6÷2(1+2)= 1 arguing someone trying to tell me answer is 9 yeah right

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9

Why?

When solving questions with parenthesis, you always do those first. So, 1 + 2 = 3. Next, do the division, 6 / 2. (follow rule PEMDAS) 6 / 2 = 3. Finally, multiply the two. {{ 3(3) = 3*3 }} 3 * 3 = 9

The answer is 9.

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not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.

54 kilometers per hour

step-by-step explanation:

according to rules:

1 km = 1000 meter

which means that 1 meter = 1/1000 km

1 hour = 3600 second [ as 1 hour = 60 min = 60 *60 seconds ]

which means that 1 second = 1/3600 hour

therefore, 1 kilometer/hour =

thus to convert 15 meter per second to kilometer per hour, we multiply 15 to 3.6 kilometer/hour.

15 meter/second=   which is the required answer.