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coldgirl [10]
4 years ago
11

Use the table below to answer this question:

Mathematics
2 answers:
Tanzania [10]4 years ago
8 0

Answer:

2

Step-by-step explanation:

We can find the average rate of change by using the formula

rate of change = (y2-y1) /(x2-x1)

                         = (5-3)/(1-0)

                         = 2/1

                            =2

larisa [96]4 years ago
3 0

Answer:

A. 2

Step-by-step explanation:

average rate of change from x1 to x2 is

[f(x2) - f(x1)]/(x2 - x1)

Here we have x1 = -3; f(x1) = -3; x2 = 1; f(x2) = 5

average rate of change from x1 to x2 =

= [f(x2) - f(x1)]/(x2 - x1)

= [5 - (-3)]/(1 - (-3))

= 8/4

= 2

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A box contains 5 red marbles and 7 green marbles. Find the probability of drawing 2 red marbles.
Allushta [10]

Answer:

1) 25/144 or 0.1736

2) 5/33 or 0.1515

Step-by-step explanation:

Total marbles: 5 + 7 = 12

1) 5/12 × 5/12

25/144

0.173611111

2) 5/12 × 4/11

5/33

0.151515151515

4 0
3 years ago
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3 0
3 years ago
Sabrina's flying disc was stuck in a tree. In order to get the flying disc down, she used a 25-foot ladder positioned 8 feet fro
TEA [102]
A^2+b^2=c^2
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Hope this helped!



7 0
3 years ago
What is the correlation coefficient with the following data points: (2,49), (45,2), (5,6)?
forsale [732]

Answer:

-0.62

Step-by-step explanation:

If you need, you can simply use a linear regression calculator! Most of them give the option to input points and calculate a equation for the line of best fit and a correlation coefficient.

Go to keisan . casio . com <--- Best example of linear regression calculator!

7 0
3 years ago
Iodine-131 has a half-life of 8 days. How much would be left of an original 40 g sample after 40 days?
Yuri [45]

Answer:

d) 1.25 g

Step-by-step explanation:

If it has a half life of 40 days, there will be 5 half-lives in that span of time so if you divide 40 by 2, 5 times or just \frac{40}{2^{5} }, it will equal 1.25.

\frac{40}{2}=20\\

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\frac{10}{2} =5

\frac{5}{2} =2.5\\

\frac{2.5}{2} =1.25

8 0
3 years ago
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