The frequency (f) of the note produced by striking a pipe of length (L) and radius (r) is given by f = 2r + c over 2L where c is the speed of sound, which is mately 13,500 in./sec. The following table shows some frequencies and related pipe lengths for PVC pipe with a radius of 1 in. What length pipe should be used in order to create the lowest note on an 88-key piano (an A), which has a frequency of 27.5 hertz?​

Answer:

440 I think haven't done these questions in a while.

Answer:

sixty seven

Step-by-step explanation: i think

Answer:

60+7

Step-by-step explanation:

Answer:

5 degrees colder

Step-by-step explanation:

You take the starting point then subract the ending point and you get your answer. But in order to know if its colder or warmer is to know that the higher the number, the hotter, and the lower the number, the colder.

Answer:

0.34%

Step-by-step explanation:

1. Start by representing the percentage with the variable, x %. Using x%, create an algebraic expression.

    29% X x = 3

2. Solve for x by dividing both sides by 29.

   29x divided by 29 =3 divided by 29.

             x=0.1034

3.Convert 0.1034 into a percentage by multiplying the decimal by 100%

             X =0.1034 x 100%

                  x=10.34%

Answer:

Exact Form:

x=−225

Decimal Form:

x=−4.4

Mixed Number Form:

x=−4 2/5

Step-by-step explanation:

Answer:

x = 6

Step-by-step explanation:

1/4 (x-2) + 5 = x

1/4 (x-2) = x - 5

x - 2 = 4(x-5)

x-2 = 4*x + 4*-5

x-2 = 4x - 20

x - 4x = 2 - 20

-3x = -18

x = -18/-3

x = 6

Check:

1/4(6-2) + 5 = 6

1/4(4) + 5 = 6

1 + 5 = 6

Answer:

At x= 4 the given expression is undefined.

Step-by-step explanation:

In a given function , if the denominator becomes zero then the function is undefined.

Here, denominator is x-4 so at x = 4 it will become zero. So we can say that at x=4 , the function is undefined

In a year with 365 days, it should rain for about 240 of those days for the given condition.

It is the ratio of two integers expressed as a decimal fraction of a whole number. It is a statistic for contrasting two sets of data, and the % sign is used to describe it as a percentage. Percentages are often and creatively used. For instance, a lot of data is published as percentages in the media, including bank interest rates, retail discounts, and inflation rates.

It is supposed to rain 66% of the time in Seattle, Washington. Considering that there are 365 days in a year,

Suppose the number of days is it expected to rain obtained be x,

x=66% of 365

x=66/100 × 365

x=240,9 ≈ 240

Thus, it should rain for about 240 days.

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Answer:

X = 14

14/2=7

Answer:

x=7

Step-by-step explanation:

you multiply a 2 to one already there and it eliminates the 2 entirely and then you get x=7

Answer:

x^ -10 or 1/x^10

Step-by-step explanation:

x:

[tex]3x^{2} +x+9[/tex]

y:

[tex]4y+7[/tex]

[tex]6y^{2} +y+3[/tex]

x and y:

[tex]2x-3y^{3} -4[/tex]

[tex]5x+3y+6[/tex]

Answer:

First problem: 1088 [tex]m^{3}[/tex]

Second problem: 554.3 [tex]m^{3}[/tex]

Step-by-step explanation: Please see the images below!

The volumes of both the pyramids are 1088 m³ and 554.3 in³.

The volume of a shape or solid is the space occupied by it, which also includes its height or depth.

a) To find the volume of the pyramid, first calculate the area of the base.

B = lw

Substitute 16 for l and 12 for w.

B = 16 ⋅ 12

Simplify.

B = 192 m²

To find the volume of the pyramid, use the formula for the volume of a pyramid.

V = 1/3 Bh

Substitute 192 for B and 17 for h.

V = 1/3 ⋅ 192 ⋅ 17

Simplify.

V = 1088 m³

Therefore, the volume of the rectangular pyramid is 1088 m³.

b) Similarly for the volume of a regular hexagonal pyramid with base edge length 8 in. and height 10 in.

Base area = 96√3 in²

Volume = 1/3 × 96√3 in² × 10 in

= 554.3 in³

Hence, the volumes of both the pyramids are 1088 m³ and 554.3 in³.

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the sum of the internal angles of a triangle are equal to 180 degrees.

once i remembered that the problem became a lot easier.

let a, b, and c be the angles of the triangle.

-----

let a = 2*b

-----

let c = a+b-12

-----

the above two statements are given.

since the sum of the internal angles of a triangle are equal to 180, then we have a third equation to work with which is

-----

a + b + c = 180

-----

we now have 3 equations for 3 unknowns and we should be able to solve for each of the unknowns.

-----

it looks like the easiest thing is to solve for b. once we find b, the rest should fall into place very nicely.

-----

since a = 2*b, we can substitute 2*b for a in the equation a + b + c = 180.

that equation then becomes 2*b + b + c = 180 which becomes 3*b + c = 180.

looking at the equation c = a + b - 12, we solve for b as follows:

since we know that a = 2 * b, we can substitute 2*b for a and the equation becomes c = 2*b + b - 12 which becomes c = 3*b - 12.

-----

the equation we are working with is 3*b + c = 180 which originally started as a + b + c = 180.

we can substitute 3*b - 12 for c and the equation becomes

3*b + 3*b - 12 = 180 which becomes 6*b = 192 after adding 12 to both sides and combining like terms.

dividing both sides of the equation by 6 and we get b = 32 degrees.

