In Problems 79-82, assume that the annual interest rate on a credit card is 25.74 % and interest is calculated by the average daily balance method. The unpaid balance at the start of a 28 -day billing cycle was $ 955.13. A $ 5 , 000 purchase was made on the first day of the billing cycle and a $ 50 payment was credited to the account on day 21 . How much interest will be charged at the end of the billing cycle?
In Problems 79-82, assume that the annual interest rate on a credit card is 25.74 % and interest is calculated by the average daily balance method. The unpaid balance at the start of a 28 -day billing cycle was $ 955.13. A $ 5 , 000 purchase was made on the first day of the billing cycle and a $ 50 payment was credited to the account on day 21 . How much interest will be charged at the end of the billing cycle?
Solution Summary: The author calculates the interest that will be charged at the end of the billing cycle by the average daily balance method.
In Problems 79-82, assume that the annual interest rate on a credit card is
25.74
%
and interest is calculated by the average daily balance method.
The unpaid balance at the start of a
28
-day billing cycle was
$
955.13.
A
$
5
,
000
purchase was made on the first day of the billing cycle and a
$
50
payment was credited to the account on day
21
. How much interest will be charged at the end of the billing cycle?
Question 2
A nickel-titanium alloy is used to make components for jet turbine aircraft engines. Cracking is a potentially
serious problem in the final part because it can lead to nonrecoverable failure. A test is run at the parts producer
to determine the effect of four factors on cracks. The four factors are: pouring temperature (A), titanium content
(B), heat treatment method (C), amount of grain refiner used (D). Two replicates of a 24 design are run, and
the length of crack (in mm x10-2) induced in a sample coupon subjected to a standard test is measured. The
data are shown in Table 2.
1
(a) Estimate the factor effects. Which factor effects appear to be large?
(b) Conduct an analysis of variance. Do any of the factors affect cracking? Use a = 0.05.
(c) Write down a regression model that can be used to predict crack length as a function of the significant
main effects and interactions you have identified in part (b).
(d) Analyze the residuals from this experiment.
(e) Is there an…
Show the steps
The correct answer is C,i know that we need to use stokes theorem and parametrize the equations then write the equation F with respect to the curve but i cant seem to find a way to do it, the integral should be from 0 to 2pi but i might be wrongcould you show me the steps to get to 18pi
Chapter 3 Solutions
Finite Mathematics for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
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