What's the circumference of a circle with a diameter of 9 inches? Use 3.14 for pi.
2 answers:
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This is what is in the middle of the second paragraph. That statement is correct.
I don't know that it is any simpler or not, but what they have done in the answer is rationalize the denominator. That means that the denominator is no longer under the square root sign.
To get that result, you multiply numerator and denominator by √F
When you do that, your get
This results in the middle answer.
Hello!
First we will get the variable in the correct side.
add 4c to 7c.
Second thing you will do is subtract 12 from 78
Now, divide 66 by 11 and you'll be left with c=6
First we will get the variable in the correct side.
add 4c to 7c.
Second thing you will do is subtract 12 from 78
Now, divide 66 by 11 and you'll be left with c=6