Solve the formula for the specified variable. Assume all variables represent nonnegative numbers. If possible, simplify radicals and rationalize denominators. F =
for d
A. d =
B. d =
C. d =
D. d =
Answer: B
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Translate the problem situation to a system of equations. Do not solve.Audreys Candy Store sold 64 individual pounds of jelly beans, one kind at $4.74 per pound and the other at $1.23 per pound. In all, $162.96 was taken in for the two types of jelly beans. How many pounds were sold?
A. x + y = 162.96; 4.74x + 1.23y = $64 B. x + y = 64; 4.74x + 1.23y = $162.96 C. x + y = 5.97; 4.74x + 1.23y = $162.96 D. x + y = 64; 5.97x + y = $162.96
Write the expression in the standard form a + bi.(1 - i)10
A. -32 + 32i B. 32 - 32i C. 32 D. -32i
Write the partial fraction decomposition of the rational expression.
A. +
B. +
C. +
D. +
+
Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation x = -9p + 216, 0 ? p ? 24.What quantity x maximizes revenue? What is the maximum revenue?
A. 162; $972 B. 216; $1296 C. 108; $1296 D. 54; $972