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According to the study of 200 samples of ground meats, the probability that one of samples was contaminated by salmonella was .30. The probability that a salmonella-contaminated sample was contamina
Prove that if p is a prime such that p = 1 mod 3, r is the primitive root modulo p, and a = r^(p-1)/3, then 1, a, a^2 give solutions to x^3= 1 mod p which are distinct modulo p.
The Athletic Sports Store has the beginning receivables balance upon January 1 of $410. Sales for January through April are $440, $480, $690, and $720, respectively. The accounts receivable period
In the certain year, the number of girls who graduated from the City High School was twice the number of boys. If 3/4 of the girls and 5/6 of boys went to college immediately after graduation, what
Compute the equation of the plane which haves the point (2, -2, 1) and is perpendicular to the line with the parametric equations x = t -1, y = 3t + 2, z = t+1. Determine the parametric equations fo
A woman took the certain number of eggs to market and sold some of them. The next day, through the industry of her hens, the number left over had been doubled, and she sold same number as the previo
The measure of height of box with square base is twice the measures of the sides of base of the box. If the volume of box is 128 cubic cm, determine the dimensions of the box.
There is a 30% chance of rain today and 50% chance of rain tomorrow. Suppose that the event that it rains today is independent of the event that it rains tomorrow. What is the probability that ther
Calculate the root of equation tan x = x on the interval [4,5] by using the bisection method. What happens on the interval [1,2] ? Calculate the root of equation 6 (e^x - x) = 6 + 3x^2 + 2x^3 b
Tony and Tim are two preservice teachers who have been working on this problem together. Tony claims that kate has 294 pieces of gum, but tim argues that this number cannot exist in base 7. You know
Find out the dividends per share for preferred and common stock for each year.
A nutritionist is designing the new breakfast cereal using wheat germ as well as enriched oat flour as the basic ingredients. The table below shows the nutritional information as well as costs for e
Calculate the force in each member of the loaded cantilever truss by the method of joints.
A wheel of fortune has integers from 1 to 25 placed upon it in a random manner. Describe that regardless of how the numbers are positioned upon the wheel, there're three adjacent numbers whose sum
Compute the monthly payment (excluding escrowed taxes and insurance). e. Find the total cost of interest over 15 years, to the nearest whole dollar.
The cost of home entertainment center is $4200. We can finance this by paying $700 down 20) and $163.33 per month for 24 months.
Choose any two independent vectors v1 and v2 with at the most one component equal to zero in each vector, and develop a 4X4 matrix M such that v1 and v2 are basis for the column space of M and for
Let g: T --> s be a ring homomorphism and I is any ideal of T. Show that g(I) is a subgroup of (S, +)
Analysis of cusotmer complaints at an e-commerce retailer revealed the following:
Employ coordinate vectors to test the linear independence of the sets of polynomials. Explain your work.
A job fair was held at Student Union. 25% of students who attended received job offers. Of all of students at the job fair, 40% were from the College of Business. Among these business students, 50%
Illustrate events that would be useful in analyzing this situation. Write down mathematically the probabilities that are provided above.
Determine the probability that it will be sunny on Wednesday? Determine the probability that it will be sunny on both Tuesday and Wednesday?
On January 1, 2011, Fabian Enterprises issued 9%, 10-year bonds with face amount of $900,000 at 96. Interest is payable semiannually on June 30 and December 31. The bonds were issued for an effectiv
A shipping company is purchasing new trucks. The high-capacity trucks cost $50,000 and hold 320 cases of merchandise. The low-capacity trucks cost $30,000 as well as hold 200 cases of merchandise.