I assume you happen to mean, what is the formula for a circle.
The formula is:
A=
The formula is:
A=
Two cities are 280 miles apart. how far apart are the cities on the map?
2 answers:
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Answer:
Step-by-step explanation:
=
We need a common denominator before we can add.
+
means the same thing as
-
=
Given:
The point is B(2,5) and its image is B'(1,2.5).
To find:
The scale factor.
Solution:
If a figure is dilated by the scale factor k and (0,0) is the center of then the scale factor is defined as
x-coordinate of point B' is 1 and the x-coordinate of point B is 2. So, the scale factor is
Therefore, the scale factor is and the correct option is D.