niescarlosj
25.04.2020 •
Mathematics
If BD⊥ AC, m∠DBE = (2x – 1 )and m∠CBE = (5x – 42)find the value of x.
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Ответ:
19°
Step-by-step explanation:
Angle DBE + Angle CBE = 90
2x - 1 + 5x - 42 = 90
7x = 133
x = 19°
Ответ:
58
Step-by-step explanation:
(31+27)+29×0
58+29×0
58+0
58