Mathematics, 30.06.2019 07:40 lay2578

(with solutions pls ) 1.) the mean of a, b, and c is 0.4. the mean of a, b, c, and d is 0.325. find the values of d 2.)the mean of p, q, and r is 72. the mean of p, q, r, s, and t is 70.8. find the value of s + t 3.) joseph's mean score in 10 tests is 74. what is his total score in these total 10 tests? 4.) the mean of 3, x, x, 4, and 7 is 6. find the value of x 5.) given x is a positive integer. if the median of the set of numbers: 2, 3, 6, x, and x + 2, is 3, find the possible values of x

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(with solutions pls ) 1.) the mean of a, b, and c is 0.4. the mean of a, b, c, and d is 0.325. find...