Evaluate
\frac{9}{2}=4.5
Factor
\frac{3 ^ {2}}{2} = 4\frac{1}{2} = 4.5
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\frac{9}{40}\times 20
Divide \frac{9}{40} by \frac{1}{20} by multiplying \frac{9}{40} by the reciprocal of \frac{1}{20}.
\frac{9\times 20}{40}
Express \frac{9}{40}\times 20 as a single fraction.
\frac{180}{40}
Multiply 9 and 20 to get 180.
\frac{9}{2}
Reduce the fraction \frac{180}{40} to lowest terms by extracting and canceling out 20.
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Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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