I think the answer is 3w over z to the power of 5
The probability that Boris will win the contest is:
P = 0.286
<h3>
How to get the probability?</h3>
For some given odds a:b, the probability is just computed as the quotient between a and b, which gives:
P = a/b
In this case, the odds are 2:7, so the probability that Boris will win the contest is:
P = 2/7 = 0.286
Written in percentage form, we get:
P = 28.6%
If you want to learn more about probability:
brainly.com/question/24756209
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5.25, -16.75
I think it’s wrong
-2x - 4y = 1
<u>12y</u> = <u>-6x - 3</u>
12 12
y = -0.5x - 0.25
-2x - 4(-0.5x - 0.25) = 1
-2x + 2x + 1 = 1
0x + 1 = 1
<u> - 1 - 1</u>
<u>0x</u> = <u>0</u>
0 0
x = 0
-2(0) - 4y = 1
0 - 4y = 1
<u>-4y</u> = <u>1</u>
-4 -4
y = -0.25
(x, y) = (0,-0.25)
