A water wheel pumps water from a level of -1.5 m up to 2.1 m. It completes a full turn in 20 s. a) Use a sinusoidal funcțion to model the height of the water in metres as a function of time in
seconds if it starts at its lowest point. As well as the function, please include a graph of the
first 20 seconds.

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so

What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?

Find a parametrization for the curve「and determine the work done on a particle moving along γ in r3 through the force field f: r^3--r^3'where f(x,y,z) = (1,-x,z) and (a) im (γ) is the line segment from (0,0,0) to (1,2,1) (b) im (γ) is the polygonal curve with successive vertices (1,0,0), (0,1,1), and (2,2,2) (c) im (γ) is the unit circle in the plane z = 1 with center (0,0,1) beginning and ending at (1,0,1), and starting towards (0,1,1)