doug26

26.03.2020 • 

Mathematics

While riding her bike to the ocean and back home 66 times, Christine timed herself at 65min65 min, 53min53 min, 56min56 min, 50min50 min, 63min63 min, and 56min56 min. She had set a goal of averaging 5757 minutes for her rides. How many minutes will she need to spend on her seventh ride to attain her goal?

Ответ:

sweatsierra

28.02.2023

Mathematics

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x+5=2x-7

-x=-12 /÷(-1)

x=12

JK = x+5

JK = 17

simple equations no need to know geometry

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