Evaluate
\frac{2750}{21}\approx 130.952380952
Factor
\frac{2 \cdot 5 ^ {3} \cdot 11}{3 \cdot 7} = 130\frac{20}{21} = 130.95238095238096
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\frac{5}{12}\times \frac{22}{7}\times 100
Reduce the fraction \frac{150}{360} to lowest terms by extracting and canceling out 30.
\frac{5\times 22}{12\times 7}\times 100
Multiply \frac{5}{12} times \frac{22}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{110}{84}\times 100
Do the multiplications in the fraction \frac{5\times 22}{12\times 7}.
\frac{55}{42}\times 100
Reduce the fraction \frac{110}{84} to lowest terms by extracting and canceling out 2.
\frac{55\times 100}{42}
Express \frac{55}{42}\times 100 as a single fraction.
\frac{5500}{42}
Multiply 55 and 100 to get 5500.
\frac{2750}{21}
Reduce the fraction \frac{5500}{42} to lowest terms by extracting and canceling out 2.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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}