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daser333 [38]
3 years ago
12

Find the surface area of the sphere with the given diameter or radius d=8ft

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer: A≈201.06ft²

D: 8ft

HOPE THIS HELPS

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A copper key is placed in a cylindrical container with a 3-cm diameter. The water level rises from 14 cm to 14.6 cm. What is the
Tomtit [17]

Answer:

The volume is about 4.24 cm^3.

Step-by-step explanation:

From the question we are told that:

Diameterd= 3-cm

Radius r=d/2=>1.5cm

Height risen14.6-14=0.6cm

Generally the equation for Volume of a Key is mathematically given by

Since Volume of a cylinder is Given as

V=\pir^2h

Therefore

V=\pi*1.5^2*0.6

V=4.2417\\\\V=4.24 cm^3

Correct Option A

The volume is about 4.24 cm^3.

3 0
3 years ago
What is the value of the expression x-3y when x = 6 and y = 12
elena55 [62]

Answer:

-30

Step-by-step explanation:

  1. Plug in the values of x and y: 6 - 3(12)
  2. 3(12) = 3 × 12 = 36
  3. Plug 36 in: 6 - 36
  4. 6 - 36 = -30

I hope this helps!

7 0
3 years ago
X + 2 2/1=10<br> HELPPPPPPP!!!!!!!!!!!!!!!!!
irakobra [83]

Answer:

  • x+4=10
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3 0
2 years ago
If x varies directly as y, and x = 200 when y = 11, find y when x = 500. Algebraic solution please.
zimovet [89]

Answer:

27.5

Step-by-step explanation:

x⠀⠀⠀⠀⠀|⠀⠀⠀⠀200⠀⠀⠀⠀|⠀⠀⠀⠀500

y⠀⠀⠀⠀⠀|⠀⠀ ⠀⠀ 11⠀⠀⠀⠀⠀|⠀⠀⠀⠀a

As x directly varies with y:

200 × a = 500 × 11

a = 5/2 × 11 = 27.5

5 0
3 years ago
Free points!!!<br>I'm bored so enjoy.​
melamori03 [73]

Answer:

Thank you so much man!! If you need help in the future just comment on this answer and I will gladly answer!  

5 0
3 years ago
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