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    Fractions and Percentages

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    Percentages and Writing Equations from Word Problems

    A local company makes pigments used to color fabrics, plastics and paints. To ensure the finished product matches the customer's expectations, pigments of varying strength are blended to obtain what is called a "100% strength" commercial standard. The plant has 5000 pounds of Pigment Red 1 with strength of 123% of the standard,

    Ratios, Proportions, Percentages, Fractions and Word Problems

    Write the ratio of to 6 in simplest form. Find the unit price for the item: $6.24 for a dozen pears. Write a proportion that is equivalent to the statement: If 3 pizzas can feed 6 people, then 9 pizzas can feed 18 people Is the rate equivalent to the rate ? Solve for the unknown: Write 58% as a fraction or

    Hypothesis Testing : T-test of Multiple Regression Model and Critical Values

    T test of a multiple regression model Using observations on each variable, a computer program generated the following multiple regression model: If the standard errors of the coefficients of the independent variables are, respectively, , , , , and , can you conclude that the independent variable is needed in the

    dividing decimals with decimal point

    Convert to whole numbers and divide. 5.78/17.00 40.02/69.00 45.88/62.00 88.20/98.00 50.40/72.00 44.40/0.74 30.26/0.89 18.9/3.10 71.25/7.50 31.20/6.50

    Order of operations

    The steps to the order of operations are simple; just remember "Please Excuse My Dear Aunt Sally" : Parenthesis, Exponents, Multiplication/ Division, Addition/ Subtraction. It is important that we follow these steps because if not then one would get the wrong answer. For example (incorrect): 70 - 2(5+3); 70 - 2(8); 6

    Network Model Problem

    Juveniles Adults Subpopulation size (aged under 15 years) (aged 15 years and over) (in millions) 1.89 5.31 Birth rate

    Math questions ... (Please see attachment for 33 problems)

    Please see attachment 1.Factor the trinomial Type N if the trinomial is not factorable 2.Multiply Simplify your answer 3.If a pro basketball player has a vertical leap of about 20 inches, what is his hang time? Use the hang-time function V= The hang time is ----seconds (Simplify your answer. Type an integer

    Transportation problems: Excel solver

    Please help with the attached problems involving finding the optimal solution using computer. I have some multiple choice Auditing problems need assistance with and verification if they are correct. Can you help with that also?

    Finance : Shareholder's Equity, Interest, Payback and Percentage Return

    1) Brentwood Bat Factory Inc., has current assets of $3,400, net fixed assets of $7,100, current liabilities of $1,900 and long term debt of $5,200. What is the value of the Shareholder's equity account for this firm? How much is net working capital? 4) Assume that a college education will cost $280,000 when your child e

    Several rational expression problems

    Please see attachment. 6.1 Which numbers cannot be used in place of the variable in each rational expression?. #18 ¬¬¬ 2Y + 1 _______________ y2 _ y - 6 #44 Reduce each rational expression to lowest terms. Assume that the variables represent only numbers for which the denomin

    Decimal part and percentage part of sales

    A bookstore sells a total $4500 worth of math books, $3000 worth of science books, and $1200 worth of history books. the book store also sells several other types of books. the total sales are $11,000. a. find the decimal part of sales for each type of books. (math, science, and history) b. find the percentage of sales

    Tammy car mileage

    Tammy wanted to determine the gas mileage she was getting on her car. she filled the gas tank on her car when the odometer read 49,420 miles. when she refilled the tank, the odometer read 49,717 miles. A. if took 11 gallons of gas to fill the tank, how many miles to gallon did Tammy's car achieved? B. if took 15 gallons

    Finding the Number of Vertical Asymptotes

    Please see the attached file for the fully formatted problems. Let R(x) = (x3 - 2x2 - 7)/(x6 - 2x5 +6x2 -4) How many vertical asymptotes are possible? a) 3 b) 2 c) 6 d) 5.

    Algebra: Percentage Growth (Compounding)

    Suppose a population of initial size 100 grows at the rate of 8% per year forever. a) What is the size of the population at the end of year 1? b) What is the size of the population at the end of year 2? c) What is the size of the population at the end of year 3? d) What is the size of the population at the end of year n (

    Algebra: Rounding, Conversions and Fractions ... (Please see attached file)

    Please show me how to do questions 3 to 10. (Please see attached file) 3. Round each of the following numbers as specified. (a) 508.576 to the nearest hundredth ________________ (b) 508.576 to the nearest tenth ________________ (c) 508.576 to the nearest hundred ________________ 4. Convert each of the following fract

    Simplifying Complex Fractions

    Please help with these problems. Simply each complex fraction 10/3x over 5/6x x/x + 2 over 2/x + 2 xy/1 over y - 3/x 2/x^2 plus 1/x over 4/x^2 - 1/x 1/y plus 3/y^2 over y + 27/y^2 3/x - 4 minus 2/ 4 - x over 2/x - 4 minus 2/x 2 plus 1/x over 4x - 1/x 7y/x^2 + xy over y^2/x^2 x/4 m

    Percentages -The number of workers in the U. S. increased from 41.3 million to 44.4 million. What is the percent increase?Employees working from home increased from 23.5 million to 24.1 million. What is the percent increase.Please provide step by step instructions on how you arrived at your answer.

    The number of workers in the U. S. increased from 41.3 million to 44.4 million. What is the percent increase? Employees working from home increased from 23.5 million to 24.1 million. What is the percent increase. Please provide step by step instructions on how you arrived at your answer.

    Simplify a Complex Fraction

    Simplify the fraction sqrt(5(z^3)u) * sqrt(10(z^2)(u^2) Assume that all variables represent positive real numbers.

    Simplify Complex Fractions

    Simplify the following expression as much as possible: x√ 6u^3 - 6u√96ux^2 Assume that all variables represent positive real numbers.

    Ratio

    Write the ratio as a fraction in lowest terms 6 minutes to 4 hours The ratio is ?

    solving equation fractional coefficients

    Solve 5 1 9 __ x + __ x = __ + x 4 8 8 The solution set of the equation is Simplify the answer. Type an integer or a fraction Type N if the solution is the empty set. Type R if the solution is all real numbers.