lewismichelle11
09.03.2021 •
Mathematics
If x+3=7.5, calculate the value of x^2+3x−7.
PLEASE HELPPP, im failing this class!
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Ответ:
x+3=7.5
x=7.5-3
x=4.5
x²+3x-7
=4.5²+3(4.5)-7
Ответ:
The diamater is 16, the radius would be 8. However it is a semi-circle so it is 4