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lbvjy [14]
3 years ago
11

What is the radius of a sphere with a surface area of 100cm??

Mathematics
1 answer:
Dmitrij [34]3 years ago
8 0

Answer:

The radius is 5

Step-by-step explanation:

The equation for Area of a sphere is

4pi*r^2

Since you have the area and not the radius you do the opposite of the equation so instead of multiplying you divide

100/4 = 25

Then find the square root of 25, which is 5

So your radius is 5.

Hope This Helps!!! :}

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Jim is enclosing a rectangular garden with 170 feet of fencing. The length of the garden is 10 feet more than twice it's width,
Hunter-Best [27]

Answer: Area = 1500 feet^2

Step-by-step explanation:

Jim is enclosing a rectangular garden with 170 feet of fencing. This means the perimeter of the rectangular garden =170 feet

Let length = x

Let width = w

The length of the garden,x is 10 feet more than twice it's width, w. This means

x =10+2w---------1

Perimeter = 2x+2w =170---------2

Putting equation 1 in equation 2,

2(10+2w) +2w= 170

20 + 4w +2w = 170

6w = 170-20=150

w = 150/6

= 25feet

Put w=25 in equation 1

x =10 +2×25= 10+50=60 feet

Area = length × width = x×w

= 60×25=1500feet^2

5 0
3 years ago
Which cypress ion is equivalent to 4(x+2) ?<br> 6x<br> 4(x)+4(2)<br> 4(x)+4<br> 8x
jenyasd209 [6]

Answer:

4(x) + 4(2)

Step-by-step explanation:

4(x+2) = 4(x) + 4(2)

Distribution property

5 0
3 years ago
Hurry please!
Alexus [3.1K]

Answer:

C. $8483

Step-by-step explanation:

To find the  coffee sales, we plug in the value of x as 34 into y = 60x + 6443.

  • y=60(34)+6443
  • y=2040+6443
  • y=8483

Therefore, the answer is C. $8483.00.

3 0
2 years ago
Which of the following illustrates how to find the difference of 4h^5k and -7hk^5
MrRa [10]

Answer:

Not possible

Step-by-step explanation:

Which of the following illustrates how to find the difference of 4h^5k and -7hk^5

Takig the difference

4h^5k - (-7hk^5)

= 4h^5k +7hk^5

Collect the like terms

= hk(4h^4+7k^5)

Hence the difference is not possible

7 0
3 years ago
SOME PLEASE HELP IM STRESSED OUT ILL GIVE OUT BRAINLIEST PLEASE DON’T ANSWER IF YOU DON’T KNOW
Cerrena [4.2K]

Answer:

7,042

Step-by-step explanation:

5 0
3 years ago
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