On a college campus of 10,000 students, a single student returned to campus infected by a disease. The spread of the disease through the student body is given by
, where y is the total number infected at time t (in days). How many are infected after 8 days?
?
A. approximately 52 students
B. approximately 10 students
C. approximately 9,987 students
D. approximately 2,158 students
E. approximately 3,038 students
Answer: D
Mathematics
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Find the probability.In a certain college, 33% of the physics majors are ethnic minorities. A random sample of 10 physics majors is chosen. Find the probability that 2 or less are ethnic minorities. Round to the nearest ten-thousandth.
A. 0.1080 B. 0.1990 C. 0.2888 D. 0.3070
Mathematics
Provide an appropriate response.Find the inverse matrix of .
What will be an ideal response?
Mathematics
Find the indicated root, or state that the expression is not a real number.-
A. 2
B. -
C. not a real number
D. -2
Mathematics
Find dy/dx.
Mathematics