Liz has 2 blue, 1 red and 1 white dress(es) and 3 pairs of shoes colored blue, red and white. If she decides at random what to w
2 answers:
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Answer:
Option (C)
Step-by-step explanation:
If AD is the altitude to BC, both the segments AD and BC will be perpendicular to each other.
By the property of perpendicular lines,
where is the slope of the line AD and
is the slope of BC.
Now from the given property,
Therefore, slope of altitude BC =
Option (C) will be the answer.
<h2>Answer with explanation:</h2>
As per given , we have
Sample size : n= 5
Degree pf freedom = : df= 5-1=4
Significance level for 90% confidence =
Using t-value table , t-critical value for 90% confidence:
Margin of error of :
Interpretation : The repair cost will be within $12.39 of the real population mean value 90% of the time.
Answer:
Step-by-step explanation:
m =
y - = m( x -
)
y = mx + b
~~~~~~~~~~~
(4, 5)
( - 6, 15)
m = (15 - 5) / ( - 6 - 4 ) = - 1
y - 5 = ( - 1)( x - 4 )
y =<em> (- 1) </em>x + <em>9</em>