Solve the problem.The viewing angle for a camera is given (in degrees) by
where x is the focal length of the lens. The focal length on most adjustable cameras is marked in millimeters on the lense mount. Find the viewing angle, in degrees, if the focal length is 120 millimeters.
A. 164.8°
B. 106.3°
C. 15.2°
D. 7.6°
Answer: C
Mathematics
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Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest hundred. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 126,200 ; no B. Estimate: 138,200 ; no C. Estimate: 126,200 ; yes D. Estimate: 138,200 ; yes
Mathematics
Find the volume.
A. 43.26 m3 B. 301.44 m3 C. 160.14 m3 D. 103.62 m3
Mathematics
Simplify the given expression. Express answer with positive exponents.
A.
B. - 7k17
C. -
D.
Mathematics
Graph.y = -2x2 - 4x + 2
A.
B.
C.
D.
Mathematics