Answer:
(-2, 5)
Step-by-step explanation:
we subtract 6x+3y=3 by 2x+3y=11 to get 4x=-8.
we divide both sides by 4 to get x. x=-2
We subsitute -2 for the second equation to get:
2(-2)+3y=11
=-4+3y=11
=3y=15
y=5
20% of the regular price was off.
So 80% of the regular price stayed on.
$33.96 was that 80% of the regular price.
(0.8) · (regular price) = $33.96
Divide both sides by (0.8).
Regular price = ($33.96) / (0.8)
<em>Regular price = $42.45</em>
Answer:
To find the measure of an interior angle of a regular polygon, take the sum of all interior angles and divide by the number of angles. The sum of all interior angles can be found by (n - 2)*180 where n is the number of sides, in this case 24. So all the interior angles add to 3960 degrees.
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