Umm yea solve this....

Mathematics

1 answer:

son4ous [18]3 years ago

3 0

A = -2 because you subtract 9a to the other side and then you subtract the 5
to the other side which gives you 5a=-10. divide by 5 and you get -2

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The perimeter, by definition, is the outside measure of that figure. MN and LM are the same length and LK and NK are the same length....we just need to find the lengths! Use the distance formula to find the distance between the 2 points:
$\sqrt{( x_{2} - x_{1} ) ^{2} +( y_{2}- y_{1} ) ^{2} }$
For the segment MN, use the coordinates of M as your x1, y1, and use the coordinates of N for x2, y2:
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Now let's use the same formula to find out the length of one of the longer segments:
$\sqrt{(5-3) ^{2} +(3-2) ^{2} }$
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That's the third choice down

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<h3>How to determine the function</h3>

From the information given, we have: