Mathematics, 16.03.2020 16:59 paolaviviana
What did they do wrong in this equation?
Look at the work for the following function. What mistake did they make when using the quadratic formula to find the solutions? What are the real solutions to the function?
f(x)=x2β9x+20
Step 1: 9Β±β92β4(1)(20)β2(1)
Step 2: 9Β±β81β80β2
Step 3: 9Β±β161β2
Step 4: There are no real solutions.
Answers: 3
Mathematics, 21.06.2019 13:30
Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.
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 maxβs data must be true? a) the median of maxβs 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 19:30
Aline passes through 3,7 and 6,9 what equation represents the line
Answers: 2
Mathematics, 21.06.2019 23:20
Which expression is a factor of 12x2 + 29x β 8? x β 8 2x β 1 3x + 8 4x + 1
Answers: 1
What did they do wrong in this equation?
Look at the work for the following function. Wh...
Look at the work for the following function. Wh...
English, 29.08.2020 20:01
Mathematics, 29.08.2020 20:01
Mathematics, 29.08.2020 20:01
Mathematics, 29.08.2020 20:01
Computers and Technology, 29.08.2020 20:01
Business, 29.08.2020 20:01
History, 29.08.2020 20:01
History, 29.08.2020 20:01
History, 29.08.2020 20:01