Answer true or false.Although (6, 9) is not a solution of x + 5y = 2, it can still be a solution of the system .

A. True
B. False


Answer: B

Mathematics

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If k is negative, then the power function is a decreasing function for positive values of ?x.

Answer the following statement true (T) or false (F)

Mathematics

Graph the following equation using the square settings given.f(x) =  [-12, 12] by [-8, 8]

A.

B.

C.

D.

Mathematics

The manufacturer of a medicine wants to test how a new 300-milligram capsule is released into the bloodstream. After a volunteer is given a capsule, blood samples are drawn every half-hour, and the number of milligrams of the drug in the bloodstream is calculated. The results obtained are as follows.

Time t N(t) (hr) (mg) 0 0 0.5 246.5 1 266 1.5 236.9 2 178.1 2.5 115.9 Use the trapezoidal rule to approximate the average number of milligrams in the bloodstream during the first  hours and round your answer to two decimal places. ? A. 433.60 mg B. 197.09 mg C. 123.18 mg D. 256.22 mg E. 335.05 mg

Mathematics

Add or subtract. Simplify all answers. Express as a mixed number.15 - 6

A. 8
B. 7
C. 8
D. 9

Mathematics