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ruslelena [56]
3 years ago
12

Find the least common multiple of 9 and 15

Mathematics
2 answers:
fgiga [73]3 years ago
7 0

Answer:

45

Step-by-step explanation:

9:9,18,27,36,45

15:15,30,45

myrzilka [38]3 years ago
4 0

Answer:

45

Step-by-step explanation:

The least common multiple is the smallest number found between the two numbers, in this case 9 and 15, while skip counting from each number. Or the like the multiplication table.

Multiples for 9:

9, 18, 27, 36, 45, 54, 63...

Multiples for 15:

15, 30, 45, 60, 85...

45 is the first and common number that appears in both multiples of 9 and multiples of 15. Therefore, it will be the least common multiple of 9 and 15.

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Answer:

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Step-by-step explanation:

This question is actually easier than you think, but I am here to help.

First off you know the room is a square. All squares have equal sides no matter what, that is the number 1 basic rule. (27ft by 27ft)

1. Find the area of the square: To find area you multiply Length by Width. Since you are multiplying two units you will get a squared value. The square measures 27 ft by 27 ft on both sides.

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We need to stay in the same unit because you are multiplying two values of the same unit. The total square feet of the room is 729ft^{2}

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Now lets create a proportion between the two unit:

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The ft^{2} unit cross cancels and your left with yd^{2}.

Now all you do is multiply straight across and you get \frac{729yd^{2} }{9}  = 81 yd^{2}

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4 years ago
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Step-by-step explanation:

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