Mathematics, 02.06.2021 16:00 natalie2sheffield
Usain bolt is considered to be the fastest person on earth. He holds the record for the fastest 100 m (meters), which he ran in 9.8seconds) in 2009. We'll assume that Bolt ran the race at constant speed. Which of the following equations, where t represents time in seconds and d represents distance in meters, describe a greater speed than Bolts record-breaking in 2009?
Choose all answers that apply:
(Choice A)
A) d=10t
(Choice B)
B) d=10.2t
(Choice C)
C) d=10.4t
(Choice D)
D) d=10.45t
Answers: 3
Mathematics, 21.06.2019 15:00
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
Mathematics, 21.06.2019 18:10
What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23
Answers: 1
Mathematics, 21.06.2019 19:30
Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11
Answers: 1
Usain bolt is considered to be the fastest person on earth. He holds the record for the fastest 100...
Health, 24.10.2019 02:00
Mathematics, 24.10.2019 02:00
Biology, 24.10.2019 02:00
Mathematics, 24.10.2019 02:00
Mathematics, 24.10.2019 02:00
English, 24.10.2019 02:00
Mathematics, 24.10.2019 02:00
Biology, 24.10.2019 02:00