Evaluate
508.5
Factor
\frac{113 \cdot 3 ^ {2}}{2} = 508\frac{1}{2} = 508.5
Quiz
Arithmetic
5 problems similar to:
\frac { 720 } { 16 } \times 0.90 + \frac { 90 } { 30 } \times 156
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45\times 0.9+\frac{90}{30}\times 156
Divide 720 by 16 to get 45.
40.5+\frac{90}{30}\times 156
Multiply 45 and 0.9 to get 40.5.
40.5+3\times 156
Divide 90 by 30 to get 3.
40.5+468
Multiply 3 and 156 to get 468.
508.5
Add 40.5 and 468 to get 508.5.
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}