Answer:
y=6/5x+13
Step-by-step explanation:
6y=-5x+16
Divide by 6
y=-5/6x + 8/3
Slope: 6/5 (opposite reciprocal)
7=-5(6/5)+b
7=-6+b
b=13
Answer = €18.93
€4 x £14.20= 56.80
56.80 / 3 = €18.93
Hope it helped you :)
Answer:
Step-by-step explanation:
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Total Number of socks = 4 pairs= 8 socks
Number of red socks = 4
Number of black socks = 4
Probability of pulling a red sock from the bag the first time =

Since the sock is placed back in the bag before pulling a sock again, the number of socks remains the same.
So,
Probability of pulling a red sock from the bag the second time =

And
Probability of pulling a red sock from the bag the third time =
Therefore, the probability of pulling a red sock 3 times from the bag =
Commutative - addition.
You're switching a and b to get the same answer. It works with Multiplication too, as you can tell!