Solve the logarithmic equation.log 5x = log 3 + log (x + 4)

A.
B. 6
C. -6
D.


Answer: B

Mathematics

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Solve.-  = 

A. m = - 
B. m = 
C. m = - 
D. m = -4

Mathematics

Find x: x2 - 10x + 16 = 0

a. x = 16, 10 b. x = 4, -4 c. x = -8, -2 d. x = 8, 2 e. x = -16, -10

Mathematics

Find the unknown side of the right triangle. Use a calculator or square root table when necessary and round to the nearest thousandth.10 cm

A. 6.5 cm B. 54.5 cm C. 109 cm D. 10.44 cm

Mathematics

Use technology to solve the system.0.9x - 0.3y = -3.30.7x + 0.7y = 2.1

A. (-2, 17) B. (-2, 5) C. (-1.7, 5.9) D. (-1.7, 17)

Mathematics