Answer:
The total number of apples is 17
Step-by-step explanation:
(a)
Number of green apples = 4
P ( that all three apples are green)
= (limit 4 and 3) / (limit 17 and 3)
= 4! / 3!(4−3)!
= 17! / 3!(17−3)!
= 1 / 170
= 0.005
(b)
Number of red apples = 8
P(that all three apple are green)
=(limit 8 and 3) / (limit 17 and 3)
= 8! / 3!(8−3)!
= 17! / 3!(17−3)!
= 7 / 85
= 0.082
Now,
P(that no three apple is red)= 1−0.082 = 0.918
c)
P(of selecting 4 apple that contain at least 2 red apples)
= (limit 8 and 2) /( limit 17 and 2) X (2/15) + (limit 8 and 3) /(limit 17 / 3) X (1/14)
= (7/34) × (2/15) + (7/85) × (1/14)
= 0.027 + 0.058
= 0.085
d)
P(that the second apple selected is yellow given that the first apple is red)
= (limit 5 and 1) / ( limit 16 and 1)
= 5! / 1!(5−1)!
= 16! / 1!(16−1)!
= 5 /16
= 0.3125
126/10 would mean that from the original number, the decimal point is at 126.0 so when it is divided by 10, it will move over one placement, making it 12.6... I would estimate that your answer is C. 12.6
Answer:
not 100% but i think x may be 23.5
Step-by-step explanation:
Answer:
3500 ft
Step-by-step explanation:
We assume you intend the equations to be ...
Then we can solve the second equation for t and use that in the first equation. We can solve the first equation for y=6000.
x = 113t
t = x/113
y(t) = y(x/113) = -16(x/113)² +425(x/113) +8200 = 6000
(16/12769)x² -(425/113)x -2200 = 0 . . . . . . subtract 6000, multiply by -1
Using the quadratic formula, the positive solution is ...
x = ((425/113) +√((-425/113)² -4(16/12769)(-2200))/(2(16/12769))
The fraction in the denominator can be inverted and used as a multiplier. We also use a√b = √(a²b) to simplify the radical.
x = (48025 +√4104275825)/32
x ≈ 3502.8
Rock was thrown about 3500 feet horizontally.
