![(5x )\degree = \frac{1}{2} [(25x + 21) \degree - 96 \degree] \\ \\ (5x )\degree \times 2= (25x + 21 - 96) \degree \\ \\ (10x )\degree = (25x + 21 - 96) \degree \\ \\ 10x = 25x - 75 \\ \\ 75 = 25x - 10x \\ \\ 75 = 15x \\ \\ x = \frac{75}{15} \\ \\ x = 5 \\ \\ m (\widehat{DB}) = (25x + 21) \degree \\ \\ m(\widehat{DB} )= (25 \times 5 + 21) \degree \\ \\ m(\widehat{DB} )= (125 + 21) \degree \\ \\ \huge \purple{ \boxed{m( \widehat{DB} )= 146 \degree}} \\ \\](/tpl/images/1117/8719/0e6b8.png)
Find the measure of arc DB.
25°
96°
118°
146°
...
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 18:20
Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315
Answers: 1
Mathematics, 21.06.2019 20:30
There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?
Answers: 3
Mathematics, 21.06.2019 23:00
Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?
Answers: 1
Mathematics, 21.06.2019 23:30
At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250
Answers: 1
You know the right answer?
Questions
Mathematics, 14.04.2021 19:50
Mathematics, 14.04.2021 19:50
French, 14.04.2021 19:50
English, 14.04.2021 19:50
Mathematics, 14.04.2021 19:50
Chemistry, 14.04.2021 19:50
English, 14.04.2021 19:50
Spanish, 14.04.2021 19:50
Health, 14.04.2021 19:50
Mathematics, 14.04.2021 19:50
History, 14.04.2021 19:50
