Answer:
5/16
Step-by-step explanation:
There are a total of 16 different outcomes because 2*2*2*2 = 16.
There are 5 different ways for him to get 3 or more heads:
HHHT
HHTH
HTHH
THHH
HHHH
Therefore the probability is 5/16
Answer:
.45
Step-by-step explanation:
52+31=83
83-12=71
71+23=94
94=49=45
Step-by-step explanation:
2x²-4x=0
2x²=4x
2x=4
x=2
option C
Answer:
14000/100*105 = 14,700
Step-by-step explanation:
Answer:
x = 25
Step-by-step explanation:
Given
0.2(x + 5) + 1 = 7 ( subtract 1 from both sides )
0.2(x + 5) = 6 ( divide both sides by 0.2 )
x + 5 = 30 ( subtract 5 from both sides )
x = 25
