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hurtadocrv
18.02.2021 •
Mathematics
How do you calculate the midpoint of question e)? I am very desperate. please help
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Ответ:
(-1,-1)
Step-by-step explanation:
Midpoint equation:![(\frac{x_2+x_1}{2}, \frac{y_2+y_1}{2})](/tpl/images/1126/7443/232f8.png)
=![(\frac{-5/2+1/2}{2},\frac{-1/2-3/2}{2} )](/tpl/images/1126/7443/69738.png)
=![(\frac{-2}{2},\frac{-2}{2})](/tpl/images/1126/7443/91316.png)
=(-1,-1)
Use the formula and plug it in :)
Ответ:
44.75
Step-by-step explanation:
5.5 + (- 2.75) - 7(18 ÷ - 3)
5.5 - 2.75 - 7(- 6)
5.5 - 2.75 + 42
2.75 + 42
44.75