2 years ago

What the difference between wavelength and frequency

2 answers:

7 0

Answer: Wavelength is the distance between sound waves while frequency is the number of times in which the sound wave occurs.

Step-by-step explanation:

Ann [662]2 years ago

7 0

Answer:frequency is how fast something is coming (how frequent it is) and wave length is how long the light wave is traveling

Step-by-step explanation:

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Find the percent change.<br> 155 pounds to 130 pounds.

Romashka [77]

Answer:

130 pounds is about 84% of 155

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2 years ago

Show your work<br> −126 = 14k

Yuliya22 [10]

Answer: k = -9

Step-by-step explanation:

-126 = 14k

------- -------

14 14

-126 divided by 14 = -9

k = -9

4 0

2 years ago

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Len [333]

Answer:

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Step-by-step explanation:

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2 years ago

Find the surface area of the cylinder to the nearest tenth of a square unit. use 3.14 for pi

Alborosie

Given:

Height of cylinder is 18.2 cm
Radius of cylinder is 3 cm

$~$

To Find?

Surface area

$~$

Solution:

Using formula:

Surface area of cylinder = 2πr (h + r)

$~$

Substituting values in the formula:

$\longrightarrow \sf 2 × 3.14 × 3 (18.2 + 3)$

$\longrightarrow \sf 6.28 × 3 (21.2)$

$\longrightarrow \sf 18.84 × 21.2$

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$~$

Hence, (B) 399.4 cm² is right answer.

6 0

1 year ago

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Murrr4er [49]

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Step-by-step explanation:

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2 years ago

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