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2007-07-15 13:50:41 · 12 answers · asked by Jason C 3 in Science & Mathematics Mathematics

12 answers

it is 4.3

reason:

-2.5 - (-6.8)
since two negative signs equal a positive it means that the equation becomes

-2.5 + 6.8

then you add and get 4.3

2007-07-15 13:53:38 · answer #1 · answered by Anonymous · 2 0

-2.5-(-6.8)=-2.5+6.8=4.3
since subtracting a negative number is the same as adding a positive number.

2007-07-15 13:54:41 · answer #2 · answered by gordonmorrison 6 · 0 0

-1 (-6.8)= 6.8, so you subtract 2.5 from 6.8= 4.3 ans.

2007-07-15 13:55:22 · answer #3 · answered by WC 7 · 0 0

= - 2.5 + 6.8
= 6.8 - 2.5
= 4.3

2007-07-15 19:45:00 · answer #4 · answered by Como 7 · 0 0

First take 25% of $sixty 8.00 to locate the whole decrease cost: 0.25 x $sixty 8 = $17 Now subtract this value from the unique cost: $sixty 8 - $17 = $fifty one Your answer might desire to be your 2nd determination: $fifty one.

2017-01-21 04:40:22 · answer #5 · answered by yelverton 2 · 0 0

2.5 -(-6.8) = -2.5 + 6.8 = 6.8-2.5 = 4.3

2007-07-15 13:57:24 · answer #6 · answered by Simpleisbest 1 · 0 0

-2.5-(-6.8)=-2.5+6.8=4.3

2007-07-15 13:54:29 · answer #7 · answered by yupchagee 7 · 1 0

-2.5 - (-6.8)
-2.5 + 6.8
4.3

2007-07-15 13:55:35 · answer #8 · answered by Charles 2 · 0 0

Homework would have been so much easer in school if we had groups like this!

As it is, I only got all the odd answers correct ;)

2007-07-15 14:01:42 · answer #9 · answered by Pete 2 · 0 0

4.3

2007-07-15 14:03:56 · answer #10 · answered by goober111293 1 · 0 0

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