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Svet_ta [14]
2 years ago
14

Which relationship is likely ONLY a correlation and NOT one of causation? A) As the temperature increases, the number of air con

ditioners being used increases. B) As the price of a gallon of gas increases, the number of gallons of gas sold decreases. C) As the number of visitors to a park increases, the number of flowers in bloom at the park increases. D) As the amount of time a student spends studying for a test decreases, the student's score on the test decreases.
Mathematics
1 answer:
Oksanka [162]2 years ago
6 0

Answer: The answer is (C) As the number of visitors to a park increases, the number of flowers in bloom at the park increases.

Step-by-step explanation:  We are given four options out of which we are to select which relationship is likely ONLY a correlation and NOT one of causation.

Causation is defined as the determination of the cause or reason for some sort of phenomenon while a correlation is simply a recognised relationship between two things or events, but it does not imply causation.In cases of correlation, one thing or event predicts another.

So, in the options (A), (B) and (D), we can see both correlation and causation simultaneously, but in option (C), we can only see correlation, NOT causation.

Thus, the correct option is (C).

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Oksana_A [137]

Answer:

2x2 = 4

step-by-step explanation:

2 two times makes 4

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3 years ago
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Riley rakes 1/6 of a lawn in 2/3 hour. How many lawns can Riley rake per hour?
Butoxors [25]

Answer:

Riley rakes 1/4 of the lawns per hour.

Step-by-step explanation:

It is given that,

Riley rakes 1/6 of a lawn in 2/3 hour.

We need to find how many lawns can Riley rake per hour.

In 2/3 hour Riley rakes 1/6 of a lawn

In 1 hour Riley rakes \dfrac{1}{6}\times \dfrac{3}{2}=0.25 = 1/4 of a lawn.

Hence, Riley rakes 1/4 of the lawns per hour.

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2 years ago
Mikey bikes 12 miles in 2 hours. How many miles does Mikey bike in an hour?
Ad libitum [116K]

Answer:

6 miles

Step-by-step explanation:

2 hours can be made into 1 hour by dividing by 2. In order to keep the ratio, you also have to divide the miles by 2, giving you 6.

2:12

1:6

7 0
2 years ago
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A textbook search committee is considering
lora16 [44]

Number of ways to select 3 books from 13 books for adoption is 286 .

<u>Step-by-step explanation:</u>

A Permutation is an ordered Combination. When the order does matter it is a Permutation. There are basically two types of permutation:

  • Repetition is Allowed: such as the lock above. It could be "333".
  • No Repetition: for example the first three people in a running race. You can't be first and second.

Formula is given by:

nC_r= \frac{n!}{r! (n-r)!} , where n is the number of things to choose from,  and we choose r of them,  no repetitions,  order matters. Here , n=13 , r=3.

⇒ 13C_3 = \frac{13!}{3!(13-3)!}

⇒ 13C_3 = \frac{13!}{3!(10)!}

⇒ 13C_3 = \frac{13(12)(11)10!}{3(2)(1)(10)!}

⇒ 13C_3 = 13(2)(11)

⇒ 13 C_3 = 286

∴ Number of ways to select 3 books from 13 books for adoption is 286 .

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3 years ago
Tell whether the lines through the given points are parallel, perpendicular, or neither.
ira [324]

Answer: Line 1: (2, 3) , (4, 12)

m = (12 - 3)/(4 - 2) = 9/2  This is the slope of the line

y = (9/2)x + b

3 = (9/2)(2) + b

3 = 9 + b

b = -6

y = (9/2)x  - 6

 

Line 2: (5, 10) , (14,8)

m = (8 - 10)/(14 - 5) = -2/9

this slope is the opposite sign, and inverse of the first equation's slope.  Therefore, the line is perpendicular.

y = mx + b

8 = (-2/9)(14) + b

8 = -28/9 + b

11.11 = b

y = (-2/9)x + 11.11

Step-by-step explanation: Hope this helps :)

7 0
2 years ago
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