Ask your own question, for FREE!
Mathematics 13 Online
OpenStudy (anonymous):

A Ferris wheel of diameter 40 m has its centre 21 m above the ground. The wheel rotates once every 30 seconds. If the function y = a cos b(x - c) + d is used to show a rider's height above the ground, starting at the lowest point, then what is the value of d?

OpenStudy (anonymous):

is the answer 21?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!