Use the formulas for the hydraulic press to solve the following problem.A force of 50 lb is applied to a piston of radius 9 in. of a hydraulic press. The large piston has a radius of 18 in. What force is exerted by the large piston? 

A. 50 lb
B. 200 lb
C. 100 lb
D. 400 lb
E. 220 lb

Answer: B

Mathematics

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Complete the table.  Object  Millimeters   (mm)  Centimeters  (cm)  Meters  (m)  Height of plant      0.750 

A.

  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  0.000750  0.00750  0.750 

B.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  750  75  0.750 

C.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  7500  75  0.750 

D.
  Object  Millimeters 
  (mm)		  Centimeters
  (cm)		  Meters
  (m)
  Height of plant  75  7.5  0.750 

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Mathematics

a and b represent the two legs of a right triangle, while c represents the hypotenuse. Find the length of the unknown side.a = 11 ft, c = 61 ft

A. b = 60 ft B. b = 59 ft C. b = 58 ft D. b = 11 ft

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Mathematics

Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin x cos  - cos x = 1

A. 0, ? B. 0 C. ? D. No solution

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Mathematics

Solve the problem.The stretch in a loaded spring varies with the load it supports. If the spring stretches 6.9 cm for every pound of load added, find the distance in centimeters that the spring has stretched when 8 pounds are added.

A. 14.9 cm B. -1.1 cm C. 55.2 cm D. 8 cm

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Mathematics