Answer:
factorisation
Step-by-step explanation:
8 - 3x - x = 12
8 - 2x = 12
-2x = 12 - 8
-2x = 4
x = -2
Answer:
Z1 is also 105°
Step-by-step explanation:
this is because vertical angles are always equal
Answer:
1/10
Step-by-step explanation:
P heads,even,heads = P heads * P even *P heads =
1/2 * 2/5* 1/2 = 1*2*1/2*5*2= 1/10