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Olin [163]
3 years ago
15

(2a-5)/6 = 5/12 what is the answer?

Mathematics
1 answer:
USPshnik [31]3 years ago
3 0

Answer:

a = 15/4.

Step-by-step explanation:

(2a-5)/6 = 5/12

Cross multiply:

12(2a - 5) = 5*6

24a - 60 = 30

24a = 90

a = 90/24

a = 15/4.

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Step-by-step explanation:

Since we have given that

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Standard deviation = 6.12

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So, it becomes,

\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=27.7\pm 1.96\times \dfrac{6.12}{\sqrt{50}}\\\\=27.7 \pm 1.69\\\\=(27.7-1.69,27.7+1.69)\\\\=(26.01,29.39)

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4 0
3 years ago
3. Molly bought four rose bushes for $16.40 each. Use
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4 0
3 years ago
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There are no solutions

Step-by-step explanation:

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Subtract 12 from both sides.

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