Solve the problem.Suppose that the manufacturing cost of a precision instrument is approximated by 
where x is the cost of materials and y is the cost of labor. Find 
A. 111
B. 194
C. 82
D. 376
Answer: B
Mathematics
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Find the exact value under the given conditions.Given sin ? = - 
, with ? in quadrant IV, and tan ? = - 
, with ? in quadrant II. Find cos (? + ?).
A. 
B. - 
C. - 
D. 
Mathematics
Solve the equation.-(6y - 9) - (-5y - 6) = 8
A. {-7} B. {7} C. {-23} D. {-11}
Mathematics
Provide an appropriate response.State the formulas for the area of a triangle ABC that were derived using the law of sines.
What will be an ideal response?
Mathematics
An after-shave lotion is 40% alcohol. If you have 15 fluid ounces of the lotion, how much water must be added to reduce the mixture to 30% alcohol? ? __________ ounces of water
Fill in the blank(s) with the appropriate word(s).
Mathematics