Sophie has $40 in an account. The interest rate is 5% compounded annually. To the nearest cent, how much interest will she earn
2 answers:
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First get the tangent vectors by differentiating r1 and r2
Evaluate at t=0
Use identity for angle between 2 vectors:
Evaluate dot product and unit vectors:
Sub into identity and solve for theta:
Answer:
Angle of intersection is about 79 degrees.
Evaluate at t=0
Use identity for angle between 2 vectors:
Evaluate dot product and unit vectors:
Sub into identity and solve for theta:
Answer:
Angle of intersection is about 79 degrees.
Given the following question:
Part A:
I believe that the 12,000 tells us the orginal price of the car, or the price the car was purchased for. 12000 is the orginal price of the car.
Part B:
I believe that the 3/5 tells us the decline in value each year after the car has been purchased. Which is why t is the exponet is t was 2 you would have to multiply 3/5 by itself twice and then multiply it by 12000 which further decreases it's value. 3/5 represents the decline in value after T years.
Part C:
t = number of years
t = 3
Value of the car after three years will be 2592.