Find all real numbers that satisfy the equation. Round approximate answers to the nearest hundredth.2 cos(3x) = 
A.
B.
C. {x|x = 0.17 + k? or x = 1.92 + k?}
D. {x|x = 0.26 + 2k? or x = 1.83 + 2k?}
Answer: B
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Current liabilities accounts that change "naturally" with changes in sales provide funds that tend to change at the same rate as sales. These funds are referred to as ______ funds.
A. spontaneously generated B. additional funds C. natural operations D. temporary assets' E. extemporaneous short-term
Provide an appropriate response.If a ? b, is it always true that a + 6 ? b + 6? Explain.
What will be an ideal response?
Provide an appropriate response.-6x + 8y = A 3x - 10y = BFor what values of A or B can this system of equations have (0,0) as a solution?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. By using linear regression, the following function is obtained: where x is the number of hours spent in the lab and y is grade on the test. Use this function to predict the grade of a student who spends 13 hours in the lab. Number of hours spent in lab Grade (percent) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. 64.4 B. 60.4 C. 75.6 D. 67.0