Lets count...
3a...thats 1 term
3ab...thats 2
7b....thats 3
-2c....movin on up to 4
-4d....and we end at 5
so this expression has 5 terms since none of the terms can be combined :)
make two triangles. make the bottom of one triangle 135 as the shadow and "x" as the height. the other traingle should have 9 at the bottom and 5.3 as the height. then make a proportion
I believe the answer is 5x+2y=6
The largest number that divides 63, 84, and 105 evenly is 21.
David can put 21 of each kind of tile in a row.
_____
These numbers are 3*21, 4*21, and 5*21, respectively.
Answer:
11
Explanation:
4+7 = 11
And we are trying to make it 0.
So we need to add 11 more on the other side to make it even.
