Evaluate
2.75
Factor
\frac{11}{2 ^ {2}} = 2\frac{3}{4} = 2.75
Quiz
Arithmetic
5 problems similar to:
2 \frac { 3 } { 4 } \times 0.72 + \frac { 7 } { 25 } \times 2.75
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\frac{8+3}{4}\times 0.72+\frac{7}{25}\times 2.75
Multiply 2 and 4 to get 8.
\frac{11}{4}\times 0.72+\frac{7}{25}\times 2.75
Add 8 and 3 to get 11.
\frac{11}{4}\times \frac{18}{25}+\frac{7}{25}\times 2.75
Convert decimal number 0.72 to fraction \frac{72}{100}. Reduce the fraction \frac{72}{100} to lowest terms by extracting and canceling out 4.
\frac{11\times 18}{4\times 25}+\frac{7}{25}\times 2.75
Multiply \frac{11}{4} times \frac{18}{25} by multiplying numerator times numerator and denominator times denominator.
\frac{198}{100}+\frac{7}{25}\times 2.75
Do the multiplications in the fraction \frac{11\times 18}{4\times 25}.
\frac{99}{50}+\frac{7}{25}\times 2.75
Reduce the fraction \frac{198}{100} to lowest terms by extracting and canceling out 2.
\frac{99}{50}+\frac{7}{25}\times \frac{11}{4}
Convert decimal number 2.75 to fraction \frac{275}{100}. Reduce the fraction \frac{275}{100} to lowest terms by extracting and canceling out 25.
\frac{99}{50}+\frac{7\times 11}{25\times 4}
Multiply \frac{7}{25} times \frac{11}{4} by multiplying numerator times numerator and denominator times denominator.
\frac{99}{50}+\frac{77}{100}
Do the multiplications in the fraction \frac{7\times 11}{25\times 4}.
\frac{198}{100}+\frac{77}{100}
Least common multiple of 50 and 100 is 100. Convert \frac{99}{50} and \frac{77}{100} to fractions with denominator 100.
\frac{198+77}{100}
Since \frac{198}{100} and \frac{77}{100} have the same denominator, add them by adding their numerators.
\frac{275}{100}
Add 198 and 77 to get 275.
\frac{11}{4}
Reduce the fraction \frac{275}{100} to lowest terms by extracting and canceling out 25.
Examples
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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
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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}