Answer:
2
Step-by-step explanation:
Because 3-1 is 2 and 1/4-1/4=0
So 2
Answer:
1: inequality
2: solution
3: open circle
4: infinite
5: closed circle
Step-by-step explanation:
-4.9t²+7.5t+1.8=2.1
-4.9t²+7.5t-0.3=0
t=-7.5±√(56.25-4*-4.9*-.3)/-2*4.9
t=-7.5±√(44.49/-9.8
t=(-7.5±6.67)/-9.8
t=-.83/-9.8 = .085 or t= -14.17/-9.8 = 1.446
Answer:
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Step-by-step explanation:
Percentage of heads
= 53/100 x 100
=53%
percentage of tails
= 100-53
=47
=47/100 x100
= 47%
