Which of the following is more appropriate for a theoretical probability design to be used?
?
A. ?The probability of picking the short straw.
B. ?The probability of getting into an accident while driving to work.
C. ?The probability of making a typing error in any given minute.
D. ?The probability of finding your homework assignment when you are in a hurry.
E. ?None of the above.
Answer: A
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Solve the system of equations graphically.A lumber yard has fixed costs of $2716.60 per day and production costs of $0.13 per board-foot produced. Lumber sells for $1.83 per board-foot. How many board-feet must be produced and sold daily to break even?
A. 1386 board-feet B. 1598 board-feet C. 20,896 board-feet D. 1065 board-feet
Use the laws of exponents to simplify. Do not use negative exponents in the answer. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(32k5m-10)1/5
A. 2km2
B. 
C. 5km2
D. 
Place your graphing calculator in parametric and degree modes. Set the window for Tmin=0, Tmax=360, Tstep=1, Xmin= -1.8, Xmax=1.8, Xscl=1, Ymin= -1.2, Ymax=1.2, Yscl=1. Set the functions to X1T=cos T, Y1T=sin T. Graph the circle of radius 1 on the screen. Use the trace feature to move a short distance around the circle.As the cosine increases for 0° ? T ? 90°, does the sine increase or decrease?
A. Cannot determine B. Increases C. Decreases
Solve.If you are traveling 70 miles per hour on a highway in Canada, how fast are you traveling in kilometers per hour? (Use k = 1.61r, where r = rate in miles per hour and k = rate in kilometers per hour.)
A. 105.7 km/hr B. 71.6 km/hr C. 112.7 km/hr D. 43.5 km/hr