Math, asked by raj972, 1 year ago

the train travels (2x²+13x+18) km in (x+5) hours. what is the average speed of the train? if x=30 find the speed of the train.

Answers

Answered by Akshaymas

4

Distance= 2(900)+13(30)+18
= 2208km
Time = 35 Hrs
speed = Distance÷Time
= 2208÷35
= 63.08 km/hour

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