Evaluate
\frac{225}{7}\approx 32.142857143
Factor
\frac{3 ^ {2} \cdot 5 ^ {2}}{7} = 32\frac{1}{7} = 32.142857142857146
Quiz
Arithmetic
5 problems similar to:
\frac { 25 } { 4 } \times \frac { 22 } { 7 } + \frac { 25 } { 2 }
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\frac{25\times 22}{4\times 7}+\frac{25}{2}
Multiply \frac{25}{4} times \frac{22}{7} by multiplying numerator times numerator and denominator times denominator.
\frac{550}{28}+\frac{25}{2}
Do the multiplications in the fraction \frac{25\times 22}{4\times 7}.
\frac{275}{14}+\frac{25}{2}
Reduce the fraction \frac{550}{28} to lowest terms by extracting and canceling out 2.
\frac{275}{14}+\frac{175}{14}
Least common multiple of 14 and 2 is 14. Convert \frac{275}{14} and \frac{25}{2} to fractions with denominator 14.
\frac{275+175}{14}
Since \frac{275}{14} and \frac{175}{14} have the same denominator, add them by adding their numerators.
\frac{450}{14}
Add 275 and 175 to get 450.
\frac{225}{7}
Reduce the fraction \frac{450}{14} to lowest terms by extracting and canceling out 2.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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}