Answer:
C
Step-by-step explanation:
given 7 - 4(x - 1) = 20 ( Step 1 is to distribute the parenthesis )
7 - 4x + 4 = 20 ( not 7 - 4x + 1 = 20 ← - 1 is multiplied by - 4 )
Step 1 ← is incorrect → C
Answer:
X > (whatever the symbol is) 0
Step-by-step explanation:
kinda like algebra:
x + 2 > 2
X > 0
Answer:
0.91.
Step-by-step explanation:
We use the formula:
P(a U b) = p(a) + p(b) - p (a ∩ b) where P(a U b) is p(a or b) and p (a ∩ b) is p (a and b).
So p(a or b) = 0.78 + 0.66 - 0.53
= 0.91.
Answer:
1/27 is the answer
Step-by-step explanation:
It is 1/(3^3) which is 1/27