4,322 Answered Questions for the topic College Algebra

College Algebra Algebra

09/20/19

College Algebra HELP
You decide to begin selling glow sticks at the local swap mart. Your cost for each glow stick is $2.19 plus you have to pay a fixed weekly fee of $230 for the booth. Your plan is to sell each glow... more
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College Algebra Algebra

09/20/19

College Algebra Homework HELP
Find the equation of the linear function g that has g(20)=1 and that is perpendicular to m(w)=−8/13w−36.
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College Algebra Math Prealgebra Interest

09/20/19

a certain forest covers an area of 4500 km^2. suppose that each year this area decreases by 8.75%. what will it be after 10 years?
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College Algebra Algebra 1 Algebra

09/19/19

College algebra factoring help
I am trying to factor 2x^2+17x+30. I know that the factor needs to be 60 with a sum of 17. So, I figured out that -3*20 works since the sum is 17. However, I plugged in the working factor ->... more
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College Algebra Algebra 1 Algebra

09/19/19

Need College Algebra factoring help!!
What are factors of -12 that have a sum of 0? This is for the problem m-12 over m^2-144. I have already factored out m^2-144 and got (m-12)(m+12). However, I can not figure out how to factor m-12.... more
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College Algebra

09/19/19

Line l has slope 5 and goes through (0,1/2)
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College Algebra

09/19/19

p(x)+=x^3+2x^2+4
Quotient=Remainder=p(-2)=
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College Algebra Algebra 2

09/18/19

College Algebra
The area of a rectangular wall of a barn is 100 square feet. its length is 10 feet longer than twice its width find the length and width of the barn
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College Algebra Algebra 2

09/18/19

to question in math 115,Need answer
Complex numbers are used to describe​ current, I,​ voltage, E, and​ impedance, Z. These three quantities are related by the equation E=IZ. Given two of these​ quantities, solve the equation E=IZ... more
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College Algebra Algebra 2

09/18/19

How do I graph (-5,-3) m=7
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College Algebra Algebra 2

09/18/19

How do I graph (-5,-3) with 0 slope
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College Algebra Algebra 2

09/17/19

Joanie wants to mail a package that requires ​$1.74 in postage. If she has only 5​-cent and 9​-cent ​stamps, what is the smallest number of stamps she could use that would total exactly ​$1.74​?
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College Algebra

09/17/19

how do I solve this
Tony borrowed a total of $7000 from two student loans. One loan charged 2% simple interest and the other charged 1.5% simple interest, both payable after graduation. If the interest he owed... more
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College Algebra Algebra 2

09/17/19

How do I do this?
Ethanol fuel mixtures have "E" numbers that indicate the percentage of ethanol in the mixture by volume. For example, E10 is a mixture of 10% ethanol and 90% gasoline. How much E6 should be mixed... more
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College Algebra

09/17/19

The perimeter of a rectangle is 28 m. The length is 2 m more than three times the width. Find the length as the width of the rectangle.
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College Algebra Math Geometry Algebra

09/16/19

HELP PLS!!!! Dont understand
A produce stand has 1500 fresh vegetables and fruits for sale. There are 20 pears, 50 oranges, 35 broccoli, and 60 ears of corn. The pears cost $2.00 each, broccoli cost $0.50 per pound, and corn... more
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College Algebra

09/16/19

Benjamin threw a rock straight up from a cliff
 Benjamin threw a rock straight up from a cliff that was 60 ft above the water. If the height of the rock h, in feet, after t seconds is given by the equation h=-16t^2+68t+60, how long will it take... more
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College Algebra Math Algebra 2

09/16/19

Answer parts a and b.
find n(a)a. n( a ∪ b ) = 20n( a ∩b ) = 18n (b) = 202.if n(a)=20n(b)=7n(a ∩ b) = 5
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College Algebra Math Elementary Math Mathematics

09/16/19

For each of the​ following, the Cartesian product C times D is given by the sets listed. Find C and D.
a. C times×D equals=​{(j,b),(j,c),(j,d),(j,e)}C equals=​{}D equals=​{}
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College Algebra Algebra 2

09/16/19

You invested $28,000 in two accounts paying 2% and 7% annual interest, respectively. If the total interest earned for the year was $1310, how much was invested at each rate ?
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College Algebra Math Algebra 1 Algebra 2

09/15/19

how to find the coordinates?
the radius is 6, and P is rotating around it. how i find the coordinates of P when t = 3?
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College Algebra Math Algebra 2

09/15/19

Help plss! ): Calculate a Percent Increase or a Percent Decrease

James purchases a property for $150,000 in 2015. In the first year of ownership the capital appreciation of the property (how much its value increases by per annum) is 4%. In year 2, the housing... more
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College Algebra Algebra 2

09/15/19

Domain of the function

F(x)= 5x+2 , g(x)=x-3(f+g)(x)=
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College Algebra Math Algebra 1 Algebra 2

09/15/19

Find a formula for the graph of the function 𝑦=𝑓(𝑥) given in the figure below.
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College Algebra Math Algebra 1 Algebra 2

09/15/19

The altitude of a right triangle is 16 cm. Let ℎ be the length of the hypotenuse and let 𝑝 be the perimeter of the triangle. Express ℎ as a function of 𝑝.
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