Use Cramer's rule to solve the linear system.

A. x = 5, y = 7
B. x = -5, y = 7
C. x = -7, y = -5
D. x = 7, y = 5


Answer: D

Mathematics

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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = 8

A. y = u8; u = 5x2 -  - x;  = 87
B. y = 5u2 -  - u; u = x8 = 10x16 -  - x8
C. y = u8; u = 5x2 -  - x;  = 87
D. y = u8; u = 5x2 -  - x;  = 87

Mathematics

Find the probability.When two balanced dice are rolled, there are 36 possible outcomes. What is the probability that the sum of the numbers on the dice is 6 or 11?

A.  
B.  
C.  
D.

Mathematics

Multiply and, if possible, simplify.

A.
B. 11xyz
C. 11xy + z
D.

Mathematics

Find the sum.586.11 + 0.9995 + 49 + 4.123 + 69.996

A. 710.2275 B. 709.229 C. 710.3285 D. 710.2285

Mathematics