In your notebook, set up the following addition using a vertical format and find the sum of the given polynomials.
2 answers:
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Answer:
See explanation
Step-by-step explanation:
If the mystery number rounds to 700, then it has 3 digits before decimal points and two digits after decimal point.
Hence, the mystery number is
The digit in the tenth place is double the digit in the tens place, so
If b = 1, then d = 2
If b = 2, then d = 4
If b = 3, then d = 6
If b = 4, then d = 8
The difference between the digit in the hundreds place and the ones place is 3, so
The first digit can be only 7, because b < 5 and the number rounds to 700. So
If a = 7, then c = 4
All possible answers:
714.2e
724.4e
734.6e
744.8e,
where e is an arbitrary digit from 0 to 9.
There are 40 possible numbers which match the situation.
We will use the Pythagorean theorem to determine the height:
Finally: 
Answer Ladder will reach the height of 14.59 feet ( to the nearest hundredths).
Answer Ladder will reach the height of 14.59 feet ( to the nearest hundredths).