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3 years ago

(-2,9) and (-2,-5) Slope:

Mathematics

2 answers:

Oliga [24]3 years ago

6 0

Answer:

slope is undefined

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 2, 9 ) and (x₂, y₂ ) = (- 2, - 5 )

m = $\frac{-5-9}{-2-(-2)}$ = $\frac{-14}{-2+2}$ = $\frac{-14}{0}$

Since division by zero is undefined then the slope is undefined

NeTakaya3 years ago

4 0

Answer:

-41

Step-by-step explanation:

In pic

(hope this helps can I pls have brainlist (crown) ☺️)

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What is the mean absolute deviation?

Lostsunrise [7]

Answer:

0.8 cm

Step-by-step explanation:

The formula for MAD is attached in the picture.

x_i are the values (data)

x bar is the mean

n is the number of numbers (data)

For figuring out MAD, basically, we subtract the mean from each of the values respectively and take the absolute value and SUM for all of the numbers in the data set. Then we divide by n, the number of numbers.

Let's do this:

MAD = $\frac{|2-3|+|2-3|+|2-3|+|2-3|+|3-3|+|3-3|+|3-3|+|4-3|+|4-3|+|5-3|}{10}\\=\frac{1+1+1+1+0+0+0+1+1+2}{10}\\=\frac{8}{10}=0.8$

MAD is 0.8

6 0

3 years ago

Consider the following sine regression model y =18.614 sin(0.521x - 1.984) + 76.900. Predict y(14). I know the answer. Will mark

rosijanka [135]

Answer:

61.512

Step-by-step explanation:

Put 14 where x is and do the arithmetic. Arguments for trig functions are always radians unless otherwise specified.

y =18.614 sin(0.521x - 1.984) + 76.900

y =18.614 sin(0.521·14 - 1.984) + 76.900 = 18.614sin(5.31) +76.900

y ≈ 18.614·(-0.82668) +76.900 = -15.388 +76.900

y ≈ 61.512

The regression model predicts y(14) = 61.512.

3 0

3 years ago

The equation that represents the relationship between study time (x in hours per week) and GPA (y ) is given below: y=0.25x+1.3

arlik [135]

Answer:can u awser my question plz i need help

Step-by-step explanation:

5 0

3 years ago

If f(x)=2(3^x)+1 what is the value of f(2)?

pentagon [3]

Answer:

$f(2)=19$

Step-by-step explanation:

$f(x) =2(3^{x} )+1$

$f(2)= 2(3^{2})+1$

$f(2)= 2(9) +1$

$f(2)= 18+1$

$f(2)=19$

plz mark me brainliest. :)

8 0

3 years ago

Read 2 more answers

Describe the locus that the figure represents.

Harlamova29_29 [7]

The correct answer is: all points equidistant from point A and point B

Explanation:

If you draw lines from Point A to the line and and from Point B to the line (perpendicular to the line), you would see that the distances from both these points to the line would be the same. Likewise if apply the symmetry argument on both of the points, you would find out that all points on the line would be equidistant from point A and point B. Hence Option (B) is correct.

7 0

3 years ago