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AlladinOne [14]
3 years ago
5

Ohhhhhh! I have a Brainliest!

Mathematics
1 answer:
ANEK [815]3 years ago
6 0
To find the mean you have to add all the numbers and divide by how many there are.
1) 6.6
2) 180.8
To find the median you have to list all the numbers from lowest to biggest and the middle number is the median.
3) 19
4) 78
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This table gives a few (x,y)(x,y)left parenthesis, x, comma, y, right parenthesis pairs of a line in the coordinate plane. -28 -
Serhud [2]

Answer:

The y-intercept is y = 2

Step-by-step explanation:

A linear function has the following format:

y = mx + b

In which m is the slope and b is the y-intercept, which is the value of y when x = 0.

We are given these three points:

(-28, -54)

(-21, -40)

(-14, -26)

We use two of them to build a system, to find values for m and b.

(-28, -54)

This means that when x = -28, y = -54

So

y = mx + b

-54 = -28m + b

28m = b + 54

m = \frac{b + 54}{28}

(-21, -40)

This means that when x = -21, y = -40

So

y = mx + b

-40 = -21m + b

-40 = -21\frac{b + 54}{28} + b

-40 = \frac{-21b - 1134 + 28b}{28}

7b - 1134 = -40*28

7b = 14

b = \frac{14}{7}

b = 2

The y-intercept is y = 2

7 0
3 years ago
Which choice could you use to find the distance D between the points shown on the number line
MariettaO [177]

Answer:

d = |145 − (−235)|

Step-by-step explanation:

6 0
3 years ago
Help is much needed :)
dangina [55]

Answer:

13

Step-by-step explanation:

EG=25

EF=12

FG=25-12=13

3 0
3 years ago
1/4 cup equals how many pounds?
Leno4ka [110]

1/4 cup equals 0.25 lbs.

6 0
3 years ago
Weight of three boys is 25 kg 28 kg and 31 kg respectively. Find the average weight of the boys.
melamori03 [73]

Answer:

C)

Step-by-step explanation:

Find the total sum

25+28= 53

53+31=84

Fimd the average by dividing by 3

84/3= 28

Hence, the answer is c

4 0
3 years ago
Read 2 more answers
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