Answer:
Kate finished the race in 52 seconds
Alexia finished the race in 58 seconds
Trina finished the race in 49 seconds
Step-by-step explanation:
From this work problem we can set up these series of equations:
First we need to create only one variable in the first equation in order to solve it, so we can substitute in the other equations into the first one. That would look like this
Then we can simplify this
Now that we solve for Kate's time, we can use the other 2 equations to find the times of Alexia and Trina
Using the equation for Alexia's time and plugging in Kate's time gives us
Using the equation for Trina's time and plugging in Kate's time give us
Answer:
Step-by-step explanation:
The eccentricity of an ellipse is given by:
The given ellipse has equation:
We can rewrite this equation in standard form to obtain:
We compare to the general standard form equation:
to get:
We substitute into the eccentricity formula to get:
The eccentricity is 0.66 to the nearest hundredth
Answer:
Good
Step-by-step explanation:
What is your question?
Just type it in the comments
Answer:
Step-by-step explanation: 2 x2 =4
i am guessing it means 2 to the power of 2
Answer:
Tonya will pay the amount $45,000 as an interest to the bank.
Step-by-step explanation:
Principal Value(P) = $60,000
Rate of interest(R) = 5%
Time(T) = 15 years
Simple Interest =
⇒ S.I. =
= $45,000
So, Tonya will pay the amount $45,000 as an interest to the bank.