Replace the second equation y=3x+4 into the first one:
2(3x+4)+5x=30
Now solve for x:
6x+8+5x=30
11x=30-8
11x=22
x=22/11
x=2
Finally, replace x=2 into y=3x+4
y=3*2+4
y=6+4 = 10
So the anwer is x=2, y=10
I do not know what you mean by in proof but are there multiple choice answers?
Which is an example of discrete data?
A) number of taxis waiting at the airport
B) volume of water in a glass
C) speed of a boat
D) weight of fish
If you are looking for the median number, it would be the number in the middle which is 50
Answer:
Amount of money earned; ... The higher the number of hours worked, the larger amount of money is earned. So, both the events goes in the same direction. So, there is direct relationship between two events
Step-by-step explanation: