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Basic Algebra

Adjusting Antifreeze through Algebra

Adjusting Antifreeze. Angela needs 20 quarts of 50% antifreeze solution in her radiator. She plans to obtain this by mixing some pure antifreeze with an appropriate amount of a 40% antifreeze solution. How many quarts of each should she use? Building a ski ramp. Write an inequality in the variable x for the degree measure

Algebra - Numbers and Integers

1 Which of the following numbers are integers? 3,2/3 -3,101.1, -5/7 2.Place the following set of numbers in ascending order. -2/5,1/6,7/8,-5/9,3/4 3.Carlos works 8.25 h and receives $102.30 pay. What will he receive at the same rate if he works if he works 14 h? 4.Evaluate |-14]- 5.Subtract 7/9-(-1

The solution to algebra equations

1. solve the system of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent. x+y=10 x-y=4 2. solve the system of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent. 2x-y=19 2x+3

Algebra - Compound Statements

Convert the symbolic compound statement into words. a. p represents the statement " It's raining in Chicago." q represents the statement " It's windy in Boston." Translate the following compound statement into words. p v q b.p represents the statement " It's Monday." q represents the statement" It's raining toda

Calculus Problem Set - Graph the function. Describe briefly in words the interesting features of the graph including the location of critical points and where the function is increasing/decreasing. Then use derivative and algebra to explain the shape of the graph. ... [See the attached Question File.]

#1 Graph the function. Describe briefly in words the interesting features of the graph including the location of critical points and where the function is increasing/decreasing. Then use derivative and algebra to explain the shape of the graph. f(x) = x3 - 6x +1 The graph is increasing crossing the x-axis at about x=-2.

Solving Basic Algebra Word Problem

Solve the problem using algebra. 1 Find the Celsius temperature(to the nearest degree when Fahrenheit temperature is 9 degrees by solving the equation 59= 9/5 C +32, where F is the Fahrenheit temperature (in degrees and C is the Celsius temperature. 2. A square plywood platform has a perimeter which is 7 times the length of

Algebra - Equivalent Expression

1) Find an equivalent expression using the distributive law. ... 2) Find the distance on the number line between -12 and -10. ... 3) Simplify using the laws of exponents. ... 4) Evaluate the expression using the order of operations. ... ... [See the attached question file].

Revised - 8 Intro. Algebra Equations and 4 Problems1. Population of Mexico. In 2004 the population of Mexico was 106.5 million. If Mexico's population continues to grow at an annual rate of 1.43%, then the population in 2015 will be 106.5(1.0143)11 million. ...2. Forensics. A forensic scientist uses the expression 72.6 _ 2.5T to estimate the height in centimeters of a female with a tibia of length T centimeters. If a female skeleton ...[See the attached Question File.]

Algebra Problems - 1. Population of Mexico. In 2004 the population of Mexico was 106.5 million. If Mexico's population continues to grow at an annual rate of 1.43%, then the population in 2015 will be 106.5(1.0143)11 million. ... 2. Forensics. A forensic scientist uses the expression 72.6 _ 2.5T to estimate the height in cen

solve linear equations for word problems

Please help with these problems.. Solve the equation and check your answer, if possible, in the original equation. Show all work, including the check Solve the inequality and graph the solution set on a number line: 6) Solve the equation and check your answer, if possible, in the original equation. Show all work, incl

Equations for word problems

1. The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is$ 200.000, find each worker's salary 2. Including a 6.1% sales tax, a diamond ring sold for $ 2,864.70. Find the price of the ring before the tax was added.( round to the nearest cent).

Assorted Algebra Problems on Solving equations and inequalities

Please see attached for formatting. 1. 3y - 9 =3x 2. Translate to an inequality, use the variable x. The amount of acid is not to exceed 400 liters. 3. Skip 4. Skip 5. -16x > -80 6. 5x + 2 - 4x < 11 the solution set is {x l x < } 7. 5y - 10 < 4y - 7 the solution set is {y l y < } 8. Find the slope if it exists, y

Algebra word problems - (1) Stephanie, the Team Manager of a soccer team, purchases many soccer balls from a retailer and sells them to all the players at her soccer club at a price of x dollars each. She can sell 600 - 15x balls per week. Find a polynomial ... [See the Attached Questions File.]

