Mathematics, 22.07.2019 17:30 Ladyt916
Which statement correctly explains how dana can solve the following system of linear equations for x using the elimination method? 4x+8y=20 -4x+2y= -30 add the two equations, solve for y, and then substitute –1 for y to find x. multiply the bottom equation by –4, solve for y, and then substitute –1 for y to find x. multiply the bottom equation by –1, combine the two equations, solve for y, and then substitute 1 for y to find x. multiply the two equations, solve for y, and then substitute 1 for y to find x.
Answers: 1
Mathematics, 21.06.2019 18:30
Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?
Answers: 1
Mathematics, 21.06.2019 21:00
The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry
Answers: 2
Which statement correctly explains how dana can solve the following system of linear equations for x...
English, 13.06.2020 18:57
Mathematics, 13.06.2020 18:57
Mathematics, 13.06.2020 18:57
Mathematics, 13.06.2020 18:57
Mathematics, 13.06.2020 18:57
Mathematics, 13.06.2020 18:57