Evaluate
\frac{71}{200}=0.355
Factor
\frac{71}{2 ^ {3} \cdot 5 ^ {2}} = 0.355
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\frac{35}{200}+\frac{36}{200}
Least common multiple of 40 and 50 is 200. Convert \frac{7}{40} and \frac{9}{50} to fractions with denominator 200.
\frac{35+36}{200}
Since \frac{35}{200} and \frac{36}{200} have the same denominator, add them by adding their numerators.
\frac{71}{200}
Add 35 and 36 to get 71.
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y = 3x + 4
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Matrix
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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 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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