Answer:
43y
Step-by-step explanation:
31y+12y
combine like terms
Factor out y
y( 31+12)
y (43)
43y
Answer:
1,1
Step-by-step explanation:
Basically you enter this equation into a graphing calculator and see which x and y value match and those are your points . Or you can substitute values in for x by isolating y by itself
Answer:
78
Step-by-step explanation:
is there more to this problem?
13. 00* 6 = 78
In order to answer this question let's suppose,
Joe is x miles from the beginning and y miles from the end. These assumptions are necessary to answer further:
Now,
x=2y
x+y=30
plugging in x=2y in the above equation
2y+y=30
3y=30
y=10
Hence, according to our calculations, Joe has to hike 10 miles further