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madam [21]
3 years ago
7

I need to find Y=Mx+b. I found M but i forgot how to find B. Help

Mathematics
1 answer:
enot [183]3 years ago
3 0
Y = mx + b. This linear graph passes through A(0,50) and B(10,51)

m = (y₂-y₁)/(x₂-x₁)
m= (51-50)/10-0)
m=(1)(10)

y = (1/x) + b. To find b, you plugin the coordinates of either A or B,
say A(0,50):

50 = (1/10).(0) + b
50 = 0+b  and b= 51

Hence the equation is y =0.1x + 50


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We can solve this two different ways. I'll do both, and you choose which one makes the most sense:
We can divide the fraction 3/4 by 12. remember, when we divide fractions, we flip the second fraction and change the sign to multiplication:
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1/16 Each step takes 1/16 of an hour. 
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Second way:
3/4 of an hour is 3/4 of 60...45 minutes.
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Step-by-step explanation:

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