Algebra Answers

Two towns P and Q are 144km apart by rail and 150km by road .A car takes t hours for the journey from P and Q and a train takes 24 minutes longer.
(a)Write down, in terms of t, expressions for the average speed of
the car and the train
(b)If a train average is 15kmh^-1 less than the car for the journey, write down an equation in t.
(c)By solving your equation in (b), find the average speed of the car and of the train

1(a) A number is written as 37 in base.Twice the number is written as 75 in base x.Find the value of x
(B)A garden ,in front of a square is surrounded by a path which is 1m wide on two opposite sides and 1/2m wide on the two opposite sides.If the area of the path is 17m^2,

calculate the :
1.perimeter of the garden
2.area of the space covered by the garden and the path

It takes Sata 5 minutes to fly 35 miles with the wind. It takes him 7 minutes to fly 35 miles against the wind. Determine the speed of Santa's sleigh in the air(x) and the speed of the wind(y)

Felipe is a software salesman. His monthly salary is $1800 plus an additional $110 for every copy of Math is Fun he sells. Let S represent his total salary this month (in dollars), and let N represent the number of copies of Math is Fun he sells. Write an equation relating S to N, and then graph your equation using the axes below.

According to Hooke’s law, the force F (in pounds) required to stretch a certain spring x inches
beyond its natural length is given by
F  (4.5)x
. If
10  F 18
, what are the corresponding
values for x?

3(10^-x)+1=10

If you are given y=2cos3x. what do you do. i mean how do you change your graph from base graph? what do you do with the 2 and 3?

a colony of ants carried away 26 of your muffins. that was 2/3 of them. how many are left?

what is four and one third divided by 13

8x - 3= 1/4 [x + 16]< x + 10