Provide an appropriate response.Without actually solving the following system of equations, describe the nature of the solution. Explain your answer.5x - 4y + 2z = 410x - 8y + 4z = 86x + 3y + 5z = -1
What will be an ideal response?
There are an infinite numbers of solutions, representing the points on a line. The first two equations are multiples of each other and thus represent the same plane. The third equation represents a different plane, which would intersect the first plane in a line.
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Show the solution set of each inequality on a number line.-6 ? x < -2
A. 
B. 
C. 
D. 
Simplify the expression. Assume that all variables are positive when they appear.
A. 2x5 B. -2x5 C. -2x15 D. -2x12
First build a truth table and then design a circuit using switches that would find the truth values for the statement.
?
?
A. 
B. 
C. 
D. 
E. 
Solve the problem using Snell's Law: 
= 
.The index of refraction of light passing from air into a second medium is 1.40. If the angle of incidence is 
what is the angle of refraction (to two decimal places)?
A. 42.48° B. 45.13° C. 44.87° D. 47.52°