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mash [69]
3 years ago
10

I can't figure this out I need help. please help

Mathematics
1 answer:
Tanya [424]3 years ago
7 0
So to find the area you should draw a line to make a right triangle then take the area of the 3 figures and add them together. See the picture.

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A sphere and a right cylinder have the same radius and volume. The cylinder has a height of 8 feet. Find the radius.
siniylev [52]

9514 1404 393

Answer:

  6 feet

Step-by-step explanation:

The volume of a cylinder is given by ...

  V = πr^2·h

For a sphere, the volume is ...

  V = 4/3πr^3

You want the volumes to be the same when h=8, so we have ...

  πr^2·8 = 4/3πr^3

Dividing by πr^2, we have ...

  8 = 4/3r

  r = 3/4·8 = 6

The radius is 6 feet.

8 0
2 years ago
The quotient of a number and 2 is the same as the difference of the number doubled and 3. What is the number?
Yanka [14]

Hi,

x/2 = 2x - 3

x/2 - 2x = - 3

x = 3 /(3/2)

x = 3 * 2/3 = 2

The number is 2.

7 0
3 years ago
Bruce owns a business that produces widgets. He must bring in more in revenue than he pays out in costs in order to turn a profi
Aliun [14]
I believe the answer is 267

If each is worth $25 and it costs $10 then he is making $15 profit.

4000/15 is 266.6666667

So you would need 267
8 0
3 years ago
In the picture below, what is the approximate area that is shaded blue?
Iteru [2.4K]

I think it’s C sorry if I’m wrong

7 0
3 years ago
The function f is defined by f(x) = x^2 + 2
jok3333 [9.3K]
It's simple,


f(x)=x^2+2
is the formula that you start with

you are then given f(x). f(4x)


you then plug in 4x

4x=(4x)^2+2

you then solve for x

4x=16x+2
-16x. -16x


-12x=2
÷-12. ÷-12

x=0.16 is your answer
7 0
2 years ago
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