Find the exact value of the expression.tan-1 0
A. 0
B. ?
C. 
D. 2?
Answer: A
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The term proportional is used to indicate that one thing is a multiple of another.
Answer the following statement true (T) or false (F)
Solve the problem.A garden hose is spraying a stream of water at a box on the ground with a force of 3.9 pounds. The water stream makes an angle of 60 degrees with the ground. What is the horizontal component of the force?
A. 1.950 B. 0.5000 C. -3.714 D. 3.377
Write an equation for the line that passes through the points shown in the table.
A. y = -4 B. x = 0 C. x = -4 D. y = 0
In 2004 the Texas Bureau of Economic Geology published a study on the economic impact of using carbon dioxide enhanced oil recovery (EOR) technology to extract additional oil from fields that have reached the end of their conventional economic life. The table gives the approximate number of jobs for the citizens of Texas that would be created at various levels of recovery. Find the regression line.
Percent Recovery (%) - x 20 40 80 100Jobs Created (Millions) - y 3 6 9 15?
y = __________ x + __________Use the regression line to estimate the number of jobs that would be created at a recovery level of 63%.
__________ million jobs
What will be an ideal response?