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3 years ago

List five numbers that have 3,5 and 7 as prime factors

Mathematics

2 answers:

Cloud [144]3 years ago

6 0

bulgar [2K]3 years ago

5 0

Five number that have 3 5 and 7 as prime factors are

105 210 315 420 525

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there is a ratio of 5 girls to 3 boys in the chorus.there are 24 boys in the chorus.how many girls are there

pshichka [43]

I think that the answer to this is 40 girls

24/3=8

8*5=40

hope this helps

3 0

3 years ago

Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is select

Blizzard [7]

Answer:

Probability is: $\frac{\textbf{13}}{\textbf{51}}$

Step-by-step explanation:

From a deck of 52 cards there are 26 black cards. (Spades and Clubs).

Also, there are 26 red cards. (Hearts and Diamonds).

First, we determine the probability of drawing a black card.

P(drawing a black card) = $\frac{number \hspace{1mm} of \hspace{1mm} black \hspace{1mm} cards}{total \hspace{1mm} number \hspace{1mm} of \hspace{1mm} cards}$ $= \frac{26}{52} = \frac{\textbf{1}}{\textbf{2}}$

Now, since we don't replace the drawn card, there are only 51 cards.

But the number of red cards is still 26,

∴ P(drawing a red card) = $\frac{number \hspace{1mm} of \hspace{1mm} red \hspace{1mm} cards}{total \hspace{1mm} number \hspace{1mm}of \hspace{1mm} cards}$ $= \frac{26}{51}$

Now, the probability of both black and red card = $\frac{1}{2} \times \frac{26}{51}$

$= \frac{\textbf{13}}{\textbf{51}}$

Hence, the answer.

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3 years ago

|a − b + c| , if a=−8; b=−5; c=1<br> please help thx brosuf

Arisa [49]

Answer:

$2$

Step-by-step explanation:

$|a - b + c| = | - 8 + 5 + 1| = | - 2| = 2$

8 0

3 years ago

Read 2 more answers

What is the distance between the points (-5, 10) and (-5, 2)?

Alona [7]

8 units hope I helped

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3 years ago

Julie pays for a meal at a restaurant with a $20 bill. Let c represent the cost of the food. The total cost includes a tip that

MAVERICK [17]

(c/5+c)-20 You divide the total cost by five to get the tip. You add that to the cost, and the tip and cost added together is the total cost. Subract that from a $20.00 bill and you have the answer! Hope this helps!

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3 years ago