DavieCrocketttt
DavieCrocketttt
10-05-2018
Mathematics
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popalabdulqayou
popalabdulqayou
10-05-2018
a)
y= ax²+bx+c
use a scientific calculator to find a, b and c:
a= -.4931097152
b=23.37398868
c=996.028896
y= -.49x²+23.37x+996.03
b)
y=-.49(20)+23.37(20)+996
soil density is approximately is 1453.6
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