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3 years ago

12

An earthquake wave travels through 55 km of rock in 25 seconds.

1 answer:

rewona [7]3 years ago

7 0

Answer:Therefore, the relationship will be of the form, y = mx + b, or in this case, d = (max distance / max time)t + 0.

Step-by-step explanation:

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An arithmetic sequence with a third term of 8 and a constant difference of 5

Vanyuwa [196]

$\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ d=\textit{common difference}\\ \hrulefill\\[0.5em] a_3=8\\ n=3\\ d=5 \end{cases} \\\\\\ a_3=a_1+(3-1)5\implies 8=a_1+(2)5 \\\\\\ 8=a_1+10\implies -2=a_1 \\\\\\ \begin{cases} a_1=-2\\ d=5 \end{cases}\implies a_n=-2+(n-1)d$

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3 years ago

What is the exponential regression equation that fits these data?

zlopas [31]

Answer:

Option B) $y = (1.31)(2.8^{x})$ is the correct option.

Step-by-step explanation:

<em>Exponential function is the one where, a constant is raised to the power of x, a independent variable.</em>

Here, only option B and D are such exponential functions, while option A is linear and option C is quadratic in nature.

Now, to verify which option is correct, we will input the values and check which has the least difference between the given values.

Or we can use the cost function,

$J = \frac{((y(i))-y)^2}{2m}$ , to find which function has the least error.

By applying the above results,we find Option B is correct.

6 0

3 years ago

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F(x) = x^2. what us g(x)?

Likurg_2 [28]

Answer:

Ues

Step-by-step explanation:

Ues papa math or demos and that should help

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3 years ago

Need help please with this question

SashulF [63]

Answer:

5/8

5/8

Step-by-step explanation:

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3 years ago

Solve for x and then find the measure of

bonufazy [111]

The answer should be 150

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3 years ago

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