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iris [78.8K]
3 years ago
8

What is 18 ÷34

Mathematics
1 answer:
NeX [460]3 years ago
5 0

Answer:

2/3 is the correct answer

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Rikki decided to collect data to determine if a runner's time and speed are correlated. She determined the data to have a correl
balandron [24]

The value of r indicates the negative correlation.

<h2>Given </h2>

Rikki decided to collect data to determine if a runner's time and speed are correlated.

She determined the data to have a correlation coefficient of -0. 5.

<h3>What is the correlation coefficient?</h3>

The correlation coefficient is a statistical measure that calculates the strength of the relationship between the relative movements of the two variables.

She determined the data to have a correlation coefficient of -0. 5.

Here, the coefficient is negative which is -0.5.

This correlation coefficient indicates that there exists a weak negative correlation between the runner’s time and the speed.

This relation is negative because the correlation coefficient is negative.

Hence, The value of r indicates the negative correlation.

To know more about the Correlation coefficient click the link given below.

brainly.com/question/19043872

4 0
2 years ago
Write a linear function f with the values f(−1)=8 and f(5)=6.<br><br> A function is f(x)=
german

9514 1404 393

Answer:

  f(x) = -1/3x +23/3

Step-by-step explanation:

You can use the linear regression function of a graphing calculator or spreadsheet to show you the equation of the line through these points:

  f(x) = -1/3x +23/3

__

Approaching this in the usual way, we recognize we have points ...

  (-1, 8) and (5, 6)

The slope of the line through those points is ...

  m = (y2 -y1)/(x2 -x1)

  m = (6 -8)/(5 -(-1)) = -2/6 = -1/3

Then the point-slope equation of the line is ...

  y - 8 = -1/3(x +1)

Adding 8 gives us a form we can use for a function definition:

  f(x) = -1/3(x +1) +8

  f(x) = -1/3x +7 2/3

8 0
2 years ago
1.) Maggie has a collection of 1,200 Pennies. Of these, 25% are dated before 1980, 35% are dated from 1980-
Strike441 [17]

Answer:

rest of them (40%)

Step-by-step explanation:

4 0
3 years ago
Can you please help me with this question? What is 4% of 350?
OlgaM077 [116]
X = 4% * 350

x = 4/100 * 350

x = 4/10 * 35

x = 0.4 * 35

x = 14


14 is 4 percent of 350.
___________________

\sf\ .04=\frac{4}{100}\\\\x=\frac{4}{100}\times350\\\\x=\frac{4\times350}{100}\\\\x=\frac{1400}{100}={\boxed{14}
8 0
3 years ago
Read 2 more answers
1/2 3/4 1/2 <br> a. 5/8 <br> b. 5/4 <br> c.1 3/4 <br> d. 1 7/4
Sever21 [200]
I think the correct answer would be C. hope this helped !
8 0
3 years ago
Read 2 more answers
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