4 years ago

Without wildfires, forest ecosystems would be more likely to suffer from outbreaks of plant disease true or false

Physics

1 answer:

aivan3 [116]4 years ago

5 0

The answer to that would be true

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The simple act of walking requires single leg

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Please don’t comment unless you for sure know you’re right

aleksandrvk [35]

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4 years ago

Magnetic fields are produced by: atoms currents voltages charges

baherus [9]

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4 years ago

A scientist who studies teenage behavior was interested in determining if teenagers spend more time playing computer games then

natita [175]

Answer:

greater than 0.10

Explanation:

The null hypothesis is:

$H_{0} = 10.2$

The alternate hypotesis is:

$H_{1} > 10.2$

Our test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the statistic, $\mu$ is the mean, $\sigma$ is the standard deviation and n is the size of the sample.

We have that:

$t = 0.45$

We are testing if X is greater than 0.45, so our pvalue is 1 subtracted by the pvalue of z = t = 0.45.

z = 0.45 has a pvalue of 0.6736

1 - 0.6735 = 0.3264

So our pvalue is 0.3264, which is greater than 0.10.

So the correct answer is:

greater than 0.10

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3 years ago

Question: <br>Define work.<br>

rjkz [21]

Answer:

<u>Work</u>, in physics, refers to the measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.

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