hellodarkness14
02.12.2020 •
Mathematics
A toy is made up of cylindrical rings stacked on a base, as shown in the diagram. The diameter of Ring 1 is 95% of the diameter of the base. For Ring 2 through Ring 7, the diameter of each ring is 95% of the diameter of the ring directly below it.
The diameter of the base is 10 inches. Which function can be used to find the diameter in
inches of Ring r, where 1≤ r ≤ 7?
d(r) = 10(0.95)^r
d(r) = 0.95(r - 10)
d(r) = 0.95(10)^r
d(r) = 10(r - 0.95)
Solved
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Ответ:
$24,893.40
Step-by-step explanation:
Year 1
50,000 x 0.16 = 8,000
50,000-8,000 = 42,000
Year 2
42,000 x 0.16 = 6,720
42,000-6,720 = 35,280
Year 3
35,280 x 0.16 = 5644.80
35,280-5644.80= 29,635.2
Year 4
29,635.2x0.16 = 4,741.6
29,635-4,741.6 = $24,893.40