r-12
substitute in r=7
so 7-12 = -5
Answer:
Step-by-step explanation:
area 1 and 2 should be painted
Answer:
The answer is -20.6
Step-by-step explanation:
-5x-25=78
-5x+25-25=78+25
-5x=103
-5x/-5=103/-5
x=-20.6
Answer:
Step-by-step explanation:
3 coins make for 8 possible outcomes {HHH,HHT,HTH,THH,HTT,THT,TTH,TTT}
4 Possible outcomes conatin 2 or more heads.
Probability (At least 2 Heads) = Favourable outcomes/Total possible outcomes
= 4/8 = 1/2 = 0.5 (50%)