Mathematics, 27.06.2019 22:30 cecem58

the solution to the system of equation below is (−2, −1).
2x − 3y = −1
11x − 9y = −13
when the first equation is multiplied by −3, the sum of the two equations is equivalent to 5x = −10.
which system of equations will also have a solution of (−2, −1)?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:30

Consider the integral: 4 0 16 − y2 − 16 − y2 4 1 x2 + y2 dz dx dy . (a) describe w. use the standard view of the x, y, and z axes. front half of a cone with a rounded top. full cone with a flat top. right half of a cone with a flat top. front half of a cone with a flat top. right half of a cone with a rounded top.

Answers: 1

Answer

Mathematics, 21.06.2019 17:30

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

Answers: 1

Answer

Mathematics, 21.06.2019 18:40

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Answers: 3

Answer

Mathematics, 22.06.2019 01:50

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.

Answers: 2

Answer

You know the right answer?

the solution to the system of equation below is (−2, −1).
2x − 3y = −1
11x − 9y = −13

Questions

Mathematics, 18.09.2020 16:01

9/25 as a decimal and as a Percent...

Mathematics, 18.09.2020 16:01

What is 5/18 as a decimal...

Mathematics, 18.09.2020 16:01

What is 118 ➗ by 12 show work...

Mathematics, 18.09.2020 16:01