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rewona [7]
3 years ago
9

Help me solve 3/4x=18-1/2x

Mathematics
1 answer:
expeople1 [14]3 years ago
8 0
I hope this helps you

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Subtracting 5 from each score in a distribution with a mean equal to 40 and a standard deviation equal to 3 will result in a sta
LenaWriter [7]

Adding or subtracting a constant from each value of a distribution changes the mean, but not the standard deviation.


The standard deviation will equal 3.

6 0
2 years ago
A cube made a silver has a density of 10,490 kg/m^3. If one of the sides were doubled without changing the mass of silver, how w
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Answer:

D- It would quadruple

Step-by-step explanation:

8 0
3 years ago
How many times longer is the wavelength of a sound wave with a frequency of 20 waves per second than the wavelength of a sound w
sergejj [24]

The sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

<h3>Calculating wavelength </h3>

From the question, we are to determine how many times longer is the first sound wave compared to the second sound water

Using the formula,

v = fλ

∴ λ = v/f

Where v is the velocity

f is the frequency

and λ is the wavelength

For the first wave

f = 20 waves/sec

Then,

λ₁ = v/20

For the second wave

f = 16,000 waves/sec

λ₂ = v/16000

Then,

The factor by which the first sound wave is longer than the second sound wave is

λ₁/ λ₂ = (v/20) ÷( v/16000)

= (v/20) × 16000/v)

= 16000/20

= 800

Hence, the sound wave with a <u>frequency of 20</u> waves/sec is 800 longer than the wavelength of a sound wave with a <u>frequency of 16,000</u> waves/sec

Learn more on Calculating wavelength here: brainly.com/question/16396485

#SPJ1

6 0
1 year ago
Choose all of the problems that result in an answer of 8.5.
Alexxx [7]

Answer:E

Step-by-step explanation:

Type it all into a calculator

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER + BRAINLIEST !!
PtichkaEL [24]

Answer:

Shouldn't the answer be A

Step-by-step explanation:

Because you are only increasing the rate interest and not the result itself.

3 0
3 years ago
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