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valina [46]
3 years ago
8

A seat’s position on a Ferris wheel can be modelled by the function y = 18 cos 2.8(x + 1.2) + 21, where y represents the height

in feet and x represents the time in minutes. Determine the diameter of the Ferris wheel.
Mathematics
2 answers:
jeka57 [31]3 years ago
8 0
Step by step expression
Hitman42 [59]3 years ago
6 0

Step-by-step explanation:

A ball is thrown straight up from a rooftop 320 feet high. The formula below describes the ball's height above the ground, h, in feet, t seconds after it was thrown. The ball misses the rooftop on its way down and eventually strikes the ground. How long will it take for the ball to hit the ground? Use this information to provide tick marks with appropriate numbers along the horizontal axis in the figure shown.

h=-16t^2+16t+320

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Step-by-step explanation:

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4 0
3 years ago
What is the area of this composite shape?<br> Enter your answer in the box.
bonufazy [111]

Answer:

The answer to your question is:  53 in²

Step-by-step explanation:

Area = ?

Process: divide the shape in one rectangle and one triangle.

Area of rectangle

                            A = base x height

                            A = 8 x 6

                            A = 48 in²

Area of rectangle

                          base = 13 - 8

                                   = 5 in

                          height = 6 - 4

                                     = 2 in

                          Area = (b x h) / 2

                                   = (5 x 2) / 2

                                   = 10 / 2

                                   = 5 in²

Total area = 48 + 5 = 53 in²

3 0
3 years ago
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