Find the midrange for the set of data.1.3, 2.2, 1.5, 2.6, 1.3, 2.2, 1.3, 9.4, 9.4, 1.8
A. 5.35
B. 1.75
C. 1.95
D. 5.45
Answer: A
Mathematics
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Factor by grouping.10x2 + 15xy - 4xy - 6y2
A. (5x + 2y)(2x + 3y) B. (10x - 2y)(x + 3y) C. (5x - 2)(2x + 3) D. (5x - 2y)(2x + 3y)
Mathematics
Solve.
- 
= 
A. {-7} B. {-7, 7} C. {7} D. ?
Mathematics
Factor the trigonometric expression and simplify.sec4x - 2 sec2x tan2x + tan4x
A. 1 B. sec2x + tan2x C. sec2x (1 + tan2x) D. 2
Mathematics
Use a graphing calculator to approximate the area between the graphs of the pair of functions on the given interval.y = ln x and y = xex; [1, 4]
A. 162.249 B. 161.249 C. 215.847 D. 155.249
Mathematics