A win-win lottery is organized. There are 130 wins, 30 of them are $70, 30 of them are $30, and 70 of them are $10. What is the average gain for a person who bought one ticket?
a. 28.462
b. 0.846
c. 81.538
d. 36.667
a. 28.462
Mathematics
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Use a strictly graphical approach to solve the equation over the interval [0, 2?). Express solutions to the nearest hundredth.ex = -cos x + 2
A. ? B. {0.45} C. {0.95} D. {0}
Mathematics
Determine whether the graph is the graph of a function.
A. yes B. no
Mathematics
Match the equation of the ellipse with the appropriate description.16x2 + 49y2 = 3136
A. x-intercepts (8, 0), (-8, 0); y-intercepts (0, 14), (0, -14) B. x-intercepts (14, 0), (-14, 0); y-intercepts (0, 8), (0, -8) C. x-intercepts (196, 0), (-196, 0); y-intercepts (0, 64), (0, -64) D. x-intercepts (64, 0), (-64, 0); y-intercepts (0, 196), (0, -196)
Mathematics
Multiply.
A. 
m45
B. 
m14
C. - 
m14
D. - 
m45
Mathematics