For the differential equation, find the particular solution
when
.
?
?
A.
B. ?
C. ?
D. ?
E. ?
Answer: B
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Solve.A water tank can be filled in 5 minutes and emptied in 9 minutes. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?
A. 28 min B. 11.25 min C. 20 min D. 4 min
Simplify.
A.
B.
C. -
D.
Answer the following statement(s) true (T) or false (F)
1. If a similitude takes ?ABC to ?A'B'C' so that A'B'/AB = 5, then the ratio of the area of ?A'B'C to the area of ?ABC is 5. 2. The reflection with respect to maps square ABCD onto itself. 3. Every glide reflection has at least one fixed point. 4. Size transformations are the one type of transformation that does not have an identity transformation. 5. All polygons have n reflections onto themselves. 6. If A'B'C' is the image of ?ABC under a similitude, then the area of ?A'B'C is the same as the area of ?ABC.
Solve.The temperature in a town drops 3 degrees per hour for 8 consecutive hours. Use an integer to describe the overall change in temperature for the town.
A. -16 B. -24°° C. -3° D. -24°