Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Answer: C
Mathematics
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Clear fractions then solve by substitution.
x + 
y = 2
x - 
y = - 
A. ? B. {(1, 7)} C. {(-2, 7)} D. {(2, 6)}
Mathematics
Solve the problem.The height h of a ball thrown is given by 
, where x is the horizontal distance traveled and both measurements are in feet. At what horizontal distances will the height of the ball be more than 
(Round distances to the nearest tenth of a foot, if necessary.)
A. 5.9 ft < x < 25 ft B. 0 ft < x < 19.1 ft C. 0 ft < x < 5.9 ft or 19.1 ft < x < 25 ft D. 5.9 ft < x < 19.1 ft
Mathematics
Subtract.5436 - 2748
A. 2778 B. 2688 C. 3188 D. 2648
Mathematics
Write the whole number in expanded form.60,750
A. 6000 + 700 + 5 B. 60,000 + 700 + 50 C. 6000 + 70 + 5 D. 60,000 + 7000 + 50
Mathematics