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atroni [7]
3 years ago
9

Solve for x 6 (8X minus 1) equals 9 (x + 2)

Mathematics
1 answer:
Oxana [17]3 years ago
8 0

Answer:

x = \frac{8}{13}

Step-by-step explanation:

Given

6(8x - 1) = 9(x + 2) ← distribute parenthesis on both sides

48x - 6 = 9x + 18 ( subtract 9x from both sides )

39x - 6 = 18 ( add 6 to both sides )

39x = 24 ( divide both sides by 39 )

x = \frac{24}{39} = \frac{8}{13}

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The Ohio Department of Agriculture tested 203 fuel samples across the state in 1999 for accuracy of the reported octane level. F
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Answer:

The Sample size is 1918.89035

Step-by-step explanation:

Consider the provided information.

It is given that 14 out of 105 samples failed.

Therefore p = 14/105 = 0.13 3... and q=1-0.133=0.867

Samples would be needed to create a 99 percent confidence interval.

Subtract the confidence level from 1, then divide by two.

\frac{(1 -0.99)}{2}=0.005

By standard normal table z=2.5758≈2.58

Calculate the sample size as:

n=\frac{z^2pq}{e^2}

Where,  e is the margin of error,

Substitute the respective values.

n=\frac{(2.58)^2(0.133)(0.867)}{(0.02)^2}=1918.89

Hence, the Sample size is 1918.89035

4 0
2 years ago
You want to make a necklace with 5 beads on it; you have a bag that contains 5 differently colored beads. You draw a bead from t
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There are 120 different combinations.

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5*4*3*2*1 = 120.
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2 years ago
What is the sum of twenty and thirty
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Answer:

1

Step-by-step explanation:

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