Evaluate
\frac{2209}{150}\approx 14.726666667
Factor
\frac{47 ^ {2}}{2 \cdot 3 \cdot 5 ^ {2}} = 14\frac{109}{150} = 14.726666666666667
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\left(\frac{47}{15}\right)^{2}\times 1.5
Expand \frac{4.7}{1.5} by multiplying both numerator and the denominator by 10.
\frac{2209}{225}\times 1.5
Calculate \frac{47}{15} to the power of 2 and get \frac{2209}{225}.
\frac{2209}{150}
Multiply \frac{2209}{225} and 1.5 to get \frac{2209}{150}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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\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
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