3 years ago

What’s the perfect square of 4x^2

Mathematics

2 answers:

kirza4 [7]3 years ago

8 0

16x^2 is the <span>perfect square of 4x^2</span>

Mkey [24]3 years ago

3 0

Solve for x over the real numbers:
4 x^2 = 0
Divide both sides by 4:
x^2 = 0
Take the square root of both sides:
Answer: x = 0

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Firlakuza [10]

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Answer:

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3 years ago

Consider H0: μ = 45 versus H1: μ < 45. A random sample of 25 observations produced a sample mean of 41.8. Using α = .025 and

a_sh-v [17]

Given
$H0: \ \mu=45 \\ \\ H1: \ \mu\ \textless \ 45$
This is a one-tailed test.

$z= \frac{41.8-45}{6/ \sqrt{25} } = \frac{-3.2}{6/5} = \frac{-3.2}{1.2} =-2.6667$

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3 years ago