Use the fact that the given triangles are similar to find the value of x.
A. 6
B. 3
C. 4
D. 9
Answer: A
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For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture.sin 
cos 
= 
What will be an ideal response?
Write in logarithmic form.10-5 = 0.00001
A. log10 0.00001 = -5
B. log5 -5 = 0.10
C. log5 0.
= -5
D. log10 -5 = 0.00001
Solve.The MetroCity electric company is planning to produce a new lamp. For the first year, the fixed costs for setting up production are $22,000. The variable costs for producing each lamp are $19. The revenue for each lamp is $24. Find the total revenue R(x) from the sale of x lamps.
A. R(x) = 24x B. R(x) = 24x - 22,000 C. R(x) = 22,000 + 24x D. R(x) = 5x
Solve the problem.A pulley with a diameter of 13 inches is driven by a belt which is moving 1,334 ft/min. To the nearest unit, how many revolutions per minute are made by the pulley?
A. 392 rpm B. 490 rpm C. 497 rpm D. 404 rpm