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in Sets, Relations and Functions by (370 points)
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How many multiples of 4 lie between 10 and 250?

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Alright, here we go:

The formula for an arithmetic sequence is: a_n=a+(n−1)d.

Here, a is the first term, d is the common difference, and a_n is the nth term.

For the sequence of multiples of 4, we have:

  • The first multiple of 4 greater than 10 is 12.

  • The multiples of 4 form a sequence: 12, 16, 20, ..., up to the largest multiple of 4 less than 250, which is 248.

In this arithmetic sequence:

  • The first term, a=12.

  • The common difference, d=4.

Now, to find the number of terms (n) between 12 and 248, we set a_n=248 and solve for n:

248=12+(n−1)⋅4

248−12=(n−1)⋅4

236=(n−1)⋅4

n−1=59

n=60

So, there are 60 multiples of 4 between 10 and 250.

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by (17.0k points)
Sixty multiples of 4 lie between 10 and 250.

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