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eimsori [14]
2 years ago
5

Fill in the blanks below to solve this equation for x. +6 = 9​

Mathematics
1 answer:
Amanda [17]2 years ago
6 0

Answer:

Step-by-step explanation:

<u><em>Subtract 6</em></u> on both sides of the equal sign.

x = <u><em>3</em></u>

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75 is your answer

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If you get a sneak peak at the salary list of your job and realize you are in the lowest bracket, which is the lowest 1%, what i
hoa [83]

Answer:

z=-2.33

And if we solve for a we got

a=48000 -2.33*5500=35185

And for this case the answer would be 35185 the lowest 1% for the salary

Step-by-step explanation:

Let X the random variable that represent the salary, and for this case we can assume that the distribution for X is given by:

X \sim N(48000,5500)  

Where \mu=48000 and \sigma=5500

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

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P(X   (b)

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 0.01 of the area on the left and 0.99 of the area on the right it's z=-2.33. On this case P(Z<-2.33)=0.01 and P(z>-2.33)=0.99

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:

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And if we solve for a we got

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7 0
3 years ago
Radius of a circular ground is 21m. Find.
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The circumference of a circle of radius r is

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The circumference is actually the length of the "perimeter", so the answer to questions 1 and 2 looks the same actually

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X will equal -7 in this problem
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