Answer:
12:9
Step-by-step explanation:
First you need to know the definition of a complementary angle. That means that two angles add up to 90 degrees, or a right angle.
To find an angle complementary to a 78 degree angle, you need to subtract 78 from 90.
90 - 78 = 12
Answer:
2
Step-by-step explanation:
6x=4+8
6x=12x= 12/6
x=2
Answer:
x=2 and y=3.
Step-by-step explanation:
Let the one number be x and the other number be y.
ATQ, 2x=1+y and x+y=5. x=2 and y=3.
you can use calculator because it shows the graph and table.