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HACTEHA [7]
4 years ago
15

What is the eighth term in the arithmetic sequence defined by the explicit formula a_n =2n+7 ?  

Mathematics
1 answer:
Nookie1986 [14]4 years ago
7 0
To solve this, all we need to do is to substitute 8 in for "n" as we want to find the 8th term in the series.

2n+7
2(8)+7
16+7
23

The 8th term in the arithmetic sequence is 23.
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3 years ago
Which of the following points is NOT visible if the viewing window of a graphing utility is set at:
Arte-miy333 [17]

The points D(-7, 5), E(-8, -3), and H(10, -5) will not be visible the answers are D, E, and H.

<h3>What is graphing utility?</h3>

A graphing calculator is a portable computer that can plot graphs, solve multiple equations at once, and carry out other variable-related activities.

We have points shown in the coordinate plane.

As the window of a graphing utility is set at:

X(min) : -6

X(max): 6

Y(min) : -6

Y(max) : 6

The points out of 6 will not be visible.

We can draw a square as shown in the attached picture.

The points D(-7, 5), E(-8, -3), and H(10, -5) will not be visible.

Thus, the points D(-7, 5), E(-8, -3), and H(10, -5) will not be visible the answers are D, E, and H.

Learn more about the graphing utility here:

brainly.com/question/1549068

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