athenawalcroff
15.12.2020 •
Chemistry
What is the role of energy in doing this activity?
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Ответ:
Explanation:
The formula for a trapezoid is .
So once we put in the given data from the image, that gives us .
First, add the numerators.
16.5+6.5= 23
Now, divide the fraction.
23/2= 11.5
Finally, multiply.
11.5×7= 80.5