Answer:
Step-by-step explanation:
D(15) = 3500 -20(15)
D(15) = 3500 - 300
D(15) = 3200
In 15 hours of driving the Brown family is 3200(no unit given) away from home.
Given:
V = 324 cu cm
h = 9 cm
Since the formula for the volume of a cylinder is V = AreaBase*height
AreaBase = V/height = 324cu cm/ 9 cm
AreaBase = 113.04 square centimetres
Therefore, the area of the pillar in square centimeters is 113.04.
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If he eats 6 loaves in 8 days, that means he ate 0.75 of a loaf each day. (6 divided by 8 = 0.75)
In a 12 day trip,
# divided by 12 = 0.75;
so to undo division, you multiply.
12 x 0.75 = #
# = 9. So 9 loaves for 12 days.
Present value = 135000
Monthly interest, i = 0.06/12 = 0.005
Monthly payment, A= 869.81
Future value of loan after 16 years

[compound interest formula]


Future value of payments after 16 years



Balance = future value of loan - future value of payments
=351736.652-279288.456
= $ 72448.20
Note: the exact monthly payment for a 25-year mortgage is



Repeating the previous calculation with this "exact" monthly payment gives
Balance = 72448.197, very close to one of the choices.
So we conclude that the exact value obtained above differs from the answer choices is due to the precision (or lack of it) of the provided data.
The closest choice is therefore <span>$72,449.19</span>
Answer:

Step-by-step explanation:
{x -4y = −21
{8y - x = 45
_________

[Plug this back into both equations above to get the x-coordinate of 3]; 
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