Solve the equation.log (4 + x) - log (x - 3) = log 2
A. 
B. no solutions
C. 10
D. - 10
Answer: C
Mathematics
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Solve the problem.Find the magnitude of the torque in foot-pounds at point P for the following lever:
= 8 in. and 
= 15 lb
A. 9.06 ft-lb B. 4.23 ft-lb C. 9.72 ft-lb D. 120 ft-lb
Mathematics
Identify the type of surface represented by the given equation. y2 + z2 = 1
A.
| Ellipsoid |
B.
| Parabolic cylinder |
C.
| Paraboloid |
D.
| Cylinder |
Mathematics
Find ? for 0° ? ? < 360°.cot ? = 1.233
A. 35.80°, 324.20° B. 50.96°, 10,364.20° C. 39.04°, 219.04° D. 39.04°, 140.96°
Mathematics
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Determine the distance, w, the outside walls are apart, if the height of each wall is 9 m.
A. 12.5 m B. 6.25 m C. 39 m D. 11.1 m
Mathematics