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VLD [36.1K]
3 years ago
6

After birth, a baby's weight increased at a steady rate for several weeks.

Mathematics
1 answer:
Volgvan3 years ago
5 0
Y=mx+b first we will find m or the slope.

m=(9.2-7.2)/(6-1)=2/5=0.4 now we have:

y=0.4x+b, using either point we can now solve for b, the "y-intercept", which in this case is the weight at birth :) I'll use point (1, 7.2) so our equation is:

7.2=0.4+b, b=6.8

y=0.4x+6.8

So the weight at birth was 6.8 lb
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