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anygoal [31]
2 years ago
9

Please help! I need to work out the size of angle x.

Mathematics
2 answers:
Kobotan [32]2 years ago
7 0

Step-by-step explanation:

50 + x =120

x = 120 -50

x = 70

kari74 [83]2 years ago
4 0

Answer:

  • 50+x=120°{ sum of interior angle of a triangle is equal to the exterior opposite angle of a triangle
  • x=120-50
  • x=70°

hope it helps.

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Answer: x=5/3

Step-by-step explanation:

For this problem, we can use teh information given to write out an equation and solve. Let's use x for the unknown number.

5x+5=2x+10

The left side of the equation comes from the part that says "five times a number plus 5". That is modeled above. The right side of the equation comes from "has the same value as twice the number plus 10".

5x+5=2x+10                     [subtract both sides by 2x]

3x+5=10                           [subtract both sides by 5]

3x=5                                [divide both sides by 3]

x=5/3

Now, we have found the unknown number, x=5/3.

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Delvig [45]

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