## Recent **Performance Management** Questions & Answers

###### R ADIOACTIVE D ECAY The half-life of an isotope of polo-
nium is 138 days. If an ore sample originally contained
3 milligrams of polonium, how many mi...

##### R ADIOACTIVE D ECAY The half-life of an isotope of polo-
nium is 138 days. If an ore sample originally contained
3 milligrams of polonium, how many milligrams of
polonium remain after 100 days? Round to the nearEt
tenth of a milligram....

###### Solve 5 x ? 10. Round to the nearEt hundredth....

##### Solve 5 x ? 10. Round to the nearEt hundredth....

###### Sketch the graph of the polar equation r ? 2 _x0002_ 2 cos _x0013_ ....

##### Sketch the graph of the polar equation r ? 2 _x0002_ 2 cos _x0013_ ....

###### Transform the point ?1, 1? in a rectangular coordinate
system to a point in a polar coordinate system...

##### Transform the point ?1, 1? in a rectangular coordinate
system to a point in a polar coordinate system...

###### Find the two square roots of the imaginary number i....

##### Find the two square roots of the imaginary number i....

###### Use De Moivre...

##### Use De Moivre...

###### For triangle ABC, B ? 32...

##### For triangle ABC, B ? 32...

###### G ROUND S PEED AND C OURSE OF A P LANE An airplane is
traveling with an airspeed of 400 mph at a heading of
48...

##### G ROUND S PEED AND C OURSE OF A P LANE An airplane is
traveling with an airspeed of 400 mph at a heading of
48...

###### Find the angle between the vectors v ? ?2, _x0002_3? and
w ? ?_x0002_3, 4? . Round to the nearEt tenth of a degree....

##### Find the angle between the vectors v ? ?2, _x0002_3? and
w ? ?_x0002_3, 4? . Round to the nearEt tenth of a degree....

###### Find the magnitude and direction angle for the vector
?_x0002_3, 4?. Round the angle to the nearEt tenth of a degree....

##### Find the magnitude and direction angle for the vector
?_x0002_3, 4?. Round the angle to the nearEt tenth of a degree....