Mathematics, 21.10.2020 14:01 marioh620
The roots of a quadratic equation are 6 and -3. Which of the following quadratic equations has these roots?
A. x ² − 3 − 18 = 0
B. x ² + 3 + 18 = 0
C. x ² − 3 + 18 = 0
D. x² + 3 − 18 = 0
Answers: 2
Mathematics, 21.06.2019 19:00
Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m
Answers: 1
Mathematics, 21.06.2019 19:30
Need now max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 1
Mathematics, 21.06.2019 22:00
Percent increase and decrease. original number: 45 new number: 18
Answers: 1
Mathematics, 22.06.2019 01:00
What is the y-intercept of the line with the equation 3x + 4y = 12?
Answers: 1
The roots of a quadratic equation are 6 and -3. Which of the following quadratic equations has these...
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