The system ax-by=-16 and ax+2y=20 has one solution at the point (3,4). Find a and b. (a=4,b=7)
1 answer:
You might be interested in
Given:
Principal = Rs. 6000
Rate of simple interest = 6% per annum.
Time = 4 years
To find:
The simple interest and amount.
Solution:
Formula for simple interest:
Where, P is principal, r is the rate of interest and t is the number of years.
Putting P=6000, r=6 and t=4, we get
Now,
Therefore, the simple interest is Rs. 7440 and the amount is Rs 7440.
Answer:
The given equation is NOT justified.
Step-by-step explanation:
Here, the given equation is =
Now, here Consider the left hand side and simplifying the left side by operating on the like terms,
⇒ =
=
Here, Left side of equation ≠ Right side of the equation
Hence, ≠