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algol13
2 years ago
13

una cuerda al vibrar tiene una frecuencia fundamental de 200 Hz. Si su longitud se reduce en una cuarta parte, ¿cual será la nue

va frecuencia fundamental? ¿se ha alterado la rapidez de la onda al acortar la cuerda? Suponga que la tensión es constante
Mathematics
2 answers:
Y_Kistochka [10]2 years ago
6 0

I thank the answer is B

Step-by-step explanation:

10

Ksivusya [100]2 years ago
3 0
Sorry, wrong dialect
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What is the cost of 6 filters if 8 filters cost $39.92
sleet_krkn [62]

Answer:


Step-by-step explanation:

 

8 filters = $39.92

1 filter = 39.92 : 8 = $4.99

6 filters = 6 × 4.99 = $29.94



7 0
3 years ago
9 over 16 times x over 12
telo118 [61]

Answer:

x=6.75

Step-by-step explanation:

9/16x x/12

cross multiply

16 times x equals 16x 9 times 12 equals 108

16x=108

16/16=108/16

x=6.75

pls brainliest hope this helps

7 0
3 years ago
Read 2 more answers
Kelly tells you that when variables are in the denominator, the equation one over two plus three over x equals three over four b
Gnom [1K]
The equation is 1/2+3/x=3/4, it is still solvable
the equivalent of the equation is (1.x+2.3)/2.x = 3/4, or (x+ 6)/2.x=3/4, this last can be solved as follow: 4.(x+ 6) = 2x.3, 4x+ 24 = 6x, so 24=6x-4x=2x, and when 2x= 24 , it means x=24/2 =12, finally the equation is solvable because x=12 is a solution
4 0
4 years ago
See attached question
Nady [450]

Answer:

Its 34 times 87

Step-by-step explanation:

34 times 87 is 2958

3 0
3 years ago
If a car traveling at 50 km/h will skid 16 m when its brakes lock, how far will it skid if it is traveling at 120 km/h when its
ss7ja [257]
Would it be 38.25 because I did 120km/h ÷ 50km/h and got 2.4 then I multiplied it by 16 and got 38.4 as the answer.

I hope i helped.
6 0
3 years ago
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