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# Fractions and Percentages

### When a pair of dice is rolled, the total will range from 2 (1,1) to 12 (6,6). It is a fact that some numbers will occur more frequently than others as the dice are rolled over and over.

4. When a pair of dice is rolled, the total will range from 2 (1,1) to 12 (6,6). It is a fact that some numbers will occur more frequently than others as the dice are rolled over and over. A. Why will some numbers come up more frequently than others? B. Each die has six sides numbered from 1 to 6. How many possible ways can a

### Corporate Finance : Liquidity Ratio, Collection Period, Inventory Turnover, Leverage Ratios, Du Pont Identity, Payables and Market Value

ASee attached file for full problem description. I am needing help answering the circled questions: 1-10 and 13 1, Calculating Liquidity Ratios. SDJ, Inca, has net working capital of \$900, current liabilities of \$4,320, and inventory of \$ 1 ,900. What is the current ratio? What is the quick ratio? 2. Calculating Profit

### do not represent rational numbers.

Show that 2^1/3, 5^1/7, and 13^1/4 do not represent rational numbers.

### Mutually Exclusive

Consider the estimates below. If the alternatives are mutually exclusive and the MARR is 15% per year, the one(s) that shoild be selected is (are) ? Incremental Rate of Return, %, when Initial Alternative Compared with Alte

### Converting the Sum of Binary Numbers into A Decimal Number

The sum of the binary numbers (1101001) and 0101100 results in the decimal equivalent of...?

### Statistics : Sampling of Waybills, Percentage Errors

The Chesapeake and Ohio Freight Study A sample of 2072 waybills from a population of 22,984 waybills was used to estimate the total revenue due C&O. The estimate arrived at was \$64,568. Because all 22,984 waybills were avaliable, a census could be taken to determine exactly the total revenue due C&O and thereby reveal the a

### Laurent series for a complex-valued function

Consider f(z) = [(z-i)(z+4)(z-3)]^(-1) restricted to the domain of definition 0 < |z|< infinity How many different Laurent series centered at z_0 = 0 does it have? Explain. Discuss the convergence and divergence sets of each of those Laurent series. Find two non-zero terms of the Laurent series which represents this

### MiniMax and Decision Tree Payoff Questions

For the attached problem, I need help with c, d, and e. For a) I get Decision B For b) I get Decision C The answers for c, d, and e were shown in class to be as follows, but I need to see how they were obtained: c) Decision A d) EV(A)= 695 (best) EV(B)= 385 EV(C)= 500 e) EVPI=230 Please show m

### MiniMax and Decision Tree Payoff Questions

I have 3 individual questions related to a class lecture that we had on Payoff Alternatives and Regret. These questions should be VERY simple, and probably take less than 2 minutes to answer. 1. Is it true that the payoff at the end of a decision tree represents everything along the path leading to that end? 2. Are the s

### Addition and Substraction of Fractions

This is for OTA #101733 only! 1. Find the LCM of 16 and 40. ____a. 40 __x_b. 80 ____c. 120 ____d. 640 2. Add and Simplify: 4/5+3/4 ____a. 7/20 ____b. 7/9 _x__c. 31/20 ____d. 17/9 3. Subtract and simplify: 8/15-2/9 _x__a. 2/45 ____b. 16/135 ____c. 40/135 ____d. 14/45 4. Whic

### Addition and Substraction of Fractions

This is for OTA #101733 only? 1. Find the LCM of 16 and 40. ____a. 40 __x_b. 80 ____c. 120 ____d. 640 2. Add and Simplify: 4/5+3/4 ____a. 7/20 ____b. 7/9 _x__c. 31/20 ____d. 17/9 3. Subtract and simplify: 8/15-2/9 _x__a. 2/45 ____b. 16/135 ____c. 40/135 ____d. 14/45 4. Which of the follow

### Simplyfying complex rational expressions.

Can someone explain how to simplify a complex rational expression?

