Solve.xy = 4x + y = 4
A. (2, 2)
B. (2, 4)
C. (3, 1)
D. (1, 4)
Answer: A
Mathematics
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Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round your answer to three decimal places. log4.1225
A. 54.878 B. 0.261 C. 2.352 D. 3.839
Mathematics
Use partial fractions to find the sum of the series.
A. 
B. 
C. 1
D. 3
Mathematics
Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)1.7x + 2.2y - 1.8z = 3.84.6x - 6.8y + 1.3z = -4.33.4x + 4.3y + 4.4z = 10.1
A. {(1.8, 2.6, 0.7)} B. {(0.4, 0.7, 0.2)} C. {(3.6, 5.2, 1.3)} D. {(0.9, 1.3, 0.3)}
Mathematics
Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Mathematics