3 years ago

A traintravels 200 kilometers in 2.5 hours. whatis the trains average speed per hour

1 answer:

5 0

I think it may be 80 km/h?

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3 years ago

Nadya [2.5K]

Answer: $\Large\boxed{20 < h < 80}$

Step-by-step explanation:

Given inequality

$|h-50| < 30$

The goal of the question

To find the minimum and maximum of the relative humidities

For this question, we need to solve the inequality

Simplify the absolute value sign

$h-50 < 30$ or $h-50 > -30$

Add 50 on both sides

$h-50+50 < 30+50$ or $h-50+50 > -30+50$

$\Large\boxed{h < 80}$ or $\Large\boxed{h > 20}$

Hope this helps!! :)

Please let me know if you have any questions

5 0

1 year ago

nlexa [21]

Its 202 becasue you just add two more so yeah

5 0

3 years ago