Answer: She has walked 9/20 miles in total
Step-by-step explanation:
1/5*4=4/20
1/4*5=5/20
4/20+5/20=9/20 miles
Answer:
C.) 3/8 pounds
Step-by-step explanation:
1/4 = 2/8 ( 1/4 x 2/2 )
2/8 + 1/8 = 3/8 pounds
hopefully this helps you :)
pls mark brainlest ;)
thank you and stay safe
You are right on the answer
Answer:
a)
b) SD(x) = 0.9986
Step-by-step explanation:
Given data:
Number of slots 38
slots for red ball 18
slots for black = 18
slots for green 2
outcomes Red Black or Green
Profit 1 -1
P(X) 18/38 20/38
Expected value of wining,

B) Standard deviation of winning SD(x)


SD(x) = 0.9986
Answer:
I think there are 13 atoms present.
Step-by-step explanation:
Please mark brainliest