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1 answer:
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Given:
A line passes through (-5,-3) and perpendicular to .
To find:
The equation of the line.
Solution:
We have,
On comparing this equation with slope intercept form, i.e., , we get
It means, slope of this line is .
Product of slopes of two perpendicular lines is always -1.
Slope of required line is and it passes through the point (-5,-3). So, the equation of the line is
where, m is slope.
Therefore, the equation of required line is .
Answer:
$64
Step-by-step explanation:
After using a 25% discount coupon, they paid 48 for the video game.
It means, <em>which number, decreased by 25%, would give us 48?</em>
<em />
First, 25% to decimal is:
25/100 = 0.25
Now, if we let the original price be "x", we can say:
x decreased by 0.25 of x would give us 48
Translating this to algebraic equation gives us:
x - 0.25x = 48
Now, we solve this:
If they paid full price, the video game would cost $64