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  • ...ma when working alone. Let <math>h</math> be the number of hours needed by Alpha and Beta, working together, to do the job. Then <math>h</math> equals:
    19 KB (3,159 words) - 22:10, 11 March 2024
  • ...women in the volunteer group, how many combinations of three women and two men could Hannah choose from the volunteer group to run the classes? ...having half the women work while only <math>2</math> of the <math>7</math> men work on some months means that some of the women risk getting burned out. A
    71 KB (11,749 words) - 01:31, 2 November 2023
  • ...tes <math>(\alpha,\beta)</math> in the new coordinate system. Find <math>\alpha + \beta</math>. ...rder. Let <math>p</math> be the probability that a group of at least four men stand together in the line, given that every man stands next to at least on
    10 KB (1,634 words) - 22:21, 28 December 2023
  • ...ma when working alone. Let <math>h</math> be the number of hours needed by Alpha and Beta, working together, to do the job. Then <math>h</math> equals: ...</math>,<math>B</math>,<math>C</math> denote the number of hours needed by Alpha, Beta, Gamma, respectively. We also have their respective efficiency <math>
    2 KB (267 words) - 12:19, 22 November 2022
  • In a certain population the ratio of the number of women to the number of men is <math>11</math> to <math>10</math>. ...metic mean) age of the women is <math>34</math> and the average age of the men is <math>32</math>,
    15 KB (2,309 words) - 23:43, 2 December 2021