Find the Indicated Nth Partial Sum of the Arithmetic Sequence

question 133

Multiple Choice

Find the indicated nth partial sum of the arithmetic sequence. -2.1, 2.5, 7.1, 11.7, ...., n=90

• A)-7996.5
• B)18,241
• C)18,648
• D)18,227
• E)18,234

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Definitions:

Rpm

Stands for revolutions per minute, a measure of the frequency of rotation, specifically the number of rotations around a fixed axis in one minute.

Load

The amount of electrical power or physical weight that is applied or carried by a system or component.

Spool Valves

Mechanical devices used in hydraulic and pneumatic systems to control the flow of fluid or air, typically by moving a cylindrical spool within a housing to open or close channels.

Hydraulically

Pertaining to or involving the movement or operation of devices through the pressure of liquids in motion.