Answer:
no solution
Step-by-step explanation:
If first equation is divided by 2 and the second equation is divided by 3, we get two equations 2x+y=3 and 2x+y= 4. These two lines are parallel and there cannot be any solution to the system
Step-by-step explanation:
dear by changing the sign by elimination method everything gets cancelled
Answer:
all real numbers
Step-by-step explanation:
The function f(x) = 3|x +4| +1 is defined for all values of x. Its domain is <em>all real numbers</em>.
Answer:n=-2 or n=4
Step-by-step explanation:
Q is not inversible if det(Q)=0

Just plug in 500 for p, 0.2 for r (because 20% is equivalent to 0.20), and 2 for t:

So, if you start with $500 and charge an interest rate of 20% for 2 years, you will gain $200 to get $700 in total.