Heather has a weighted coin that has a 60
%
60%60, percent chance of landing on heads each time it is flipped. She is going to flip the coin
5
55 times.
Which of the following would find the probability of Heather getting exactly
3
33 heads in
5
55 flips of her weighted coin?

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step-by-step explanation:

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

slope is 35 and 20 miles is the y-intercept.

step-by-step explanation: