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MariettaO [177]
3 years ago
12

What is the average of the integers from 25-41

Mathematics
2 answers:
Licemer1 [7]3 years ago
7 0

The average of 25 and 41 is (1/2)(25+41) = (1/2)(66) = 33 .

Similarly ...
--The average of 26 and 40 is 33.
-- The average of 27 and 39 is 33.
-- The average of 28 and 38 is 33.
-- The average of 29 and 37 is 33.
-- The average of 30 and 36 is 33.
-- The average of 31 and 35 is 33.
-- The average of 32 and 34 is 33.
-- That leaves only 33.

So the average of all of those 17 integers is 33 .

Mashcka [7]3 years ago
4 0
The answer is 33 for your question

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Find the ratio of the volume of one sphere to the volume of the right cylinder
yarga [219]

Answer:

B


Step-by-step explanation:

<em>Let r be the radius of one sphere.</em>

  • Volume of sphere is V=\frac{4}{3}\pi r^3

Since radius is r,  the height of the cylinder will be 4r

Also, the cylinder has the same radius as the sphere: r


  • Volume of Cylinder is V=\pi r^2 h

Plugging in the values we get: V=\pi (r)^{2}(4r)=4\pi r^3


<u>Ratio of volume of 1 sphere to volume of cylinder is</u>:

\frac{\frac{4}{3}\pi r^3}{4\pi r^3}=\frac{\frac{4}{3}}{4}=\frac{4}{3}*\frac{1}{4}=\frac{1}{3}

The ratio is 1:3

Answer choice B is right.

5 0
3 years ago
Can you. pls. solve for X?​
likoan [24]

Answer:

x = 173

Step-by-step explanation:

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gizmo_the_mogwai [7]

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mr. Smith has twice as much money as mr. hairy the average amount of money they have is $489 how much money does mr. Smith have
Darya [45]
Ok, so this one requires you to set up an equation that makes sense....(mr. Smith + mr. Harry)/2= 489...that is the average money from the problem....ok so let’s add some variables now and make it look like math. 2x is mr smith from the first sentence. X is mr. Harry. This yields

(2x+x)/2=489.....use inverse operations to yield
2x+x=978

Combine like terms to get

3x=978

Then divide by 3
To give you x=326

What does x tell you?
X= harry = 326
2x = Smith = 652

To check add them together and divide by 2 to get the average....489

6 0
3 years ago
Find the solution set 3x^2+5x+2=0
Elis [28]

Answer:   x = -1, and x = -2/3

Step-by-step explanation:

3x^2+5x+2=0

(x+1)(3x+2) = 0

x = -1, and x = -2/3

8 0
3 years ago
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