3 3/4
= 3+ 3/4
= 3+ 0.75
= 3.75
The length as a decimal is 3.75 m~
Answer:
50.020 and 50.02
Step-by-step explanation:
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Answer:
3.5
Step-by-step explanation:
5(6-x)=12.5
(5*6)-(5*x)=12.5
30-5x=12.5
subtract 30 from each side:
-5x=-17.5
divide -5 from each side:
x=3.5
Slope of line parallel is same slope and perpendicular slope is complete opposite, so 2/5
Step-by-step explanation:
P(X=1) = P(first heads and second tails) +P(first tails and second heads)
=P(first heads)×P(second tails) + P(first tails) ×P(second heads)
because events are independent P(A∩B) = P(A) ×P(B)
= 0.6 ×0.3 + 0.4 ×0.7
= 0.46
P(X=0) = P(first tails and second tails)
= 0.4 ×0.3
=0.12
P(X=2) = P(first heads and second heads)
= 0.6 ×0.7
= 0.42
Mean E(X) = 0 ×0.12 + 1 × 0.46 + 2 ×0 0.42
=1.3 ( Because mean is ratio it can can be greater than 1 )