Answer:
x=18-2/5y
y=-5/2x+45
Step-by-step explanation:
5x+2y=90
Nosotros queremos resolver para x o y
5x=90-2y
x=18-2/5y
o
2y=90-5x
y=-5/2x+45
Answer:
Step-by-step explanation:
1) Perfect squares:
a²+14a+49 = (a+7)²
a²+26a+169 =(a+13)²
2) Differences of squares
a²-36 = (a-6)(a+6)
w²-121 = (w-11)(ww+11)
TY for the 10 points answer is g 1 f 4 h 10
Answer:
true because it have no common solution