Step-by-step explanation:
a. 4/7t =56
4t= 392
t=98
b. 4=1/2 b -12
4+12=1/2 b
16=1/2 b
so, b =32
Answer:
Length: 11
Width: 2
Step-by-step explanation:
If length is x then width is x-9
That means:
26 = x+x+x-9+x-9 = 4x-18 which means:
44=4x x=11
Length=x = 11
Width = x-9 = 11-9 = 2
Answer:
2
Step-by-step explanation:
hope this helps!
Answer:
the number of students who do not delve in any of the 2 areas is 220
Step-by-step explanation:
The computation of the number of students who do not delve in any of the 2 areas is shown below:
= Total students - maths students - english students - both subject students
= 900 - 350 - 220 - 110
= 220
Hence, the number of students who do not delve in any of the 2 areas is 220
<span>Total sample space = 20C2 = 190
The number of ways of selecting 2 balls of same color from a suit of 15 red balls
15C2 = 105
The number of ways of selecting 2 balls of same color from a suit of 5 blue balls
5C2 = 10
Thus the probability that the person picks 2 balls of same color = [105/190 + 10/190]
= 115/190 = 23/38</span>
