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egoroff_w [7]
3 years ago
14

Please answer correctly !!!!!!! Will mark brainliest !!!!!!!!!!

Mathematics
1 answer:
astra-53 [7]3 years ago
6 0

Answer:

9 years.

Step-by-step explanation:

Make x the number of years passed.

\frac{39+x}{3+x}=4

12 + 4x = 39 + x

27 = 3x

x = 9

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slope = -4

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(y - y1)/(x -x1)

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Why are linear functions sometimes symmetric about the y-axis but never symmetric about the x-axis
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Test for symmetry about the y-axis: Replace x with (-x). Simplfy the equation. If the resulting equation is equivalent to the original equation then the graph is symmetrical about the y-axis. Example: Use the test for symmetry about the y-axis to determine if the graph of y - 5x2 = 4 is symmetric about the y-axis.
I didn't fully understand the question but this is the best I can do! Hope this helps! :D
7 0
2 years ago
Help me again pls :D sorry for the bother
matrenka [14]

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A

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2 years ago
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Natali [406]
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I hope I helped you with your question
6 0
3 years ago
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FV = $522.99

4 0
3 years ago
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