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21.08.2020 •
Mathematics
Chloe George If m_ABD = 83° and m_ABC = (x + 10) ° and mZDBC = (4x - 12), what is the measure of each angle?
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Ответ:
ABC = 27
DBC = 56
Step-by-step explanation:
ABC + CBD = ABD
x+10 + 4x-12 = 83
Combine like terms
5x -2 = 83
Add 2 to each side
5x-2+2 = 83+2
5x = 85
Divide each side by 5
5x/5 = 85/5
x =17
ABC = x+10 = 17+10 = 27
DBC = 4x-12 = 4*17 -12 = 68-12 = 56
Ответ:
Angle ABC = 27°
Angle DBC = 56°
Step-by-step explanation:
So we have to set an equation first.
x + 10 + 4x - 12 = 83
This simplified = 5x - 2 = 83
--> 5x = 85
so x = 17
Plug it in to the formula for ABC and DBC
ABC = x + 10
17 + 10 = 27
ABC = 27
DBC = 4x - 12
68 - 12
DBC = 56
Thus, we have our 2 answers.
Hope this helps!
Ответ:
you times it by 10 so the answer is 234
Step-by-step explanation:
u have to know how many cars there are 10 right
so what u do is divide it u can give as fraction if u want