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natima [27]
1 year ago
9

Find the sum of the first 46 terms of the following series, to the nearestinteger.12, 15, 18, ...

Mathematics
1 answer:
creativ13 [48]1 year ago
8 0

We can see that this is an arithmetic sequence. The first term is 12 and the common difference is 3.

Using the formula to calculate the sum of the first 46 terms, we have:

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Answer:

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Remember the x-intercept and the y-intercept are the points on the graph where the line crosses the x-axis and the y-axis respectively.

We can find the x intercept and the y intercept a couple of ways. One way is to graph the line, which I will do later. The other way is to do a little math.

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In our equation above and solving for y we get the y-intercept is -4

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