(1) Stephanie, the Team Manager of a soccer team, purchases many soccer balls from a retailer and sells them to all the players at her soccer club at a price of x dollars each. She can sell 600 - 15x balls per week. Find a polynomial ... (2) One side of a rectangular backyard is 2 meters longer than the other. If the diagona

Exponential and Logarithmic functions - The bacteria Escherichia coli are commonly found in the human bladder. Suppose that 3000 of the bacteria are present at time t-0. Then t minutes later, the number of bacteria present can be approximated by:N(t) = 3000(2)^t/20. How many bacteria will be present after 10 min? 20min? 30 min? 40 min? 60 min?

The bacteria Escherichia coli are commonly found in the human bladder. Suppose that 3000 of the bacteria are present at time t-0. Then t minutes later, the number of bacteria present can be approximated by: N(t) = 3000(2)^t/20. How many bacteria will be present after 10 min? 20min? 30 min? 40 min? 60 min?

Quantitative Methods - Advice on Regression

We are on Integer Programming which is a part of Linear Regressions. Linear regression determines the straight line that best fits the data. It doesn't make the fit good. An exponential regression determines the exponential expression that best fits the data. It can have a poorer or a better fit than the linear fit for a give

Solving/Graphing Inequalities

This solution includes several problems on solving and graphing inequalities. Detailed solutions are provided to explain the concept.

Algebra work problems - Solve for r. r^2+3r=5. The solution are r = ...

Part 1 1. Solve for r r^2+3r=5 The solution are r = (use a commas to seperate answers type n. if there is no solution. 2. Sove for x 1+8/x +52/x^2 =0 The solution are____ Express cmplex numbers in the trms of i use a comma to seperate answers as needed 3. The width of a rectangle is 14ft less than the lent

Mathematics: Calculating combinations of sheets

Benjamin and Olivia are putting a new floor in their kitchen. To get the floor up to the desired height, they need to add 1 ft of subfloor. They can do this in one of two ways. They can put -in. sheet on top of -in. board (note that the total would be ft or 1 ft). They could also put 3/8-in. board on top of 3/4-in. sheet. The ta

Word Programs Involving Algebra

Please help with the following problem. 14. Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line if he finds more than 1/50 of the sample to be defective. About how many

Basic Math - Geometry - Algebra

MAT115 - Checkpoint - Week 4 Sy. Section of Basic Mathematical Skills with Geometry (6th ed.) Page Numbers Exercises Section 4.1 pp. 287-291 2, 4, 24, 34, 72 Section 4.2 pp. 301-308 20, 36, 48, 58, 72 Section 4.3 pp. 317-320 32, 68, 70 Section 4.4 pp. 329-333 4, 10, 20, 26, 30, 38, 44 Section 4.5 pp. 345-348 24, 52

Geometric Distribution - Password Hacker

A computer system uses passwords constructed from the 26 letters (a to z) or 10 integers (0 to 9). Suppose there are 10000 users on the system with unique passwords. A hacker randomly selects (with replacement) passwords from the potential set. A) There are 9900 users with unique 6 character passwords on the system and the ha

Need help with algebra, statistics and geometry

I need help with the attached questions. You will have to open up the attachment to see the questions with proper formatting. ____________________ 18. 13/18 + 11/18 39. 18/23 - 13/23 - 3/23 44. Number problem. One task took 7 minutes (min), a second task took 12 min, and a third task took 21 min. How l

Overriding A Presidential Veto

Read the article below and use the information you find there to answer the questions that follow. A bill is sent to the president of the United States when it has passed both houses of congress. A majority vote in both the house of representatives (435 members) and the senate (100 members) is needed for the bill to be pass

Prime numbers, GCF and algebra word problems

Please see attachment for proper formatting. ____________________________________ 10. List the factors of each of the following number for 66. Using the following list of numbers for exercises 13 and 14: 0, 1, 15, 19, 23, 49, 55, 59, 87, 91, 97, 103, 105, 14. Which of the given numbers are composite? 16. Li

Basic math

Attached are 50 basic math/algebra problems that I need help with....Please show your work so I can learn how you figured it out. Thanks. 1. Give the place value for the indicated digit. 8 in the number 138,350 A) Tens B) Hundreds C) Thousands D) Ones 2. Find the area of the figure. A)

Slope and Intercept Questions

Please help me with these problems. See the attached file for proper formatting. _____________________________________________________________________ 1) 7- ) The slope is ________ The y-intercept is (0,____) 9) Find the slope, if it exists, of the line containing the pair of points. (7,5) an