Mathematics, 30.04.2021 01:00 dierra09
Select the correct answer.
A school bus has 25 seats, with 5 rows of 5 seats. 15 students from the first grade and 5 students from the second grade travel in the bus. How
many ways can the students be seated if all the first-grade students occupy the first 3 rows?
OA. 25P20
O B.
5Ps * 20P15
O C. 15C15 * 10C5
D. 15P15 * 10P5
OE. 15P15* 10C5
Answers: 2
Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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Mathematics, 21.06.2019 18:30
Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made
Answers: 2
Select the correct answer.
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