3 years ago

Plz help with this question

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

4 0

Somehow i got 2.5 guess i am wrong...

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Select the correct answer.

marishachu [46]

Answer:

$M = \log(10000)$

Step-by-step explanation:

Given

$M = \log(\frac{I}{I_o})$

$I = 10000I_o$ ---- intensity is 10000 times reference earthquake

Required

The resulting equation

We have:

$M = \log(\frac{I}{I_o})$

Substitute the right values

$M = \log(\frac{10000I_o}{I_o})$

$M = \log(10000)$

5 0

3 years ago

Solve the differential equation.<br><br> (y^2 + xy^2)y' = 1

stira [4]

$(y^2 + xy^2)y' = 1 \ \Rightarrow\ (y^2 + xy^2)\frac{dy}{dx}= 1 \ \Rightarrow\\ \\
y^2(1 + x) \frac{dy}{dx} = 1 \ \Rightarrow\ y^2 dx = \frac{dx}{1 + x}\ \Rightarrow \\ \\
\int y^2 dx =\int \frac{dx}{1 + x} \ \Rightarrow\ \frac{1}{3}y^3 = \ln|1+x| + C\ \Rightarrow \\ \\
y^3 = 3 \ln|1 + x| + 3C\ \Rightarrow\ y = \sqrt[3]{3\ln|1+x| + K},\ \text{where $K = 3C$}
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3 years ago

Graph f(x)=<img src="https://tex.z-dn.net/?f=%202%5E%7Bx%7D%20" id="TexFormula1" title=" 2^{x} " alt=" 2^{x} " align="absmiddle"

Lynna [10]

The solution is x=1.

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2 years ago

Read 2 more answers

How to make$1.05 with dimes and quarters?

anyanavicka [17]

1 quarter & 8 dimes..

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3 years ago

Julian wants her rectangular garden to cover an AREA of 180 square feet what bare the LENGTHS AND WIDTHS of two possible rectang

AlekseyPX

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3 years ago