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jeka57 [31]
3 years ago
12

What is the arithmetic mean of 4,9,6,3,4,2?

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0
Add of the numbers to together, which gives you 28 and divide by 7 which makes the arithmetic mean = 4
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You are constructing triangle ABC given the line segments AB and AC and ∠A. The first thing you do is copy segment AC. Next, you
kondaur [170]

Answer:

  C)  Copy AB

Step-by-step explanation:

The general idea is that you copy one segment, then the angle (so you know which direction the other segment goes), then the second segment. Finally, you connect the ends of the segments to complete the triangle.

The given description says you've done the first two parts of this, so you must mark off the length of segment AB in the direction you just constructed. That is, you must ...

  Copy AB.

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In the attached figure, the construction did segment AB first, and is about to do segment AC next. The idea is the same. Swap points B and C in your mind to match the description in the problem statement.

7 0
3 years ago
Many people believe that the daily change of price of a company's stock on the stock market is a random variable with mean 0 and
Tomtit [17]

Answer:

Step-by-step explanation:

We can use normal aproximation, assuming that the random variables are a lot of that means the sample size is large.

P(x>105) = P(z>\frac{105-100}{1})=P(z>5)

Using the normal distribution table,

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Hence, we can conclude that the probability that the stock’s price will exceed 105 after 10 days is very small.

Hope this helps!

8 0
3 years ago
What is the substitution of -6x-8y=-20 and x+6y=-6
ale4655 [162]

Substitution doesn't work for this, but elimination does.

-6x-8y=-20 +6( x+6y=-6)

-6x-8y=-20 + 6x+36y=-36

-6x and 6x cancel each other, add -8 and 36 to get 28, and -20 and -36 to get -56.

28y=-56

divide by 28 on both sides.

Y= -2

Then substitute y into one of the equations.

x+6(-2)=-6

x-12=-6

x=6

The ordered pair is (6,-2).

5 0
3 years ago
Read 2 more answers
Help me out please??????
Jobisdone [24]

Answer:

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Step-by-step explanation:

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2 years ago
Find the area of the triangle <br> 19cm<br> 15cm<br> 12cm
777dan777 [17]

Answer:

Step-by-step explanation:

4 0
2 years ago
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