4,322 Answered Questions for the topic College Algebra
College Algebra Algebra 2
06/13/19
An item in a store has been discounted by 20%. The sign above the item reads take 30% off of the marked price. What percent discount is the customer going to receive?
College Algebra Algebra 2
06/12/19
multiply the expression using the product rule 6^9*6^10
College Algebra Algebra 2
06/11/19
How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 25 % antifreeze?
College Algebra
06/11/19
On a bicycle, holly rides for 2 hours and is 22 miles from her house. After riding for 7 hours, she is 72 miles away. What is holly’ rate?
College Algebra Homework
06/11/19
I am needing help on my homework
$5400 is invested, part of it at 10% and part of it at 8%. For a certain year, the total yield is $492.00. How much was invested at each rate?
College Algebra
06/11/19
Find all 𝑥 such that the distance between the points (−5,9) and (𝑥,6) is 6.
College Algebra
06/11/19
One serving of trail mix has 67 grams of carbohydrates, which is 22% of the recommended daily amount. What is the total recommended daily amount of carbohydrates? Round to the nearest gram.
One serving of trail mix has 67 grams of carbohydrates, which is 22% of the recommended daily amount. What is the total recommended daily amount of carbohydrates? Round to the nearest gram.
College Algebra Algebra 2
06/07/19
|0.1x-2.2|+0.2is greater than or equal to 0.7
06/05/19
Interest rate word question
Laura borrowed a total of $23,000 from two different banks to start a business. One bank charged the equivalent of 4% simple interest, and the other charged 5.5% interest. If the total interest...
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Square Root of a Square Root
I am having difficulty finding the composite of this function because I am not sure how to take the square root of a square root.Find (g of g) where g(x) = √xI think the problem would look like...
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College Algebra
06/02/19
The area of a rectangular wall of a barn is 84 square feet. It's length is 12 feet longer than the width. Find the length and width of the wall of the barn.
College Algebra Algebra
06/01/19
For what values of p is the value of the binomial 1.5p−1 smaller than the value of the binomial 1+1.1p?
A rectangle has height h and a square base.
A rectangle has height h and a square. base. One side of the sq. base is 4 inches greater than the h. a)Find an expression for the volume in terms of h. b) For what values of h does the volume...
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College Algebra Math
05/27/19
An open box with a square base is to have a volume of 18 ft3. (a) Find a function that models the surface area A of the box in terms of the length of one side of the base x.
College Algebra Algebra 2
05/27/19
Construct a polynomial function with the following properties: fifth degree, 3 is a zero of multiplicity 3, −4 is the only other zero, leading coefficient is 2.
College Algebra Algebra 2
05/25/19
f(x)=2x^2-3x+5 and g(x)=x-4
find: (f+g)(x)find: (f-g)(x)find: (f*g)(x)
Write an equation for a function that has a graph with the given characteristics. The shape of y = 1/x , stretched vertically by a factor of 4, shifted right 3 units
Write an equation for a function that has a graph with the given characteristics. The shape of y = 1/x , stretched vertically by a factor of 4, shifted right 3 units
Write an equation for a function that has a graph with the given characteristics. The shape of y =1/x shifted right 6 units and shifted up 2 units..
Write an equation for a function that has a graph with the given characteristics. The shape of y =1/x shifted right 6 units and shifted up 2 units..
College Algebra Algebra 2
05/19/19
Matrix, college
2. A concession stand at a city park sells hamburgers, hot dogs, and drinks. Three patrons buy the food and drink combinations denoted in the following table. Patron 1 spends $11, patron 2 pays $5...
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College Algebra Algebra 2
05/17/19
Determine whether the function is a polynomial function. If it is, identify the degree. f(x) equals = 7 x Superscript 7 Baseline plus 3 x squared 7x7+3x2
College Algebra Algebra 2
05/15/19
Word Problems - College Algebra
A person’s body mass index (BMI) b varies directly to a person’s weight in pounds and inversely with the square person’s height h in inches. If a 6 foot tall person’s BMI is 32 and their weight is...
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College Algebra Algebra 2
05/15/19
Word Problems - Equations
For the following exercises, write an equation describing the relationship of the given variables. Then use the given information to find the unknown value.y varies jointly with the fourth root of...
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College Algebra Algebra 2
05/14/19
The population of a certain city was 278000 in 1998, and the observed relative growth rate is 3 percent per year. Find a function that models the population after t years.
I put in the function as f(t)=278000(1.03)^t, but the WebWork says that the answer is wrong.
College Algebra Algebra 2
05/14/19
Half-Life College Algebra
A substance has a half-life of 2.671 minutes. If the initial amount of the substance was 142.4 grams, how many half-lives will have passed before the substance decays to 8.9 grams. What is the...
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