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nasty-shy [4]
3 years ago
13

If a car travels at a speed of 25mi/h for t hours, then travels 45 mi/h for m hours, what does 25t+45m represents

Mathematics
1 answer:
Kryger [21]3 years ago
4 0
Hey mate!
You stuck?

It shows the expression of the sum of the total miles per hour the car traveled.

Hope this helps! :)
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Anzelm wants to burn 540 calories while jogging. Jogging burns about 12 calories per minute. When Anzelm goes jogging, he usuall
kow [346]

Anzelm wants to burn 540 calories while jogging. Jogging burns about 12 calories per minute.

he usually plans to stop and rest for about 5 minutes.

m  represents the total minutes.

12 calories per minute.

for m minutes the calories burn is 12m

He stop and rest for about 5 minutes. so we need to subtract 5 from total minutes

So expression becomes 12(m-5)

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Now we solve for m , total number of minutes

12(m-5) = 540(divide by 12 on both sides)

m - 5 = 45

m = 50 ( add 5 on both sides)

Anzelm should plan to be out jogging for 50 minutes






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