20. In a right triangle, one leg measures 4 inches and the other leg measures 6 inches. What is the length of the hypotenuse?
A. 10 inches B. 52 inches
C. 52 inches D. 2 13 inches

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Asked 4/5/2014 1:06:03 PM

Updated 4/8/2014 11:18:21 PM

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dennis003|Points 1020|

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Asked 4/5/2014 1:06:03 PM

Updated 4/8/2014 11:18:21 PM

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Flagged by yeswey [4/8/2014 11:15:25 PM]

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The length of the hypotenuse = sqrt(4^2 + 6^2) = sqrt(52) = 2 sqrt13 inches.

Added 4/8/2014 11:18:21 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [4/8/2014 11:19:52 PM]

The lungs are part of the _______ system. A. musculoskeletal

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Updated 3/29/2014 9:45:08 PM

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The lungs are part of the RESPIRATORY system.

Added 3/29/2014 9:45:08 PM

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Find the possible value or values of r in the quadratic equation r2 – 7r – 8 = 0. A. r = 6 , r = 6 C. r = –10, r = 3
B. r= 32,r=5 D. r=8,r=–1

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Updated 4/10/2014 8:13:36 PM

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20. Find the value or values of y in the quadratic equation y2 + 4y + 4 = 7.
A. y=2,y=7 C. y=–2 7,y=2 7
B. y=2+2 7,y=2–2 7 D. y=–2+ 7,y=–2– 7
**Weegy:** 1 **User:** 6. Which of the following are the factors of q3 – q2 + 2q – 2?
A. (q2 –1)(q+2) B. (q–1)(q2 +2)
C. (q–1)(2–q) D. (q–1)(2–q2) (More)

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Updated 4/10/2014 8:07:49 PM

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y^2 + 4y + 4 = 7

y^2 + 4y - 3 = 0

a = 1, b = 4, c = -3

b^2 - 4ac = 4^2 - 4(1)(-3) = 28

y = (-4 + sqrt28)/2 = -2 + sqrt 7

or y = (-4 - sqrt28)/2 = -2 - sqrt 7

y^2 + 4y - 3 = 0

a = 1, b = 4, c = -3

b^2 - 4ac = 4^2 - 4(1)(-3) = 28

y = (-4 + sqrt28)/2 = -2 + sqrt 7

or y = (-4 - sqrt28)/2 = -2 - sqrt 7

Added 4/10/2014 8:06:49 PM

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Confirmed by jeifunk [4/10/2014 8:11:21 PM]

Following preventative health care guidelines, how often should the average pet receive a physical examination?
A. Once a year
B. Every three years
C. Every three to four months D. Every two years **Weegy:** C. Every three to four months (More)

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Updated 3/30/2014 3:27:28 AM

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An average pet should receive a physical examination ONCE A YEAR.

Added 3/30/2014 3:27:28 AM

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Which of the following are considered the most effective types of reward? A. Light and sound
B. Rest and isolation
C. Noise and water
D. Food and praise

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Updated 10/20/2016 9:51:32 AM

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