Translate the phrase into an expression involving addition, then simplify.-13 increased by 42
A. 55
B. 29
C. -55
D. -29
Answer: B
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Which system of inequalities matches the given calculator-generated graph?
A. y > -x2 + 2 y < 5 B. y > -x2 + 2 y > 5 C. y < -x2 + 2 y < 5 D. y < -x2 + 2 y > 5
Factor the polynomial as the difference of two squares or state that it is irreducible.16x4 - 1
A. (4x2 + 1)(4x2 + 1) B. (4x2 + 1)(2x + 1)(2x - 1) C. (4x2 + 1)(4x2 - 1) D. (2x + 1)2(2x - 1)2
Solve the problem. Round to the nearest cent.Find the amount of each payment into a sinking fund if $13,000 must be accumulated. Payments are made at the end of each quarter for 3 years, with interest of 8% compounded quarterly.
A. $1279.59 B. $969.28 C. $770.64 D. $685.10
Solve the problem.Suppose that during a certain step in a chemical manufacturing process the amount of chlorine dissolved in a solution, measured in parts per million (ppm), is related to the elapsed time measured from the beginning of the step. Use the following table as a representation of this relationship. What does the ordered pair (6, 28.4) mean in the context of this situation?
A. (6, 28.4) indicates that 6 ppm of chlorine was dissolved after 28.4 minutes elapsed. B. (6, 28.4) indicates that 28.4 ppm of chlorine was dissolved after 10 minutes elapsed. C. (6, 28.4) indicates that 28.4 ppm of chlorine was dissolved after 6 seconds elapsed. D. (6, 28.4) indicates that 28.4 ppm of chlorine was dissolved after 6 minutes elapsed.