Provide an appropriate response.Use the special product (A + B)(A - B) = A2 - B2 to demonstrate a method for finding the product 41 ? 39 mentally.

What will be an ideal response?


41 ? 39 = (40 + 1)(40 - 1) = 1600 - 1 = 1599, a procedure that is easily performed mentally.

Mathematics

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Solve the problem.The function A(x) = 1.06x -.02x3 gives the approximate alcohol level (in tenths of a percent) in a person's blood x hours after drinking about 8 ounces of 100-proof whiskey. What would the person's alcohol level be 2 hours after drinking? Give answer as a percent.

A. 0.196% B. 0.208% C. 1.96% D. 2.08%

Mathematics

Provide an appropriate response.If the sides of a triangle measure 15 m, 18 m, and 22 m, what kind of triangle is it?

A. isosceles triangle B. right triangle C. scalene triangle D. equilateral triangle

Mathematics

Graph the function by starting with a function from the library of functions and then using the techniques of shifting, compressing, stretching, and/or reflecting.g(x) = x2 - 3

A.

B.

C.

D.

Mathematics

Write the inequality using interval notation, and illustrate the inequality using the real number line.5 ? x ? 10

A. (5, 10]

B. [5, 10]

C. (5, 10)

D. [5, 10]

Mathematics