Answer:
612
Step-by-step explanation:
Since Kelly had already 474 dollars in her checking account and added 138 more, 474+138=612
The maximum error in the calculated area of the rectangle is
The area of a rectangle with length and width is so the differential of <em>A</em> is
so
We know that each error is at most 0.1 cm, we have , . To find the maximum error in the calculated area of the rectangle we take , and , . This gives
Thus the maximum error in the calculated area of the rectangle is
2/5
the denominator is five because it says that there is five equal portions of the spinner. The numerator is too because you are trying to find the odds of getting two colors