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lyudmila [28]
3 years ago
5

Simplify each equation. Tell whether the equation has one, no, or infinite solutions. 3x-7=3(x-3)+2

Mathematics
1 answer:
STatiana [176]3 years ago
8 0

Answer: Infinite solutions

Step-by-step explanation: 3x -7 = 3(x-3)+2

                                             3x + -7 = (3)(x) + (3)(-3) + 2

                                             3x + -7 = 3x + -9 + 2

                                             3x - 7 = (3x) + (-7)

                                             3x -7 - 3x = 3x - 7 - 3x

                                             -7 + 7 = -7 + 7

                                             0 = 0

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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I = \frac{P}{4\pi d^{2}}

<em>where P: is the power ans d: is the distance. </em>

Hence, the ratio of the intensities of an earthquake wave passing through the Earth and detected at two points 19 km and 46 km from the source is:

\frac{I_{1}}{I_{2}} = \frac{P/4\pi d_{1}^{2}}{P/4\pi d_{2}^{2}}

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\frac{I_{1}}{I_{2}} = \frac{46 km^{2}}{19 km^{2}}

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I hope it helps you!    

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