Find the value of x.
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Answers: 3
Mathematics, 21.06.2019 21:40
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?
Answers: 2
Mathematics, 21.06.2019 22:30
Which of the following represents the factorization of the trinomial below? x^2+7x-30
Answers: 1
Mathematics, 21.06.2019 23:00
I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )
Answers: 1
Mathematics, 22.06.2019 00:30
Me i’m stuck on all these questions besides the two bottom ones
Answers: 2
Mathematics, 08.01.2021 22:30
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Mathematics, 08.01.2021 22:40
Mathematics, 08.01.2021 22:40
Mathematics, 08.01.2021 22:40