Solve the problem.Brandon can paint a fence in 12 hours and Elaine can paint the same fence in 11 hours. How long will they take to paint the fence if they work together?

A. 5 hr
B. 5 hr
C. 11 hr
D. 5 hr


Answer: A

Mathematics

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Solve the problem.Find the dimensions of a rectangle whose perimeter is 36 meters and whose area is 56 square meters.

A. 3 m by 15 m B. 5 m by 13 m C. 4 m by 14 m D. 3 m by 13 m

Mathematics

Write in expanded form using powers of 10.3,044,277

A. 3 × 106 + 4 × 105 + 4 × 104 + 2 × 103 + 7 × 102 + 7 × 10 B. 3 × 107 + 4 × 105 + 4 × 104 + 2 × 103 + 7 × 10 + 7 × 1 C. 3 × 106 + 4 × 104 + 4 × 103 + 2 × 102 + 7 × 10 + 7 × 1 D. 3 × 105 + 4 × 104 + 4 × 103 + 2 × 102 + 7 × 10 + 7 × 1

Mathematics

In a bandpass filter, Q is best described by:

a. ÚÄÄ 2ãûLC b. BW ÄÄ 2 c. fr ÄÄ BW d. 2ãfL

Mathematics

Specify the center and radius of the circle.(x + 1)2 + (y + 2)2 = 3

A. center: (-1, -2); radius: 3
B. center: (1, 2); radius: 3
C. center: (1, 2); radius: 
D. center: (-1, -2); radius: 

Mathematics