Advertisements
Advertisements
Question
If x = 5 and y = 4, evaluate:
3y2
Sum
Advertisements
Solution
3y2
= 3 × y × y
= 3 × 4 × 4
= 48
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
If m – 6, evaluate:
5m − 6
If m = 2, evaluate:
16m – 7
If a = 5 and b = 6, evaluate:
6a2b
If x = 2 and y = 10, evaluate:
5y2
If m = 3 and n = 7, evaluate:
5mn2
If m = 3 and n = 7, evaluate:
4n2
If x = 2 and y = − 4, evaluate:
5x2y
If m = − 8 and n = − 2, evaluate:
(4n)2
If x = − 5 and y = − 8, evaluate:
3y2
The wages ₹ W of a man earning ₹ x per hour for t hours are given by the formula W = xt. Find his wages for working 40 hours at a rate of ₹ 39.45 per hour.
