4,335 Answered Questions for the topic College Algebra

College Algebra Algebra 2 Geometry

05/20/19

The length of a rectangle is four times it’s width. If the perimeter of the rectangle is 70ft, find it’s area.
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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... more
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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
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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... more
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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... more
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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.
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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... more
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College Algebra Algebra 2

05/13/19

Commission sales
You are offered two different sales jobs. The first company offers a straight commission of 7% of the sales. The second company offers a salary of $400 per week plus 4% of the sales. How much... more
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College Algebra Algebra 2

05/13/19

Find the value(s) of k that makes the second polynomial a factor of the first. k^2x^4 + 2kx^2 − 48; x − 1
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College Algebra Algebra 2

05/12/19

Applying quadratic formula

Lisa has a rectangular picture which is 23 inches long and 21 inches wide. She wants to build a wooden frame for the picture but she only has 357 in.² of wood available, how wide will the border be?
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College Algebra Algebra 2

05/11/19

Write an equation in terms of x that represents the given relationship?
The length of a rectangle is 7yd more than twice the width x. The area is 855yd^2 .
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College Algebra Math Calculus Precalculus

05/11/19

need help please
The one-to-one functions g and h are defined as follows. g= {(-5,-3),(0,6),(2,-5),(3,-9)} h(x) = 3x +13 Find the following. g^-1(-5) =h^-1(x)+(h o h ^-1)(-5)=
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College Algebra Algebra 2

05/10/19

Difference of quotient

Difference of quotient when f(x)=7x
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College Algebra Algebra 2 Finance

05/09/19

I have no clue on how to solve this mutual funds problem please help !!
Juan had $21100 and chose to split the money into two different mutual funds. During the first year, Fund A earned 5% interest and Fund B earned 3% interest. If he received a total of $829 in... more
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College Algebra Algebra 2

05/09/19

I am stuck and have no clue how to solve these mutual funds,
Juan had $24300 and chose to split the money into two different mutual funds. During the first year, Fund A earned 7% interest and Fund B earned 3% interest. If he received a total of $1177 in... more
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College Algebra Algebra 2 Algebra

05/09/19

The length of a new rectangular playing field is 6 yards longer than quadruple the width. If the perimeter of the rectangular playing field is 552 ​yards, what are its​ dimensions?
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College Algebra Algebra 2

05/09/19

college algebra
use the compound interest A=P(1+r/n)rt to solve the problem given round answer to the nearest cent. Find the accumulated value of an investment of 15,000 for 7 years at an interest rate 6.5% if the... more
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College Algebra Algebra 2

05/09/19

College algebra
use the compound interest A=P(1+r/n)rt to solve the problem given round answer to the nearest cent. Find the accumulated value of an investment of 15,000 for 7 years at an interest rate 6.5% if the... more
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College Algebra Algebra 2

05/09/19

Two circles have circumferences that add up to 18 π centimeters and areas that add up to 41π square centimeters. Find the radius of each circle.
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College Algebra Algebra 2

05/09/19

The perimeter of a rectangle is 12 inches and its area is 8 square inches. What are its​ dimensions?
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College Algebra Math Statistics Algebra

05/09/19

Question 11 Math Help needed please

in order to start a small business a student takes out a simple interest loan for $7000.00 for 3 months at a rate of 9.00% A. how much interest must the student pay? B. find the future value of the... more
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College Algebra Math Algebra 2 Algebra

05/08/19

Word Problem College Algebra Question

During a hiking trip, Carol ran out of trail mix. She needs another 30 grams to finish the hike. Fortunately, Steve and Grace are willing to share some of their trail mix, but Carol insists on a... more
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College Algebra Algebra 2 Statistics

05/08/19

The exponential model Upper A equals 59.5 e Superscript 0.019 t describes the​ population, A, of a country in​ millions, t years after 2003. determine the population in 2003
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College Algebra Algebra 2 Statistics Algebra

05/08/19

Question 14 Math Help Needed

each day e purchase 1.5 thousand cans of beans per minute. use the fact that there are approximately 5.3 x 10 ^5 minutes in a year to approximate how many cans of beans are purchased in one year... more
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College Algebra Math Statistics Statistics

05/08/19

question 25 Math need help please

in a class of 50 students, 34 are democrats, 6 are business majors, and 4 of the business majors are democrats if one student is randomly selected from the class find the probability of choosing a... more
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