The Grading Scale for a C in Amy's Biology Class

question 20

Multiple Choice

The grading scale for a C in Amy's biology class is an average on tests between 70% and 80%, inclusive. Amy has 64%, 84%, and 78% on the first three tests this semester. What range of scores on
The fourth test would give her a C?

• A)Between 59% and 89%, inclusive
• B)89% or better
• C)Between 54% and 94%, inclusive
• D)Between 70% and 80%, inclusive

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Definitions:

RC Parallel Circuit

A type of electrical circuit where resistor(s) and capacitor(s) are connected in parallel, affecting the charging and discharging rate of the capacitor.

Capacitive Reactance

Opposition to AC flow in capacitors, varying inversely with the frequency of the operation and the capacitance value.

Supply Voltage

The voltage provided by a power source to operate electrical or electronic equipment.

Capacitance

The ability of a system to store an electric charge, quantitatively measured in farads (F).