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Which one of the following musical notations allows performers to improvise slightly with the tempo? A. Sostenuto B. Rubato C. Moderato D. Allegretto
Which one of the following musical notations allows performers to improvise slightly with the tempo? B. Rubato
Expert answered|lpeples|Points 170|
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Asked 7/27/2013 12:03:49 AM
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Find the possible value or values of y in the quadratic equation 4 – 4y – y 2 = 0.
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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
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Asked 7/25/2013 12:36:45 AM
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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.
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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.
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