If d - 10. r HELP PLZZZZ I Hsave to submit soonnnnnn
1 answer:
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Answer:
Step-by-step explanation:
The formula for the circumference of a circle with the diameter is:
Since the diameter is 3m, solve for :
Answer:
The step 4 is not what he should have done. But the wrong is step 5, because if he added -2x both sides, it would give the following equation:
and not
Note that in step 4 he should have added 2x and not -2x to both sides, but we still have the equality. The problem is that step 5 is totally wrong.
I don't know what answer is expected to this question, but I would mark step 5, because this is mathematically wrong.
Solving the equation
Using distribution
Add both sides
Add 12 both sides
Divide both sides by 5