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In-s [12.5K]
3 years ago
10

How do I make this to an ordered pair

Mathematics
2 answers:
Andrews [41]3 years ago
7 0
Substitute any number in for x and solve for y. Say that x=1.
y=5(1)-7
y=5-7
y=-2
The ordered pair would be (1,-2).
nikklg [1K]3 years ago
5 0
Substitute any number in for x and solve for y. 
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If wxyz is a square with wz=27, find each measure
balandron [24]

Answer:

For a square all the sides are equal and measure 27

Step-by-step explanation:

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3 years ago
Risk taking is an important part of investing. In order to make suitable investment decisions on behalf of their customers, port
GrogVix [38]

Answer:

a=49.5 -1.28*15=30.3

So the value of height that separates the bottom 10% of data from the top 90% is 30.3.  

If the score is lower than 30.3 we consider this score as risk averse

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(49.5,15)  

Where \mu=49.5 and \sigma=15

We are interested in the bottom 10% of the data.

For this part we want to find a value a, such that we satisfy this condition:

P(X>a)=0.9   (a)

P(X   (b)

Both conditions are equivalent on this case. We can use the z score again in order to find the value a.  

As we can see on the figure attached the z value that satisfy the condition with 0.1 of the area on the left and 0.9 of the area on the right it's z=-1.28. On this case P(Z<-1.28)=0.1 and P(z>-1.28)=0.9

If we use condition (b) from previous we have this:

P(X  

P(z

But we know which value of z satisfy the previous equation so then we can do this:

z=-1.28

And if we solve for a we got

a=49.5 -1.28*15=30.3

So the value of height that separates the bottom 10% of data from the top 90% is 30.3.  

If the score is lower than 30.3 we consider this score as risk averse

7 0
3 years ago
The pattern 7, 21, 63, 189, ________ follows the rule multiply by 3. What is the next number in the pattern?
Radda [10]

Answer

The answer is 567

Step-by-step explanation:

189*3=567

6 0
3 years ago
I need to find X thank you
Pani-rosa [81]
I don't see anything
8 0
3 years ago
Hello can someone please help me ?
Pani-rosa [81]
Vertical asymptotes can be found by setting the denominator equal to 0

x^2-6x = 0
factor out x
x(x-6)
set the two parts equal to 0
x = 0

x-6 = 0
x = 6

so the two x values are 0 and 6

ANSWER: B. x = 0, x = 6
5 0
3 years ago
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