quintinlarrieu
29.01.2021 •
Mathematics
SPECIAL POLYNOMIAL PRODUCTS
please write out these expressions in the pattern
1. (m-n)(m+n)
2. (z-3)(z+3)
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Ответ:
= m^2 +mn-nm-n^2
= m^2-n^2
2) (z-3)(z+3)
= z^2+3z-3z-9
= z^2-9
Ответ:
Explanation: To find the amount of people that made additional purchases you convert 72% into a decimal (0.72). you then take this decimal and multiply it by 250 to get an answer of 180