Multiply and simplify. Assume that all variables represent positive real numbers.(9
+ 2)(8
+ 4)
A. 116
B. 80
+ 36
C. 8 + 72
+ 36
D. 512 + 52
Answer: D
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Letting r stand for "The food is good," p stand for "I eat too much," and q stand for "I'll exercise," write the following in symbolic form.If the food is not good, I won't eat too much.
A. r ? ~p B. ~(r ? p) C. ~r ? ~p D. ~p ? ~r
Provide an appropriate response.Arrange the quadratic equation is standard form: 0.2x2 + 0.7x = 3
A. 0.2x2 + 0.7x - 3 = 0 B. 3 - 0.2x2 - 0.7 = 0 C. 0.7x + 0.2x2 - 3 = 0 D. 0.2x2 + 0.7x + 3 = 0
Solve the inequality graphically. Give the solution in interval notation.Use the x-intercept method to solve 9(2x - 4) > 27(x + 2).
A. (-?, -10) B. (-10, ?) C. (10, ?) D. (-?, 10)
Find the range, the standard deviation, and the variance for the given samples. Round noninteger results to the nearest tenth.
93, 86, 60, 76, 85, 69, 67 a. range: 33 standart deviation: 11.9 variance: 142.3 b. range: 17 standart deviation: 14.3 variance: 204.9 c. range: 17 standart deviation: 8.3 variance:69.7 d. range: 33 standart deviation: 259.3 variance: 259.3 e. range: 33 standart deviation: 17.9 variance:320.1