Translate using numbers and symbols.Ten minus a number
A. 10 - t
B. t - 10
C. 10 ÷ t
D. 11 - t
Answer: A
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Simplify the radical expression.
?
?
A. -6 B. 4 C. 2 D. -4 E. ?-2
Rationalize the denominator.
A.
B.
C.
D.
Assume that college graduates and noncollege graduates have children in the same numbers. Suppose also that 70% of the children of college graduates also graduate from college. Of the children of noncollege graduates, 20% will graduate from college. If this trend continues, then in the long run, what is the proportion of the population that will be college graduates?
A.
B.
C. 0
D.
E. none of these
Solve the problem.The price p of a certain product and the quantity sold x obey the demand equation p = - x + 200, 0 ? x ? 300. Suppose that the cost C of producing x units is C =
+ 800. Assuming that all items produced are sold, find the cost C as a function of the price p.
What will be an ideal response?