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musickatia [10]
3 years ago
14

What is the measure of Zx? X= ??

Mathematics
1 answer:
Montano1993 [528]3 years ago
3 0

Answer:

x = 31 degrees

Step-by-step explanation:

180 - 149 = 31

Hope this helps!

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The mean of 10 values is 19. If further 5 values are
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Answer:

22

Step-by-step explanation:

Pretend the 10 values in the first sentence are a,b,c,d,e,f,g,h,i,j

Pretend the addition 5 values is k,l,m,n,o

So the mean of all the 15 data is (a+b+c+d+e+f+g+h+i+j+k+l+m+n+o)/15=20

So the sum of all 15 data is  a+b+c+d+e+f+g+h+i+j+k+l+m+n+o=300                since 15(20)=300

Now let's look at the first 10:  We have their mean so we can write:

(a+b+c+d+e+f+g+h+i+j)/10=19

so a+b+c+d+e+f+g+h+i+j=190                               since 10(19)=190

So that means using our first sum equation and our equation sum equation we have

190+k+l+m+n+o=300

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So the average of those 5 numbers mentioned in your problem is 110/5=22

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Whats is the answer -2/3 (-1 1/6)
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Answer:

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Step-by-step explanation:

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Now multiply:

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