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3 years ago

16^1/4 = a. 1/2 b. 2 c. 4

Mathematics

2 answers:

stiv31 [10]3 years ago

4 0

Answer:

Step-by-step explanation:

baherus [9]3 years ago

3 0

<h3> - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - </h3>

➷ If you have a fraction as a power, you have to 'root' it by whatever the denominator is

In this case it is 4, so we do this:

$\sqrt[4]{16}$ = 2

Therefore, the answer is B. 2

➶Hope This Helps You!

➶Good Luck :)

➶Have A Great Day ^-^

↬ Hannah ♡

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maria [59]

Answer:

(0.6613, 8.3387)

Step-by-step explanation:

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$n_{2} = 7$ , $\bar{x}_{2} = 64.9$ , $s_{2} = 2.58$ . The pooled

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$s_{p}^{2} = \frac{(n_{1}-1)s_{1}^{2}+(n_{2}-1)s_{2}^{2}}{n_{1}+n_{2}-2} = \frac{(15-1)(3.09)^{2}+(7-1)(2.58)^{2}}{15+7-2} = 8.68$

The 99% confidence interval for the true mean difference between the mean height of the men and the mean height of the women is given by (if the samples are independent)

$(\bar{x}_{1}-\bar{x}_{2})\pm t_{0.01/2}s_{p}\sqrt{\frac{1}{15}+\frac{1}{7}}$ , i.e.,

$(69.4-64.9)\pm t_{0.005}2.946\sqrt{\frac{1}{15}+\frac{1}{7}}$

where $t_{0.005}$ is the 0.5th quantile of the t distribution with (15+7-2) = 20 degrees of freedom. So

$4.5\pm(-2.845)(2.946)(0.458)$ , i.e.,

(0.6613, 8.3387)

5 0

3 years ago

If 11,000 is 85% of what was in my bank account, how much did I originally have?

Mrrafil [7]

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Step-by-step explanation:

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