subject
Mathematics, 01.11.2019 08:31 vargass

Which statement correctly explains how mari could find the solution to the following system of linear equations using
elimination?
{2f-5g=-9
{-7f+3g=4
multiply the first equation by 7 and the second equation by 2, and then add.

multiply the first equation by 3 and the second equation by 5, and then subtract.

multiply the first equation by -7 and the second equation by 2, and then add.

multiply the first equation by -3 and the second equation by -5, and then subtract.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 20.06.2019 18:04
The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=
Answers: 2
question
Mathematics, 21.06.2019 18:20
The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.
Answers: 3
question
Mathematics, 21.06.2019 19:30
Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%
Answers: 2
question
Mathematics, 21.06.2019 20:30
In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal
Answers: 1
You know the right answer?
Which statement correctly explains how mari could find the solution to the following system of linea...
Questions
question
Health, 23.08.2021 17:40
question
Mathematics, 23.08.2021 17:40
question
Mathematics, 23.08.2021 17:40
question
Mathematics, 23.08.2021 17:40