Joe buys a polythene tunnel to protect his plants from frost. it has a semicircular cross section with a diameter of 70cm and a length of 3m. a) find the cross sectional area in m^2

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

How can you construct perpendicular lines and prove theorems about perpendicular lines