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IrinaK [193]
3 years ago
5

Select the correct answer from each drop-down menu.

Mathematics
1 answer:
o-na [289]3 years ago
4 0

Answer:

The two grades that have a proportional relationship between the numbers of girls and boys are and grade 6 and 8

Step-by-step explanation:

Girls: Boys

9 : 12 (grade 6)

15 : 20 (grade 8)

3 : 4

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A sphere has a radius of 12 inches. A second sphere has a radius of 9 inches. What is the difference of the volumes of the spher
just olya [345]

Answer:

Solution given;

for sphere

radius [r]:12inches

another

radius [R]:9inches

Now

difference in volume of sphere:

volume of sphere of having radius [r-R]

=\frac{4}{3} πr³-\frac{4}{3} πR³

=\frac{4}{3} π(12³-9³)

= 1332π cubic inches

The volume of the larger sphere is <u>___1332</u>__π cubic inches greater than the volume of the smaller sphere.

3 0
2 years ago
Please provide the answer?
Brums [2.3K]

Using the given table:

a) the average rate of change is 32.5 jobs/year.

b) the average rate of change is 12.5 jobs/year.

<h3>How to find the average rate of change?</h3>

For a function f(x), the average rate of change on an interval [a, b] is:

\frac{f(b) - f(a)}{b - a}

a) The average rate of change between 1997 and 1999 is:

A = \frac{695 - 630}{1999 - 1997}  = 32.5

So the average rate of change is 32.5 jobs/year.

b) Now the interval is 1999 to 2001.

The rate this time is:

A ' = \frac{720 - 695}{2001 - 1999} = 12.5

So the average rate of change is 12.5 jobs/year.

If you want to learn more about average rates of change:

brainly.com/question/8728504

#SPJ1

3 0
1 year ago
A. George ran 5 miles in 35.5 minutes what was his average time per mile?
jarptica [38.1K]
A. 7.1 b.idk sorry    c.74,160
8 0
3 years ago
I put a picture hopefully you can see it​
Taya2010 [7]

Answer:

i think it might be the first or third one

Step-by-step explanation:

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2 years ago
If we were in the core of the galaxy...
Svetllana [295]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
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