Answer: 61
Step-by-step explanation: It's going up by five each time. We can write a function...
f(x)=5x+1
Starting Value: 1
Rate of Change: 5
x=12
f(12)=5(12)+1
5 times 12 is 60
60 + 1= 61
Therefore the answer is 61
Answer:
A=30 B=60......…...............
Answer:
a.
b.
Step-by-step explanation:
Dimensions of rectangular piece of cardboard=
According to question
Length of box,l=10-2x
Breadth of box,b=6-2x
Height of box,h=x
a.
Volume of box=
Substitute the values in the formula
Volume of box=

b.Surface area of box=
Because the box has no lid
Substitute the values in the formula
Surface area of box=
Surface area of box=
Surface area of box=
Surface area of box=
Surface area of box, S(x)=