Use a graphing calculator and the method of matrix inverses to solve the system. Give 5 decimal places.(log 2)x + (ln 3)y+ (ln 5)z = 4(ln 3)x + (log 8)y + (ln 10)z = 11(log 23)x + (ln 7)y + (ln 4)z = 15
A. ?
B. {(0.30103, 9.0309, 1.38629)}
C. {(4.12321, 3.91519, 1.27440)}
D. {(9.25474, 1.35236, -0.16880)}
Answer: D
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Write the first four terms of the sequence.an = 6n - 9
A. a1 = 6, a2 = 3, a3 = 9, a4 = 15 B. a1 = 15, a2 = 3, a3 = 9, a4 = 15 C. a1 = -3, a2 = 21, a3 = 9, a4 = 33 D. a1 = -3, a2 = 3, a3 = 9, a4 = 15
Graph the parabola.y = x2 + 10x + 25
A. 
B. 
C. 
D. 
Find the values of x and y.
= 
A. x = 
, y = 7
B. x = 4, y = 7
C. x = 5, y = 7
D. x = 3, y = -7
Find the indicated probability. Round as indicated.A test consists of 10 true/false questions. To pass the test a student must answer at least 9 questions correctly. If a student guesses on each question, what is the probability that the student will pass the test? Estimate the probability to three decimal places if necessary.
A. 0.011 B. 0.010 C. 0.999 D. 0.001