A drilling machine is required to have an eight-speed gearbox. The output speeds must increase from the lowest to the highest in an arithmetic progression series. The machine must also be able to drill a range of diameter holes from 0.8 mm to 10 mm at a cutting speed of 4 m/min. The drilling process has a value invested of £2000, accumulating at a compound interest rate of 1.74 %. 1.Determine how many years it takes to sell the lathe, by using GP. If the value of a machine was originally £3000 and depreciates by 5% per annum, then sold when it is less than £600.
A drilling machine is required to have an eight-speed gearbox. The output speeds must increase from the lowest to the highest in an arithmetic progression series. The machine must also be able to drill a range of diameter holes from 0.8 mm to 10 mm at a cutting speed of 4 m/min. The drilling process has a value invested of £2000, accumulating at a compound interest rate of 1.74 %. 1.Determine how many years it takes to sell the lathe, by using GP. If the value of a machine was originally £3000 and depreciates by 5% per annum, then sold when it is less than £600.
Chapter9: Sequences, Probability And Counting Theory
Section9.4: Series And Their Notations
Problem 56SE: To get the best loan rates available, the Riches want to save enough money to place 20% down on a...
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Transcribed Image Text:A drilling machine is required to have an eight-speed gearbox. The output speeds must increase from the lowest to the
highest in an arithmetic progression series. The machine must also be able to drill a range of diameter holes from 0.8 mm
to 10 mm at a cutting speed of 4 m/min. The drilling process has a value invested of £2000, accumulating at a compound
interest rate of 1.74 %.
1.Determine how many years it takes to sell the lathe, by using GP. If the value of a machine was originally £3000 and
depreciates by 5% per annum, then sold when it is less than £600.
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