Mathematics, 24.07.2019 19:00 ghernadez
50 gallons of 70% acid solution are obtained by mixing and 80% solution with a 50% solution. how many gallons of each solution must be used to obtain the desired mixture?
Answers: 1
Mathematics, 21.06.2019 17:00
The table below shows the height of a ball x seconds after being kicked. what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x) = x2 + x + 0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds? feet
Answers: 2
Mathematics, 21.06.2019 17:30
What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0
Answers: 3
Mathematics, 21.06.2019 17:30
Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?
Answers: 3
50 gallons of 70% acid solution are obtained by mixing and 80% solution with a 50% solution. how man...
Chemistry, 27.07.2021 20:00
Mathematics, 27.07.2021 20:00
Physics, 27.07.2021 20:00
Business, 27.07.2021 20:10