ThomasSponge

Thomas Coleman 100%

9/22/08 Pg. 32 (21+22) 21. |-7+8|+|-9| 1 + 9 10, G

22. H=15w, B

9/23/08

Pg. 83 (65-68) 65. 4.78d

66. -20p-76p^2-9

67.-6.1t^2+13.7t

68. 1.5m-12.5v

9/24/08 Pg. 85 (1-3,5-10)

1. -1/9

2. -20

3. 5

5. 2(4)(-3*-5) 8 *-15 120

6.-(-5)-4 5-4 1

7. 2(4)^2/4(-5) 32/-20 -1.6

8. -5 + t=8 f t= temperture change

9.1/3(24x-36) 8x-12

10. 49t

9/25/08 Pg. 91 (1-4)

1.Yes

2.No

3.No

4.No

9/29/08

1. The associative property is when you can switch around the order of the numbers using parathesis and it does not effect the outcome. ex. 5*3*4 3*5*3 1 +2 +3 2+1+3 2. The commutative property is add or muiltply numbers in any order and still get the same anwser. ex. a+b=b+a a*b=b*a

10/1/08 Pg.116(15-18)

15. 14k²-(-2k²) 16k²

16. 4xy+9xy 13xy

17. 6t+2-4t 2t+2

18. 9x-4+3x 12x-4

1. 15/7 +-3/6 90/42+-21/42 69/42 23/14

10/3/08 Pg.119 (1-9)

1.x-5=14 +5 +5 x=19

2.x+3.8=9 -3.8 -3.8 x= 5.2

3.-7+x=7 --7 --7 x=14

4.x-13=20 +13 +13 x=33

5.x/4=8 x=32
 * 4 *4

6.9=3x /3 /3 3=x

7.10x=2 /10 /10 x=0.2

8.2/3x=-6 /2/3 /2/3 x=-9

9.x+2 3/4=6 1/2 -2 3/4 -2 3/4 x=3 3/4

10/6/08 P.122 (40-43)

40. 8+c/-4=-6 -8            -8        c/-4=-14 *-4     *-4           c=56√

41. 7-3k=-14 -7          -7        3k=-21 /3     /3        k=-7√

42. 14=6-2p -6 -6      8=2p /2    /2        4=p√

43. -y/2+14=-1 -14   -14      -y/2=-15 *2     *2        -y=30 /-1 /-1          y=30 √