Translate from English to an algebraic expression or equation, whichever is appropriate. Let the variable x represent the number.A number decreased by 
is half of that number.
A. x + 
= 
x
B. x - 
+ 
x
C. x = 
- 
x
D. x - 
= 
x
Answer: D
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Write the set in set-builder notation.The set of all calculus books
A. {x is a calculus book} B. {any calculus book} C. {x | x is a calculus book} D. {a calculus book}
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Which of the following edges of the given network are not part of the minimum spanning tree?
A. EB B. BD C. AC D. AB E. none of these
Solve the triangle with the given parts.? = 28.2°, ? = 28.3°, a = 15.9
A. ? = 123.5°, b = 28.1, c = 16.0 B. ? = 123.5°, b = 16.0, c = 28.1 C. ? = 124.5°, b = 28.1, c = 16.0 D. ? = 124.5°, b = 16.0, c = 28.1
Use the given information to find the exact value of the trigonometric function.sin ? = - 
, ? lies in quadrant IV
Find cos 
.
A. - 
B. 
C. 
D. - 