1. A line passes through the points (3, 15) and (9, 45). What is the slope of this line?
1 answer:
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Answer:
x = 0
y= -3
Step-by-step explanation:
x = y + 3 into the equation y = -4x - 3, so
y = -4(y+3) - 3
y = -4y - 12 - 3
y = -4y - 15
5y = -15
y = -3
Then, you can substitute this into the equation x = y + 3
Answer:
And for this case that represent the 5.6% of the homeless persons who are veterans
Step-by-step explanation:
We know that in a survey of 250 homeless persons 14 were veterans. We can find the estimated proportion of homeless persons who are veterans with the following formula:
The last one is an unbiased estimator of the true population proportion p
And replacing the info given we got:
And for this case that represent the 5.6% of the homeless persons who are veterans