Equal to -5 x 7/2, or -35/2.
2007-08-28 16:48:44
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answer #1
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answered by Anonymous
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Here's the principle you want to use in this problem: When dividing by a fraction, simply multiply by the fraction's reciprocal (inverse) instead. Here's how:
-5 X 7/2 ... 7/2 is the reciprocal of 2/7
Perform the multiplication and get:
-35/2 The fraction on the left is your answer.
2007-08-28 23:54:22
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answer #2
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answered by Piguy 4
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Note:
'/' means 'divided by'
'=' means 'equals to'
Note that / is the opposite of *
While '/' is about division, '*' is about multiplication.
Since '/' is the opposite of '*', hence whenever you see:
a / (b/c)
It is also equal to
a * (c/b)
Notice that the (b/c) is reversed to (c/b) when the '/' is changed to the opposite of it, that is '*'
Therefore to answer your question:
Q: -5 divided by 2/7
= -5 / (2/7)
= -5 * (7/2)
= -35 / 2
= -17.5 (in decimal form)
Therefore, the answer is
======================
Answer : - 35/2 or -17.5
======================
Hope this helps.
Kind regard,
Ryonn
2007-08-28 23:54:58
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answer #3
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answered by Mr. Math Contributor 4
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=(-5) / (2/7)
=(-5) x (7/2)
= -35/2
= -17 1/2
2007-08-29 00:06:17
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answer #4
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answered by JLO 2
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2/7/-5
=-2/35
=-0.05714
2007-08-28 23:49:07
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answer #5
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answered by pokemon maniac 6
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-5 / (2/7) = -5 ( 7/2) = -35/2 = -17.5
2007-09-01 23:47:34
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answer #6
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answered by Will 4
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