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Finger [1]
3 years ago
7

On a piano, the formula to determine the frequency f of any pitch relative to the A above middle C (A440) is given by the expres

sion f(x)=440(2)x/12, where x represents the the number of half-steps above or below A440. Which of the following is equivalent to f(x)?
Mathematics
2 answers:
Nady [450]3 years ago
8 0

The answer is C. Just took the quiz and B was wrong. It needs to be the one with the smaller 12.

dolphi86 [110]3 years ago
3 0

Answer:

The answer is C on edge

Step-by-step explanation:

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Lorie correctly determines that for the triangles below, the statement pg and the statement both describe the relationship betwe
Tasya [4]

Answer:

The correct option is 1.

Step-by-step explanation:

Two triangles are called similar if all the corresponding angles are congruent or all corresponding sides are in same proportion.

In triangle MNO and triangle RTS.

\angle M\cong\angle R=54.4^{\circ}          (Given)

\angle N\cong\angle T=71.2^{\circ}            (Given)

According to the angle sum property, the sum of all interior angles of a triangle is 180 degree. Since two corresponding angles are congruent, therefore third angle is also congruent.

\angle O\cong\angle S=54.4^{\circ}

Since all corresponding angles are congruent, therefore the triangles MNO and RTS similar.

The triangle are congruent by AA rule of similarity. Each triangle has two congruent angles, therefore both triangles are similar. Option 1 is correct.

7 0
3 years ago
Read 2 more answers
What is the solution to the equation 4 + V2y = 6?<br> O y= 1<br> O y = 4<br> O y= 500<br> O y= 2000
FrozenT [24]

Answer:

y=1

Step-by-step explanation:

because 2×1=2 and when you add 4 to it you will get 6

6 0
3 years ago
I need help can I have how to do it and some work so I can do it.
Delicious77 [7]

Answer:

im guessing you're trying to find where the lines will meet at, so the lines will meet at (1,-1)

Step-by-step explanation:

sadly it doesnt allow me to add in a photo but ill tell you a good enough explanation of what to draw, for y=3x+2 your line starts at 2 on the y axis and goes down (-3/1)

for y=3x-4 your line starts at -4 and go up by 3/1

hope this helped, not sure if you need anything more.

5 0
2 years ago
What is 7/3 divided by 9
Kitty [74]
7
—- Divide by 9 = 7/27 or 0.259259259
3
5 0
3 years ago
Read 2 more answers
Solve the equation. 3/4(x-12)=3 –12 9 16 20
tekilochka [14]

Answer:

<h2>          x = 16</h2>

Step-by-step explanation:

³/₄(x - 12) = 3        {multiply both sides by ⁴/₃}

x - 12 = 4             {add 12 to both sides}

 x = 16

8 0
3 years ago
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