Solve the problem.A bacterial culture has an initial population of 10,000. If its population declines to 7000 in 4 hours, what will it be at the end of 6 hours? Assume that the population decreases according to the exponential model.
A. 1500
B. 5857
C. 8156
D. 2929
Answer: B
Mathematics
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Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 5 ? x ? 5, about the x-axis (dimensions are in feet). If a cubic foot holds 7.481 gallons and the helicopter gets 3 miles to the gallon, how many additional miles will the helicopter be able to fly once the tank is installed (to the nearest mile)?
A. 376 B. 125 C. 94 D. 188
Mathematics
Determine the sum or difference in the given clock arithmetic.2 + (4 - 4) (clock 7)
A. 2 B. 3 C. 5 D. 4
Mathematics
Evaluate the expression.
?
What will be an ideal response?
Mathematics
Use factoring to solve the equation.x2 - 6x + 9 = 25
A. 5, -5 B. -2, -8 C. 8, -2 D. 28
Mathematics