-----

we have b = 32 degrees.

we have a = 2 * b so a = 64 degrees.

we have c = a + b - 12 which becomes c = 32 + 64 - 12 which becomes c = 96 - 12 which becomes c = 84 degrees.

-----

substituting in the equation a + b + c = 180, we get 32 + 64 + 84 = 180 which becomes 96 + 84 = 180 which becomes 180 = 180.

-----

answer is:

a

Answer:

[tex]g = \sqrt{\frac{S}{3kr^{-5}}}[/tex]

Step-by-step explanation:

Given

[tex]S=gr^{-5}gk*3[/tex]

Required

Solve for g

[tex]S=gr^{-5}gk*3[/tex]

Split into different entities

[tex]S=g * r^{-5}*g*k*3[/tex]

Reorder in terms of like terms

[tex]S=g*g * r^{-5}*k*3[/tex]

[tex]S=g^2 * r^{-5}*k*3[/tex]

[tex]S=g^2 * 3kr^{-5}[/tex]

Solve for [tex]g^2[/tex]

[tex]g^2 = \frac{S}{3kr^{-5}}[/tex]

Take square root of both sides

[tex]g = \sqrt{\frac{S}{3kr^{-5}}}[/tex]

Answer:

x>2

Step-by-step explanation:

5x>2x+6 Subtract 2x from 5x

3x>6 Divide 3 by 6

x>2

Answer:

B. April

Step-by-step explanation:

Hey there! I'm happy to help!

We have twice Gali's score, which is 2 multiplied by g, which we can write as 2g.

We increase 23 by 2g, which means, we add.

23+2g.

Have a wonderful day! :D

Answer:

23+2g

Step-by-step explanation:

Let g = gali's score

[tex]twice \:gali\: score = 2\times g\\\\= 2g[/tex]

To increase = +

[tex]23 +2g[/tex]

Answer:

5

Step-by-step explanation:

Answer:

11. X'( 1 , 6 )

12. Y'( 5 , 1 )

13. Z'( 6 , 4 )

14. X"( -1 , -6 )

15. Y"( -5 , -1 )

16. Z"( -6 , -4 )

Only had time for the coordinates-!

Answer:

no

Step-by-step explanation:

Answer: you would divide the total price of $22.20 by the amount of cartons, which is 12, giving you the unit rate of $1.85 per carton. the unit rate, $1.85 multiplied by 7 is $12.95, so it would cost $12.95 for 7 cartons of eggs

Step-by-step explanation:

Answer:

Step-by-step explanation:

the person up is right

Answer:

Shortest distance is 5 blocks.

Answer:

5.8

Step-by-step explanation:

I'm not 100% on this as the decimal in the answer makes me doubt myself. Here's the explanation anyways

Answer:

amount spend on groceries = 82.80

percent spend in groceries = 15%

let total paycheck be x

15%of x= 82.80

x=552

percent spend on bills = 132.48/552 = 24%

Step-by-step explanation:

Answer:

$-41.77

Step-by-step explanation:

$298.40 multiplied by 2 is $596.8, since Savannah added 2 deposits.

Now we add that to the current balance, -$638.57, to get an answer of $-41.77

Answer:

-41.77

Step-by-step explanation:

Multiply $298.40 by 2 OR add $298.40 + $298.40

either gives you $596.80

Savannah deposited $596.80

You add that to -$638.57

Answer:She will count the cookies by 2's

Step-by-step explanation:

Answer:

y=mx+b

Step-by-step explanation:

Step-by-step explanation:

[tex]25 = 9x + 4 - 6x[/tex]

[tex]25 - 4 = 9x - 6x \\ [/tex]

[tex]21 = 3x[/tex]

[tex] \frac{21}{3} = x[/tex]

[tex]7 = x[/tex]

Answer:

[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{x = 7}}}}}[/tex]

Step-by-step explanation:

[tex] \star{ \tt{ \: 25 = 9x + 4 - 6x}}[/tex]

[tex] \sf{Step \: 1 \: }[/tex] : Collect like terms

Like terms are those which have same base

[tex] \longmapsto{ \sf{25 = 3x + 4}}[/tex]

[tex] \tt{Step \: 2 \: }[/tex] : Swap the sides of the equation

[tex] \longmapsto{ \sf{3x + 4 = 25}}[/tex]

[tex] \tt{Step \: 3 \: }[/tex] : Move 4 to right hand side and change it's sign

[tex] \longmapsto{ \sf{3x = 25 - 4}}[/tex]

[tex] \tt{Step \: 4}[/tex] : Subtract 4 from 25

[tex] \longmapsto{ \sf{3x = 21}}[/tex]

[tex] \tt{Step \: 5}[/tex] : Divide both sides by 3

[tex] \longmapsto{ \sf{ \frac{3x}{3} = \frac{21}{3}}} [/tex]

[tex] \tt{Step \: 6}[/tex] : Calculate

[tex] \longmapsto{ \sf{x = 7}}[/tex]

The value of x is 7

Hope I helped!

Best regards! :D

~TheAnimeGirl

Answer:

It would be 52

Step-by-step explanation:

You divide 91 by 7 and u get 13 so u multiply that by 4 and u get your answer

Answer:

0, they all equal 0

Basic Math - the property of 0:

The multiplication property of zero says that zero times any number is equal to zero.

Step-by-step explanation:

Solution:

6(1/6)-2+1+12x0   =   anything times 0 = 0

6(1/6)-2+1+0   =   0

6(1/6)-2+1   =   0

1-2+1   =   0

-1+1   =   0

=0