3 years ago

5. Consider the diagram below. Solve for x.

Mathematics

2 answers:

Svetradugi [14.3K]3 years ago

8 0

I believe that x is <em>35</em>.

I hope this helps!

xenn [34]3 years ago

7 0

Answer:

35°

Step-by-step explanation:

68°+ 77° = 145°

180°- 145°= 35°

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Hi I really need help with this question please,

Mrrafil [7]

Answer:

${ ( \sqrt{30 - x} )}^{2} = {x}^{2} \\ 30 - x = {x}^{2} \\ \\ {x}^{2} + x - 30 = 0 \\ delta = 1 - 4 \times ( - 30) \times 1 = 121 \\ x1 = \frac{ - 1 + \sqrt{121} }{2 \times 1} = \frac{ - 1 + 11}{2} = 5 \\ x2 = \frac{ - 1 - \sqrt{121} }{2 \times 1} = \frac{ - 1 - 11}{2} = - 6 \\$