Set Up the System of Equations and Then Solve It

question 81

Multiple Choice

Set up the system of equations and then solve it by using inverse matrices. ​
Nutrition A biologist has a 40% solution and a 10% solution of the same plant nutrient. How many cubic centimeters of each solution should be mixed to obtain 35 cc of a 28% solution?
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Definitions:

RLC Parallel Circuit

An RLC parallel circuit is an electrical circuit composed of resistors (R), inductors (L), and capacitors (C) connected in parallel, each affecting the circuit's overall impedance and resonance.

Applied Voltage

The voltage that is externally applied to an electrical circuit or device, driving the current through it.

Circuit Impedance

The total current-limiting property of an AC circuit.

RLC Parallel Circuit

A circuit consisting of a resistor (R), inductor (L), and capacitor (C) all connected in parallel.