Solve and check. Begin by using the addition or multiplication principles of equality to isolate the squared term. 0.6x2 - 0.3 = 0.186
A. ±0.19
B. no real solution
C. ±0.81
D. ±0.9
Answer: D
Mathematics
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Determine the amplitude and find the phase shift in radians (to the nearest tenth).y = 
sin x + 
cos x
A. 
, -0.3
B. 
, 0.3
C. 
, -0.3
D. 
, 0.3
Mathematics
Factor:
Mathematics
Solve the problem.Elissa wants to set up a rectangular dog run in her backyard. She has 24 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
A. A = 12x - x2 B. A = 11x - x2 C. A = 14x2 - x D. A = 13x - x2
Mathematics
In order to prepare her budget, Sue gathers receipts for all major expenses she has had over the last month. Round the figure to the nearest dollar.Groceries, $582.09
A. $581 B. $582.10 C. $582 D. $583
Mathematics