12 1/2 because you do 5/6 x 15/1 which 6/3 equals 2 and 15/3 equals 5 so you do 5/2 x 5/1
Answer:
50 cents
Step-by-step explanation:
Let's set up a system of equations. Let x be a cookie and y be a brownie then...
x+2y=2x+y
x+y=1
We can solve this using substitution
x=1-y
1-y+2y=2(1-y)+y
1+y=2-2y+y
1+y=2-y
-1=-2y
y=1/2
One brownie costs 50 cents and one cookie costs...
x+1/2=1
x=1/2
One cookie costs 50 cents
In order to be considered a semi-conductor the material must have insulator and conductor properties, So the answer would be A,
Answer:
Slope= 30
Speed = 30 miles per hour
Step-by-step explanation:
Given two points the slope will be change in y over change in x
OR (y-y1)/(x-x1)
(120-60)/(2-1) = 60/2 = 30miles/hr
