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4 years ago

Explain why the wavelength would represent two notes that sound terrible together.

1 answer:

5 0

Notes that sound "bad" together are said to be dissonant. The dissonance is caused by the acoustic waves interfering with each other. ... On the interval of an octave, the note with higher pitch has a wavelength that is half as long as the lower note. As for scales, think of the individual notes as Lego bricks.

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Classify the real number -1.125

Kamila [148]

It is a rational number because it can be expressed by a quotation or fraction of an integer

8 0

4 years ago

Write five other iterated integrals that are equal to the given iterated integral. 8 0 x2 0 y f(x, y, z) dz dy dx 0

mash [69]

An iterated integral is the outcome of taking integrals toward a function of more than one variable in such a way that part of the variables is treated as constants for each of the integrals.

From the given parameters, we are to write out five iterations for a triple integral;

$\mathbf{\int ^8_0\ \int^{x^2}_{0} \ \int^y_0 \ \ f(x, y, z) \ dz dy dx }$

where;

the region is bounded by 0 ≤ z ≤ y, 0 ≤ y ≤ x², 0 ≤ x ≤ 8.

Thus, since x, y, z are functions of at least one variable, we can have the following iterations:

$\mathbf{\int^{64}_{0} \ \int^{8}_{\sqrt{y}} \ \int^{y}_{0} \ \ f(x,y,z) dz dxdy}$

$\mathbf{\int^{64}_{0} \ \int^{y}_{0} \ \int^{8}_{\sqrt{y}} \ \ f(x,y,z)\ dxdzdy}$

$\mathbf{\int^{64}_{0} \ \int^{64}_{z} \ \int^{8}_{\sqrt{y}} \ \ f(x,y,z)\ dxdydz}$

$\mathbf{\int^{8}_{0} \ \int^{x^2}_{0} \ \int^{x^2}_{z} \ \ f(x,y,z)\ dydzdx}$

$\mathbf{\int^{64}_{0} \ \int^{8}_{\sqrt{z}} \ \int^{x^2}_{z} \ \ f(x,y,z)\ dydxdz}$

Learn more about iterated integrals here:

brainly.com/question/7009095

4 0

2 years ago

When Adrian runs the 400 meter dash, his finishing times are normally distributed with a mean of 77 seconds and a standard devia

iragen [17]

Answer:

0.749

Step-by-step explanation:

We start by calculating the z-score

Mathematically:

z-score = (x-mean)/SD

z-score = (75-77)/3 = -2/3 = -0.67

The probability we want to calculate is;

P( X > -0.67)

we can use the standard normal distribution table for this

Using this table, the probability has a value 0.74857 which is 0.749 to the nearest thousandth

4 0

3 years ago

Please help me I’ve been stuck on this all week!:(

Zinaida [17]

Answer:

12x^4 + 10x^3-22x^2 - 15x

Step-by-step explanation:

5 0

3 years ago

F(x)=-3|x-4| Vertical shrink by a factor of 1/2

sweet [91]

to vertically shrink a function by a factor of c, multiply the whole function by c

f(x) vertically shrunk by a factor of c would be cf(x)

so f(x)=-3|x-4| vertically shrunk by a factor of 1/2 would be $f(x)=(\frac{-3}{2})|x-4|$

6 0

3 years ago