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Alik [6]
3 years ago
14

What is 3x=15? If anybody knows

Mathematics
2 answers:
Anna11 [10]3 years ago
8 0

Answer:

5

Step-by-step explanation:

3 times what equals 15

Debora [2.8K]3 years ago
5 0

Answer:

3x means to multiply so this question means 3x=15 that x is five i believe

Step-by-step explanation:

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<h3>Answer:  x = 2 or x = 8</h3>

Work Shown:

(x-5)^2+2=11\\\\(x-5)^2=11-2\\\\(x-5)^2=9\\\\x-5=\pm\sqrt{9}\\\\x-5=\pm3\\\\x=5\pm3\\\\x=5+3 \text{ or } x = 5-3\\\\x=8 \text{ or } x = 2\\\\

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The numbers of pages in the books in a library follow a normal distribution. If the mean number of pages is 180 and the standard
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Explanation:

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