I attached a problem i have to write the equation in standard form using integers
1 answer:
9514 1404 393
Answer:
7x +9y = -1
Step-by-step explanation:
The standard form of the equation for a line is ...
ax +by = c
where a, b, c are mutually prime integers and a > 0.
We can get this form by multiplying the equation by 9, adding 7x+27.
y - 3 = -7/9(x +4)
9y -27 = -7x -28 . . . . . multiply by 9, eliminate parentheses
7x +9y = -1 . . . . . . . . . add 7x+27 to both sides
_____
The attached graph shows both equations. They are in different colors and textures so you can see they are the same line.
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Answer:
0.688 or 68.8%
Step-by-step explanation:
Percentage of high school dropouts = P(D) = 9.3% = 0.093
Percentage of high school dropouts who are white = = 6.4% = 0.064
We need to find the probability that a randomly selected dropout is white, given that he or she is 16 to 17 years old. This is conditional probability which can be expressed as: P(W | D)
Using the formula of conditional probability, we ca write:
Using the values, we get:
P( W | D) =
Therefore, the probability that a randomly selected dropout is white, given that he or she is 16 to 17 years old is 0.688 or 68.8%