williedenmark42
03.12.2020 •
Mathematics
Find the dimensions of a rectangular field of maximum area that can be enclosed with 240 m of fencing if no fencing is needed on one side of the field.
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Ответ:
39
Step-by-step explanation:
I'm assuming x is supposed to be a multiplication sign.
You need to use PEMDAS for this:
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
(9x2+3x-5)-(3x2+4x-10)=
(18-15)-(6-40)=
3-(-36)=
3+36=
39