David's car could cover one lap of the Indy 500 in about 90 seconds. Chris' car could cover one lap in about 54 seconds. If both cars left the same starting point at the same time, after how many seconds would they meet again at the starting point?

Answers

Answer 1

Answer:

After 270 seconds, both cars will meet again at the startingpoint.

To find the time at which both cars meet again at the starting point, we need to find the least common multiple (LCM) of their lap times. The LCM is the smallest positive integer that is divisible by both lap times.

David's car lap time = 90 seconds

Chris' car lap time = 54 seconds

Now, let's calculate the LCM:

Find the prime factors of each lap time:

90 = 2 × 3² × 5

54 = 2 × 3³

Take the highest power of each prime factor:

LCM = 2 × 3³ × 5

= 2 × 27 × 5

= 270 seconds

So, after 270 seconds, both cars will meet again at the startingpoint.

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Answer 2

Answer:

Answer:

Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

A car travels in 3 hours = 162 miles

We have to calculate the speed of car in one hour.

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Answers

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Ken drew a pair of intersecting rays and marked the angle between them.Which of these statements best compares the pair of intersecting rays with the angle?
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Answers

The best and most correct answer among the choices provided by your question is the fourth choice.

The rays extend infinitely and the angle is made by the rays which have a common endpoint.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

Answer:

-The rays extend infinitely and the angle is made by the rays which have a common endpoint.

Step-by-step explanation:

A ray starts from one point and extends in one direction forever.

An angle is the space between two intersecting lines at or close to the point where they meet. In this case two rays intersect each other at one point

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Choose exactly two answers that are correct.

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D. -30 + d

Answers

the answer is A and D -30+d but you can also get the answer by multiplying like lets say d=2 30+30=60 and 30*2=60.

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Answers

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Answers

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