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jekas [21]
2 years ago
9

Free 50 points to all you hard workers

Mathematics
2 answers:
lianna [129]2 years ago
8 0

salamatun bahala ka sa buhay mo

astraxan [27]2 years ago
8 0
Wowie, it’s my birthday today ^^

thank you

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Given klmn is a trapezoid, kl = mn, m<1 = m<2, lm/kn = 8/9, pklmn = 132. Find: the length of the legs
Ilia_Sergeevich [38]

Answer:

The length of legs lm, mn, and lk is 32 while that of kn is 36.

Step-by-step explanation:

The diagram is attached in the answer.

As both the angles are equal thus the two forms isosceles triangles. This is true because the converse of base angle theorem is applicable here. The theorem clearly states that when a trapezoid is divided by the diagonal, it forms two set of angles where m<1=m<2 and m<lmk=m<nmk

This leads the two set of legs such as

\dfrac{lm}{kn}=\dfrac{8}{9}

Or this could be written as

lm=8x\\kn=9x

Now the remaining two sides are given as

lk=lm as this form an isosceles triangle so

lk=8x

Similarly

mn=lm\\

Or

mn=8x

Now the perimeter is given as

\text{perimeter}=lm+mn+kn+lk\\

Here perimeter is given as 132 so this gives:

\text{perimeter}=lm+mn+kn+lk\\132=8x+8x+8x+9x\\132=33x\\x=\dfrac{132}{33}\\x=4

So the four legs are of length as given below:

lm=8x=8\times 4=32\\mn=8x=8\times 4=32\\lk=8x=8\times 4=32\\kn=9x=9\times4=36

So the length of legs lm, mn, and lk is 32 while that of kn is 36.

6 0
3 years ago
Need some help with this math question, can someone help me out pls
Sergeeva-Olga [200]

Okay I'm not too sure on this but I believe it is the third one.

I hope this helps!!

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Hat is the percent of decrease on an item that went from $25 to $20?
HACTEHA [7]
Your answer is 20% :)
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Solve (x + 2 &lt; 5) ∩ (x - 7 &gt; -6).
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not sure how you are supposed to answer so it can be either

1<x<3

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(1,3)

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Totally forgot how to do this, please help.
ddd [48]

Answer:

-2/21 is the answer hope it helps

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