I got 3.825
your equation would be
(2x-1)(x+7)=72
when you distribute youd get
2x^2 +13x -7 =72
move the 72 over giving you
2x^2 +13x -79=0
i used the quadratic formula and the answer would be 3.825 because a negative answer wouldn’t make sense in this situation
You should get the answer 154 afte u subtract and at that school be your answer
So close! But instead of adding the multiplication sign after the number you need to add them before. Good job though! :)
The answer is that his average is 75.5 for the second nine weeks
Volume=length X breadth X height
hence, volume= 9.6 X 5 X 7 cubic millimeters
which is equal to 336 cubic mm
