Solve the equation.8x + 20 = 0

A.
B.
C.
D.


Answer: D

Mathematics

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Solve the problem.Under certain conditions, the electric current i in a circuit containing a resistance R and an inductance L is given by , where t is the time (in seconds), and I is the current at t = 0. Calculate how long (in seconds) it takes the current to reach 0.400 of the initial value, if   and 

A. 0.22 seconds B. 0.14 seconds C. 0.06 seconds D. 2.68 seconds

Mathematics

Determine if the given integer value for the variable is a solution to the equation.7n = 56 - n; 7

A. solution B. not a solution

Mathematics

Provide the requested response.For the viewing rectangle [0, 14, 2] by [0, 22, 2] , state the number of tick marks on the positive y-axis.

A. 7 B. 14 C. 11 D. 22

Mathematics

Use the multiplication property of equality to solve the equation. = -2

A. 7 B. -10 C. -7 D. 10

Mathematics