2^(x+1) X 3^(x-2) = 8solve the equation.. help me plizzzz

Mathematics

2 answers:

madam [21]3 years ago

6 0

Answer:

X = 2

Step-by-step explanation:

If you need an step by step explanation, leave a comment! :D I'll write it here.

gayaneshka [121]3 years ago

4 0

Answer:

Answer is file

Step-by-step explanation:

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The First National Bank of Wilson has 600 checking account customers. Recent sample of 50 of these customers show 29 have a visa

uranmaximum [27]

Answer:

$0.58 - 1.64\sqrt{\frac{0.58(1-0.58)}{50}}=0.466$

$0.58 + 1.64\sqrt{\frac{0.58(1-0.58)}{50}}=0.694$

The 90% confidence interval would be given by (0.466;0.694)

Step-by-step explanation:

The estimated proportion of interest would be:

$\hat p=\frac{29}{50}= 0.58$

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by $\alpha=1-0.90=0.1$ and $\alpha/2 =0.05$ . And the critical value would be given by: