Sum = ADDITION SO ... 11 + 12 = 23.
Answer:
C) 45 x 45
The expanded form for 45 squared is 45×45
Step-by-step explanation:
45 squared means 45² i.e 45×45
Therefore, letter C) 45×45 is the answer
Answer:
C
Step-by-step explanation:
tanA = 
= 
= 
= 
→ C
Answer:
3rd and 4th options are correct that is 24 hours per day and 7 days per week.
Step-by-step explanation:
We need to find the conversion factors that can be used to find number of hours in a week.
We know that,
Number of hours in a day = 24
and
Number of days in a week = 7
So, Number of hours in 7 days = 24 × 7 = 168.
Therefore, 3rd and 4th options are correct that is 24 hours per day and 7 days per week.
Answer:
16,000
Step-by-step explanation:
20,000 x .20 = 4,000
20,000 - 4,000 = 16,000
