PLEASE HELP WITH THIS!!
2 answers:
Answer:
$23985
Step-by-step explanation:
Given : Cost of car = $22000
The options he chooses add $625.00 to its cost.
The car license and registration together cost $40.00.
The state where he lives has a 6% sales tax.
To find: What is the total cost of the car?
Solution:
Cost of car = $22000
The state where he lives has a 6% sales tax.
So, cost including sales tax =
=
The options he chooses add $625.00 to its cost.
The car license and registration together cost $40.00.
So, Total cost = $23320+$625.00+$40.00. =$23985
Hence the total cost of the car is $23985.
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Answer:
(a)
(b) L reaches its maximum value when θ = 0 because cos²(0) = 1
Step-by-step explanation:
Lambert's Law is given by:
(1)
(a) We can rewrite the above equation in terms of sine function using the following trigonometric identity:
(2)
By entering equation (2) into equation (1) we have the equation in terms of the sine function:
(b) When θ = 0, we have:
We know that cos(θ) is a trigonometric function, between 1 and -1 and reaches its maximun values at nπ, when n = 0,1,2,3...
Hence, L reaches its maximum value when θ = 0 because cos²(0) = 1.
I hope it helps you!