Applying What You’ve Learned Accumulated interest. Repeat Exercise 43, but now assume that the purchase is for $ 1 , 450 and the annual interest rate is 24 % . 43. Accumulated interest. Home Depot advertises 0 % financing for 3 months for purchases made before the new year. The fine print in the advertisement states that if the purchase is not paid off within 3 months, the purchaser must pay interest that has accumulated at a monthly rate of 1.75 % . Assume that you buy a refrigerator for $ 1 , 150 and make no payments during the next 3 months. How much interest has accumulated on your purchase during this time?
Applying What You’ve Learned Accumulated interest. Repeat Exercise 43, but now assume that the purchase is for $ 1 , 450 and the annual interest rate is 24 % . 43. Accumulated interest. Home Depot advertises 0 % financing for 3 months for purchases made before the new year. The fine print in the advertisement states that if the purchase is not paid off within 3 months, the purchaser must pay interest that has accumulated at a monthly rate of 1.75 % . Assume that you buy a refrigerator for $ 1 , 150 and make no payments during the next 3 months. How much interest has accumulated on your purchase during this time?
Solution Summary: The author explains how to calculate the finance charge for an installment loan, based on the purchase amount and interest rate.
Accumulated interest. Repeat Exercise 43, but now assume that the purchase is for
$
1
,
450
and the annual interest rate is
24
%
.
43. Accumulated interest. Home Depot advertises
0
%
financing for
3
months for purchases made before the new year. The fine print in the advertisement states that if the purchase is not paid off within
3
months, the purchaser must pay interest that has accumulated at a monthly rate of
1.75
%
. Assume that you buy a refrigerator for
$
1
,
150
and make no payments during the next
3
months. How much interest has accumulated on your purchase during this time?
A: Tan Latitude / Tan P
A = Tan 04° 30'/ Tan 77° 50.3'
A= 0.016960 803 S CA named opposite to latitude,
except when hour angle between 090° and 270°)
B: Tan Declination | Sin P
B Tan 052° 42.1'/ Sin 77° 50.3'
B = 1.34 2905601 SCB is alway named same as
declination)
C = A + B = 1.35 9866404 S CC correction, A+/- B:
if A and B have same name - add, If
different name- subtract)
=
Tan Azimuth 1/Ccx cos Latitude)
Tan Azimuth = 0.737640253
Azimuth
=
S 36.4° E CAzimuth takes combined
name of C correction and Hour Angle - If LHA
is between 0° and 180°, it is named "west", if
LHA is between 180° and 360° it is named "east"
True Azimuth= 143.6°
Compass Azimuth = 145.0°
Compass Error = 1.4° West
Variation 4.0 East
Deviation: 5.4 West
A: Tan Latitude / Tan P
A = Tan 04° 30'/ Tan 77° 50.3'
A= 0.016960 803 S CA named opposite to latitude,
except when hour angle between 090° and 270°)
B: Tan Declination | Sin P
B Tan 052° 42.1'/ Sin 77° 50.3'
B = 1.34 2905601 SCB is alway named same as
declination)
C = A + B = 1.35 9866404 S CC correction, A+/- B:
if A and B have same name - add, If
different name- subtract)
=
Tan Azimuth 1/Ccx cos Latitude)
Tan Azimuth = 0.737640253
Azimuth
=
S 36.4° E CAzimuth takes combined
name of C correction and Hour Angle - If LHA
is between 0° and 180°, it is named "west", if
LHA is between 180° and 360° it is named "east"
True Azimuth= 143.6°
Compass Azimuth = 145.0°
Compass Error = 1.4° West
Variation 4.0 East
Deviation: 5.4 West
Direction: Strictly write in 4 bond paper, because my activity
sheet is have 4 spaces. This is actually for maritime.
industry course, but I think geometry can do this.
use nautical almanac.
Sample Calculation (Amplitude- Sun):
On 07th May 2006 at Sunset, a vesel in position 10°00'N
0 10°00' W observed the sun bearing 288° by compass. Find
the
compass error.
LMT Sunset
07d
18h
13m
(+)00d
00h
40 м
LIT:
UTC Sunset:
07d
18h
53 m
added - since
longitude is
westerly
Declination Co7d 18h): N016° 55.5'
d(0.7):
(+)
00-6
N016 56.1'
Declination Sun:
Sin Amplitude Sin Declination (Los Latitude
- Sin 016° 56.1'/Cos 10°00'
= 0.295780189
Amplitude = WI. 2N (The prefix of amplitude is
named easterly if body is rising.
and westerly of body is setting.
The suffix is named came as
declination.)
True Bearing: 287.20
Compass Bearing
288.0°
Compass Error: 0.8' West
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