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imhacking2048
12.05.2021 •
Mathematics
When would someone need a calculate area
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Ответ:
When measuring land size
Step-by-step explanation:
Ответ:
Step-by-step explanation:
Question-1:by order pair we obtain:
cancel 2p from the i equation to get a certain value of p:
now substitute the value of p to the second equation:
simplify parentheses:
cancel 1 from both sides:
divide both sides by 2:
![\displaystyle \begin{cases} \displaystyle p = - 1 \\q = 0\end{cases}](/tpl/images/1366/6590/ea248.png)
question-2:by order pair we obtain:
cancel out y from the second equation:
substitute the value of x to the first equation:
simplify:
divide both sides by 3:
substitute the value of y to the second equation which yields:
![\displaystyle \begin{cases} \displaystyle y= 1 \\ x = 2 \end{cases}](/tpl/images/1366/6590/18fbc.png)
Question-3:by order pair we obtain;
rearrange:
subtract and simplify
substitute the value of q to the first equation:
make q the subject of the equation:
hence,