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i need to know how to work this out by hand and on a calculator if posssible.

2006-08-23 13:38:56 · 15 answers · asked by martica522 1 in Science & Mathematics Mathematics

15 answers

0.125

i forget how to do it...but you can type it into google and it will answer it

2006-08-23 13:40:52 · answer #1 · answered by heavyhand002 3 · 0 0

1/8

2006-08-23 13:42:49 · answer #2 · answered by Sr.puerco 2 · 0 0

Easy. Take -1/2 and multiply both numbers by 4 to get -4/8. Then, add -4/8 to 5/8 (negatives cancel) to get 1/8.

The idea is to get both denominators to be the same. In this case you know 2 times 4 = 8, so you can make them both 8's.

2006-08-23 13:41:14 · answer #3 · answered by I Know Nuttin 5 · 0 0

-1/2 - (-5/8)
-1/2 + 5/8
-1/2= -4/8
-4/8 + 5/8 = 1/8

There I showed my work (just in case you need it). The answer is 1/8.

2006-08-23 13:48:04 · answer #4 · answered by Nikki 2 · 0 0

-1/2 - (-5/8) = -1/2 + 5/8= -4/8 + 5/8 = 1/8 final answer

Hope this helps!

2006-08-23 13:45:43 · answer #5 · answered by Cat Loves Her Sabres 6 · 0 0

-(1/2) -(-5/8)
= -(1/2) + (5/8) (minus minus equals plus)
= -(4/8) + (5/8) (multiplied the numerator and denominator of -1/2 by 4 so that the denominator of both fractions is the same, otherwise they cannot be added)
= (-4 + 5)/8
= 1/8

2006-08-23 13:44:28 · answer #6 · answered by funkyt0wn 2 · 0 0

by hand
remove brackets
-1/2+5/8
=(-4+5)/8
=1/8
by simple calculator
1/2 = .5(1 divided by 2)
5/8 = .625(5 divided by 8)
after removing brackets change the position and we get
0.625-.5 =.125
by scietific calculator
Press - 1/2+5/8 = 1/8

2006-08-23 13:58:26 · answer #7 · answered by Mohammad b 1 · 0 0

1/8

two negitive make a postive so its
-1/2 + 5/8
-1/2=-4/8
-4/8 +5/8= 1/8

2006-08-23 13:44:31 · answer #8 · answered by Mae-Day 3 · 0 0

-1/2-(-5/8)=-1/2+5/8
=-4/8+5/8
=1/8

2006-08-23 13:42:14 · answer #9 · answered by Dharmesh 1 · 0 0

-1/2-(-5/8)=-1/2+5/8=-4/8+5/8=1/8

2006-08-23 13:41:39 · answer #10 · answered by Glenn N 5 · 0 0

This sequence is declared as fibonacci sequence. in this sequence each and each style is the sum of the two numbers previously it a million,a million,2 -> 2=a million+a million a million.a million.2.3 -> 3=2+a million a million,a million,2,3,5-> 5=3+2 so on so the subsequent style is 5+8 = thirteen

2016-12-17 16:07:20 · answer #11 · answered by joyan 4 · 0 0

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