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1) If y = x+2, find the values of y when x = 0, 1, 2, 3, 4
For x = 0,y=
For x = 1,y=
For x =2,y=
For x = 3,y=
For x = 4,y=
2) If a = b + 3, find the values of y when b = 0,1,–2,–4
For b = 0,a=
For b = 1,a=
For b =-2,a=
For b =-4,a=
3) Given that t = 11– 4r. Find the values of y when r = –40,1,6,
For r = -4,t=
For r = 0,t=
For r =1,t=
For r =6,t=
4) The time T minutes, taken to travel a certain distance ata given speed S mph is given by the formula .How many minutes does the journey take when the speed is 40mph?
The cost of hiring the car for a journey of 420km is $
5) A driver who works r hours of overtime has his wage w given by the formula
w = 2r + 5.9. What is the wage of a driver who works 10 hours overtime?
The wages of a driver who works 10 hours overtime =$
6) The cost c of hiring a car for a journey of dkm is given by the formula
c = 5d + 85. Find the cost of hiring the car for a journey of 420km.
The cost of hiring the car for a journey of 420km is $
7) The consumption pattern of a family in a week is given by the formula.
d = 45 +180n, where d is the cost in dollars and n is the number of people in the family. Find the weekly cost for a family of 5 people.
The weekly cost for a family of 5 people is $
8) The formula for the sum of interior angles of any polygon is S = 180(n – 2), where n is the number of sides of the polygon. What is the sum of interior angles of a polygon with twelve sides?
The sum of interior angles of a polygon with twelve sides is ^{0}
9) When a stone is dropped from the top of a tower, the distance s metres it falls in t seconds is given by s= 10t^{2}. Find how far it falls in 3 seconds.
It will fall m in 3 seconds.
10) The formula for simple interest (S.I) = PRT%, gives the interest on a principal invested (P) at the rate of r% per year.
a) Find the amount of simple interest charged on a loan of $500 at a 3% for 5 years.
b) Find the amount of simple interest charged on a loan of $1,000 at a 3% rate for 2 years.
a)The amount of simple interest charged on a loan of $500 at a 3% rate for 5 years is $
b) The amount of simple interest charged on a loan of $1,000 at a 3% rate for 2 years is $