Provide an appropriate response.Use the strategy of writing equations to justify that if y = 2x and z = y + 5, then z is greater than x.
What will be an ideal response?
Putting the value of y in the second equation we get z = 2x + 5, which indicates that z is greater than x.
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Solve the problem.The population of a town was 33,200 at the beginning of 1970. If the population decreased 400 people per year, how many people lived in the town at the beginning of 1985?
A. 27,200 people B. 27,600 people C. 6000 people D. 26,800 people
Use the theorem that relates the sum of degrees to the number of edges to determine the number of edges in the graph.A graph with 6 vertices, two of degree 2, three of degree 1, and one of degree 3.
A. 5 edges B. 10 edges C. 6 edges D. 20 edges
Which of the following is a theme from the research literature on student motivation?
a. Motivations are learned b. Motivation hinges on students' interpretation of their successes and failures. c. Intrinsic motivation is better than engagement for a reward. d. Inequities are influenced by how different groups are taught to view mathematics. e. All of the above
Use radical notation to write the expression. Simplify if possible.(-8)4/3
A. not a real number B. 16 C. 64 D. -16