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Leokris [45]
3 years ago
15

Given: ML ll JK. Prove: MN/NK = LN/NJ​

Mathematics
1 answer:
horrorfan [7]3 years ago
4 0

Step-by-step explanation:

<u>Statements and reasons</u>

  • ML ║ JK                       >> Given
  • ∠MLJ ≅ ∠KJL              >> Same side interior angles are congruent
  • ∠LMK ≅ ∠JKM             >> Same side interior angles are congruent
  • ΔMLN ~ ΔKJN              >> AA similarity postulate
  • MN / NK = LN / NJ       >> Corresponding parts of similar triangles have same ratio
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The length of a log of wood is 90 in. How many cuts do you need to make to obtain
Ilia_Sergeevich [38]

The greatest number of pieces will be 12 where each piece will have a different length and the length of each piece is a whole number, in inches and the remaining piece length will be 12 in(90 - 78).

<h3>What is a sequence?</h3>

It is defined as the systematic way of representing the data that follows a certain rule of arithmetic.

The total length of the wood = 90 in

We have to cut it into the greatest number of pieces, where each piece will have a different length and the length of each piece is a whole number, in inches.

We can cut it like:

1 in, 2 in, 3 in, 4 in, and so on

The above shows the arithmetic sequence,

The sum of the n natural number is given by:

\rm S_n = \dfrac{n(n+1)}{2}

\rm 90 = \dfrac{n(n+1)}{2}

After solving, we will get a quadratic equation:

n² + n -180 = 0

After solving, we will get:

n = 12.92 and n = -13.92(term can not be negative)

n = 12 (taking whole number)

Thus, the greatest number of pieces will be 12 where each piece will have a different length and the length of each piece is a whole number, in inches and the remaining piece length will be 12 in(90 - 78).

Learn more about the sequence here:

brainly.com/question/21961097

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6 0
2 years ago
need help ASAP plz
ruslelena [56]
First shape: no parallel nor perpendicular

Second shape: parallel sides

Third shape: parallel sides

Fourth shape: perpendicular sides

Fifth: perpendicular sides

Hope this helps!! Have a nice day!!
8 0
3 years ago
HELP ME<br> ANY GENIUS OUT THERE&gt;
julsineya [31]

Answer:

angle x equals 25

Step-by-step explanation:

130 + 25 = 155

180 - 155 = 25

Triangles always add up to 180°

6 0
2 years ago
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Nezavi [6.7K]
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7 0
4 years ago
2. What is the value of x? Show your work.
trapecia [35]
The answer will be 7.....value of x is 7 i believe

4 0
4 years ago
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