First, write it as an equation
2.50+3x=5.05
Next, subtract 2.50 from both sides
2.50-2.50+3x=5.05-2.50
3x=2.55
Divide 3 on both sides
3x/3=2.55/3
x=0.85
The cost of a bag of chips is 0.85
hope i helped :D
Answer:
gradient is the same as slope
so m=9
Step-by-step explanation:
y=9x+C. insert point(1,4)
4=9*1+C
4-9=C
C=-5
so the equation of the line is y=9x-5
You plug 13 into where the r is and then solve, using a calculator
Answer:
Area: 121
Perimeter: 44
lmk if im wrong.
