30x-12-8x+40
22x-12+40
22x +28
Answer:
A
Step-by-step explanation:
53+44=97
180-97=83
C=83 degrees
b=180-83
b is 97 degree
180 because straight line btw
28+97=125
180-125=55
a=55 degrees
Angles in triangle add up to 180 degree s
Answer: Option E is the correct answer; (1 + p⁴) / (1 + p³)
Step-by-step explanation:
P (3 head) = P(first and 3 heads) + P(second coin and 3 heads)
= (1/2)×1³ + (1/2)× p³ = (1/2) × (1 + p³)
therefore P(first coin given 3 heads) = (1/2)×1³/ ((1/2)×(1 + p³))
= 1 / (1 + p³)
Also P( second coin given 3 heads) = p³ /(1 + p³)
therefore P(4th toss in heads given first 3 are heads) will be;
= P(first and 4th toss heads) + P(second and 4th toss heads)
=(1/( 1 + p³ )) × 1 + p³ / (1+p³) × p
= (1 + p⁴) / (1 + p³)
Therefore Option E is the correct answer
Answer:
486
Step-by-step explanation:
1,985 + 12,000 + x = 14,471
x = 14471 - 12000 - 1985
x = 486
