Find the indicated probability.Three coins are tossed 80 times and the number of heads is recorded. The results are shown in the table below.
Compute the empirical probability that at most two heads occur.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
- 
B. 
C. 
D. 
Mathematics
Write the number in scientific notation.0.000075
A. 7.5 × 106 B. 7.5 × 105 C. 7.5 × 10-5 D. 7.5 × 10-6
Mathematics
Use a system of equations to find the parabola of the form 
that goes through the three given points.
, 
, 
A. y = 3x2 + 4x + 3 B. y = 3x2 + 4x - 3 C. y = 3x2 - 4x + 3 D. y = -3x2 + 4x + 3
Mathematics
Provide an appropriate response.Units of production is a method that allows for the largest amount of depreciation possible during the first two years of an asset's useful life.
A. True B. False
Mathematics