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shutvik [7]
3 years ago
13

Find the square root. 7.29 ​

Mathematics
1 answer:
Serjik [45]3 years ago
6 0

Answer:

2.7

Step-by-step explanation:

√7.29=2.7

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What is the relation between angles x and y?
Sliva [168]
I think it is Adjacent and Supplementary
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3 years ago
Which of the following shows the polynomial 3x^3 - 5x + x^7 + 9 + 4x^11 written in descending order?
alina1380 [7]

Answer:

4x^11+x^7+3x^3-5x+9

Its highest to lower based on the exponential number

our exponential numbers are: 3, 1, 7,0,11 putting those from highest to lowers would put them: 4x^11+x^7+3x^3-5x+9

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2 years ago
What is the expanded form of this number?<br><br> 503.208<br> (Trying to help my sister do math!)
Blababa [14]

Answer:

500+3+ .200+.008

Step-by-step explanation:

You add 500 and 3 then after you get your number add .200 lastly add .008.

when expanding numbers you need to know what place value it's in so that you k ow where to put the zeros.

3 0
3 years ago
Keisha makes a large sandwich for a family picnic.She takes 1/2 of the sandwich to the picnic.At the picnic,her family eats 3/8
insens350 [35]

Answer:

Keisha has 1/8th of the sandwich that she brings back.

Step-by-step explanation:

To start, take a whole sandwich and subtract the 1/2 she left at home and the 3/8 that her family ate.

1 - 1/2 - 3/8 = Leftover

We also need to give them common denominators to complete the action.

8/8 - 4/8 - 3/8 = Leftover

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3 0
3 years ago
The population of scores on a nationally standardized test forms a normal distribution with μ = 300 and σ = 50. If you take a ra
madreJ [45]

Answer:

P(\bar X

And using a calculator, excel or the normal standard table we have that:

P(Z

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".  

Solution to the problem

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

X \sim N(300,50)  

Where \mu=300 and \sigma=50

Since the distribution for X is normal then we know that the distribution for the sample mean \bar X is given by:

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})

We can find the individual probability like this:

P(\bar X

And using a calculator, excel or the normal standard table we have that:

P(Z

4 0
3 years ago
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