2 years ago

What is the LCM of 3 and 7? 3 7 14 21

1 answer:

7 0

The correct answer is 21 simply because 21 is a multiple of 3 and a multiple of 7, other answer does not hold this conclusion.

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a boat is traveling at an average speed of 15 meters per second. how many kilometers per minute is the boat traveling?

lukranit [14]

We know that 1 meter is 0.001 km and that 1 minute is 60 seconds.
To transform 15m/s we into km/min we have to multiply 15 by 0.001 and multiply it by 60.
$15*0.001*60=0.0015*60=0.09 km/min$ - its the answer

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2 years ago

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If the sum of a number and three is doubled?, the result is seven less than the number. Find the number

pentagon [3]

(x+3)*2=x-7
2x+6=x-7
x=-13

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2 years ago

A: {-4, -2 -1, 2}<br> B: {-4, 4}<br> C: {-3, -2, 0, 2}<br> D: {-4, -2, -1, 0, -2}

Temka [501]

Answer:this is soooo compli

Step-by-step explanation:

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2 years ago

3/5 of the 30 students are boys how many students are girls

anygoal [31]

if 3/5 are boys

1- 3/5

5/5 -3/5 = 2/5 are girls

2/5 * 30 = 60/5 = 12

12 are girls

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2 years ago

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Aarón rides his bike away from home at a constant speed he stops at the park for a while before riding back home at a constant s

Nikolay [14]

Answer:

Step-by-step explanation: This is the answer

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2 years ago