Answer:
11
Step-by-step explanation:
if the average of 6 number is 6, then the sum of those 6 numbers = 6 x 6 = 36
Therefore, the 6th number is: 36 - 25 = 11
Answer:
<h2>Island A, B and C has 10, 5 and 7 houses respectively.</h2>
Step-by-step explanation:
Let, the three islands A, B and C has a, b and c houses respectively.
According to the question, a + b = 15; a + c = 17; b + c = 12; a + b + c = 22.
Adding [ a + b = 15; a + c = 17]-these two, we get, 
.
Now, 
.
.
Figure on top is 8 times 9 (to find volume)
the figure on top has a volume of 72 cm<span>^3
the volume of the lower figure:
3 times 9 times 5 = 135 cm</span><span>^3
72+135=207 cm</span><span>^3
the volume of both figures is 207 cm</span><span>^3</span>
Answer:
13 inches
Step-by-step explanation:
the volume of a prism is (L)(w)(h)
height=2
width=4
length=?
2(4)(x)=104
8x=104
x=13 inches.
