1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
coldgirl [10]
4 years ago
15

Someone Please helpppp!!!

Mathematics
2 answers:
Alex73 [517]4 years ago
8 0

Answer:

2138.2 cubic meters

Step-by-step explanation:

The Volume of Sphere is given by

V = (4/3) π r³

then

V = (4/3) π r³

V= (4/3) x 3.14 x (8)³

V = 1.33 x 3.14 x 512

V = 2138.2 m³

netineya [11]4 years ago
8 0

Answer:

Step-by-step explanation:

r = 8 m

Volume V = (4/3)πr³

=\frac{4}{3}*3.14*8*8*8\\\\=\frac{6430.72}{3}\\\\=2143.57333....\\\\=2143.57cubicmeters

You might be interested in
Make sure to show your work.
andrew-mc [135]

Answer:

( 1, -3 )

Step-by-step explanation:

6x - 9 = y \\ y =  - 3x \\  \\ 6x - 9 =  - 3x \\ 6x + 3x = 9 \\ 9x = 9 \\ x = 1 \\  \\ y =  - 3x \\ y =  - 3(1) \\ y =  - 3

5 0
3 years ago
Read 2 more answers
3/5 x 3/5 is equal to 3/5 , since 3/5 is being multiple by a value equal to 3/5 true or false ?
LenKa [72]
False, because any number multiplied by a number lower than 1 will always be less than the original number
3 0
3 years ago
Answer this volume based Question. I will make uh brainliest + 50 points​
Harlamova29_29 [7]

Answer:

\huge{\purple {r= 2\times\sqrt[3]3}}

\huge 2\times \sqrt [3]3 = 2.88

Step-by-step explanation:

  • For solid iron sphere:
  • radius (r) = 2 cm (Given)

  • Formula for V_{sphere} is given as:

  • V_{sphere} =\frac{4}{3}\pi r^3

  • \implies V_{sphere} =\frac{4}{3}\pi (2)^3

  • \implies V_{sphere} =\frac{32}{3}\pi \:cm^3

  • For cone:
  • r : h = 3 : 4 (Given)
  • Let r = 3x & h = 4x

  • Formula for V_{cone} is given as:

  • V_{cone} =\frac{1}{3}\pi r^2h

  • \implies V_{cone} =\frac{1}{3}\pi (3x)^2(4x)

  • \implies V_{cone} =\frac{1}{3}\pi (36x^3)

  • \implies V_{cone} =12\pi x^3\: cm^3

  • It is given that: iron sphere is melted and recasted in a solid right circular cone of same volume
  • \implies V_{cone} = V_{sphere}

  • \implies 12\cancel{\pi} x^3= \frac{32}{3}\cancel{\pi}

  • \implies 12x^3= \frac{32}{3}

  • \implies x^3= \frac{32}{36}

  • \implies x^3= \frac{8}{9}

  • \implies x= \sqrt[3]{\frac{8}{3^2}}

  • \implies x={\frac{2}{ \sqrt[3]{3^2}}}

  • \because r = 3x

  • \implies r=3\times {\frac{2}{ \sqrt[3]{3^2}}}

  • \implies r=3\times 2(3)^{-\frac{2}{3}}

  • \implies r= 2\times (3)^{1-\frac{2}{3}}

  • \implies r= 2\times (3)^{\frac{1}{3}}

  • \implies \huge{\purple {r= 2\times\sqrt[3]3}}
  • Assuming log on both sides, we find:

  • log r = log (2\times \sqrt [3]3)

  • log r = log (2\times 3^{\frac{1}{3}})

  • log r = log 2+ log 3^{\frac{1}{3}}

  • log r = log 2+ \frac{1}{3}log 3

  • log r = 0.4600704139

  • Taking antilog on both sides, we find:

  • antilog(log r )= antilog(0.4600704139)

  • \implies r = 2.8844991406

  • \implies \huge \red{r = 2.88\: cm}

  • \implies 2\times \sqrt [3]3 = 2.88
8 0
2 years ago
Volume = 4,410 yd<br> 30 yd<br> radius =
Y_Kistochka [10]

Answer:

Radius = 11.85yd

Step-by-step explanation:

Volume of a Cone formula: V = πr²(h/3)

We know that;

V = Volume

r = radius

π = pi (this is a sign located on your calculator)

h = height

We are given that;

V = 4,410

r = unknown

h = 30

Let's substitute the values in:

=> V = πr²(h/3)

=> 4,410 = πr²(30/3)

=> 4,410 = πr²(10)

=> 4,410 / 10 = πr²

=> 441 = πr²

=> 441 / π = r²

=> 140.37 = r²

=> \sqrt{140.37} = r

=> 11.85 = r

Therefore, <u>the radius of the cone = 11.85yd</u>

Hope this helps!

8 0
3 years ago
Persuade Mr.Zorn whether the numbers 12, 16, and 20 make a right triangle or not. make sure to state reasons for and against you
TEA [102]

Answer:

They don’t 12+16+20= 48

12 x 16 x 20= 3840

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • If the quality of individual boards varies according to a normal distribution with mean µ = 100 and standard deviation σ = 4 , w
    6·2 answers
  • PLEASE HELP ME WITH THIS QUESTION!!!
    14·2 answers
  • Describe a Whats a real-life example that you can represent by -1200
    15·1 answer
  • Which expression is equivalent to 64 2/3?
    9·1 answer
  • Multiply (x-3)(4x+2) using destributive property select the answer choice showing up he correct distribution
    14·2 answers
  • 0.0125 convert to fraction
    12·2 answers
  • Please give me a hand
    13·2 answers
  • Help pls appreciate it pls
    9·1 answer
  • Like the other qs I asked, I know this is alot but I really need help. I can admit I am terrible at math, like totally terible,
    8·1 answer
  • Help me??? lol i dont get this
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!