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artcher [175]
3 years ago
9

Which of the following is equivalent to?

Mathematics
1 answer:
horsena [70]3 years ago
3 0

Answer:

<u>Answer</u><u> </u><u>is</u><u> </u><u>1</u><u>/</u><u>6</u>

Step-by-step explanation:

{36}^{ -  \frac{1}{2} }  \\  =  \frac{1}{ {36}^{ \frac{1}{2} } }  \\  \\  =  \frac{1}{ \sqrt{36} }  \\  \\  =  \frac{1}{6}

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What type of information do you need to be given to prove two triangles are congruent? ​
marusya05 [52]

If the hypotenuse and leg of one right triangle are congruent to the corresponding parts of another right triangle, the right triangles are congruent. The "included angle" in SAS is the angle formed by the two sides of the triangle being used. The "included side" in ASA is the side between the angles being used.

5 0
3 years ago
2(3.4-6)2+80:(17-5.3)2+3.√49
yaroslaw [1]
This is. Pemdas. P is puntion. M mutupaTy d division a. Aadd s subtraant
8 0
3 years ago
Which expressions are equivalent to 2r+(t+r)
irga5000 [103]

Answer:

Option C -> None of the above.

Step-by-step explanation:

Given-

2 r + ( t + r )

<em>⇒ 2 r + t + r</em>

<em>⇒ 2 r + r + t</em>

<em>⇒ 3 r + t</em>

∵ 2 r + ( t + r ) = 3 r + t.

∴ The given expression is equivalent to Option C : None of the above.

8 0
3 years ago
Read 2 more answers
An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 130 lb and
egoroff_w [7]

Answer:

a) P(140

P(0.036

P(0.036

b) P(140< \bar X

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Part a

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

X \sim N(139,28.1)  

Where \mu=139 and \sigma=28.1

We are interested on this probability

P(140

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(140

And we can find this probability like this:

P(0.036

And in order to find these probabilities we can find tables for the normal standard distribution, excel or a calculator.  

P(0.036

Part b

For this case we select a sample size of n =32. Since the distribution for X is normal then the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu=139, \frac{\sigma}{\sqrt{n}}=\frac{28.1}{\sqrt{32}}=4.97)

And the new z score would be:

Z=\frac{\bar X -\mu}{\sigma_{\bar x}}

P(140< \bar X

P(140< \bar X

5 0
3 years ago
A box is filled with thirty six plates. How many boxes can be filled with a thousand plates?
Yuki888 [10]
Hello there ^ _ ^


We know that 36 plates filled 1 box
if we have 1000 plates, how many box it would fill.

All we have to do is divide 1000 by 36 to find the answer.

1000/ 36 = 27.77777 or you can just say 28


I hope this help!
4 0
3 years ago
Read 2 more answers
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