3 years ago
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