-2x+y=5
x-3y=-30 so you can multiply the bottom equation by 2 you'll get 2x-6y=-60
-2x+y=5
2x-6y=-60 And subtract the equations. You'll get -5y=-55 y=11. Plug it in to one of the original equations. -2x+(11)=5
-2x=-6 so x=3
y=11 and x=3
Person above is correct:)
Answer:
294cm²
Step-by-step explanation:
You didn’t convert from meters to centimeters.
It was 2.94m².
That equals 294cm².
A mean is an arithmetic average of a set of observations. The amount that Jack has to earn in tips on Sunday if he wants to average $19 a day is $25.
<h3>What is Mean?</h3>
A mean is an arithmetic average of a set of observations. it is given by the formula,
As it is given that Jack makes $12 on Monday, $14 on Tuesday, $18 on Wednesday, $16 on Thursday, $26 on Friday and $22 on Saturday. And we need to know how much he should earn on Sunday, so the average is $19. Therefore, we can write,
Hence, the amount that Jack has to earn in tips on Sunday if he wants to average $19 a day is $25.
Learn more about Mean:
brainly.com/question/16967035
Answer:
i think the area is 21 srry if im wrong
Step-by-step explanation: