What are the first 5 multiples of 15?

Mathematics

2 answers:

Blizzard [7]3 years ago

5 0

30, 45, 60, 75, and 90 are the first five multiples of 15.

Nataly_w [17]3 years ago

3 0

The first five are 15 x 1=15,15 x 2 =30,15 x 3=45,15 x 4=60,15 x 5=75 answer=15,30,45,60,75

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What is 102484838+w is equal to what I need help ASAP

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120958130

Step-by-step explanation:

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Read 2 more answers

How to solve this problem?

valentinak56 [21]

Very nice handwriting but the math and English are confusing.

Let's assume we're told

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2$

The subscript is important.

I think we're told the similar sum with 11 gives the smallest possible value for the sum. This is a rather cagey way of telling us 11 is the mean of the nine points. The mean is the number which minimizes the sum of squared deviations.

$\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2 = \sum x_i^2 - 20 \sum x_i + 9(100)$