April 17, 2014

Homework Help: Math

Posted by Ron on Sunday, August 26, 2012 at 1:54am.

Can you please check my answers, thank you
5/y+4 + 11/y^2=y-12 = 7/y-3
Answer -2

The length of a rectangle is 2 cm more than twice its width. If the perimeter of the rectangle is 40 cm, find the length of the rectangle.
A. 6 cm
B. 9 cm
C. 11 cm
D. 14 cm
Answer B = 9cm

One computer printer can print a company's mailing labels in 40 minutes. A second printer would take 60 minutes to print the labels. How long would it take the two printers, operating together, to print the labels?
A. 30 minutes
B. 24 minutes
C. 50 minutes
D. 32 minutes

answer: B 24 minutes

Solve. Write the solution in interval notation.

|x + 4| 6
answer: (-10,2)

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