Mathematics, 10.01.2020 09:31 jay0626
Ascientist has two solutions which she has labeled solution a and b. each has salt. she knows that solution a is 20% and solution b is 90% salt. she wants to obtain a mixture that is 35% salt and is 70 ounces. how many ounces of each solution should she use.
Answers: 3
Mathematics, 21.06.2019 13:30
Find two rational expressions that have the difference of 2-n/n-4
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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, 22.06.2019 01:30
A0.40 kg soccer ball is kicked so that its incoming velocity of 5 m/s is changed to an outgoing velocity of -25 m/s. what impulse does the player apply to the ball?
Answers: 3
Ascientist has two solutions which she has labeled solution a and b. each has salt. she knows that s...
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