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padilas [110]
3 years ago
14

If Train A is moving 66 mph and is 456 miles from the station while Train B is moving 72 mph and is 502 miles away, which train

arrives at the station first?
Mathematics
1 answer:
Len [333]3 years ago
7 0

Answer: train A arrives first

Step-by-step explanation:

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The correlation between height and weight among men age 18-74 in the U.S. is about 0.40. Say whether each conclusion below follo
zzz [600]

Answer:

Options a, b, c are correct.

Step-by-step explanation:

First let's see the equation that governs the statement, which is the following:

r = \frac{cov (x, y)}{\sqrt{var(x) var (y)} }

Therefore, reading options a, b, c are correct.

Since from the formula we have the correlation coefficient of two variables x and y and here it shows us the correlation between x, y and y, x is the same.

 This means that the 0.4 correlation implies a moderate but positive relationship between the two variables.

 that is, the highest or lowest value of one variable implies a highest or lowest value of the other variable, respectively.

5 0
2 years ago
A bag contains 3 red marbles, 4 blue marbles and 7 green marbles. If two marbles are drawn out of the bag, what is the probabili
mash [69]

Answer: 0.214

Step-by-step explanation:

There are a total of 14 marbles in the bag, with only 3 being red. 3/14 converts to 0.214

7 0
3 years ago
Given a polynomial function f(x) = 2x2 – 3x + 5 and an exponential function g(x) = 2x - 5, what key features do f(x) and g(x) ha
Sunny_sXe [5.5K]

Both f(x) and g(x) have the same range of [0,-infinity).

<h3>What is a function?</h3>

A function is an expression that shows the relationship between two or more numbers and variables.

Plotting the functions f(x) = 2x² – 3x + 5 and g(x) = 2ˣ - 5:

Both f(x) and g(x) have the same range of [0,-infinity).

Find out more on function at: brainly.com/question/25638609

7 0
2 years ago
Can somebody help me in this one :)
MissTica

Answer:

A) f(x) = 6x + 14

Step-by-step explanation:

6(1) + 14 = 20

6 + 14 = 20

6(1.5) + 14 = 23

9 + 14 = 23

6(2) + 14 = 26

12 + 14 = 26

and so on...

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3 years ago
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3 years ago
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