makayyafreeman
05.09.2019 •
Mathematics
Astudent writes the sum of 7 times a number n plus 5 to describe the expression7(n+5).explain the error
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Ответ:
7(n + 5)
This should be represented by:
"The sum of a number n plus 5 multiplied by 7."
7n + 5 would be represented by:
"The sum of 7 times a number n plus 5."
Ответ:
127 to the nearest whole number is 130
Step-by-step explanation:
Since 7 is more than 5, we add 1 to the tenth place (2) which becomes 3 and add that to the original number (7) which gets you 10. After that you add 120 to 10 which gets you 130, therefore, the nearest whole number is 127.