Evaluate
\frac{79}{19}\approx 4.157894737
Factor
\frac{79}{19} = 4\frac{3}{19} = 4.157894736842105
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\frac{10}{19}\times \frac{1}{1000}\times 7.9\times 10\times 10\times 10
Convert decimal number 0.001 to fraction \frac{1}{1000}.
\frac{10\times 1}{19\times 1000}\times 7.9\times 10\times 10\times 10
Multiply \frac{10}{19} times \frac{1}{1000} by multiplying numerator times numerator and denominator times denominator.
\frac{10}{19000}\times 7.9\times 10\times 10\times 10
Do the multiplications in the fraction \frac{10\times 1}{19\times 1000}.
\frac{1}{1900}\times 7.9\times 10\times 10\times 10
Reduce the fraction \frac{10}{19000} to lowest terms by extracting and canceling out 10.
\frac{1}{1900}\times \frac{79}{10}\times 10\times 10\times 10
Convert decimal number 7.9 to fraction \frac{79}{10}.
\frac{1\times 79}{1900\times 10}\times 10\times 10\times 10
Multiply \frac{1}{1900} times \frac{79}{10} by multiplying numerator times numerator and denominator times denominator.
\frac{79}{19000}\times 10\times 10\times 10
Do the multiplications in the fraction \frac{1\times 79}{1900\times 10}.
\frac{79\times 10}{19000}\times 10\times 10
Express \frac{79}{19000}\times 10 as a single fraction.
\frac{790}{19000}\times 10\times 10
Multiply 79 and 10 to get 790.
\frac{79}{1900}\times 10\times 10
Reduce the fraction \frac{790}{19000} to lowest terms by extracting and canceling out 10.
\frac{79\times 10}{1900}\times 10
Express \frac{79}{1900}\times 10 as a single fraction.
\frac{790}{1900}\times 10
Multiply 79 and 10 to get 790.
\frac{79}{190}\times 10
Reduce the fraction \frac{790}{1900} to lowest terms by extracting and canceling out 10.
\frac{79\times 10}{190}
Express \frac{79}{190}\times 10 as a single fraction.
\frac{790}{190}
Multiply 79 and 10 to get 790.
\frac{79}{19}
Reduce the fraction \frac{790}{190} to lowest terms by extracting and canceling out 10.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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}