Mathematics, 30.01.2020 01:03, chloesmolinski0909
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when ella does 13 push-ups and 7 sit-ups, it takes a total of 60 seconds. in comparison, she needs 96 seconds to do 13 push-ups and 19 sit-ups. how long does it take ella to do each kind of exercise?
it takes ella seconds to do a push-up and seconds to do a sit-up.
Answers: 3
Mathematics, 21.06.2019 17:00, shayambros
How to solve a simultaneous equation involved with fractions?
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Mathematics, 21.06.2019 19:30, raytaygirl
Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?
Answers: 2
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when ella does 13 push-ups and 7 sit-ups, it takes a total of 60 seconds. in comp...
when ella does 13 push-ups and 7 sit-ups, it takes a total of 60 seconds. in comp...
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