The total surface area of the walls of a room 7m long, 5m...
The total surface area of the walls of a room 7m long, 5m wide and xm high is 96m2. Find the value of x
23
2
4
8
Correct answer is B
T.S.A of the wall =2(7×5+7×x+5×x)=9670+14x+10x=96⇒24x=96−70=26x=2624=1312
What is the value of sin(-690)?...
In an A.P the first term is 2, and the sum of the 1st and the 6th term is 161/2. What is the 4t...
Find the value of m in the diagram...
Solve the equation x2 - 2x - 3 = 0...
If m = 4, n = 9 and r = 16., evaluate mn - 179 + nr...
8, 18, 10,14, 18, 11, 13, 14, 13, 17, 15, 8, 16, and 13 The following are scores obtained by some...