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Murrr4er [49]
3 years ago
11

The table shows the number of visitors y (in thousands of people) an amusement park has had each year over x years. Use a graphi

ng calculator to find an equation of the line of best fit. Round the slope and y-intercept to the nearest hundredth. Then identify and interpret the correlation coefficient.

Mathematics
1 answer:
DENIUS [597]3 years ago
3 0

Answer:

The equation of the line of best fit is: y = -2.33x + 591.78

The correlation coefficient is: -0.99

There is a strong negative correlation

Step-by-step explanation:

The negative correlation is seen in the sign of the correlation coefficient, which is negative.

The correlation is strong because the absolute value of the correlation coefficient (0.99) is near to one

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What is the volume of this cube? Enter you answer as a decimal in the box.
Katyanochek1 [597]
Solution: V=a^3=3=0.5^3=0.125 
so your answer is 0.13, hope this helps!
5 0
3 years ago
Solve the system by using elementary row operations on the equations. Follow the systematic elimination procedure.
Natali5045456 [20]

Answer:

Step-by-step explanation:

The given equation is expressed as

x1 + 2x2 = -24- - - - - - - - --1

x1 + 7x2 = -11- - - - - - - --2

We would eliminate x1 by subtracting equation 2 from equation 1. It becomes

- 5x2 = - 13

Dividing both sides of the equation by - 5, it becomes

- 5x2/- 5 = - 13/- 5

x2 = 13/5

Substituting x2 = 13/5 into equation 2, it becomes

x1 + 7 × 13/5 = -11

x1 + 91/5 = - 11

x1 = - 11 - 91/5

x1 = - 146/5

4 0
3 years ago
There were 166 paid admissions to a game. The price was $2 for adults and $.75 for children. The amount of data taken in was $29
JulijaS [17]

Answer:the number of adults that attended the game is 135.

the number of children that attended the game is 31

Step-by-step explanation:

Let x represent the number of adults that attended the game.

Let y represent the number of children that attended the game.

There were 166 paid admissions to a game. This means that

x + y = 166

The price was $2 for adults and $.75 for children. The amount of data taken in was $293.25. This means that

2x + 0.75y = 293.25 - - - - - - - - - - 1

Substituting x = 166 - y into equation 1, it becomes

2(166 - y) + 0.75y = 293.25

332 - 2y + 0.75y = 293.25

- 2y + 0.75y = 293.25 - 332

- 1.25y = - 38.75

y = - 38.75/- 1.25

y = 31

x = 166 - y = x = 166 - 31

x = 135

5 0
3 years ago
The volume of a cylinder is 375 pi m^3. if r= 5 m, find its height.
pishuonlain [190]

Answer:

Step-by-step explanation:

V=h\pi r^2\\ \\ h=\frac{V}{\pi r^2}\\ \\ h={375\pi}{25\pi}\\ \\ h=15m

3 0
3 years ago
At an animal park 2/5 of the animals are felines, and 1/4 of the animals are reptiles. The rest of the animals are aquatic. What
notka56 [123]

Answer:

Felines: 40%

Reptiles: 25%

Aquatic Animals is 35%

Which means the Answer is 35%

(How you do this)

- First, Divide, the Numerator, by the Denominator and multiply it by 100.

3 0
2 years ago
Read 2 more answers
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