Answer:
(0,0) or Infinitely many solutions.
Step-by-step explanation:
-−4x−4y=0
−4x−4y+4y=0+4y(Add 4y to both sides)
−4x=4y
−4x/-4= 4y/-4
(Divide both sides by -4)
x=−y
4x+4y=0
4(−y)+4y=0
0=0
Answer:
220
Step-by-step explanation:
40 x 8 = 320, and 10 squared is 100. 320 - 100 = 220.
Answer:
86 degrees
Step-by-step explanation:
180 - (74 + 20) = 86
Answer:
(5x-4y)=19
5×19-4×19
95-76
19
Step-by-step explanation:
x+2y=8
x=8-2
x=6
She has a total of 170 cubes
170/10=17 trains
