3 years ago

Help me please!! I’m in a hurry!! 15pts!!

Mathematics

1 answer:

Nikolay [14]3 years ago

6 0

Answer:

300 times

Step-by-step explanation:

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A car travels 45km in an hour. In each of the next two hours, it travels 78km. What is the average speed of the car.

romanna [79]

Answer:

The average speed of car is 67 kilometers per hour.

Step-by-step explanation:

Given that:

Distance travelled in one hour = 45 km

Distance travelled in next 2 hours = 78*2 = 156 km

Total distance = 45+156 = 201

Total time = 1+2 = 3 hours

Average speed of the car = $\frac{Total\ distance}{Total\ time}$

Average speed of the car = $\frac{201}{3}$

Average speed of the car = 67 km/hr

Hence,

The average speed of car is 67 kilometers per hour.

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Step-by-step explanation:

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What is the Simplified form of √46/192

Lorico [155]

Answer:

(√138)/24

Step-by-step explanation:

$\displaystyle\sqrt{\frac{46}{192}}=\sqrt{\frac{46\cdot 3}{192\cdot 3}}=\sqrt{\frac{138}{24^2}}=\frac{\sqrt{138}}{24}$

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gulaghasi [49]

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Step-by-step explanation:

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