Mathematics, 25.09.2020 05:01 emma4113
The average cost of a loaf of bread in 1950 was approximately 12 cents, and by 1990 the cost was about 70 cents. Which linear equation models the increase of the price of a loaf of bread? (Let x represent the number of years since 1900.)
Answers: 2
Mathematics, 21.06.2019 18:00
Solve this system of equations. 12x − 18y = 27 4x − 6y = 10
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Mathematics, 21.06.2019 18:50
Which expression shows the sum of the polynomials with like terms grouped together
Answers: 2
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, 21.06.2019 22:30
Ascientist places 24 cells in a petri dish. she knows the cells grow at an exponential rate, doubling in number every hour. how long will it take (in hours) for there to be 1100 cells in the dish? time to 1100 cells: 5.51832530 hours how long will it take to reach 110 cells? time to 110 cells : 2.1963972 hours what is the average rate of change in the number of cells between 9 hours and 11 hours? average rate of change: cells per hour what is the instantaneous rate of change after 7 hours? instantaneous rate of change: cells per hour note: you can earn partial credit on this problem.
Answers: 1
The average cost of a loaf of bread in 1950 was approximately 12 cents, and by 1990 the cost was abo...
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