Solve.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 124 lb on earth weighs 24.8 lb on the Moon. How much would a 117-lb person weigh on the Moon?
A. 23.4 lb
B. 0.2 lb
C. 265.8 lb
D. 585 lb
Answer: A
Mathematics
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Use the limit comparison test to determine if the series converges or diverges.
A. Converges B. Diverges
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Write a formula for the nth term of the given geometric sequence. Do not use a recursion formula.
, 
, 
, 
, ...
A. an = 
- 
(n - 1)
B. an = 
n - 1
C. an = 
n - 1- 
D. an = 
+ 
(n - 1)
Mathematics
List the terms of the expression. Then identify the coefficient of each term.5a2 - 7a
A. 5a2, 7a; 5, 7 B. a2, a; 5, 7 C. 5a2, -7a; 5, -7 D. a2, a; 5, -7
Mathematics
Find cos(A + B).cos A = 
and 
, where 
and 
.
A. - 
B. 
C. - 
D. 
Mathematics