This follows from the half-angle identity for cosine.
45 points! Yay An investment may earn interest using a simple interest rate or a compound interest rate. This expression can be
used to find the value of an investment that is earning simple interest: P(1+rt) This expression can be used to find the value of an investment that is earning compound interest: P(1+r)t Use the drop-down menus to complete the statements about simple and compound interest. For an investment earning(simple interest,compound interest) , the interest is applied each year to the principal and to any interest that already accrued. For an investment earning(simple interest, compojnd interest) , the interest is applied each year only to the principal. Please help I'm literally the dumbest person i know •,-,•
2 answers:
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This is a 45-90-45 triangle so in order to find the answer we have to multiply the hypotenuse, 6, by the square root of 2 or radical 2. Then multiply top and bottom by radical 2. Then simplify.
Answer:
The value of car after n years at the depreciation rate is $ 50,000 .
Step-by-step explanation:
Given as :
The cost of the car that Jill bought = $ 50,000
The depreciation rate of car value = r = 10 % a years
Let The car after n years of depreciation = $ A
Now, According to question
The cost of car after n years of depreciation = initial cost of car ×
Or, $ A = $50,000 ×
Or, $ A = $50,000 ×
Or, $ A = $50,000 ×
I.e $ A = $50,000 ×
So, value of car after n years = $ 50,000
Hence The value of car after n years at the depreciation rate is $ 50,000 . Answer