10. Using Base 10 blocks, show & explain how to divide 35 (3 longs and 5 units) by 5. (DRAW
1 answer:
Each long piece is composed of 10 unit blocks (smallest squares).
The three long pieces means that they make up 3*10 = 30 units so far. Add on the 5 extra units and we have 30+5 = 35 units total
If we have 35 squares, then we can group them up into groups of 5. Doing so will leave you with 7 groups.
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X=-3
because
-4x=21-9
-4x= 12 divide both sides
x=-3
Answer:
196
Step-by-step explanation:
True is going to be the correct answer.
It is true that (x+2)(x+3) = x2 +5x + 6
All to one side:
4x^2-32x+64 = 0,
divide by 4:
x^2 -8x + 16 = 0
apply formula or see that it is (x-4)^2!, so only x =4 is a root and it is double.
