(3,20) with a slope of 4
1 answer:
Answer:
y = 4x + 8
Step-by-step explanation:
The slope intercept form for an equation is y=mx+b, where m is the slope and b is the y-intercept (the value of y when x = 0).
m, the slope, is 4
y = 4x + b
We need a value of b that will force the line through point (3,20). Enter that point in the above equation and solve for b:
y = 4x + b
20 = 4*(3) + b for (3,20)
20 = 12 + b
b = 8
The equation becomes <u>y = 4x + 8</u>
See attachment.
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Answer:
B.) P(A/B) = P(A)
Step-by-step explanation:
If two events, A and B are independent:
We have that:
Conditional Probability
We use the conditional probability formula to solve this question. It is
In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
Since they are independent:
Then
So
, or either:
, and thus, the correct answer is given by option B.