MATHEMATICS MIDDLE SCHOOL

If a wiggling string has a natural frequency of 34.5 Hz to produce 4 harmonics, what is the period of the string?

Answers

Answer 1

Answer:

Answer:

$T = (1)/(f)$

And replacing we got:

$T = (1)/(34.5 Hz)= 0.0290 s$

And then we can conclude that with the conditions given the period of the string would be 0.0290 s

Step-by-step explanation:

For this case we know the frequency associated to the 4 harmonic.

We know that by definition the frequency is the inverse of the period:

$f= (1)/(T)$

If we solve for the period we got:

$T = (1)/(f)$

And replacing we got:

$T = (1)/(34.5 Hz)= 0.0290 s$

And then we can conclude that with the conditions given the period of the string would be 0.0290 s

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Did I do this right help need to know now

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You got all of the questions right. :)

He's u did correctly by using P E M D A S

On a compass, due east is a 1/4 turn clockwise from due north. How many degrees are in a 1/4 turn?

Answers

Answer:

$90^o$

Step-by-step explanation:

We have been given that on a compass, due east is a 1/4 turn clockwise from due north.

Since we know that a compass is in form of a circle and the measure of degrees in a circle is 360 degrees.

To find the number of degrees in a one-fourth turn, we will divide 360 by 4.

$\text{Number of degrees in a 1/4 turn of compass}=(360^o)/(4)$

$\text{Number of degrees in a 1/4 turn of compass}=90^o$

Therefore, there are 90 degrees in a 1/4 turn of compass.

One full turn is 360 degrees. 1/4 of 360 degrees is 270
360-270=90 degrees. One fourth of a full turn is 90 degrees

What is the solution to the equation below? log6 4x 2 - log6 x=2

Answers

The solution of the logarithmic equation is x = 9.

What is logarithm?

Logarithm, a mathematical concept involving multiplication. It is the exponent or power to which a base must be raised to yield a given number.

For the given situation,

The equation is log6 4x^2 - log6 x = 2.

The solution for this logarithmic equation is

⇒ $log_(6) 4x^(2) -log_(6) x=2$

⇒ $log_(6)( (4x^(2) )/(x)) =2$

⇒ $log_(6)4x=2\n$

We know that the equation $log_(b)n=x\n$ can be expressed as $b^(x)=n$ .

⇒ $4x=6^(2)$

⇒ $x=(36)/(4)$

⇒ $x=9$

Hence we can conclude that the solution of the logarithmic equation is x = 9.

Learn more about the logarithms here

brainly.com/question/20785664

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Answer:x=9

Step-by-step explanation:

A 3-pound bag of apples costs $5.25. What is the unit price of a pound of apples? per pound At this rate, how many pounds of apples can be purchased for $17.50? pounds of apples Let x represent the number of pounds of apples and y the total cost of the apples. What is the equation that represents the direct variation between the total cost of the apples and the number of pounds of apples?

Answers

Answer:

Cost of 3 pounds of apples = $5.25

Cost of unit pounds of apples = $(5.25)/(3)= 1.75$ dollars.

So, price is $1.75 per pound.

At this rate, how many pounds of apples can be purchased for $17.50

Amount of apples = $(17.50)/(1.75)=10$ pounds

Let x represent the number of pounds of apples and y the total cost of the apples.

So, the equation that represents the direct variation between the total cost of the apples and the number of pounds of apples

$y=1.75x$

$1.75 per pound of apples, 10 apples can be purchased for $17.50 because you divide 17.50 by 1.75 since that is your unit rate per pound.

Raja can read 20 pages in an hour. How many pages can he read each minute? Can you explain this to me with an answer?

Answers

$1 \ h = 60 \ min \n \n(20 \ pages)/(1 \ h)=(20 \ pages)/(60 \ min)=(20)/(60) \ (pages)/(min) =(20 / 20)/(60 / 20) \ (pages)/(min) = (1)/(3) \ (pages)/(min)$

He can read 1/3 of a page each minute.

6,000 lb to tons what is the formula for that

Answers

6,000 = 2,000 X

6,000/2,000 = X

3,000 = X

t = lb
_______
2204.6

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113.6 grams is equal to how many ounces ?