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kolbaska11 [484]
3 years ago
15

Emily gets 9n a Ferris wheel at its lowest point which is 10 feet above the ground. She notices that she is 50 feet above the gr

ound at her highest point. It takes emily 40 seconds to make one revolution. A. What is the period of the function? B. What is the amplitude of the function?C. What is the midline of the function? D. What is the equation that models the sinusoidal function?
Mathematics
1 answer:
navik [9.2K]3 years ago
3 0

Answer:

Step-by-step explanation:

divided all the number

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A jet ski costs $925 and depreciates by 15% each year. How much will
ivann1987 [24]
Initial cost of the jet ski = $925
Percentage of depreciation per year = 15%
Number of years after which the cost of the jetski has to be determined = 7
Then
Depreciated Value = Initial cost( 1 - percentage of depreciation) ^number of years
                              = 925( 1 - 15%)^7
                              = 925( 1 - 15/100)^7
                              = 925(1 - 0.15)^7
                              = 925(0.85)^7
                              = 925 *(0.85)^7
                              = 925 * 0.3206
                              = 296.53 dollars
So the depreciated cost of the jet ski after 7 years will be $296.53
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The longest is 4/6 of a hr and the shortest is 1/6 of a hr
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a = 1

Step-by-step explanation:

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