Answer:
12.57cm
Step-by-step explanation:
circumference =2^r
=2×22/7×2
=12.57cm
Answer:
rectangle, 5,4
Step-by-step explanation:
i just did the assignment and got it right
Answer:
X = -3. non-extraneous
Step-by-step explanation:
The given equation is 
We cross multiply to get:

Expand and multiply.


We factor to obtain:


Checking for extraneous solutions
Substitute x=-3 


.....Non-extraneous
Checking for x=6


....Non-extraneous
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