Mathematics, 22.10.2020 07:01 stdntlogin3206
For 20 POINTS!! A train goes from Springfield, MA to Boston at a speed of 40 mph. On the return journey it moves at a speed of 80 mph. If the return journey takes an hour less than the outward journey, what is the average speed overall of the train?
Answers: 2
Mathematics, 21.06.2019 14:30
Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate
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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 17:30
Which of the following is true for the relation f(x)=2x^2+1
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For 20 POINTS!! A train goes from Springfield, MA to Boston at a speed of 40 mph. On the return jour...
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