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EastWind [94]
3 years ago
5

Two computers working together can finish a search in 30 seconds. One of these computers can finish in 50 seconds. How long woul

d it take the second computer to finish the same search if it were working alone?
Mathematics
1 answer:
vivado [14]3 years ago
6 0
It would take the second computer 75 seconds because:

\frac{1}{30} - \frac{1}{50} = \frac{1}{75}
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Which of the following statements is true?
Inessa05 [86]

Answer: the number -5 is a real number

Real numbers are both negative and positive numbers. -5 is a negative number. Since real numbers include negative numbers, -5 is the answer.

Hope this helps!

7 0
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Anuhea has horses and ducks on her farm. There is a total of 15 animals. She counts a total of 36 animal legs.
LuckyWell [14K]

so whats the question?


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One hundred times the quantity two plus seven
Maslowich
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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
8 0
3 years ago
Read 2 more answers
The sum of two numbers is 57 The larger number is 15 more than the smaller number. What are the numbers?
mixas84 [53]
X+y=57
y=x+15
x+x+15=57
2x=42
x=21
y=21+15
y=36
5 0
3 years ago
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