A bicycle pedal is pushed by a foot with a force of a-N as shown. The shaft of the pedal is cm long. Find the magnitude of the torque about P correct to two decimal places.

8.19

Mathematics

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Sketch the graph.The blade of a saber saw moves vertically up and down. The vertical displacement y (in cm) is given by , where t is in seconds. Sketch the graph of y as a function of t, for 

A.

B.

C.

D.

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Mathematics

Provide an appropriate response.Solve the following absolute value equation:   = 5

Fill in the blank(s) with the appropriate word(s).

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Mathematics

Convert the angle in degrees to radians. Express the answer as multiple of ?.144°

A.
B.
C.
D.

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Mathematics

Graph the parabola. Identify the vertex, axis, domain and range.f(x) = - x2 + 6

A. Vertex: (0, 6); Axis: x = 0; 
Domain: (-?, ?); Range: [6, ?)

B. Vertex: ; Axis: x = 0; 
Domain: (-?, ?); Range: , 

C. Vertex: (0, - 6); Axis: x = 0; 
Domain: (-?, ?); Range: [- 6, ?)

D. Vertex: (0, 6); Axis: x = 0; 
Domain: (-?, ?); Range: [6, ?)

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Mathematics