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Alexeev081 [22]
4 years ago
13

10 Pts + Brainliest for the best answer

Mathematics
2 answers:
Zanzabum4 years ago
8 0

Answer:

x=-5

Step-by-step explanation:

ABN + NBC = ABC

ABN = x+85   NBC = x+105     ABC = 180

Substituting these in

x+85 + x+105 = 180

Combine like terms

2x +190=108

Subtract 190 from each side

2x+190-190=180-190

2x = -10

Divide by 2

2x/2 = -10/2

x=-5

Orlov [11]4 years ago
7 0

m∠ABC = m∠ABN + m∠NBC

We have m∠ABC = 180°, m∠ABN = x + 85 and m∠NBC = x + 105. substitute:

180 = (x + 85) + (x + 105)

180 = (x + x) + (85 + 105)

180 = 2x + 190       <em>subtract 190 from both sides</em>

-10 = 2x      <em>divide both sides by 2</em>

-5 = x

<h3>Answer: x = -5</h3>
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in a triangle two sides of the same length the ratio of each of these sides to the third side is 5:3 if the perimeter of the tri
AveGali [126]

Answer:

Step-by-step explanation:

Perimeter of a triangle equals side 1 plus side 2 plus side 2

           P = s1 + s2 + s3                 side 1 = side 2 =  x

                                                     x/side 3 = 5 / 3

                                                     x  = (5/3) side 3

                                                     x (3/5)  = side 3

                                                 

                                                     perimeter = 65    slove for x

          65  = x + x + 3x/5

         325  = 5x + 5x + 3x

         325  = 13X

          25   = x    equal side 1 and side 2  

          side 3 = 25(3/5)  = 15

3 0
3 years ago
Please help me with this problem! If anybody answers first in this, i will give brainliest to you! Be the first one to answer th
MA_775_DIABLO [31]

Answer:

32 remainder 2

Step-by-step explanation:

To divide 162 by 5, we simply do the following:

5 goes into 16 => 3

Multiply 5 by 3 => 3 × 5 = 15

Subtract 15 from 16 => 16 – 15 = 1

Put the 1 before 2 => 12

5 goes into 12 => 2

Multiply 5 by 2 => 5 × 2 = 10

Subtract 10 from 12 => 12 – 10 => 2

In summary,

162 divided by 5 => 32 remainder 2

Please see attached photo for further details.

4 0
3 years ago
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First we simplify the inequality

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Now we have ...

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-18 is greater than -24

This means that, YES! a = -18 IS a solution to the inequality

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3 years ago
Written form of 73,046
Helen [10]
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