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Fractions and Percentages

Simulation

Mathematics, topic: Simulation from book Quantitative Methods for master program at Strayer University; see attachment for scans.

percentage increase of price

The price of a notebook was $3.10 yesterday. Today, the price rose to $3.60. Find the percentage increase. Round your answer to the nearest tenth of a percent.

Corelation - The data below shows the number of registered automatic weapons, in thousands, and the murder rate, in murders per 100,000, for eight randomly selected states. a. Determine the correlation coefficient between the number of automatic weapons and the murder rate. b. Find the equation of the regression line. c. Approximately what murder rate can we anticipate in a state that has 14 thousand registered weapons? ...

The data below shows the number of registered automatic weapons, in thousands, and the murder rate, in murders per 100,000, for eight randomly selected states. a. Determine the correlation coefficient between the number of automatic weapons and the murder rate. b. Find the equation of the regression line. c. Approximately w

Algebra Exercises- Percentage, fraction and growth rates.

Section 1.2 Diversification. Helen has of her portfolio in U.S.stocks, of her portfolio in European stocks, and of her portfolio in Japanese stocks. The remainder is invested in municipal bonds. What fraction of her portfolio is invested in municipal bonds? What percent is invested in municipal bonds? Section 1.3 Net

simplify exponent and radical expressions

Please see the attachment for equations. 1. Apply the rules of exponents to simply the following: 2. Write each of the following in a radical form: a) (3x)^(1/5) 3. express each of the following in exponent form. 4. simplify the radical expressions 5. For each of the following fractional terms, multiply the numerator and de

Loaning to Buy a Car

Suppose you can afford a monthly car payment of $450.00 and can get a loan for 5 years at 7.5%. What priced car can you afford?

Proof with partial fractions

Please see attached. Let an be the coefficient of x^n in the series expansion, in ascending powers of x, of...where |x|<1. Show, using partial fractions, that either an=n+1 or an=n+2 according to the value of n.

Determine upper and lower control limits

1. The overall average on a process you are attempting to monitor is 49 units. The process standard deviation is 1.52. Determine the upper and lower control limits for a mean chart, if you choose to use a sample size of 5. Set z=3. UCLx = ____________ LCLx = ____________ Round your answers to 2 decimal places; for examp

Rate, Percentages, and Fractions

Can someone please help me out with these problems by explaining them one by one and step-by-step. 1. If a person drives 2/3 of a 66-mile trip, how much did he drive? A. 42 miles B. 46 miles C. 44 miles D. 22 miles 2. If Al has 25 neckties and 20% of the neckties are red, how many red neckties does Al have? A. 5 B.

Maths Unit Price Problems

(a) Divide 210.8 / 34 (b) Write 0.26 as a common fraction or mixed number (c) Find the unit price for the item: $6.24 for a dozen pears. (d) Automobiles and small trucks account for 84% of the travel to and from work in the United States. ... [See the attached Question File.]

Operations, Estimation, place value

Please see attachment for proper formatting of the table. Exercises help for homework 2, 4, 24, 34, 72, For the decimal 8.57032: 2. What is the place value of 5? 4. What is the place value of 2? Exercises 34. Arrange in order from smallest to largest. 2.05, 25, 2.0513, 2.059, 251, 2.0515, 2.052, 2.0

Basic Math Decimal Values

See attached Question 1 Subtract. Use borrowing, if necessary. 6526 -2471 Question 2 Round the decimal to the given place value. 6.66 (nearest tenth) Question 3 Write the fraction. There are 100 centimeters in a meter. What fractional part of a meter does 7 centimeters r

Mixture problems in milk

17. A container is partially filled with 12 liters of whole milk containing 4% butterfat. How much 1% milk must be added to get a mixture that is 2% butterfat? 18. An 80-pound grass seed mixture is 30% bluegrass seed. How many pounds of seed containing no bluegrass seed (0%) should be added to the seed mixture for a resultin

Write each of the following ratios in simplest form.

Write each of the following ratios in simplest form. 8. The ratio of 5 3/5 to 2 1/10 24. The ratio of 7 dimes to 3 quarters is 34. Crafts. Marc took ...there is moreshow problemWrite each of the following ratios in simplest form. 8. The ratio of 5 3/5 to 2 1/10 24. The ratio of 7 dimes to 3 quarters is

Write each of the following ratios in simplest form.

Write each of the following ratios in simplest form. 8. The ratio of 5 3/5 to 2 1/10 24. The ratio of 7 dimes to 3 quarters is 34. Crafts. Marc took 3 hours (h) to mow a lawn while Angelina took 150 minutes(min) to mow the same lawn a week earlier. Write the ratio of Marc's time to Angelina's time as a rat

Rational expressions and fractions

Can you please answer the following questions showing the work on how you got the answer so that I can understand this... 1/6-5/6= q-1/q-4 - 3q-9/q-4= m/5+m= 4/a-b + 4/b-a= 1/2 + 1/4x divided by x/3- 1/12x=

Cost of Goods Sold

Using the following data, compute cost of goods sold: Inventory, December 31------- $ 45,000 Inventory, January 1--------- 52,000 Cash, December 31----------- 10,000 Purchases during the year-- 255,000 Sales during the year------ 480,000.

Geometric sequences, Gauss-Jordan, and fraction perations

1. Find the sum of the first five terms of the geometric sequence. A=3, r=2 2 a. 93 b. 5 c. 1 d. 93 2 2 2. Use the Gauss-Jordan method to solve the system of equations. x - y + 3z = 16 3x + z = 4 x + 2y + z = -4 a. No solution b. (4, 0, -4)

Reduce each rational expression to lowest terms.

Reduce each rational expression to lowest terms. Assume that the variables represent only numbers for which the denominators are nonzero. Please see the attached file for the fully formatted problems.

Percentages : Plant Efficiency and Capacity

6. If a plant was designed to produce 7,000 hammers per day but is limited to making 6,000 hammers per day because of time needed to change equipment between styles of hammers, what is the utilization? Format as xx.x% (include the % sign.) 7. For the past month, the hammer plant in the above problem, which has an effective ca

Hypothesis Testing and Two-Tailed Tests

In the year 2000, the state of Indiana began a $40-million renovation of its state fairgrounds, which included the building of a miniature golf course and a state-of-the-art livestock building. Now, Indiana officials are interested in learning what sorts of people are visiting the new attractions. In a survey done at this year's