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Monica [59]
3 years ago
11

Use the graph to state the solution for the system.

Mathematics
1 answer:
Svet_ta [14]3 years ago
3 0

Step-by-step explanation:

I. x - y = 4 --> y = x - 4

II. x + y = 4 --> y = 4 - x

Solution is x = 4 and y = 0

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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
Pls help! three arithmetic sequences are given below.
katrin [286]

The common difference is basically the number at which the pattern increases.

A's common difference: 2

B's common difference: 9

C's common difference: 5

answer: A, C, B

8 0
3 years ago
A particular plant root grows 1.5 inches per month. How many centimeters is the plant root growing per month?
NISA [10]

Answer:3.81 centimeters

Step-by-step explanation:All you have to do is to convert inches into centimeters

So 1 inch=2.54cm

Therefore 1.5inches=(1.5/1)×2.54cm

=3.81cm

3 0
3 years ago
Solve for e 7(2e-1)-3=6+6e du
kramer
7(2e-1)-3=6+6e
14e-7-3=6+6e
14e-10=6+6e
+10 +10
14e=16+6e
-6e -6e
8e=16
8e/8=16/8
E=2
5 0
3 years ago
How do I simplify 5/15
Thepotemich [5.8K]

Answer:

Find what <u>both fractions</u> are <u>divisible</u> by.

Step-by-step explanation:

Take \frac{5}{15} and if needed, use a multiplication tabel to help you figure out what both numbers are divisible by. 5 and 15 are both divisible by 5. Now you can reduce the answer to \frac{1}{3}.

Hope this helps!

-Coconut;)

8 0
3 years ago
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