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maw [93]
3 years ago
8

Can someone help me???????

Mathematics
1 answer:
Alchen [17]3 years ago
5 0

Answer:

7th is the correct one

Step-by-step explanation:

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PLEASE HELP! due tmr! <br><br> 24<br> 26<br> 55<br> 99
SVETLANKA909090 [29]

Answer:

99°

Step-by-step explanation:

Internal Angles of triangles ALWAYS add up to 180°

So, 180° is our total.

We can form an equation. <em>x° + 55° + (4x - 5)° = 180</em>°

We can remove the brackets to form; <em>x° + 55° + 4x° - 5° = 180°</em>

We can get rid of the like terms by either <em>adding </em>or <em>subtracting </em>them.

<em>x° + 4x° + 55° - 5° = 180°</em>

<em>5x° + 50° = 180°</em>

We can then subtract 50° from both sides.

<em>5x° = 180° - 50°</em>

<em>5x° = 130°</em>

We then make x the subject and divide both sides by 5°

x = 26

x was our unknown so where there is x we put 26

The angle on the far left is simply 26°

The other angle, (4x-5)° becomes (4(26) - 5)°

If you simplify that, you get (104-5)°

Hence the last angle was 99°

If you want to ensure that your answer is correct, simply add the angles. They <u><em>should always</em></u> add up to 180° if you're working with a triangle

55° + 26° + 99° = 180°

7 0
3 years ago
Read 2 more answers
What is the best approximation for relative maximum of the polynomial function graphed below?
AlexFokin [52]

A. (0.6, -2.8)

Hope this helps! :)

8 0
3 years ago
Please help I’ll mark brainliest!!!
andrey2020 [161]

Answer:

(3,0)

Step-by-step explanation:

7 0
2 years ago
What is the solution set to the equation (3x−9)(5x−3)=0?
andreev551 [17]
This product could be zero if one or both of the parenthesis are zero.
3x-9=0; 3x=9; x= 3
5x-3=0; 5x=3; x=3/5

The solution is { 3/5, 3}
8 0
3 years ago
Read 2 more answers
6x + 4 = 34 linear equations
valkas [14]

Answer:

Step-by-step explanation:

X=5

8 0
3 years ago
Read 2 more answers
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