Evaluate
\frac{242}{7}\approx 34.571428571
Factor
\frac{2 \cdot 11 ^ {2}}{7} = 34\frac{4}{7} = 34.57142857142857
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35+\frac{3}{10-7+10-4\times 5}
Subtract 7 from 10 to get 3.
35+\frac{3}{3+10-4\times 5}
Subtract 7 from 10 to get 3.
35+\frac{3}{13-4\times 5}
Add 3 and 10 to get 13.
35+\frac{3}{13-20}
Multiply 4 and 5 to get 20.
35+\frac{3}{-7}
Subtract 20 from 13 to get -7.
35-\frac{3}{7}
Fraction \frac{3}{-7} can be rewritten as -\frac{3}{7} by extracting the negative sign.
\frac{245}{7}-\frac{3}{7}
Convert 35 to fraction \frac{245}{7}.
\frac{245-3}{7}
Since \frac{245}{7} and \frac{3}{7} have the same denominator, subtract them by subtracting their numerators.
\frac{242}{7}
Subtract 3 from 245 to get 242.
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y = 3x + 4
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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}