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earnstyle [38]
2 years ago
8

{(-5,9),(2, 31), (9, 143), (11, 151),(0, 42),(5, 97)}

Mathematics
1 answer:
wlad13 [49]2 years ago
8 0

The number 7 is the best prediction of the output when the input is 13.

<h3>What is the equation of a line passing through two given points in 2 dimensional plane?</h3>

Suppose the given points are (x_1, y_1) and (x_2, y_2), then the equation of the straight line joining both two points is given by

(y - y_1) = \dfrac{y_2 - y_1}{x_2 - x_1} (x -x_1)

The equation of the line is found as;

\rm y-y_1=  \frac{y_2-y_1}{x_2-x_1}      \\\\ \rm y-9=                                         \frac{31-9}{2+5} (x+5)\\\\ 7y-63 = \frac{31-9}{2+5} (c+5)\\\\ 7y-63=22x+110\\\\ 7y= 22x+173 \\\\ but ,x=13\\\\ 7y=22 \times 13 +173\\\\ y= \frac{1259}{7} \\\\ y= 179

Learn more about straight line equation here:

brainly.com/question/380976

#SPJ1

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Write an equation for a line perpendicular to y=2x-4 and passes through the point (-2,0)
Dafna1 [17]

Answer:

<h2>it's so easy </h2>

Step-by-step explanation:

I can tell u in snap

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3 0
3 years ago
The professor of a business statistics class wanted to find out the average amount of time per week her students spent studying
zhenek [66]

Answer:

Cluster sample

Step-by-step explanation:

This is an example of a cluster sample. In a cluster sample, the examiner divides the population into groups (each one of these groups is called a cluster) and once the examiner has these clusters, takes one of them and recollects the data from ALL the members of that cluster. In this case, the teacher divided the class in 3 different groups and then selects one of these groups and asks the average amount of time per week he/she spent studying.

6 0
3 years ago
4x what is close to 97
Hitman42 [59]

Lets try  96

4 x  ?= 96

? = 96/4

= 24

So we see that 4 times 24 is close to 97.

7 0
3 years ago
-1/4x+2y=28 find the x and y intercept
Advocard [28]
The y intercept is (0, 14) and the x intercept is (-112,0) all you have to do is just make y zero if you are trying to solve for x and the same for the x if you are trying to solve for y.
8 0
3 years ago
I need help please! ​
Sophie [7]

Answer/Step-by-step explanation:

Area of trapezium = ½*(AD + BC)*AB

Area = 42 cm²

AD = (x + 8) cm

BC = (x + 5) cm

AB = x cm

Plug in the values into the equation

42 = ½((x + 8) + (x + 5))*x

42 = ½((x + 8 + x + 5)*x

42 = ½(2x + 13)*x

Multiply both sides by 2

42*2 = (2x + 13)*x

84 = 2x² + 13x

2x² + 13x = 84

Subtract both sides by 84

2x² + 13x - 84 = 0

4 0
2 years ago
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