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lbvjy [14]
2 years ago
5

IWHDHDNDJBFJDNX HELP!!!!!​

Mathematics
1 answer:
Sati [7]2 years ago
8 0

Answer:

The answer should be B.

Step-by-step explanation:

I got the answer before. Can't remember if I was right. Also A can also be correct.

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6th grade help me Algebra I think
scoundrel [369]

n - 7 = 21, n= 28 should be right bc the difference of 28 and 7 is 21


6 0
3 years ago
In the triangle below, what is the length of Ac?<br> B<br> 60°<br> 14<br> 60°<br> 60°<br> А<br> с
Katena32 [7]

Answer:

A-14

Step-by-step explanation:

All the angles of the triangle ABC are 60°.

Therefore it is an equilateral triangle.

All sides of an equilateral triangle are equal.

Hence, AC = 14

3 0
2 years ago
Evaluate the function for the given value: f(x)=2x (to the power of 2) -5x-17, find f(-3)
lions [1.4K]

Answer:

f(-3) = 16

Step-by-step explanation:

You substitute -3 to x.

f(-3) = 2(-3)² - 5(-3) - 17

f(-3) = 16.

As for the coordinates, the coordinates plotted in the graph above are (1,-1) and (2,-2).

7 0
3 years ago
Read 2 more answers
What is 13/15÷5 3/4 ​
Nataliya [291]

Answer:

52/345

Step-by-step explanation:

3 0
2 years ago
Describe how the variability of the distribution changes as the sample size increases. As the sample size increases, the variabi
wolverine [178]

Answer:

As the sample size increases, the variability decreases.

Step-by-step explanation:

Variability is the measure of actual entries from mean.  The less the deviations the less would be the variance.

For a sample  of size n, we have by central limit theorem the mean of sample follows a normal distribution for random samples of large size.

X bar will have std deviation as \frac{s}{\sqrt{n} }

where s is the square root of variance of sample

Thus we find the variability denoted by std deviation is inversely proportion of square root of sample size.

Hence as sample size increases, std error decreases.

As the sample size increases, the variability decreases.

7 0
3 years ago
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