Solve.Find the LCM of 3, 245, 75.
A. 735
B. 55,125
C. 11,025
D. 3675
Answer: D
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Combine like terms.6m2 + 9m2
A. 15m2 B. 16m2 C. 16m4 D. 15m4
Solve.Two resistors are wired in parallel, one of which is 80 ohms. If the total resistance is to be 60 ohms, what must be the value of the other resistor? Use the formula for the total resistance R in an electrical circuit with resistors R1, R2, R3, ..., Rn that are wired in parallel. src="https://sciemce.com/media/4/ppg__2720702191531__f1q105g5.jpg" style="vertical-align: -21.0px;" />
A. 34.3 ohms
B. 20 ohms
C. 240 ohms
D. 140 ohms
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Solve the problem.How long must $4900 be in a bank at 7% compounded annually to become $7868.33? (Round to the nearest year.)
A. 6 yr B. 8 yr C. 9 yr D. 7 yr
Multiply or divide as indicated.
A. 541.12 B. 540.02 C. 93.3 D. 540.13