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andre [41]
3 years ago
8

Use the Fourier expansion to explain why the note produced by a violin string rises sharply by one octave when the string is cla

mped exactly at its midpoint. (b) Explain why the note rises when the string is tightened.

Mathematics
1 answer:
stellarik [79]3 years ago
8 0

Answer: check attached

Step-by-step explanation:

All explanation is shown in the attachment.

Goodluck...

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kogti [31]

3 x 3 x 3 x 3 x 23 = 1,863. It can also be written in exponential form as 3 to the power of four times 23.

3 0
3 years ago
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What is the solution of StartRoot x squared + 49 EndRoot = x + 5?
Natasha2012 [34]

x=\frac{12}{5} or x= twelve-fifths

Option A is correct.

Step-by-step explanation:

We need to find the solution of:

\sqrt{x^2+49}=x+5

Solving:

Taking square on both sides:

(\sqrt{x^2+49})^2=(x+5)^2\\x^2+49=x^2+2(x)(5)+25\\Simplifying:\\x^2+49-x^2-10x-25=0\\-10x+24=0\\-10x=-24\\x=\frac{-24}{-10}\\ x=\frac{24}{10}\\x=\frac{12}{5}

Verifying the solution by putting x = 12/5 in the given equation, we get true result.

So, x=\frac{12}{5} or x= twelve-fifths

Option A is correct.

Keywords: Solving Square root Equations

Learn more about Solving Square root Equations at:

  • brainly.com/question/4034547
  • brainly.com/question/1716201
  • brainly.com/question/10666510

#learnwithBrainly

5 0
4 years ago
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How do you do these?? (the answers are there but idk how to solve them)
strojnjashka [21]
The straight arrow at the bottom represents 180 degrees.There 3 x's in eqaution so you divide 180 by 3 and you get 60 degrees
5 0
3 years ago
Heelllpppppp plzzzzzzz
galina1969 [7]

Answer:

-2x-6

Step-by-step explanation:

Distribute -2x -2(3) = -2x-6

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How many inches are in one third yard of string
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