Here are the answers:
1) C
2) A
3) D
4) B
Answer:
<u>25 hours</u>
Step-by-step explanation:
It takes 5 men 45 hours to build a wall.
So, if no. of men increases by 1.8 [∴ 5 x 1.8 = 9],
then time taken reduces by that same amount.
=> 45 hours / 1.8
=> 45 / (9/5)
=> 45 x 5 / 9
=> 5 x 5
=> <u>25 hours</u>
3√10^4x is equivalent to -√10 3/4^x and -4√10^3x they are all equivalent
Answer:
255mm squared
Step-by-step explanation:
it is true i got it wrong and found out the hard way
