Solve the rational equation. If there is no solution, state this as your answer. +  = 

A. no solution
B. {54}
C. {108}
D. {0}


Answer: D

Mathematics

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Find the indicated probability.The following table show the results of a clinical trial for an allergy drug.  What is the probability that a randomly selected person was given a placebo or improved? Round your answer to the nearest thousandth when necessary.

A. 0.942 B. 0.69 C. 0.772 D. 0.17

Mathematics

Solve the problem by writing an appropriate system of equations and using the inverse of the coefficient matrix to solve the system.The currents in an unbalanced Wheatstone bridge are given by the following systemof equations.5400I1 - 6200I2 + 4400I3 = 0-6200I1 + 2000I2 + 3000I3 = 04400I1 - 3000I2 + 6800I3 = 8Write this system as a matrix equation.

A.   = 
B.  = 
C.   = 

Mathematics

Provide an appropriate response.If 56ten = bfive then what is b?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the equation in the interval [0°, 360°). Give solutions to the nearest tenth, if necessary.2 cos2? + 7 sin ? = 5

A. {30°, 210°} B. ? C. {30°, 330°} D. {90°, 48.6°, 131.4°}

Mathematics