Mathematics, 31.07.2019 20:40 username999990
Two grandparents want to pick up the mess that their granddaughter had made in her playroom. one can do it in 15 minutes working alone. the other, working alone, can clean it in 12 minutes. how long will it take them if they work together?
Answers: 1
Mathematics, 21.06.2019 23:30
Consider the first four terms of the sequence below. what is the 8th term of this sequence?
Answers: 1
Mathematics, 22.06.2019 00:50
F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2
Answers: 2
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