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aniked [119]
3 years ago
13

1. Scientists randomly select ten groups from a population of men over 50 years old. They calculate the mean

Mathematics
1 answer:
Naya [18.7K]3 years ago
5 0

Answer:

Step-by-step explanation:

Sampling Variability

Hope that helped! :)

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The function y = 3.75 + 1.5 (x - 1) can be used to determine the cost in dollars for a taxi ride of x miles. Give the number whi
Degger [83]

Answer:

rate of change = 1.5 dollars per mile

Step-by-step explanation:

cost for travelling 1 mile = 3.75

cost 2 miles  = 5.25

cost 3 miles = 6.75

cost 4 miles = 8.25

8 0
3 years ago
Read 2 more answers
PLEASE HELP ME WITH THIS QUESTION!!!!!!
mr Goodwill [35]

From the table, y varies directly as x. Therefore,  the constant of variation is k = 2 and y = 2x.

<h3>How to find a direct variation?</h3>

For direct variation,

y ∝ x

Therefore,

y = kx

where

  • k = constant of proportionality

Hence,

(-2, -4)

-4 = -2k

k = -4 / -2

k = 2

(-4, -8)

y = -4(2) = -8

Therefore,

k = 2 and y = 2x

learn more on variations here: brainly.com/question/2315806

#SPJ1

5 0
2 years ago
Y greater than or equal to x + 4
tatiyna

See the attached files

<h2>Explanation:</h2>

Here we have the following inequality:

y>x+4

In order to graph the shaded region, we have to graph the equation of the line y=x+4 whose slope is m=1 and y-intercept b=4.  So the graph of the line is shown in the First Figure below.

To find the shaded region we need to have a look at the symbol > that indicates that the shaded region is above the graph of the line and. Since this doesn't include the symbol =, then the line is dotted. Therefore, the resulting region is shown in the second Figure.

<h2>Learn more:</h2>

Shaded regions: brainly.com/question/9611462

#LearnWithBrainly

5 0
3 years ago
Find the probability that the spinner will land on gray and then purple
velikii [3]

Answer:

true the question is true and wait for others my could be wrong also

7 0
3 years ago
Which is bigger 2m or 275cm
aliina [53]

Answer:

275.

Step-by-step explanation:

If you convert 2m into CM you get 200.
If you convert 275 cm into M you get 2.75. So 275cm is bigger.

8 0
2 years ago
Read 2 more answers
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