Translate to a proportion and solve. 45% of what is 72?
A. 160
B. 0.63
C. 63
D. 1600
Answer: A
You might also like to view...
Find the limit.
sec x
A. 0 B. -? C. 1 D. ?
Solve the problem.A small frictionless cart, attached to the wall by a spring, is pulled 10 cm back from its rest position and released at time t = 0 to roll back and forth for 4 sec. Its position at time t is 
. What is the cart's maximum speed? When is the cart moving that fast? What is the magnitude of of the acceleration then?
A. 10? ? 31.42 cm/sec; t = 0 sec, 1 sec, 2 sec, 3 sec; acceleration is 0 cm/sec2 B. 10? ? 31.42 cm/sec; t = 0.5 sec, 1.5 sec, 2.5 sec, 3.5 sec; acceleration is 0 cm/sec2 C. 10? ? 31.42 cm/sec; t = 0.5 sec, 2.5 sec; acceleration is 1 cm/sec2 D. ? ? 3.14 cm/sec; t = 0.5 sec, 1.5 sec, 2.5 sec, 3.5 sec; acceleration is 0 cm/sec2
Use the Pythagorean theorem to find the missing side of the right triangle with legs a and b, and hypotenuse c. Approximate values to the nearest tenth when appropriate.a = 4 cm, b = 6 cm
A. 26 cm B. 7.2 cm C. 52 cm D. 5 cm
Consider the series
?
.
?
Determine whether the series converges or diverges.
?
If it converges, find its sum.
What will be an ideal response?