Solve the problem.John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he is looking as 35°. He walks 30 feet closer to the tree and finds that the angle of elevation has increased by 12°. Estimate the height of the tree rounded to the nearest whole number.
A. 86 ft
B. 90 ft
C. 67 ft
D. 61 ft
Answer: C
Mathematics
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Four heirs (A, B, C, and D) must fairly divide an estate consisting of two items - a house and a cabin - using the method of sealed bids. The players' bids (in dollars) are:
In the initial allocation, player A
A. gets the cabin and an additional $15,000 from the estate. B. gets the house and pays the estate $135,000. C. gets the house and an additional $55,000 from the estate. D. gets the cabin and pays the estate $15,000. E. none of these
Mathematics
Sketch the graph of the equation.4x + y = 0
A.
B.
C.
D.
Mathematics
Write an equation in slope-intercept form for the line shown.
A. y = -x - 4 B. y = x + 4 C. y = x - 4 D. y = -x + 4
Mathematics
Multiply.43 ×
A.
B.
C.
D.
Mathematics