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Pre-Algebra
Mean
Mode
Greatest Common Factor
Least Common Multiple
Order of Operations
Fractions
Mixed Fractions
Prime Factorization
Exponents
Radicals
Algebra
Combine Like Terms
Solve for a Variable
Factor
Expand
Evaluate Fractions
Linear Equations
Quadratic Equations
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Systems of Equations
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Trigonometry
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26
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Solution Steps
6.5 \times 4
Multiply 6.5 and 4 to get 26.
26
Factor
2\times 13
Quiz
Arithmetic
5 problems similar to:
6.5 \times 4
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Max has a 5 \times 6 card and he enlarged it to be 7.5 \times 9. What was the scale factor?
https://www.quora.com/Max-has-a-5-times-6-card-and-he-enlarged-it-to-be-7-5-times-9-What-was-the-scale-factor
7.5/5=1.5 9/6=1.5 so the answer is 1.5
How do you evaluate \displaystyle{0.56}\times{48} ?
https://socratic.org/questions/how-do-you-evaluate-0-56-times-48
\displaystyle{26.88} Explanation: \displaystyle{0.56} can be rewritten as \displaystyle\frac{{56}}{{100}} and \displaystyle{48} as \displaystyle\frac{{48}}{{1}} . Therefore, \displaystyle\frac{{56}}{{100}}\cdot\frac{{48}}{{1}}=\frac{{2688}}{{100}} ...
Is there more than one way to multiply \displaystyle{25}\times{14} ?
https://socratic.org/questions/5a3557397c01492ecbf06072
The product is \displaystyle{350} , but there are several ways to get that answer. Explanation: Vertical Multiplication \displaystyle{\left.\begin{array}{cc} \ \text{ }\ &{\left({x}\right)}{25}\\\times&\underline{{{\left({x}\right)}{14}}}\\\ \text{ }\ &{100}\\\ \text{ }\ &\underline{{{250}}}\\\ \text{ }\ &{350}\end{array}\right.} ...
How to calculate the height of liquid in a communicating vessel after another liquid is added [closed]
https://physics.stackexchange.com/q/369920
Let h_0 be the initial level in both arms. Now we add the 3.75\ \mathrm{cm} (call it h_1) of B to the right hand side and the level of A in the right arm drops by h (2.5\ \mathrm{cm}). ...
Proving that 5^n-1 is divisible by 4 for n\geq 0 by induction
https://math.stackexchange.com/questions/1269491/proving-that-5n-1-is-divisible-by-4-for-n-geq-0-by-induction
...or without direct induction, using A^n-B^n=(A-B)\left((A^{n-1}+A^{n-2}B+\ldots+AB^{n-2}+B^{n-1}\right) ...which is proved, of course, with induction... :) , and then 5^n-1=5^n-1^n=\overbrace{(5-1)}^{=4}(5^{n-1}+5^{n-2}+\ldots+5+1) ...
cant understand this basic division
https://math.stackexchange.com/questions/2264142/cant-understand-this-basic-division
Notice that in your long division, you are dividing .5 for each position. You did it so for the first position and you get 4. However, when you do it for the second position (first decimal point), ...
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26
Multiply 6.5 and 4 to get 26.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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}
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