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Alexus [3.1K]
2 years ago
12

In every bar graph line graph or scatter plot the vertical axis should include the following

Mathematics
1 answer:
SashulF [63]2 years ago
4 0
Numbers and lines
Maybe a label too
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Whats the variable -4(6+n)+3=36
Alexeev081 [22]
<span>-4(6+n)+3=36
-24 -4n + 3 = 36
-4n -21 = 36
-4n = 36 + 21
-4n = 57
n = -57/4
n = -14.25</span>
5 0
2 years ago
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What is the standard form of y –7 = – 23 (x + 1)
ValentinkaMS [17]

Answer:

23x+y=-16

Step-by-step explanation:

7 0
3 years ago
A backpack costs $18 and has a 7 percent tax. How much will Sheila have to pay for the backpack after tax?
Dmitry_Shevchenko [17]

Answer:

19.26

Step-by-step explanation:

7% of 18 is 1.26

1.26+18=19.26

4 0
3 years ago
If 1 card is drawn at random from a standard 52-card deck, what is the probability that the card drawn is a black nine?
Korolek [52]
I think it's 2/52 or 1/26
5 0
3 years ago
Twenty-five randomly selected students were asked the number of movies they watched the previous week. The results are as follow
guajiro [1.7K]

Answer:

a) x = 1.52

b) s = 1.16

Step-by-step explanation:

We have that:

5 students watched 0 movies.

9 students watched 1 movie.

5 students watched 2 movies.

5 students watched 3 movies.

1 student watched 4 movies.

(a) Find the sample mean x.

Sum divided by the number of students. So

x = \frac{5*0 + 9*1 + 5*2 + 5*3 + 1*4}{5 + 9 + 5 + 5 + 1} = \frac{38}{25} = 1.52

(b) Find the approximate sample standard deviation, s.

Standard deviation of the sample.

Square root of the sum of the squares of the values subtracted from the mean, divided by the sample size subtracted by 1. So

s = \sqrt{\frac{5*(0-1.52)^2 + 9*(1-1.52)^2 + 5*(2-1.52)^2 + 5*(3-1.52)^2 + 1*(4-1.52)^2}{24}} = \sqrt{\frac{32.24}{24}} = 1.16

3 0
2 years ago
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