Evaluate
\frac{92}{5}=18.4
Factor
\frac{2 ^ {2} \cdot 23}{5} = 18\frac{2}{5} = 18.4
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\frac{20+1}{5}\times \frac{3\times 7+2}{7}\left(1+\frac{1}{3}\right)
Multiply 4 and 5 to get 20.
\frac{21}{5}\times \frac{3\times 7+2}{7}\left(1+\frac{1}{3}\right)
Add 20 and 1 to get 21.
\frac{21}{5}\times \frac{21+2}{7}\left(1+\frac{1}{3}\right)
Multiply 3 and 7 to get 21.
\frac{21}{5}\times \frac{23}{7}\left(1+\frac{1}{3}\right)
Add 21 and 2 to get 23.
\frac{21\times 23}{5\times 7}\left(1+\frac{1}{3}\right)
Multiply \frac{21}{5} times \frac{23}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{483}{35}\left(1+\frac{1}{3}\right)
Do the multiplications in the fraction \frac{21\times 23}{5\times 7}.
\frac{69}{5}\left(1+\frac{1}{3}\right)
Reduce the fraction \frac{483}{35} to lowest terms by extracting and canceling out 7.
\frac{69}{5}\left(\frac{3}{3}+\frac{1}{3}\right)
Convert 1 to fraction \frac{3}{3}.
\frac{69}{5}\times \frac{3+1}{3}
Since \frac{3}{3} and \frac{1}{3} have the same denominator, add them by adding their numerators.
\frac{69}{5}\times \frac{4}{3}
Add 3 and 1 to get 4.
\frac{69\times 4}{5\times 3}
Multiply \frac{69}{5} times \frac{4}{3} by multiplying numerator times numerator and denominator times denominator.
\frac{276}{15}
Do the multiplications in the fraction \frac{69\times 4}{5\times 3}.
\frac{92}{5}
Reduce the fraction \frac{276}{15} to lowest terms by extracting and canceling out 3.
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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}