The tide at an Eastern seaport is at its maximum at 3 a. m. High tide is 24 ft deep. Low tide occurs at 9 a. m. with a depth of 4 ft. The water depths can be modeled by a sinusoidal function. Allow x=0 to represent midnight. Find the following:

Period = Equation of the midline:

Amplitude =

Maximum = Minimum =

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2