What is the axis of symmetry of the function f(x) = –(x + 9)(x – 21)?
the axis of symme...
Mathematics, 08.10.2019 10:30 jaydahh4059
What is the axis of symmetry of the function f(x) = –(x + 9)(x – 21)?
the axis of symmetry is x =
Answers: 3
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Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60
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The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample
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