I NEED THIS ON PAPER AND RIGHT NOW :c

38.4 divided by 2.4 is 16

Step-by-step explanation:

Divide as indicated:  2.4 / 38.4

You can simplify the work a bit by moving the decimal point 1 place to the right.  You'll get:

2.4 / 38.4      =>      24 /  384

Now many times does 24 go into 38?  One.  So, place a 1 agove the '8':

            1

24 /  384

Multiply the '24' by the '1':

            1

24 /  384

         24             subtract this 24 from 38:

         144

Divide 24 into 144:  6.  Write this '6' right next to the '1':

            16

24 /  384

        -24              Multiply 24 by 6:  144

         144

        -144             Subtract this result (144) from 144:

            0

So the final answer is 16:  38.4 divided by 2.4 is 16.

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".