Mathematics, 12.03.2020 17:25 genyjoannerubiera
Examine this system of equations. Which is an equivalent form of the first equation that when added to the second equation eliminates the x terms?
4/5x - 3/5 y = 18
8x + 3y = 9
A. –8x + 6y = –180
B. 8x – 6y = 180
C. –8x + 3y = –90
D. 8x – 3y = 90
plz help, i really need help! i will give brainliest!
Answers: 1
Mathematics, 21.06.2019 16:20
Ivan began dividing g2 – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below.what is g2 – 6 divided by g + 1? g – 1 – g + 1 – g – 7 + g – 5 +
Answers: 3
Mathematics, 21.06.2019 16:30
Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?
Answers: 3
Mathematics, 21.06.2019 18:20
17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.
Answers: 2
Examine this system of equations. Which is an equivalent form of the first equation that when added...
History, 26.09.2019 23:00
Mathematics, 26.09.2019 23:00
Mathematics, 26.09.2019 23:00
Mathematics, 26.09.2019 23:00
Mathematics, 26.09.2019 23:00
Computers and Technology, 26.09.2019 23:00
Social Studies, 26.09.2019 23:00
Mathematics, 26.09.2019 23:00
History, 26.09.2019 23:00
Mathematics, 26.09.2019 23:00
Health, 26.09.2019 23:00