Answer:
x = 65 degrees
Step-by-step explanation:
x° + x° + 50° = 180°
2x + 50° = 180°
2x = 180° - 50°
2x = 130°
x = 130°/2
x = 65°
Answer:Let x and (x-3) represent Elvira's and David's times respectively
D = r*t
Distances traveled are equal in this example***
14mph*x = 21mph(x-3)
solving for x
14x = 21x - 63
63 = 7x
x = 9hr, the time that Elvira traveled. David traveled 6hrs (9hr-3hr = 6hr)
CHECKING our Answer***
14mph*9hr = 126mi = 21mph*6hr = 126mi
Step-by-step explanation:
Answer:
100.584 KILOMETERS
Step-by-step explanation: cause i know it ❤
hope you get it right! love ya stranger
Add the two equations together.
5y=20
y=4
Substitute that back into one of the equations.
4x+3y=6
4x+3(4)=6
4x=-6
x=-3/2
So, the solution is x=-3/2, y=4.
The answer, therefore, is D.
Hope this helps!
