Needs solved now !
which is equivalent to (negative 2 m + 5 n) squared, and what type of speci...
Mathematics, 01.10.2019 17:00 Sydney012618
Needs solved now !
which is equivalent to (negative 2 m + 5 n) squared, and what type of special product is it? 4 m squared + 25 n squared; a perfect square trinomial 4 m squared + 25 n squared; the difference of squares 4 m squared minus 20 m n + 25 n squared; a perfect square trinomial 4 m squared minus 20 m n + 25 n squared; the difference of squares
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The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
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