3 years ago

Write x^2 − 8x + 13 = 0 in the form (x −

1 answer:

4 0

If you would like to write the equation in the above form, you can calculate this using the following steps:

x^2 - 8x + 13 = 0
(x - 4)^2 = x^2 - 8x + 16
(x - 4)^2 - 3 = 0
(x - 4<span>)^2 = 3
</span>
The correct result would be (x - 4<span>)^2 = 3.</span>

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A store pays $56 for a GPS navigation system. The markup is 25%.Find the selling price.

Phantasy [73]

$70

.25(56) = 14
14 + 56= $70

3 0

2 years ago

If it is assumed that the heights of men are normally distributed with a standard deviation of 2.5 inches, how large a sample sh

Volgvan

Answer:

30 men

Step-by-step explanation:

In order to be sure that the sample mean does differ from the population mean by more than 0.90, the sample size (n) that should be used is given by: