Write out the sum. Do not evaluate.
A. -5 - 5 - 3 + 1 + ...
B. 1 - 5 - 5 - 3
C. -5 + 5 - 3 - 1
D. -5 - 5 - 3 + 1
Answer: D
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Provide an appropriate response.Solve for x: a(2 -x) = 3b
Fill in the blank(s) with the appropriate word(s).
Use the discriminant to determine if the given equation can be solved by factoring. If it can be solved by factoring, find the factors.c2 + 2c + 1 = 0
A. (c - 1)2 B. (c + 1)2 C. Cannot be solved by factoring D. (c + 1)(c - 1)
The pH of an acidic solution is a measure of the concentration of the acid particles in the solution, with smaller values of the pH indicating higher acid concentration. In a laboratory experiment, the pH of a certain acid solution is changed by dissolving over-the-counter antacid tablets into the solution. In this experiment, the pH changes according to the equation pH = 4.8 +lg
where x is the number of grams of antacid added to the solution. What is the pH of the solution after the addition of 0.1 grams of antacid tablet? Round your answer to two decimal places.
a. 4.8 b. 4.28 c. –0.18 d. 4.976 e. 4.62
Factor the expression.5q - pc - 5c + pq
A. (5 - c)(q + p) B. (5 + c)(q - p) C. (q - c)(5 + p) D. (q - c)(5 - p) E. (q + c)(5 - p)