Solve the equation for the indicated variable. (Leave ± in your answer, when appropriate.)A = 
?r2 for r
A. r = 3
B. r = ± 
C. r = 
D. r = ± 
Answer: B
You might also like to view...
Solve the given differential equation. (The form of yp is given.)D2y - 25y = e-5x (Let yp = Axe-5x.)
A. y = c1e-5x + c2e5x - 
xe5x
B. y = c1e-5x + c2e5x + 
xe-5x
C. y = c1e-5x + c2e5x - 
xe-5x
D. y = c1e-5x + c2e5x - 
xe-5x
Find the measure of the indicated angle. Figure is not drawn to scale.
Find the measure of ?z.
A. 85° B. 75° C. 195° D. 15°
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
If the terminal point determined by t is  figure 1.png)
, find sin t, cos t and tan t.
 figure 3.png)