Find the area of the rectangle. 36 kilometers (x-3) kilometers
1 answer:
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let's recall that in a Kite the diagonals meet each other at 90° angles, Check the picture below, so we're looking for the equation of a line that's perpendicular to BD and that passes through (-1 , 3).
keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of BD
so we're really looking for the equation of a line whose slope is -1/3 and passes through point A
Answer:
Step-by-step explanation:
We need to find the value of .
C stands for combination.
The formula of combination is as follows :
Here,
n = 19 and r = 1
So,
So, the value of is 19.