subject
Mathematics, 20.02.2021 01:00 Enaszr9657

Answer two questions about Systems AAA and BBB: System AAA \text{\quad}start text, end text System BBB
\begin{cases}-4x-6y=93x+y=-4\end{ca ses}
⎩
βŽͺ
βŽͺ
⎨
βŽͺ
βŽͺ
⎧
​

βˆ’4xβˆ’6y=9
3x+y=βˆ’4
​
\begin{cases}-4x-6y=9-x-5y=5\end{ca ses}
⎩
βŽͺ
βŽͺ
⎨
βŽͺ
βŽͺ
⎧
​

βˆ’4xβˆ’6y=9
βˆ’xβˆ’5y=5
​

1) How can we get System BBB from System AAA?
Choose 1
Choose 1

(Choice A)
A
Replace only the right-hand side of one equation with the sum/difference of the right-hand sides of both equations

(Choice B)
B
Replace one equation with the sum/difference of both equations

(Choice C)
C
Swap only the left-hand sides of both equations

(Choice D)
D
Swap the order of the equations
2) Based on the previous answer, are the systems equivalent? In other words, do they have the same solution?
Choose 1
Choose 1

(Choice A)
A
Yes

(Choice B)
B
No
khan academy

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:30
Drag and drop the answers into the boxes to complete this informal argument explaining how to derive the formula for the volume of a cone. since the volume of a cone is part of the volume of a cylinder with the same base and height, find the volume of a cylinder first. the base of a cylinder is a circle. the area of the base of a cylinder is , where r represents the radius. the volume of a cylinder can be described as slices of the base stacked upon each other. so, the volume of the cylinder can be found by multiplying the area of the circle by the height h of the cylinder. the volume of a cone is of the volume of a cylinder. therefore, the formula for the volume of a cone is 1/3 1/2 1/3Ο€r^2h 1/2Ο€r^2h Ο€r^2h Ο€r^2
Answers: 3
question
Mathematics, 21.06.2019 15:00
An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?
Answers: 1
question
Mathematics, 21.06.2019 19:30
Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !
Answers: 1
question
Mathematics, 21.06.2019 20:00
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
Answers: 3
You know the right answer?
Answer two questions about Systems AAA and BBB: System AAA \text{\quad}start text, end text System...
Questions
Questions on the website: 13722367