Note that the chances of a head and a tail appear in a single toss is 1/2
(1/2)^3 =0.125
Answer:
3:55
Step-by-step explanation:
Add 5+25+30+1hour+15 minutes=2:15
subtract that from 6:10=
3:55
Answer:
x=4
y=3
Step-by-step explanation:
we have the following equations
3x+y=15 equation 1
5x-4y=8 equation 2
using equation 1 we have:
y=15-3x equation 3
using equation 3 in equation 2 we have:
5x-4(15-3x)=8
5x-4*15+4*3x =8
5x-60+12x = 8
17x=68
x=68/17
so we have x=4
finally in equation 3:
y = 15-3(4)
y = 15-12
y = 3
Answer:
Step-by-step explanation:
Already, we are given 12% of our sample size as 24.
To find the sample size, we equate to find 100%.
Let sample size be denoted by 
Hence, the sample has 200 families.
First use PEMDAS so 26x2=52
52-3=49
4+49=53
53x4
