Mathematics, 06.11.2019 18:31, dinapearce6078
Multiple choice: select the best answer and click "submit." you need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 2x β 3y = 12 equation 1 β2x + y = 8 equation 2 a. add equation 2 to equation 1. b. multiply equation 2 by 3. then subtract the result from equation 1. c. add the left side of equation 2 to the left side of equation 1.
Answers: 3
Mathematics, 21.06.2019 14:10, uhhgray
Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?
Answers: 1
Mathematics, 21.06.2019 14:30, cameronrandom00
Youβre repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )
Answers: 1
Mathematics, 21.06.2019 21:00, millie54
Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?
Answers: 2
Multiple choice: select the best answer and click "submit." you need to solve a system of equation...
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