<h2>
Therefore x=2 and y= 1</h2>
Step-by-step explanation:
Given equations are
and 
.........(2)
⇒
.......(1)
Equation (2)× 3 - Equation (1)
⇔
⇔-10y = -10
⇔y=1
Putting the value of y in equation (1) we get
⇔x =2
Therefore x=2 and y= 1
9514 1404 393
Answer:
10
Step-by-step explanation:
For c correct answers and 5 incorrect answers, James's score is ...
4c -2(5) = 30
4c = 40 . . . . . . add 10
c = 10 . . . . . . . . divide by 4
James gave 10 correct answers.
Answer:
12) 26x^2+22x+25
13) -15x^2-21x-11
14) x^2+32x+18
15) 9x^6+10x^5-15x^4+14
Step-by-step explanation:
Answer:
$7.27
Step-by-step explanation:
3.18 + 1.25 + 2.84 = 7.27
