Asked by Anonymous
C is partly constant and partly varies with t.when c=2700 and t =3 and when c=3100,t=5.find c when t=1.5
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Answered by
Anonymous
c = a + b t
2700 = a + b*3
3100 = a + b*5
-------------------------- subtract
-400 = -2 b
b = 200
then 2700 = a + 600
a = 2100
so
c = 2100 + 200 t
if t = 1.5
c = 2100 + 300 = 2400
2700 = a + b*3
3100 = a + b*5
-------------------------- subtract
-400 = -2 b
b = 200
then 2700 = a + 600
a = 2100
so
c = 2100 + 200 t
if t = 1.5
c = 2100 + 300 = 2400
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