Answer:
Step-by-step explanation:
cannot be factorised in the form (x+b)(x-b) unless one of the b's is zero, so I wonder if the expression is incomplete?
To factorise , take out the common factor 
:
Therefore, x = 0 and x = 4
- - - - - - - - -
factorised in the form (x+b)(x-b) would be 
but it is not usual to have a zero in a factorised form.
Answer:
Area of river = 3 × 40
= 120 
amount of water that falls into the sea ⇒
= Area × rate
= 120 × 2 
= 120× 
= 2 × 2000
= 4000 
∴4000 of water falls into the sea permin.
Step-by-step explanation:
Hope it is helpful...
Answer:
50% profit
Step-by-step explanation:
750-500 is 250 so that is a 50% profit/markup
Answer:
the temperature is 10 degrees F at 7 pm, and -2 degrees F at 7 am the next morning. How much did the temperature change between 7 pm and 7 am
B.) Square
I used Math-way for this answer cause if you type in the following points it is shown to be a square..
I hope this helps!
