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max2010maxim [7]
3 years ago
15

WILL GIVE BRAINLIEST!!

Mathematics
2 answers:
nevsk [136]3 years ago
8 0
It’s b 50 I did the math
valentinak56 [21]3 years ago
8 0

Answer:

wat that means is,

if an angle is 100 before reflection, it wud stay same after reflection also.

angles wont changes

Step-by-step explanation: sorry I really tried my best

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You have to add 10 last.
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(75 \div 8) + 10
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Chang spent $16
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76 percent

Step-by-step explanation:


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3 years ago
An SRS of 25 recent birth records at the local hospital was selected. In the sample, the average birth weight was x = 119.6 ounc
Evgen [1.6K]

Answer:

From the central limit theorem we know that the distribution for the sample mean \bar X is given by:

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

\mu_{\bar X}= \mu = 119.6

And now for the deviation we have this:

SE_{\bar X} = \frac{6.5}{\sqrt{25}}=1.3

So then the correct answer for this caee would be:

c. 1.30 ounces.

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 central limit theorem states that "if we have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed. This will hold true regardless of whether the source population is normal or skewed, provided the sample size is sufficiently large".

Solution to the problem

From the central limit theorem we know that the distribution for the sample mean \bar X is given by:

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

\mu_{\bar X}= \mu = 119.6

And now for the deviation we have this:

SE_{\bar X} = \frac{6.5}{\sqrt{25}}=1.3

So then the correct answer for this caee would be:

c. 1.30 ounces.

6 0
3 years ago
Write a equation for the graph​
Umnica [9.8K]

Answer:

(x-1)²+(y+4)²=3²

Step-by-step explanation:

The formula for a circle on a graph is standard form is:

(x – h)² + (y – k)² = r²

(h,k) being the center point of the circle.

r=radius

The answer for the equation of this circle in standard form is:

(x-1)²+(y+4)²=3²

8 0
3 years ago
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