Answer:
x= -1
y=2
Step-by-step explanation:
6x+5y=4
6x-7y=-20
Subtract
Answer:
-3/2
Step-by-step explanation:
Given two points, we can find the slope by
m = (y2-y1)/(x2-x1)
= (-7 - -1)/ (5-1)
= (-7+1)/(5-1)
= -6/4
= -3/2
The probability of 3 successes is 0.0384
<h3>How to determine the probability?</h3>
The given parameters are:
- Trials, n = 4
- Probability of success, p = 0.4
The binomial probability is represented as:

So, the probability of three successes is:

Evaluate the factors in the expression

Evaluate the combination expression
P(3) = 1 * 0.0384
Evaluate the product
P(3) = 0.0384
Hence, the probability of 3 successes is 0.0384
Read more about probability at:
brainly.com/question/25870256
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Answer:
-6 33/40
Step-by-step explanation:
