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Nesterboy [21]
3 years ago
15

Please answer it’s a timed test

Mathematics
2 answers:
Feliz [49]3 years ago
6 0

Answer:

i may be wroung but it should be 90

Step-by-step explanation:

Step2247 [10]3 years ago
6 0

Answer:

x=35

Step-by-step explanation:

The sum of angles in a triangle is equal to 180. In the triangle given, we have to add all the angles to find x.

So,

3x+x+40=180

to find x, we must isolate it:

combine common terms:

4x+40=180

subtract the 40 to both sides:

4x+40-40=180-40

divide by three to isolate the variable:

4x/4=140/4

and the resulting would be our x:

x=35

to check if our answers make sense, substitute.

3(35)+35+40=180

solve:

180=180

that's it! hope it helps :)

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Step-by-step explanation:

The rule will be

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________________

Learn more about arithmetic sequences:

  • brainly.com/question/6561461
  • brainly.com/question/503167

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2 years ago
Tera buys 10 pencils for $1.99.<br> About how much $ does each pencil<br> cost?
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Step-by-step explanation:

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