Answer:
13 and 77 degrees
Step-by-step explanation:
Complementary = 90 degrees
Set an angle to x
x+(x+64)=90
2x+64=90
2x=26
x=13
angle measures: 13, 77 degrees
40 kph is equal to abt 11 mps so that means 40kph is faster
Answer:
10/9
Step-by-step explanation:
Answer:

multiply all terms in the top equation by 2
multiply all terms in the second equation by -7. it would then add the two equations together to cancel out the variable x
You will then have two equations in terms of y
solve for y and either equation then substitute that value for y into the other equation then solve for x
Step-by-step explanation:
1-(2x+4)= 1-2x-4= -2x-3