Floor joist are rectangular beams of wood used to support floors in buildings. The joists are cut from circular logs with a radius of 15 centimetres. The strength of a joist is proportional to the...

A sector with central angle θ is cut from a circle of radius R = 24 inches , and the edges of the sector are brought together to form a cone. Find the magnitude of θ such that the volume of the cone...

(1 point) If 8x-22 ≤ f(x) ≤ x2+4x-18 determine: lim(x→2) f(x)= What theorem did you use to arrive at your answer?

Siraj and Son Live near eachother. Sirajs house is 20 km east of Sons house. Siraj runs 12 km/h to sons house. son goes south to the beach at 9km/h. they start at 9 and go on for 2.5 hours. when will...

(1 point) The graph of the function f(x)= 7x-3 can be obtained from the graph of g(x)= 7x by one of the following actions: (a) shifting the graph of to the right 3 units; (b) shifting...

lim x->1 (tan(πx/4)-1)/(sin(πx)) Answer is -1/2 I tried to apply multiply up and down by the numerator conjugate and then don't know how to proceed. Is this even necessary? or is there...

A school wants to enclose behind a wall of the building 2 adjacent equal rectangular courtyards of total area 19200 square feet with a fence that cost \$50.00 per foot. Find the dimension of each courtyard...