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kogti [31]
3 years ago
8

What is the equation of the line that has a y-intercept of 4.5?

Mathematics
1 answer:
leonid [27]3 years ago
5 0

Answer:

a) y = 4.5

Step-by-step explanation:

y intercept is where the line crosses the y axis. so y must be 4.5

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Answer:

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A number added to 3 is equal to negative 5, find the number​
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Answer:

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Step-by-step explanation:

An equation at represents this situation is:

-5 = 3 + x

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3 years ago
Nicholas has $50 to use while he is on a vacation. He decides to spend $5
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4 0
3 years ago
The mean of 10 values is 19. If further 5 values are
Leokris [45]

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

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3 years ago
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