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Dmitry [639]
1 year ago
7

If a study determines the difference in average salary for subpopulations of mechanical engineers and civil engineers is NOT sig

nificant, then the subpopulations of mechanical and civil engineers are ________ different salaries.
Mathematics
1 answer:
uysha [10]1 year ago
3 0

Both are not earning different salaries.

If a study determines the difference in average salary for subpopulations of mechanical engineers and civil engineers is NOT significant, then the subpopulations of mechanical and civil engineers are not earning different salaries.
Study determines that there is not any significant study so thats why both are not earning.


Learn more about average median on:

brainly.com/question/14532771

#SPJ10

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Help pls pls and thank u thank u
Alex73 [517]

Answer:

I think is A

Step-by-step explanation:

-7x -13 ≥ 8

+13 +13

-7x ≥ 21 (then, divide by -7 and when u divide by a negative number, the sign flip)

Answer: x ≤ -3

5 0
2 years ago
The radii of Earth and Pluto are 6,371 kilometers and 1,161 kilometers, respectively. Approximately how many spheres the size of
antoniya [11.8K]
The volume of a sphere is (4/3) (pi) (radius cubed).

The volume of one sphere divided by the volume of another one is

 (4/3) (pi) (radius-A)³ / (4/3) (pi) (radius-B)³

Divide top and bottom by (4/3) (pi) and you have     (radius-A)³ / (radius-B)³
and that's exactly the same as
                                                         ( radius-A / radius-B )  cubed.

I went through all of that to show you that the ratio of the volumes of two spheres
is the cube of the ratio of their radii.

Earth radius = 6,371 km
Pluto radius = 1,161 km

Ratio of their radii = (6,371 km) / (1,161 km)

Ratio of their volumes =  ( 6,371 / 1,161 ) cubed = about <u>165.2</u>

Note: 
I don't like the language of the question where it asks "How many spheres...".
This seems to be asking how many solid cue balls the size of Pluto could be
packed into a shell the size of the Earth, and that's not a simple solution.
The solution I have here is simply the ratio of volumes ... how many Plutos
can fit into a hollow Earth if the Plutos are melted and poured into the shell.
That's a different question, and a lot easier than dealing with solid cue balls.
4 0
3 years ago
Read 2 more answers
Toby read a total of 12 books over 3 months. If Toby has read 16 books so far, how many
Nastasia [14]

Answer:

Step-by-step explanatioen:

6 0
2 years ago
Read 2 more answers
the letter "T" makes up an estimated 8% of a certain language. Assume this still correct. A random sample of 1000 letters is tak
rusak2 [61]

Answer:

0.242

Step-by-step explanation:

p = 0.08, q = 1 − p = 0.92, and n = 1000.

The mean and standard deviation are:

μ = p = 0.08

σ = √(pq/n) = 0.00858

The z score is:

z = (x − μ) / σ = -0.70

Using a calculator or z score table, the probability is:

P(Z < -0.70) = 0.242

8 0
3 years ago
A force of 10 newtons act in a direction 75 above horizontal moving an object 15 meters from (0,0) to (15,0). What is the work d
givi [52]

Answer:

C

Step-by-step explanation:

i think

4 0
3 years ago
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