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viktelen [127]
3 years ago
13

Simplify the variable expression by evaluating it's numerical part m-13+42-6

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0

ANSWER

m + 23

EXPLANATION

The given expression is

m - 13 + 42 - 6

We regroup the numerical parts to get;

m + 42 - 6 - 13

Now let us simplify the negative numbers.

m + 42 - 19

We now subtract 19 from 42 to get;

m + 23

We can't simplify further

Hence the simplest form is:

m + 23

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The correct answer is:  [C]:  " 8.64 mm² " .
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Note: 
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Area of a triangle = (½)*(base length)*(height; that is, "perpendicular height");
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or:  A = (½) * b * h ;
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Given:  "b = 4.8 mm" ;
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4 0
2 years ago
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I have no idea how to solve this. Help would me much appreciated.
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