Evaluate
16.68
Factor
\frac{3 \cdot 139}{5 ^ {2}} = 16\frac{17}{25} = 16.68
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0.2\left(27.8+7.1+14+6.2+13+6.8+8.5\right)
Add 18.3 and 9.5 to get 27.8.
0.2\left(34.9+14+6.2+13+6.8+8.5\right)
Add 27.8 and 7.1 to get 34.9.
0.2\left(48.9+6.2+13+6.8+8.5\right)
Add 34.9 and 14 to get 48.9.
0.2\left(55.1+13+6.8+8.5\right)
Add 48.9 and 6.2 to get 55.1.
0.2\left(68.1+6.8+8.5\right)
Add 55.1 and 13 to get 68.1.
0.2\left(74.9+8.5\right)
Add 68.1 and 6.8 to get 74.9.
0.2\times 83.4
Add 74.9 and 8.5 to get 83.4.
16.68
Multiply 0.2 and 83.4 to get 16.68.
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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
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}