He has had 9 hours and 18 minutes sleep
Answer:
(a)
Step-by-step explanation:
x + x(xx)
Put the value of x = 2 in the above expression we get,
2 + 2(22)
= 2 + 2(2 × 2)
= 2 + 2(4)
= 2 + 8
= 10
Answer: (a)
Answer:
1. 160ft
2. 218.64ft
3. 84ft
4. 140.67
Step-by-step explanation:
L*W*H / 3
Answer:
15
Step-by-step explanation:
2.25 times 20=45
45-30=15
Answer:
Final answer is
.
Step-by-step explanation:
Given expression is
.
Now we need to smplify the given expression
.
So begin with factoring 20 into two parts so that one part is perfect square number.




Hence final answer is
.