Answer:
At the end of the 2 year, the book value of the truck is $12,600
Step-by-step explanation:
we know that
<u><em>Double declining balance method</em></u> is a form of an accelerated depreciation method in which the asset value is depreciated at twice the rate it is done in the straight-line method.
Step 1
Determine the straight-line depreciation rate
Divide the total cost by the number of years in the asset's useful life.

Step 2
Then, multiply that number by 2 and that is your Double-Declining Depreciation Rate
-----> is the depreciation for Year 1
Step 3
At the end of the first year, the book value of the truck is

Step 4
For Year 2, we will apply the same formula to the book value of the truck by the end of Year 1

-----> is the depreciation for Year 2
therefore
At the end of the 2 year, the book value of the truck is

Check the picture below.
bearing in mind the a solution is where both graphs intersect.
Answer:
6 inches.
Step-by-step explanation:
Let a represent side length of larger square.
We know that area of square is square of its side length, so area of the larger square will be
.
The area of smaller square would be
.
We will use proportions to solve our given problem.



Cross multiply:



Take square root:


Since the length cannot be negative, therefore, the side length of larger square is 6 inches.
To solve, simply layout an equation.
(2x+3)(x+4)=1
Step 1: Simplify both sides of the equation.
2x2+11x+12=1
Step 2: Subtract 1 from both sides.
2x2+11x+12−1=1−1
2x2+11x+11=0
Step 3: Use quadratic formula with a=2, b=11, c=11.
x=-b±√b^2-4ac/2a
So, the answer for this problem is:
x=-11/4+1/4√33 or -11/4+-1/4√33