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ELEN [110]
3 years ago
11

LO bisects∠NLM, LM=18, NO=4, and LN=10. What is the value of x? the answer is either 5.43 or 7.2 but solve the problem out PLEAS

E!

Mathematics
1 answer:
KonstantinChe [14]3 years ago
5 0
\frac{short}{long} = \frac{short}{long}

\frac{4}{10} = \frac{x}{10}

cross multiply
4(10)=10x
40=10x
x=4
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The lengths of two sides of a right triangle are 12 inches and 15 inches. What is the difference between the two possible length
andrew11 [14]

we know that

In a right triangle

Applying the Pythagorean Theorem

c^{2} =a^{2} +b^{2}

where

a and b are the legs of the triangle

c is the hypotenuse of the triangle

Step N 1

<u>Assume that the third side is a leg</u>

In this case we have

a=12\ in\\c=15\ in\\ b=?

c^{2} =a^{2} +b^{2}

Solve for b

b^{2}=c^{2} -a^{2}

substitute the values

b^{2}=15^{2}-12^{2}

b^{2}=81

b=9\ in

Step N 2

<u>Assume that the third side is the hypotenuse</u>

In this case we have

a=12\ in\\b=15\ in\\ c=?

c^{2} =a^{2} +b^{2}

substitute the values

c^{2}=12^{2}+15^{2}

c^{2}=369

c=19.2\ in

Step N 3

<u>Find the difference of the third sides</u>

19.2\ in-9\ in=10.2\ in

therefore

<u>the answer is</u>

10.2\ in

8 0
3 years ago
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Mark has 20 pencils he wants to divide his pencils to 5 friends how much will each friend get?
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Answer: B. 4

Step-by-step explanation: Divide 20 by 5 and get 4.

8 0
3 years ago
Help please, with Geometry. I hate it.
Molodets [167]
Hello there,

Your correct answer would be the following:

"contain's a set of sentences explaining the step's needed to reach to conclusion".

There is an example below to show you an example.

Hope this helps.

~Jurgen

8 0
3 years ago
8. Jordyn bought a $50 cell phone case that was discounted 15%. Taxes were 5%. What was her total
shepuryov [24]
$50 x .15% = $7.50

$50 - $7.50 = $42.50

$50 x .05% = $2.50

$42.50 + $2.50 = $45

Answer : $45
3 0
3 years ago
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