Solve the problem.A surveyor is standing 35 ft from the base of a building. She measures the angle of elevation to the top of the building to be 65°. How accurately must the angle be measured for the percentage error in estimating the height of the building to be less than 5%?
A. To within -0.005°
B. To within -0.47°
C. To within -0.02%
D. To within -0.02°
Answer: D
Mathematics
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Solve the problem.Fill in the missing blanks of this subtraction problem.
A. (a) 7, (b) 2, (c) 5 B. (a) 9, (b) 4, (c) 7 C. (a) 8, (b) 3, (c) 5 D. (a) 8, (b) 3, (c) 6
Mathematics
Combine like terms whenever possible. Write the result with descending powers.2x4 + 8x4 - 4x4
A. 6x12 B. 6x4 C. Cannot be simplified D. -64x4
Mathematics
Solve the problem.The height of an object in feet above the ground 4 seconds after it is dropped from a height of 370 is given by the expression 
What is the height of the object?
A. 114 ft B. -114 ft C. 626 ft D. 242 ft
Mathematics
Find the LCD of the rational expressions. Then rewrite each as an equivalent rational expression with the LCD.
; 
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics