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Reptile [31]
3 years ago
14

Find the volume of this 1/4 cylinder after removing the inner part​

Mathematics
1 answer:
denpristay [2]3 years ago
3 0

28-21=7

thickness = 2x7=14

volume =  \frac{1}{4} \pi \times h( {ro}^{2}  -  {ri}^{2} ) \\ =  \frac{1}{4}  \times 3.14 \times 14( {35}^{2}  -  {21}^{2} ) = 8620.276

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Elenna [48]
Hello here is a solution : 

8 0
3 years ago
Solve the system by substitution.<br> y=6x<br> y=3x+21<br> ( , )
Dimas [21]

Answer:

(7,42)

Step-by-step explanation:

Imput the 6x for the Y:

6x=3x+21

move the variable to the left

6x-3x=21

collect like terms:

3x=21

divide both sides by 3x and youll get this for X

x=7

Imput x=7 into the equation

Y=6x7

solve:

y=42

6 0
3 years ago
Solve the subtraction problem
Leokris [45]
It is D, because you have to get the denomenator"s equal so 9 times 4 is 36 and you take the numerator's and times by the other's denominator then subtract them to get 5/36
7 0
4 years ago
Read 2 more answers
How do you do this I’ve been stuck on this
Mamont248 [21]

9514 1404 393

Answer:

  x^(1/6)

Step-by-step explanation:

The applicable rule of exponents is ...

  (a^b)/(a^c) = a^(b-c)

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Here, we have a=X, b=1/2, c=1/3, so the quotient is ...

  (X^(1/2))/(X^(1/3)) = X^(1/2 -1/3) = X^(1/6)

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Expressed as a radical, this is ...

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4 0
3 years ago
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Write the product as a trinomial. (2x + 3)(4x – 2)
Simora [160]
=<span><span>(<span><span>2x</span>+3</span>)</span><span>(<span><span>4x</span>+<span>−2</span></span><span>)

</span></span></span><span>=<span><span><span><span><span>(<span>2x</span>)</span><span>(<span>4x</span>)</span></span>+<span><span>(<span>2x</span>)</span><span>(<span>−2</span>)</span></span></span>+<span><span>(3)</span><span>(<span>4x</span>)</span></span></span>+<span><span>(3)</span><span>(<span>−2</span>)</span></span></span></span>
<span>=<span><span><span><span>8<span>x2</span></span>−<span>4x</span></span>+<span>12x</span></span>−6</span></span>
<span>=<span><span><span>8<span>x2</span></span>+<span>8x</span></span>−6</span></span>
4 0
3 years ago
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