Answer:
The product of two rational numbers is a rational number
Step-by-step explanation:
I'll quickly recap the proof: a rational number is, by definition, the ratio between two integers. So, there exists four integers m,n,p,q such that
If we multiply the fractions, we have
Now, mp and nq are multiplication of integers, and thus they are integers themselves. So, ab is also a ratio between integer, and thus rational.
Step-by-step explanation:
To plot (1,-3), start at the origin (0,0) and move right 1 unit and down 3 units.
hope it helps.
Answer:
$670,000
Step-by-step explanation:
From the question, Maha sold her house and was charged $13,400 for the commission. We want to determine the sales price of the house.
Let the sale price of the house be $ x.
Then 2% of the sales price should give us 13,400
This implies that:
Divide both sides by 0.02 to get:
Therefore the sales price of the house is $670,000