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# Forum: Pre-Algebra

Questions from "Pre-Algebra" classes.

1. ### Sticky: Read Before Posting

• Replies: 0
• Views: 16,504
Ted
11-14-2007, 09:47 PM
1. ### $10K invested for 1 yr, part at 8%, rest at 12%;$944 int.

• Replies: 1
• Views: 1,215
09-08-2008, 03:03 PM
2. ### $400 is less than or equal to the product of$32 and....

• Replies: 2
• Views: 2,328
08-31-2007, 10:34 AM
3. ### "ab" is 0?

• Replies: 4
• Views: 1,538
05-07-2016, 11:03 AM
4. ### "cofactor expansion method" and "row reduction method" ?

• Replies: 2
• Views: 1,569
04-02-2009, 09:38 PM
5. ### "Your electricity bill is £122.00 excluding a tariff for the last quarter...."

• Replies: 1
• Views: 277
06-22-2018, 12:13 PM
6. ### 'Applications': How to write 1101101 in decimal form?

• Replies: 2
• Views: 3,082
01-20-2007, 10:22 AM
7. ### (-4*10^14)(1.77*10^-10)

• Replies: 2
• Views: 1,528
04-11-2010, 03:27 PM
8. ### (3/5)^2 + 8/35 divided by 24/7

• Replies: 3
• Views: 2,113
01-09-2014, 02:24 PM
9. ### (3^2)(8^2)=3x not sure how to solve

• Replies: 2
• Views: 833
12-16-2010, 01:54 AM
10. ### ***Last moment check***

• Replies: 3
• Views: 1,377
10-03-2013, 07:38 AM

• Replies: 3
• Views: 1,421
03-01-2009, 02:18 AM
12. ### -2x^4-13x^2+258=0

• Replies: 1
• Views: 1,324
10-30-2015, 05:26 PM
13. ### -5(2x+1)+3x=37

• Replies: 2
• Views: 1,262
10-30-2009, 08:01 AM
14. ### -5, -3, -1, 1, ....; sum of reciprocals is 16/63: find numb.

• Replies: 2
• Views: 1,283
10-15-2008, 07:12 AM
15. ### -6y-2y: when is '-' a minus sign, and when is it a negative?

• Replies: 2
• Views: 2,360
sj
11-12-2006, 11:28 PM
16. ### -x(2)

• Replies: 4
• Views: 2,386
06-14-2007, 07:49 PM
17. ### 0.2x-0.05(x-100)=35

• Replies: 1
• Views: 1,473
10-06-2008, 02:02 PM
18. ### 1 equation and 2 expressions

• Replies: 2
• Views: 1,099
02-18-2010, 12:17 AM

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