Evaluate
3.825
Factor
\frac{17 \cdot 3 ^ {2}}{5 \cdot 2 ^ {3}} = 3\frac{33}{40} = 3.825
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\frac{7.2+4.5+3.6}{4}
Add 3.15 and 4.05 to get 7.2.
\frac{11.7+3.6}{4}
Add 7.2 and 4.5 to get 11.7.
\frac{15.3}{4}
Add 11.7 and 3.6 to get 15.3.
\frac{153}{40}
Expand \frac{15.3}{4} by multiplying both numerator and the denominator by 10.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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}