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noname [10]
3 years ago
13

Find the exact volume of a cylinder with a radius of 4 inches and a height of 3 inches?

Mathematics
1 answer:
Rina8888 [55]3 years ago
4 0
Volume formula for cylinder is pir^2h. So that will be 4 times 4 times 3 times. That will be 48 cubic inches. However you still have pi left but if we were to multiply 3.14 by 48 we’ll get around 150 but that isn’t answer choice so go with 48.
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max2010maxim [7]
(Refer to picture for diagram.)

Area of base =w^{2}
Area of one side =\frac{8}{w^{2}}*w=\frac{8}{w}

Cost of base material =8w^{2}
Cost of material for a side =6*\frac{8}{w}=\frac{48}{w}
There are 4 sides so 4*\frac{48}{w}=\frac{192}{w}

Total cost C(w)=8w^{2}+\frac{192}{w}

3 0
3 years ago
Evaluate 3y²- 2y + 8, when y = 5
aleksandrvk [35]
Your final answer would be 73, because you would have to plug in 5 for Y.
3 0
4 years ago
Find the axis of symmetry: <br> Y=4x^2+16x-2
irinina [24]
Do this by converting to vertex form

y = 4x^2 + 16x - 2

y = 4 (x^2 + 4x - 0.5)    completing the square on x^2 + 4x:-

y = 4[(x + 2)^2 - 4.5]

the  axis  of symmetry  is x = -2
8 0
4 years ago
On a map, the scale is 1 inch = 125 miles. What is the actual distance between the two cities if the map distance is inches?
Marianna [84]
So 1 = 125 miles. say there is 3 inches that would be 375. So you just multiply the 125 by how many inches there are! hope this helps! ^-^

8 0
3 years ago
1/2(6x-10)=-4x+30<br> this is homework due today please help me
taurus [48]

Answer:

So, here is the answer, mate.☺️

Hope it helps.

5 0
3 years ago
Read 2 more answers
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