Mathematics, 16.04.2020 18:40 des7900
Mira picked two numbers from a bowl. The difference of the two numbers was 4, and the sum of one-half of each number was 18. The system that represents Mira’s numbers is below.
x – y = 4
One-halfx + One-halfy = 18
Which two numbers did Mira pick?
10 and 8
18 and 4
20 and 16
40 and 32
Answers: 3
Mathematics, 21.06.2019 12:30
Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.
Answers: 1
Mathematics, 21.06.2019 21:10
Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?
Answers: 1
Mira picked two numbers from a bowl. The difference of the two numbers was 4, and the sum of one-hal...
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