Algebra Answers

Substitution Method; 1. 3x-6y=4; 5x-5y=2 2. 2x+3y=3;4x-6y=4

A. Elimination Method; 1. 2x-5y = 9; 3x+4y = 6 2. 3x+4y= 3; 4x-5y=5

3/x+3-2x-6/x^-9x

It is required that the production cost must be less than R 123 505. Determine the possible number of devices that will be produced. Show your solution graphically. Use interval notation and indicate the restriction on the number type of your answer. Interpret your answer.​

The corona disease has been led to many deaths per week increases by 9.2% every week.Suppose this trend does not change and 82 deaths have been recorded this week.Determined the number of deaths that: a)were recorded 4 weeks ago b) will be recorded in 3 weeks time c) will be recorded in 6 weeks time

      (i)    𝑦= 2𝑥² + 12𝑥 + 18

 10 cats caught 10 rats in 10 seconds. How many cats are required to catch 100 rats in 100 seconds? 

12 students have appeared in the exam in which the top four will get a prize. How many possible ways are there to get the prize winners?

For the function f (x)= 1-(1)/(x+2)^(2),find the following:

(i)f(-x) (ii)f(x +k)

A tortoise moves at 0.5 m/s and hare moves at 6m/s if they decided to have a race over a straight 500m course how far be lined the hare will the tortoise be when the hare crosses the finish line?