Mathematics, 13.09.2019 19:30, zionboy77
(a) consider the following system of equations: x- 2y +3z-6 2x +3y +z-7 (i) write the equations in matrix form, ax-b. (2 marks) (ii) solve for x, y, and z using the inverse method. (8 marks) (iii) verify that your solution is correct. (1 mark) (iv) solve for y using cramer's theorem. (4 marks) (b) consider the following matrix e for which k is a constant: εξ1k 20 the determinant of e can be expressed as det(e) -k-10k+16 (i) state detce) in terms of k. (2 marks) (ii) for which values of k is e a singular matrix? (3 marks)
Answers: 3
Mathematics, 21.06.2019 17:00, landenDfisher
For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is
Answers: 2
Mathematics, 21.06.2019 21:40, skylarbrown018
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?
Answers: 2
Mathematics, 21.06.2019 22:00, connorhanratty6487
James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays
Answers: 1
(a) consider the following system of equations: x- 2y +3z-6 2x +3y +z-7 (i) write the equations in...
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