(a) How far is the right end of the rod (the point B) from the center of the wheel at time t=1/21 sec?
1+√13
(b) Express the x-coordinate of the right end of the rod as a function of t:
(2cos(7πt)+√16−4sin2(7πt),0) .
(c) Express the speed of the right end of the rod as a function of t:

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Which expression is equivalent to sq-80

Angle that produces maximum distance