REVIEW 11
You work 25 hours per week. You need to earn $240 to
cover your weekly expenses. Yo...
Mathematics, 14.05.2021 20:00 genesiloves
REVIEW 11
You work 25 hours per week. You need to earn $240 to
cover your weekly expenses. Your job as a dog walker
pays $10 an hour. Your job at the car wash pays $8 an
hour. How many hours must you work at each job to
earn $240?
Write a system of equations to represent the situation.
Solve the system.
Please I need help
Answers: 2
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Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
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