Answer:
a) 2048
b)164
c)54
d) 11
Step-by-step explanation:
a) A coin has two faces.
Outcome possible =2^11= 2048
b) 8 heads possible outcome = 11!/8!3! = 3971688/241/920= 164 ways
c)2 heads outcome= 11!/2!8!= 39716800/725760=54
d) 7 heads= 11!/7!6! =39716800/3628800 = 11
The answer is 3.75 or 3 3/4
Angles in a triangle add up to 180 therefore:
Angle CAB = 180 - 60 - 50 = 70
Angles on a straight line add up to 180 therefore the missing angle is:
180 -70 = 110
Answer is D
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Lets take any two points on the line . I took (-2,-2) and (0,-3)
slope is rise/run = -3-(-2)/ 0-(-2) = -3+2/2= -1/2
answer is -1/2
