Perform the indicated operation without the use of a calculator and express each answer in decimal notation.

A. 0.00142857
B. 700
C. 100
D. 0.07


Answer: D

Mathematics

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Multiply.(-19.3)(-3.80)

A. 0.7334 B. 733.4 C. 73.34 D. 7.334

Mathematics

Find the center and the radius of the circle.x2 + y2 - 8x - 12y + 43 = 0

A. (-4, -6); r = 3 B. (-4, 6); r = 3 C. (4, 6); r = 3 D. (4, -6); r = 3

Mathematics

Determine whether the given expression is a polynomial. If it is, write it in standard form.

A. Yes;  + 3
B. No

Mathematics

Find a formula for the inverse of the function described below.A size 44 dress in Country C is size 2 in Country D. A function that converts dress sizes in Country C to those in Country D is  

A. f-1(x) = x + 20 B. f-1(x) = 2(x + 20) C. f-1(x) = 2(x - 20) D. f-1(x) = 2x + 20

Mathematics