Algebra Answers

Consider given the system obtained from the augmented matrix below.

abde|cf 

What is the correct option

1. The system has infinitely many solution if a/c= b/d = e/f

2. The system has exactly one solution whenever af 6= db.

3. The system is inconsistent for af 6= ab.

4. The system has no solution if ae = bd.

5. The system has no solution if ae = bf .

2.5x+55=92

f(x)= x². What is g(x) (Btw the graphs point is (1,9)

what is the answer in 123.56 + 1001.44? With computation

At a school fundraiser, Annie purchases some t-shirts as prizes. The medium sized shirts were $4 per shirt and the large were $5 per shirt. If she ordered a total of 70 shirts with a total cost of $320, how many t – shirts were size medium?

Frank has decided to invest $8000 into two different funds. His RRSP pays interest at a rate of 9%/a, and his GASP pays at a rate of 6%/a. If he earned $615 of interest after one year, how much did he originally invest into each account?

4+2³ x 3

At 8:15 Bonita left her house to drive to the airport at an average speed of R65km/h. At 9:00 her boyfriend Bernard left Bonita's house and followed her path at an average speed of 104km/h. Bonita and Bernard arrived at the airport at exactly the same time. A linear relationship exist between the time and the distance travelled. The time is dependent on the number of kilometers travelled. Determine the distance from Bonita's house to the airport

A man spent one fifth of his money at the butchers and one third at the market. He had £5.60 left. How much did he start with

Explain what a "seventh" means in each of the following terms:

a. Ordinal number

b. Unit fraction