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2. Fraction - Wikipedia

   en.wikipedia.org/wiki/Fraction

   The picture to the right illustrates ⁠ 3 / 4 ⁠ of a cake. Fractions can be used to represent ratios and division. [1] Thus the fraction ⁠ 3 / 4 ⁠ can be used to represent the ratio 3:4 (the ratio of the part to the whole), and the division 3 ÷ 4 (three divided by four).

3. Duolingo - Wikipedia

   en.wikipedia.org/wiki/Duolingo

   Duolingo Math is an app course for learning elementary mathematics. It was announced on YouTube on August 27, 2022, at the Duocon 2022 event. [69] Duolingo Math covers math topics through an interactive and gradual approach. It starts with basic arithmetic—addition, subtraction, multiplication, and division. The app also teaches fractions and ...

4. 3/4 - Wikipedia

   en.wikipedia.org/wiki/3/4

   Download QR code; Print/export Download as PDF; ... 3/4 or 3 ⁄ 4 or ¾ may refer to: The fraction three quarters (3 ...

5. Cross-multiplication - Wikipedia

   en.wikipedia.org/wiki/Cross-multiplication

   This is a common procedure in mathematics, used to reduce fractions or calculate a value for a given variable in a fraction. If we have an equation =, where x is a variable we are interested in solving for, we can use cross-multiplication to determine that =.

6. 3/8 - Wikipedia

   en.wikipedia.org/wiki/3/8

   3/8 or 3 ⁄ 8 may refer to: 3rd Battalion, 8th Marines; the calendar date March 8 (United States) the calendar date August 3 (Gregorian calendar) the fraction, three eighths or 0.375 in decimal; a time signature; 3/8, a 2007 album by Kay Tse

7. Square root of 3 - Wikipedia

   en.wikipedia.org/wiki/Square_root_of_3

   The square root of 3 is the positive real number that, when multiplied by itself, gives the number 3. It is denoted mathematically as 3 {\textstyle {\sqrt {3}}} or 3 1 / 2 {\displaystyle 3^{1/2}} . It is more precisely called the principal square root of 3 to distinguish it from the negative number with the same property.

8. Camden, New Jersey - Wikipedia

   en.wikipedia.org/wiki/Camden,_New_Jersey

   The average household size was 3.02 and the average family size was 3.56. [ 214 ] 31.0% of the population were under the age of 18, 13.1% from 18 to 24, 28.0% from 25 to 44, 20.3% from 45 to 64, and 7.6% who were 65 years of age or older.

9. Correlation - Wikipedia

   en.wikipedia.org/wiki/Correlation

   The Pearson correlation can be accurately calculated for any distribution that has a finite covariance matrix, which includes most distributions encountered in practice. However, the Pearson correlation coefficient (taken together with the sample mean and variance) is only a sufficient statistic if the data is drawn from a multivariate normal ...