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hjlf
2 years ago
14

Find the midpoint of the line segment joining the points r(1,4) s(-3,7)

Mathematics
2 answers:
Arte-miy333 [17]2 years ago
6 0

We can find the midpoint by finding the average between the two points.

We have r(1, 4) and s(-3, 7).

The formula for midpoint is \frac{x_1+x_2}{2}, \frac{y_1+y_2}{2}.

Let's plug in 1 and -3 in x_1 + x_2 and plug in 4 and 7 in y_1+y_2.

\frac{1+(-3)}{2}, \frac{4+7}{2}

Simplify the top numbers so now we have:

\frac{-2}{2}, \frac{11}{2}

Simplify even further and now we have:

-1, 11/2

So the midpoint of the line segment is (-1, 11/2).

skad [1K]2 years ago
5 0
Formula for mid point.
(x1/2+x2/2 , y1/2+ y2/2)

Mid point=
(1/2+ (-3)/2 , 4/2+ 7/2)
(-2/2 , 11/2)
(-1, 5.5)
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2 years ago
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6. A rectangle has a perimeter of 62 feet. If its length is 9 feet longer than its width, find
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Answer:

length = 20 ft, width = 11 ft

Step-by-step explanation:

let w be width, then length = w + 9

The opposite sides of a rectangle are equal , then

2w + 2(w + 9) = 62

2w + 2w + 18 = 62

4w + 18 = 62 ( subtract 18 from both sides )

4w = 44 ( divide both sides by 4 )

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8 0
3 years ago
Which system of equations does this graph represent?
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Answer:

1

Step-by-step explanation:

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Next, we can find the equation of the line. The options are all given in slope-intercept form: y = mx + b, where b is the y-intercept. The y-intercept on the graph is 1, and option 1 has 1 in the place of b. Therefore, option 1 is the answer.

7 0
2 years ago
A geologist visits 40 volcanoes in Alaska and California.how many volcanoes does the geologist visit in California and how many
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<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

Answer:

I don't know for sure, but there are a bunch of different options. Here they are:

Step-by-step explanation:

1 + 39

2 + 38

3 + 37

4 + 36  

5 + 35

6 + 34

7 + 33

8 + 32

9 + 31

10 + 30

11 + 29

12 + 28

13 + 27

14 + 26

15 + 25

16 + 24

17 + 23

18 + 22

19 + 21

20 + 20

Those are the options of how many volcanoes that they could have visited. They could have visited 23 volcanoes in Alaska and 17 in California. Who knows?

California only has 20 volcanoes, and Alaska has 40, so your answer will be one of these options. Hope this helps!

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