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Trava [24]
2 years ago
8

PLSS HELP

Mathematics
1 answer:
Travka [436]2 years ago
5 0

Step-by-step explanation:

\sqrt{(x + 6) ^{2} }  =  \sqrt{18} \\ x + 6 =  +  -  \sqrt{18}  \\ x + 6 =  +  -  \sqrt[3]{2}

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Find the end time.<br> Start time: 11:35 AM.<br> Elapsed time: 3 hr 10 min<br> End time _____ P.M.
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Answer:

2:45 PM

Step-by-step explanation:

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2 years ago
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The formula for potential energy is P = mgh, where P is potential energy, m is mass, g is gravity, and h is height. What is heig
Ivan

the height:

h = \frac{P}{mg}

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Vary hard 11th grade test paper
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The average age of online consumers a few years ago was 24.1 years. As older individuals gain confidence with the​ Internet, it
love history [14]

Answer:

The correct option is (C).

Step-by-step explanation:

A null hypothesis is a sort of hypothesis used in statistics that intends that no statistical significance exists in a set of given observations.  

It is a hypothesis of no difference.

It is typically the hypothesis a scientist or experimenter will attempt to refute or discard. It is denoted by H₀.

Whereas the alternative hypothesis is a contradicting statement tot he null hypothesis. It is denoted by Hₐ.

In this case we need to test whether the average age of online consumers has increased or not.

From previous data we know that the average age of online consumers a few years ago was 24.1 years.

A one-sample mean test can be used to determine whether the mean age has increased or not.

The hypothesis for the test can be defined as follows:

<em>H₀</em>: The average age of online consumers is 24.1 years, i.e. <em>μ</em> = 24.1.

<em>Hₐ</em>: The average age of online consumers is more than 24.1 years, i.e. <em>μ</em> > 24.1.

Thus, the correct option is (C).

6 0
3 years ago
What is the absolute value equation for this graph?
tatyana61 [14]

Answer:

y = -|x +2| +4

Step-by-step explanation:

The parent function y=|x| is shifted to the left 2 units, so x is replaced by x+2. It is reflected across the x-axis, so is multiplied by -1: -|x+2|. It is shifted up 4 units, so has 4 added to it:

y = -|x+2| + 4

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3 years ago
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