To understand the function better, let's convert it from polar coordinates to cartesian coordinates. The relation between those coordinates are
Our function is
If we multiply both sides by r, we have
The square of the radius is equal to the sum of the squares of the cartesian coordinates
Using this identity, we can rewrite our function as
Completing the square, we can rewrite our function as
This is a equation of a circle.
Answer:
Step-by-step explanation:
1) 165
2) 108
3)24
4) 75
5)2
6)7
Expanded form is the form of writing numbers in addition. Example: 653 would be 600+50+3 in expanded form. .37 using powers would be 37×10^-2 .
In expanded form, we just need to expand the 37 because it is the only one with 2 different places without a 0 in either one.
Answer: 30+7×10^-2 would be the expanded form of .37 using powers of 10.
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