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3 years ago

Which expression are equivalent to 2^6

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

6 0

Answer:

Step-by-step explanation:

Exponents mean the base times itself

So 2^6 = 2 times itself six times

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A 7-foot piece of twine costs $13.44. What is the price per inch?

Natalija [7]

Answer:

1.92 per inch

Step-by-step explanation:

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3 years ago

A pipe that is open at both ends has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s. What is the le

Tems11 [23]

Answer:

51.72 cm.

Step-by-step explanation:

We have been given that a pipe that is open at both ends has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s. We are asked to find the length of the pipe.

First of all, we will find the wavelength using following formula.

$\text{Wave speed}=\text{Frequency}\times \text{Wave length}$

$331\frac{\text{m}}{\text{s}}=320\text{ Hz}\times \text{Wave length}$

We know that Hz is equal to $\frac{1}{s}$ .

$331\frac{\text{m}}{\text{s}}=320\frac{1}{\text{s}}\times \text{Wave length}$

$331\text{ m}=320\times \text{Wave length}$

$\text{Wave length}=\frac{331}{320}\text{ m}$

$\text{Wave length}=1.034375\text{ m}$

Length of the pipe would be half of the wave-length.

$\text{Length of pipe}=\frac{1.034375}{2}\text{ m}=0.5171875\text{ m}$

Since the length of pipe is in meters, so we will convert it into cm.

1 m = 100 cm

$\text{0.5171875 m}=0.5171875\times 100\text{ cm}=51.71875\text{ cm}\approx 51.72\text{ cm}$

Therefore, the length of the pipe would be 51.72 cm.

6 0

4 years ago

Some more math that i have on my book.

torisob [31]

Answer:

Hope this helps Buddy!

- Courtney

6 0

4 years ago

There are 20 identical solid hemispheres. The curved surface and the flat surface of each hemisphereare are to be painted red an

gavmur [86]

Answer:

2:1.

Step-by-step explanation:

The area of a red curved surface = 2πr^2.

The area of the yellow flat surface = πr^2.

This is the case for all the hemispheres.

Therefore the required ratio = 2πr^2 : πr^2

= 2:1.

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3 years ago

Find the value of x and then classify the triangles by it's angles

Ulleksa [173]

the answer is a or d

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3 years ago

Read 2 more answers