Two balls are drawn, from a bag containing 3 red, 4 white and 5 black…
Two balls are drawn, from a bag containing 3 red, 4 white and 5 black identical balls. Find…
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A force F acts on a body of mass 12kg increases its speed from 5…
A force F acts on a body of mass 12kg increases its speed from 5 m/s to 35…
If the mean of -1, 0, 9, 3, k, 5 is 2, where k is…
If the mean of -1, 0, 9, 3, k, 5 is 2, where k is a constant, find…
Eight football clubs are to play in a league on home and away basis. How…
Eight football clubs are to play in a league on home and away basis. How many matches are…
Evaluate (begin{pmatrix} 2 & 3 \ 4 & 1 end{pmatrix} begin{pmatrix} 2 \ 3 end{pmatrix}).
Evaluate (begin{pmatrix} 2 & 3 \ 4 & 1 end{pmatrix} begin{pmatrix} 2 \ 3 end{pmatrix}). A. (13, 11)…
Two fair dices, each numbered 1, 2, …, 6, are tossed together. Find the probability…
Two fair dices, each numbered 1, 2, …, 6, are tossed together. Find the probability that they both…
Simplify (2log_{3} 8 – 3log_{3} 2)
Simplify (2log_{3} 8 – 3log_{3} 2) A. (-log_{3} 4) B. (-log_{3} 2) C. (3log_{3} 2) D. (3log_{3} 4)…
Calculate, correct to the nearest degree, the angle between the vectors (begin{pmatrix} 13 \ 1…
Calculate, correct to the nearest degree, the angle between the vectors (begin{pmatrix} 13 \ 1 end{pmatrix}) and (begin{pmatrix}…
Three men, P, Q and R aim at a target, the probabilities that P, Q…
Three men, P, Q and R aim at a target, the probabilities that P, Q and R hit…
The position vectors of A and B are (2i + j) and (-i + 4j)…
The position vectors of A and B are (2i + j) and (-i + 4j) respectively; find |AB|.…