Mathematics, 19.07.2020 01:01 shongmadi77
Derek had 104 more stamps than Ahmad. Derek then gave 1/9 of his stamps to
Ahmad. In the end, Derek had 4 times as many stamps as Ahmad. How many
stamps did Derek have at first?
Answers: 1
Mathematics, 21.06.2019 18:00
What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15
Answers: 1
Mathematics, 21.06.2019 22:00
The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.
Answers: 1
Mathematics, 22.06.2019 01:00
Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]
Answers: 1
Derek had 104 more stamps than Ahmad. Derek then gave 1/9 of his stamps to
Ahmad. In the end, Derek...
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