Answer:
B: 4 solutions
Step-by-step explanation:
Combining the two equations results in 2x² = 52, or x² = 26.
This equation has two solutions: x = ±√26.
As before, x² = 26. If we substitute 26 for x² in the 1st equation, we get:
26 - 4y² = 16, or 4y² = 10, or y = ±√5/2. Again: two solutions.
If we take x to be +√26, y could be ±√(5/2).
Check: is ( √26, √(5/2) ) a solution of the system?
Subbing these values into the first equation, we get:
26 - 4(5/2) = 16. Is this true?
Then 10 = 10. Yes.
Through three more checks, we find that this system has FOUR solutions.
Answer:
yes
there would be 7525 runners
Step-by-step explanation:
The formula for calculating future value:
FV = P (1 + r) n
FV = Future value
P = Present value
R = interest rate
N = number of years
6500 x (1.05)^3 = 7525 runners
Answer:
Step-by-step explanation:
the formula used for any interest other then continuously is
A=P(1+r/n)^nt
so... r=rate in decimal form ONLY n=how often interest is paid t=time passed
A=3000(1+.08/1)^(1)(5) = annually
A=3000(1+.08/2)^(2)(5)
A=3000(1+.08/4)^(4)(5)
use you calculator to get the answer
it is good practice to use your calculator now because soon you will be using it for population questions and those need to be entered very carefully.
Only the first choice is correct.
sorry about my previous comments; they were from misunderstanding.
1st it: g(2)=3(2)=6 || 2nd it: g^2(2)=3(6)=18 || 3rd it: g^3(2)=3(18)=54
