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3 years ago

Determine the type of slope of a line that goes through (-4,2), (-4,5)

Mathematics

1 answer:

SVETLANKA909090 [29]3 years ago

3 0

Answer:

Undefined

Step-by-step explanation:

m = (5 - 2) / (-4-(-4))

m= 3/0, so the slope is undefined

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What is the distance between (9,-4) and (-22, 8)?

MariettaO [177]

Answer:

≈ 33.2 units

Step-by-step explanation:

Calculate the distance d using the distance formula

d = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

with (x₁, y₁ ) = (9, - 4) and (x₂, y₂ ) = (- 22, 8)

d = $\sqrt{(-22-9)^2+(8+4)^2}$

= $\sqrt{(-31)^2+12^2}$

= $\sqrt{961+144}$

= $\sqrt{1105}$ ≈ 33.2 ( to 1 dec. place )

3 0

3 years ago

I want to take a survey of students currently enrolled in my statistics course. There are 250 of them, so I number them from 001

emmasim [6.3K]

Answer:

174, 095, 148, 064, 239

Step-by-step explanation:

This is a "simple random sample" problem in which we randomly select a sample from a larger population therefore everyone has same probability of being selected.

Total students: 250

Labeled as 001, 002, 003,.....250

The generated random number table is:

69041 65817 87174 09514 8174 06423 93758 23612 17894

Now we have to arrange/sort this random number table in groups of three numbers.

690, 416, 581, 787, 174, 095, 148, 174, 064, 239, 375, 823, 612, 178, 94

Now we have to select first 5 distinct numbers in the range of 001 to 250

The first four numbers (690, 416, 581, 787) are out of range so ignore them.

Next we find our first three numbers (174, 095, 148)

Next we have number (174) again that we have already selected so ignore it.

Next we find our fourth and fifth number (064, 239)

We are done with selecting 5 numbers and these are:

174, 095, 148, 064, 239

6 0

3 years ago

What number is divisible by ? 2 3 5 or 10 a)130 b)123 c)555 d)5564

Leya [2.2K]

A) 130 is divisible by 2, 5, 10
b) 123 is divisible by 3
c) 555 is divisible by 3, 5
d) 5564 is divisible by 2

6 0

3 years ago

PLEASE HELP ASAP!!! will mark brainlest!

N76 [4]

Here are the coordinates, mark the ones on the left as x, and the ones on the right as y, but make sure they are lined up with each other: (-2, 11), (-1, 6), (0, 3), (1, 2), (2, 3), (3, 6). Then plot the points on the graph and connect them.

3 0

3 years ago

The Click-O Pen Company produced 1.8x10^6 pencils each year for 4 years. What was the total number of pencils the Click-O Pen Co

Nataliya [291]

Answer: The pencils produced by Click-O-Pen Company for 4 years = $7.2\times 10^6$