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Find the possible value or values of y in the quadratic equation 4 – 4y – y 2 = 0.
Weegy: 8y. 2(4y) = 8y User: Find the possible value or values of y in the quadratic equation 4–4y–y2=0. Weegy: 1 User: Find the possible value or values of r in the quadratic equation r 2–7r–8=0. (More)
Question
Expert Answered
Updated 7/25/2013 2:47:55 AM
1 Answer/Comment
babkat13, when answering math questions, it is important to show the solutions to your answer or at least provide a source to where you got your answer from.
You can use math websites like
webmath.com or wolframalpha.com
Added 7/25/2013 2:47:55 AM
What is the discriminant in the quadratic equation x2+11x+121=x+96? User: Use the discriminant to determine how many real number solutions the quadratic equation –4j2+3j–28=0 has.
Question
Not Answered
Updated 7/5/2014 4:31:49 PM
2 Answers/Comments
x^2 + 11x + 121 = x + 96;

x^2 + 11x - x + 121 - 96 = 0

x^2 + 10x + 25 = 0

Discriminant:
b^2 - 4ac
10^2 - 4(1)(25) = 100 - 100 = 0
Added 7/5/2014 4:29:01 PM
This answer has been confirmed as correct, not copied, and helpful.
–4j^2 + 3j – 28 = 0;
Discriminant:
b^2 - 4ac
3^2 - 4(-4)(-28) = 9 - 448 = -439

Number of solutions: No real solutions.
Added 7/5/2014 4:31:49 PM
This answer has been confirmed as correct, not copied, and helpful.
Find the value or values of x in the quadratic equation x2=6x–9.
Weegy: The answer is x=3 User: Find the value or values of y in the quadratic equation y2+4y+4=7. (More)
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Expert Answered
Updated 7/17/2014 2:10:53 AM
1 Answer/Comment
y^2 + 4y + 4 = 7
(y + 2)^2 = 7
y + 2 = sqrt 7 or y + 2 = -sqrt 7
y = -2 + sqrt 7 or y = -2 - sqrt 7
Added 7/17/2014 2:10:53 AM
What invention during the Renaissance period enabled people to purchase music for their own personal use? A. Electronic recording devices B. Instruments for trained transcription workers C. Printing press D. Faster delivery service
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Updated 9/9/2014 1:50:39 AM
1 Answer/Comment
PRINTING PRESS enabled people to purchase music for their own personal use during the Renaissance period.
Added 9/9/2014 1:50:39 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [9/9/2014 8:15:10 AM]
A single, long note held underneath a melodic line is known as a A. plainchant. B. phrase. C. drone bass. D. homophonic line.
Weegy: C. drone bass, a long note held under underneath the melodic line User: An example of a percussion instrument is the A. lute. B. shawm. C. violin. D. drum. Weegy: The answer is C. drum. User: What invention during the Renaissance period enabled people to purchase music for their own personal use? A. Electronic recording devices B. Instruments for trained transcription workers C. Printing press D. Faster delivery service (More)
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Updated 11/25/2014 3:51:46 PM
1 Answer/Comment
During the Renaissance period, the printing press enabled people to purchase music for their own personal use.
Added 11/25/2014 3:51:46 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Kaysha [11/25/2014 5:02:23 PM]
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