PDA

View Full Version : Math solution


Alowder9892
Mar 28, 2009, 08:00 AM
what's the answer to this inequalitie by graphing? 2x+y>3 and x-y<2

ROLCAM
Mar 28, 2009, 08:37 AM
2X Y 2X+Y

1 4 2 6
2 5 3 8
3 6 4 10
4 7 5 12
5 8 6 14
6 9 7 16
7 10 8 18
8 11 9 20
9 12 10 22
10 13 11 24
11 14 12 26
12 15 13 28
13 16 14 30
14 17 15 32
15 18 16 34

______________________________________

X Y X-Y

1 4 3 1
2 5 4 1
3 6 5 1
4 7 6 1
5 8 7 1
6 9 8 1
7 10 9 1
8 11 10 1
9 12 11 1
10 13 12 1
11 14 13 1
12 15 14 1
13 16 15 1
14 17 16 1
15 18 17 1

_____________________________________

X
X
X ***********X
X
X*****************X
X
X***********************X
X
X*****************************X
X
X***********************************X
X
X*****************************************X
Draw the imaginary lines:-
1) the x's vertically
2) the x's diagonally

jasminlj
Mar 29, 2009, 07:10 AM
In the accompanying diagram,the lenthss of the bases of isosceles trapeziod abcd are 10 and 20 and m of <dab 45.what is the lenth of the altitude of the trapeziod ?