Atrick coin is made such that when it is tossed there is a 20% chance of heads landing face up and an 80% chance of tails landing face up. if the coin is tossed twice, what is the probability that the coin will land with heads facing up both times?

P( heads on one toss) = 0.20

P  ( 2 heads)  = 0.20 * 0.20  = 0.04   or 4%

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for

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