One way is ellimination metahto where we add
add them together
x+y=-2
<u>2x-y=5 +
</u>3x+0y=3
3x=3
divide by 3
x=1
subsitute
x+y=-2
1+y=-2
subtract 1
y=-3
answer
x=1
y=-3
answer is in form (x,y) and is (1,-3)
<u />
Answer:
Step-by-step explanation:
( C ). 112°
Answer:
$2800
$69400
Step-by-step explanation:
200*14= 2800
200*347= 69400
Answer:
okay so to figure out a perfect square a number has to be outlined by itself. 8 is not. 4 is because 2 times itself is 4. 81 is because 9 time itself is 81. 44 is not. 49 is because 7 times itself is 49. 125 is not. 150 is not. 144 is because 12 times itself is 144.