Is the number 3 multiple of 9

1 answer:

defon3 years ago

3 0

No

Imagine multiples to be 'times tables'. So the multiples of 9 are the 9 times table:

9, 18, 27, 36 and so on.

3 would be a factor of 9. Factors are numbers that can divide exactly into another number.

I hope I helped!

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The sum of 5 consecutive even numbers is 216. What is the third number in the sequence

alexandr1967 [171]

Hello from MrBillDoesMath!

Answer: NO solution possible!

Steps:

Let "n" be the first even number. We are told that

n + (n+2) + (n+4) + (n+6) + (n +8) = 216

The third number, the value we want, is boldfaced above.

Simplify the above equation:

5n + ( 2 + 4 + 6 + 8 ) = 216 or

5n + 20 = 216 or

5n = 196

n = 196/5 is NOT an integer value. This problem, as stated, has no solution.

Regards, MrB

4 0

4 years ago

What is the distance rounded to the nearest tenth between the points(-5, 3) and (1, -1)?

kakasveta [241]

7.2 units is the distance between the two points (-5,3) and (1, -1).

The formula used for determining the distance between two points is shown below. In case this equation is used for finding the distance between the origin and a point, the value of x1 and y1 would just be equal to zero.

distance = $\sqrt{(x2-x1)^{2}+(y2-y1)^{2} }$