xojade
07.01.2020 •
Mathematics
The high tide at midnight was 5.4 feet.the tide went down 3.2 feet at 7am,went up 0.6 feet at 1 pm,and went down 1.1 feet at 8 pm. what was the height of the low tide at 8 pm ?
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Ответ:
1.7 feet
Step-by-step explanation:
THe initial height was 5.4 feet
It went down by 3.2 feet, so the new height at 7 AM is:
5.4 - 3.2 = 2.2 feet (at 7AM)
Then, it went up by 0.6 feet at 1PM, so new height is:
2.2 + 0.6 = 2.8 feet (at 1PM)
THen again went down by 1.1 feet, so new height:
2.8 - 1.1 = 1.7 feet (at 8PM)
Hence, the height of the low tide at 8 PM was 1.7 feet
Ответ:
The answer is 15.21 yards