The radius of a circle is given as 5cm subject to an erro...
The radius of a circle is given as 5cm subject to an error of 0.1cm. What is the percentage error in the area of the circle?
125
14
4
25
Correct answer is C
% error in Area = π(5.1)2−π(5)2×100π(5)2
= π26.01−25×100π(25)
= 1.0125 x 100%
= 4.04%
Solve the equation 4/a + 1/5a = 3 ...
The graph of the function y = x2 + 4 and a straight line PQ are drawn to solve the equation x\(...
In the diagram above, the area of triangle ABC is 35cm2, find the value of y...
If P =[x+3x+2x+1x−1] evaluate x if |P| ...
Integrate 1x + cos x with respect to x...
A tap leaks at the rate of 2cm3 per seconds. How long will it take the tap to fill a container ...