21 \div 29 \%
Evaluate
\frac{2100}{29}\approx 72.413793103
Factor
\frac{2 ^ {2} \cdot 3 \cdot 5 ^ {2} \cdot 7}{29} = 72\frac{12}{29} = 72.41379310344827
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21\times \frac{100}{29}
Divide 21 by \frac{29}{100} by multiplying 21 by the reciprocal of \frac{29}{100}.
\frac{21\times 100}{29}
Express 21\times \frac{100}{29} as a single fraction.
\frac{2100}{29}
Multiply 21 and 100 to get 2100.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}