nayelycuencax
06.07.2021 •
Mathematics
Urgent !!
Demontrer que le triangle PAS est rectangle (piece jointe)
Merci !
Solved
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Ответ:
An expression for the combined total dollar amount he earned this month is $(7x + 14y) where x + y = 103.
Explanation:
Let the no. of hours worked as tutor be x
Earning as tutor in 1 hour = $7
Earning as tutor in x hour = $7*x = $7x
Let the no. of hours worked as waiter be y
Earning as waiter in 1 hour = $14
Earning as waiter in y hour = $14*y = $14y
Given that total hours worked in the month = 103 hours
therefore, x + y = 103 > (1)
Step-by-step explanation: