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1. adding and subtracting integers rules?

You can add and subtract in any order as long as the positive and negative signs stay with the...a number line and go back 8 spaces... The general rule about adding negative numbers is to FIRST "pretend" they aren't...

7 Answers · Science & Mathematics · 09/10/2011

2. Fractions question? Strategies or ways to add and subtract fractions and such?

You can only add or subtract fractions once they have the same denominator. After... if necessary, to make the denominators the same, and then add or subtract. There is a very simple technique to finding...

2 Answers · Science & Mathematics · 18/02/2013

3. What 2 numbers add up to get __ & multiplied to get __?

Added to get 35, multiplied to get -294: x + y = 35 x*y = -294 Then...7 (x - 42) = 0 x = 42 So the two numbers are -7 and 42. Added to get -65, multiplied to get -350: x + y = -65 x*y = -350 x = -65 - y...

1 Answers · Science & Mathematics · 09/06/2011

4. Adding and Subtracting Rational Expressions plz help quick 10 points!!!!?

adding/subtracting rationals. step 1; fully factor everything and cancel where possible. step 2; find ...for -6, -5, -3 D= xER {-6, -5, -3 You need to have common denominators for adding/subtracting rational expressions for the same reason that you need them for adding...

2 Answers · Science & Mathematics · 25/05/2011

5. 1. Add and simplify 5/3+z + 9/3+z?

1) Add and simplify: 5/3+z + 9/3+z 5/3+z + 9/3+z = (5+9)/(3+z) = 14...y-a) = (ay-a^2-ay-a^2)/(y+a)(y-a) = -2a^2 / (y+a)(y-a) 3) Add. Simplify if possible: 1/y+6 + 7/5y 1/(y+6) + 7/5y = (5y...

2 Answers · Science & Mathematics · 23/08/2007

... 2b^18 x 6c^3 b and c are not like terms so they do not add up and to figure out the answer u do 6b^12 + -4^6 --- 6b+-4b=2b and then add the ...

2 Answers · Science & Mathematics · 17/02/2008

7. How do I add % to calculations?

To "add" a percent, you first multiply the number by the percent then add it to the original amount. 4% x 11679 = 0.04 x 11679 = 467.16 Then add this to the original amount: 11,679 + 467.16 = 12,146.16 The shortcut to this...

5 Answers · Science & Mathematics · 13/02/2009

8. How do you add,divide,subtract, and multiply fractions and decimals?

Fractions: 1. Add: First you have to make sure both denominators... it and it becomes 5/14. Decimals: Add: This is really simple. Say 10.3 + 11.9...

3 Answers · Science & Mathematics · 31/12/2011

9. How to add fraction to fraction?

You can only add fractions if they have the same denominator, in which you add the numerators...aside for now. 4/7 + 2 + 2/5 + 1 + 3/7 (4/7 and 3/7 have the same denominator, so add them) 7/7 + 2 + 2/5 + 1 (simplify fraction) 1 + 2 + 2/5 + 1 (combine whole...

3 Answers · Science & Mathematics · 07/09/2008