Represent the vector in the form v = ai + bj whose magnitude and direction angle are given.
= 10; ? = 120°
A. v = -5i + 5
j
B. v = -5
i + 5
j
C. v = 5
i - 5j
D. v = 5i - 5
j
Answer: A
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?
?
A. ?
B. ?
C. ?
D. ?
Solve the problem. Round to the nearest cent.An invoice for a laptop computer that cost $479.37 is dated September 11, with sales terms of 2/9 EOM. If the bill is paid October 7, find the cash discount and net amount paid.
A. Cash discount: $0; net amount: $479.37 B. Cash discount: $9.39; net amount: $468.37 C. Cash discount: $9.59; net amount: $ $469.78 D. Cash discount: $43.14; net amount: $436.23
Decompose into partial fractions.
A. 2x - 9 + 
- 
B. 2x + 9 - 
+ 
C. 2x + 5 - 
+ 
D. 2x - 9 - 
+ 
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = 
A. f(x) = 
, g(x) = 5x + 4
B. f(x) = 
, g(x) = 10
C. f(x) = 
, g(x) = 5x + 4
D. f(x) = 10, g(x) = 