Rectangular field has a total perimeter of 128 feet. The width is
2 answers:
Answer:
Step-by-step explanation:
The width (w) = l - 24
The length (l) = l
The perimeter (P) = 128
The shape is a rectangle. Use the formula for the perimeter of a rectangle.
P = 2w + 2l
Plug in the values.
128 = 2(l - 24) + 2l
Solve for l.
Expand brackets.
128 = 2l - 48 + 2l
Combine like terms
128 = 4l - 48
Add 48 on both sides.
176 = 4l
Divide both sides by 4.
44 = l
Apply formula again.
P = 2l + 2w
Solve for w.
Subtract 2w and P on both sides.
-2w = 2l - P
Divide both sides by -2.
w = -l + P/2
Plug in the values for l and P, solve for w.
w = -(44) + 128/2
w = -44 + 64
w = 20
The length is 44 feet.
The width is 20 feet.
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Step-by-step explanation:
Answer:
a)
b)
The total amount accrued, principal plus interest, from compound interest on an original principal of $ 4,200.00 at a rate of 3.6% per year compounded 12 times per year over 10 years is $5667.28.
Step-by-step explanation:
a. Write the function that represents the value of the account at any time, t.
The function that represents the value of the account at any time, t
where
P represents the principal amount
r represents Annual Rate
n represents the number of compounding periods per unit t, at the end of each period
t represents the time Involve
b) What will the value be after 10 years?
Given
The principal amount P = $4200
Annual Rate r = 3.6% = 3.6/100 = 0.036
Compounded monthly = n = 12
Time Period = t
To Determine:
The total amount A = ?
Using the formula
substituting the values
$
Therefore, the total amount accrued, principal plus interest, from compound interest on an original principal of $ 4,200.00 at a rate of 3.6% per year compounded 12 times per year over 10 years is $5667.28.