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Ahat [919]
3 years ago
9

How to add subtract multiply and divide fractions?

Mathematics
1 answer:
EastWind [94]3 years ago
3 0
Add and subtract: Find Least Common Denominator, multiply out, add/subtract as normal

Multiply: Multiply both top and bottom

Divide: Multiply by reciprocal
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Factorise x^3+3x^2y+3xy^2+y^3
Nesterboy [21]
  • Answer:

<em>(x + y)³</em>

  • Step-by-step explanation:

<em>   use (a + b)³ = a³ + 3a²b + 3ab² + b³</em>

<em>x³ + 3x²y + 3xy² + y³ =</em>

<em>= (x + y)³</em>

7 0
3 years ago
How to do this problem 15: x +17 =32
Juliette [100K]
SO x plus 17 are equal to 32. That means you know that 17 plus some unknown number can equal 32. To find this number, simply subtract 17 on both sides. This will get you x=15. Hope it helps.
8 0
3 years ago
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Maurinko [17]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
1/4 + 4/6 (Simplify)
Temka [501]

Answer:

\frac{11}{12}

Step-by-step explanation:

\frac{1}{4} + \frac{4}{6} =

\frac{3}{12} + \frac{8}{12} =

\frac{11}{12}

Hope this helped! <3

7 0
3 years ago
The height of a cylinder is twice the radius of its base.
Ber [7]

Let x represent radius of circle.

We have been given that the height of a cylinder is twice the radius of its base. So height of cylinder would be 2x.

Now we will use volume of cylinder formula to our given problem.

V=\pi r^2h, where,

r = Radius of base of cylinder,

h = Height of cylinder.

Upon substituting our given values, we will get:

V=\pi\cdot x^2\cdot 2x

V=2x^3\pi

Therefore, our required volume expression would be 2x^3\pi.

6 0
3 years ago
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