The binary operation * is defined on the set of integers ...
The binary operation * is defined on the set of integers such that p * q = pq + p - q. Find 2 * (3 * 4)
11
13
15
22
Correct answer is B
p * q = pq + p - q First execute for 3 * 4 ==> 3(4) + 3 - 4 = 12 + 3 - 4 = 11 Now we execute for 2 * 11 ==> 2(11) + 2 - 11 = 22 + 2 - 11 = 13
Which of the following is not the the size of an exterior angle of a regular polygon? ...
If the value of π is taken to be 227, the area of a semi-circle of diameter 42m i...
The sides of two cubes are in the ratio 2:5. What is the ratio of their volumes? ...
The area of a square field is 110.25m2. Find the cost of fencing it round at N75.00 per metre...
Find the derivative of y = sin(2x3 + 3x - 4) ...
Evaluate 0.36×5.4×0.634.2×9.0×2.4...
In the diagram, KS is a tangent to the circle centre O at R and ∠ROQ = 80°. Find ∠QRS. ...