Round each number to its largest place value to estimate the quotient.898,539 ÷ 35
A. 225
B. 22,500
C. 2000
D. 20,000
Answer: B
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There are initially 37 milligrams per deciliter of a drug in the bloodstream of a patient. The concentration of the drug shows a constant percentage decay of 6% per hour. ? A: Using C for the concentration, in milligrams per deciliter, of the drug after t hours, write a formula for C. ? B: What is the percentage decrease in concentration over any 4-hour period? ? C: Make a graph that shows the drug concentration over the first 20 hours. ? D: How long will it take for the concentration to decline by 24%? ? Round your answers to two decimal places if necessary. ?
What will be an ideal response?
Find the average rate of change for f(x) on the given interval.f(x) = (x - 8)2 - 81, [1, 20]
A. 11 B. 5 C. -11 D. -5
Simplify the expression. First use the distributive property to remove any parentheses.-5(2x - 7) - 4x + 9
A. -14x - 26 B. 14x + 44 C. 6x + 44 D. -14x + 44
Indicate whether the statement is true or false.When zero is subtracted from the set of whole numbers, the set of natural numbers is formed.
A. true B. false