Yes they do. Notice that for each step in x there a +4 in y. If you want an equation we can set it up with the inforation given
Yes theres a relationship because for every meter she runs it takes her 4 minutes for each.
(Kelly must be really tired or is just really slow)
X= be coffee
Y=be donuts
Set up equations
10x+5y=16.50
5x+10y=14.25
Now multiply first equation by -2 to get a negative
(-2)10x+5y(-2)=16.50(-2)
-20x-10y=-33
Now put both equations to solve for x
-20x-10y=-33
5x+10y=14.25
___________
-15x. = -18.75
Now divide -15 bith sides to get x alone
X= -18.75/-15
X= 1.25
The cost of each coffee cup$1.25
Answer:
Step-by-step explanation:
Recall that the change of base formula is 
Answer:
3/4 divided by 1/8 Is 6
Step-by-step explanation:
Answer:
Its 48 °
Since its a triangle, the total angle will be 180°
So,
x° + 42°+90°=180°(90° as one angle in triangle is 90°)
x°=180°-90°-42°
x°=48°
