Posted by rmz on Friday, February 19, 2010 at 6:04pm.
We do not have the table to help you.
Ostrich 1 Ostrich 2 Ostrich 3
Weight of Mother 120 lbs. 160 lbs. 180 lbs.
Weight of Egg 2.4 lbs 3.2 lbs 3.6 lbs
Sorry about that.
From your data, form three ordered pairs
(120,2.4), (160,3.2) and (180,3.6)
there is a linear relation between the 3 points, they lie in a straight line.
So you can find the equation of egg weight (e) vs ostrich mother weight (w)
the slope between any two of the three points is .02
so e = .02w + b , (using the standard y=mx+b )
using (120,2.4)
2.4 = .02(120) + b
b = 0
so e = .02w ---- a direct variation.
so for a) sub in 175 for w to get
e = .02(175) = 3.5
You do b), ok?
Yup, I think I got it
e = .02(190) = 3.8 right?
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