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adantrujillo1234
01.04.2021 •
Mathematics
Find the area of the polygon.
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Ответ:
72
Step-by-step explanation: 6*2=12 6*10=60 Normally you would divide by 2 to get triangles but since there are two of each, you don't.
Ответ:
Step-by-step explanation:
Given
The attached function (graph)
Required
Find a
The given function is quadratic and will be solved using:
From the attachment:
Substitute these values in![y = ax^2 + bx + c](/tpl/images/1130/2669/7e19b.png)
For:![(x,y) = (-3,4)](/tpl/images/1130/2669/f6fc3.png)
For:![(x,y) = (-2,2)](/tpl/images/1130/2669/cde7b.png)
For:![(x,y) = (-4,2)](/tpl/images/1130/2669/86f6e.png)
So, we have:
Make c the subject in (1)
Substitute
in (2) and (3)
Collect Like Terms
Collect Like Terms
Add 4 and 5
--------------------------
Divide through by 2