Solve the equation.3x - 2 - 2x - 7 = 26

A. 21
B. -35
C. -21
D. 35


Answer: D

Mathematics

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Solve the problems.The First Nations Bank pays 3% interest per year on growth fund accounts. What is the annual income on a growth fund account of  Round to the nearest dollar.

A. $2,242 B. $1,966,667 C. $22,420 D. $196,667

Mathematics

Determine whether or not the function is one-to-one.f(x) = x3 - 3

A. No B. Yes

Mathematics

Impedance is a measure of the opposition to the flow of current in an electrical circuit. It consists of two parts called resistance and reactance. Light bulbs add resistance to an electrical circuit, and reactance occurs when electricity passes through coils of a wire like those found in electric motors. Impedance Z in ohms (?) may be expressed as a complex number, where the real part represents the resistance and the imaginary part represents the reactance. Use this information to solve the problem.The circuit contains two light bulbs and two electric motors. Find total impedance to the nearest tenth of an ohm by calculating the modulus of Z.

A. 79.3 ? B. 85.4 ? C. 33.1 ? D. 52.5 ?

Mathematics

Use the Gauss-Jordan method to find A-1, if it exists.A = 

A.

B.

C.

D. Does not exist

Mathematics