### Imaginary ( Complex ) Numbers, Discriminants and Real World Applications

1. When solving a quadratic equation using the quadratic formula, it is possible for the b2 - 4ac term inside the square root (the discriminant) to be negative, thus forcing us to take the square root of a negative number. The solutions to the equation will then be complex numbers (i.e., involve the imaginary unit i). Question

### Ratios and Equal Ratios

How do we use ratios and of what value is it? How would I figure out equal ratios? Give examples. Thanks

### Key Metrics and Ratios for Abercrombie and Fitch Company

Using Abercrombie and Fitch Company (data attached): You are interested in learning moe about from an investment standpoint. Identify KEY METRICS and RATIOS of the company that will give a good indication of how "investment worthy" it is. 1) List the key financial metrics and ratios for Abercrombie and Fitch for that comp

### Basic Business Statistics : Frequency Distributions and Percentages (7 Problems)

19. The data displayed below represent monthly phone bills for a random sample of small business customers. 208 133 165 179 258 212 178 178 209 212 150 198 137 258 277 145 234 176 209 220 209 160 151 279 177 199 212 188 162 125 221 147 215 245 198 245 275 180 203 226 Which of the following would be the most appropriate

### Interpret the Data Given - Women in the Army

See the attached file. Given the information below (and attached), please determine: Are women being denied the opportunity to join the Army because they are too short or too tall? If the required women's height for the Army is between 58 and 80 inches. The Mean = 63.3, and the SD = 2.5 What percentage of women meet

### Key Financial Ratios that Measure Stability of a Company: How investors assess the stability of a public company? What are the key financial ratios that measure the stability of an organization? Define stability. Calculate these ratios per the attached file using Excel spreadsheet.

How investors assess the stability of a public company? What are the key financial ratios that measure the stability of an organization? Define stability. Calculate these ratios per the attached file using Excel spreadsheet. File attached for a analysis of financial ratios for the company. Balance Sheet as of December

### Cube with a Sphere Inside: Percentage of Empty Space

A sphere fits exactly inside of a cubical box. (The sphere is tangent to all six faces of the cube). The remaining space inside of the box is filled with coke. What percentage of the box is filled with coke?

### Exchange Rates in Other Quotation Format

You have the following exchange rates available: FF 5.8860 per US \$ GM 1.7558 per US\$ US\$ 1.6327 per British Pound(BP) a) Determine the above rates in other quotation format (i.e. if above rates are quoted indirectly,calculate direct quotation,and vice versa) Please provide your answer in proper manner ( i.e. XX per YY).

### Reduction of Mail Float: Net Savings

Pronet has annual sales of \$724 million from its 600 retail stores. Pronet can reduce its mail float by 2 days through the use of wire transfers. The annual cost of the wire transfers is expected to be \$105,610. If Pronet's cost of short-term funds is 9.75 percent, should the change to wire transfers be made? Assuming 365 days p

### Percentage calculation with negative and positive numbers.

I need to know the answer and formula for the following in 2003 the store had a negative sale day of -\$873 in 2004 the same store had a positive result of \$2680 What is the percent of increase from the negative to the positve?

### Prove that positive real numbers correspond bijectively.

Please see the attached file for the fully formatted problems. Here is the problem: Prove that positive real numbers correspond bijectively to decimal expansions not terminating in an infinite string of 9's as follows. The decimal expansion of is where N is the largest integer smaller than is the largest integer is th

### Percents Example Problem

You take a job that pays \$25,000 annually. (a) How much do you earn n years from now if you receive a three percent raise each year? (b) How much do you earn n years from now if you receive a five percent raise each year? (c) How much do you earn n years from now if each year you receive a raise of \$1000 plus two percen

### Find the interest

Find the interest earned at the end of the first year on 8,400.00 invested at 4% interest

### COLA Adjustment effect on Salary

Alan's annual salary is \$20,040. Next month he will receive a 5.5% cost of living adjustment and a 4% merit increase. What will be his new annual salary? a.\$22,338 b.\$21,943.80 c.\$23,263.00 d.\$21,22.00 e.not given

### Terminating and Repeating Decimals

State whether each of the following fractions is a terminating or repeating decimal. If the decimal terminates, state the number of decimal places and show how you decided. If the decimal repeats, write the decimal representation of the fraction. A. 12/13 B. 6/ 2^2 x 5^7 x 3 (there are no brackets in this questions and th

### Word Problems : Percentages

A. In five years the price of a house in Vancouver is expected to be about 164% of today's price. If the trend continues, what percent of today's price would you expect the price of a house to be in 15 years? B. The sum of two numbers is 24. One number is increased by 50% while the other is decreased by 50%. The sum of the tw

### Fractions, Percentages

1. What per cent of 80 is 16? 2. How do you find prime numbers up to 50?

### Equivalence Relation on the set R of all Real Numbers

Show that == (where == is the equivalence relation defined below) is an equivalence on A, and find a (well-defined) bijection %: A== -> B, where (a) A = R (the set of all real numbers) (b) B={x: x is an element of R and 0 <= x < 1} (c) for real numbers x and y, "x==y" (x is equivalent to y) if and only if x - y is an e