Help please? Anyone

Mathematics

1 answer:

Kisachek [45]3 years ago

4 0

The answer is D.
First, the equation to find the perpendicular line to a given line is $m_{2} = \frac{-1}{m_{1}}$ , where $m_{2}$ is the m value of the equation of the second line and $m_{1}$ is the m value of the equation of the first line.
Using this, we can find the slope of the equation of the perpendicular line:
$m_{2}$ = -1/(1/4)= -4
So now our options are slimmed down to C and D. We can tell which equation is correct by substituting the given coordinates
C: -6+2≠-4(-2+6), so this option is eliminated
D: -6+6=-4(-2+2), so this is our answer as both sides equal 0

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Find the complete table in attached file.

Step-by-step explanation:

Find the Incomplete table in attached file

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A car travels 55 miles per hour for 2 hours.

So the speed of the car 55 miles per hour is constant for 2 hours.

Using speed formula.

$Speed=\frac{distance}{time}$

Second row.

From the second row of the table $time = \frac{1}{2}=0.5\ sec$ and speed is constant $speed = 55\ mi/hr$ , so we need to find only distance.

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Third row.

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