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jenyasd209 [6]
3 years ago
14

What is the value of the variable x? a.20 b.14 c.12 d.16

Mathematics
2 answers:
Dovator [93]3 years ago
8 0

Answer:

12°

55°

Step-by-step explanation:

∠WXY=90°

∠ZXY=∠WXY- ∠WXZ= 90° - 35°= 55°

  • 4x+7°= 55°
  • 4x= 48°
  • x= 48°/4
  • x= 12°
butalik [34]3 years ago
6 0

Answer:

The first question: The answer is C.12

The second question: The answer is C. 55

Step-by-step explanation:

The first question : Explanation: since WXY is 90 degrees and WXZ is 35 degrees subtract those two to get ZXY: 90 - 35 is 55

So it would like this for ZXY: 4x + 7 = 55

                                                x = 12

So your first answer would be C. 12

The second question: Explanation: Since we got the answer for X value we substitute it in the equation: 4x12 + 7 = 55

So the second answer would be C. 55

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