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alekssr [168]
4 years ago
14

There are 100 runners entered in a marathon. How many different groups of three runners can finish in first, second, and third?

Mathematics
1 answer:
DIA [1.3K]4 years ago
4 0
Permutations and Every runner except for the one that was 1st could be 2nd hoep this helps
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Plzzz help me i will give brainlist i really need help
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Answer:

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Step-by-step explanation:

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4 years ago
Alicia has 32 stickers. this is 4 times as many as benita has. how many stickers does benita have?
nadya68 [22]
Because we know that Alicia has 32 stickers and this is 4 "times" as many as Benita has we have to do the opposite of multiplication to find how many stickers Benita has, which is division. So we take 32/4=8, giving us how many stickers Benita has.

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Answer: number two

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7 0
3 years ago
Nina and Krissy have to read different books for Ms. Lester's English class. Nina has read 32 pages of her 110-page book. Krissy
MAVERICK [17]

Answer:

78+55=k

Step-by-step explanation:

110-32=78

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5 0
3 years ago
Jina, Chang, and Kevin sent a total of 130 text messages over their cell phones during the weekend. Chang sent 3 times as many m
Ronch [10]

Answer:

Let the no. of messages Jina send be x.

No. of messages Kevin send=x-5

No. of messages Chang send=3(x-5)

=3x-15

x+(x-5)+(3x-15)=130

x+x-5+3x-15=130

x+x+3x-5-15=130

5x-20=130

5x=130+20

=150

x=150÷5

=30

No. of messages Jina sent=30

No. of messages Kevin sent=30-5

=25

No. of messages Chang sent=3(30)-15

=90-15

=75

8 0
3 years ago
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