destyneedonnea
07.07.2019 •
Mathematics
The center of circle q has coordinates (3,-2) of circle q passes through r(7,1) what is the length of its diameter? (geometry)
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Ответ:
the distance between the center and any point on the circle is radius. double that and you get the diameter since diameter is doubled radius.
by distane formula, the radius is
sqrt( (x2-x1)^2 + (y2-y1)^2 ) = sqrt( (3-7)^2 + (-2 -1)^2) = sqrt(25) = 5
the diamter is 10
Ответ:
Then, we subtract that amount from $300.
24% of $300 =
= 24% * $300
= 0.24 * $300
= $72
The discount is $72.
$300 - $72 = $228
The sale price is $228.