Algebra Answers

Find the domain and range Of the function
f(x)=x-1/x-5 ,x is not equal to 5

Moosa can wash 6 windows in 21 minutes.
How many minutes will it take him to wash 10 windows?

Lerato is earning R18 per hour making pancakes.
How much is she earning in cents per second?

Solve each system by elimination. Indicate the POI.

A. -x - 2y = -1

B. x + 3y = -2

1. A fair six sided die is rolled followed by a fair coin flip. Please find the following:

(a) Use the multiplication principle to determine the number of outcomes in this experiment.
(b) Write the sample space below
(c) Find the probability of (please leave your solutions as unsimplified fractions)
i. the coin landing tails.
ii. the die rolled a 2
iii. a two is rolled or the coin lands tails
iv. a two is rolled and the coin lands tails.



2. Two distinct six sided die are rolled. The sum of the pips facing up is recorded.

(a) Use the multiplication principle to determine the number of outcomes in this experiment.
(b) Write the sample space below
(c) List the events from the Sample Space .
(d) Find the probability of . . . (Please leave your solutions as unsimplified fractions) (1pt each)
i. sum is 4
ii. sum is 11
iii. sum ≥ 5
iv. sum ≤ 10
v. sum ≥ 5 or sum ≤ 10
vi. sum ≥ 5 and sum ≤10
vii. sum = 5 or sum = 10
viii. sum = 5 and sum = 10

Multiply by 10 and express the result in Chinese rod numerals. Describe a simple rule for multiplying any Chinese rod numerals by 10; by .

Arrange the fractions from big to small:
2/3,2/4,2/5,2/6
2/5,3/5,4/5