4,322 Answered Questions for the topic College Algebra

College Algebra Algebra 2 Algebra

07/13/19

Standard form of a parabola with given directrix and focus.

Can some one help me on this problem? Find the equation in standard form, of a parabola with directrix at x=6 and focus at (-3, -4). Answers should include exact values and not approximations.
College Algebra Algebra 2

07/13/19

College Algebra

There are two numbers which add up to 32. If one number is eight more than three times the other, what are the numbers?
College Algebra Algebra 2

07/13/19

if f={(−2,4),(1,−1),(4,4)} and g={(0,1),(1,2)}, what is (f-g)(1)

if f={(−2,4),(1,−1),(4,4)} and g={(0,1),(1,2)}, what is (f-g)(1)
College Algebra Math Precalculus Algebra

07/12/19

How do I find unit rates?

Online jewelry sales have increased steadily over the last 10 years. In 2003, sales were approximately 2 billion dollars, and in 2009 they were approximately 14.7 billion.(i) Find the unit rate at... more
College Algebra Algebra 2

07/12/19

college algebra word problem

Two planes leave from Atlanta, Georgia. One makes a 3.8 hr flight to Seattle, Washington, and the other makes a 5 hr flight to Boston, Massachusetts. The plane to Boston averages 44mph slower than... more
College Algebra Algebra 2

07/12/19

college algebra word problem

Aldo borrowed a total of $4000 from two student loans. One loan charged 4% simple interest and the other charged 3.5% simple interest, both payable after graduation. If the interest he owed... more
College Algebra Algebra 2

07/12/19

find g(7) math problem

g(x)=x^2-4x-5/x^2-6x-16 find g(7)
College Algebra Algebra 2

07/12/19

A company that manufactures small canoes has a fixed cost of 20,000. It costs $100 to produce each canoe. The selling price is $200 per canoe.

In solving this exercise let x represent the number of canoes produced and sold.
College Algebra Algebra 2

07/12/19

System of Equations Applications

A 1400-seat theater sells two types of tickets for a concert. Premium seats sell for $30 each and regular seats sell for $20 each. At one event $34,060 was collected in ticket sales with 10 seats... more
College Algebra Math

07/11/19

Half Life Problem

A radioactive substance used in nuclear weapons decays at the rate of 4.3​% per year. Calculate the​ half-life of the radioactive substance.
College Algebra Algebra 1 Algebra 2 Prealgebra

07/11/19

1/3 equals the quotient of a number and 12. Find the number

1/3 equals the quotient of a number and 12. Find the number
College Algebra Algebra 1 Algebra 2 Prealgebra

07/11/19

The intensity of light (in foot-candles) Varies inversely as the square of X, the distance in feet from the light source.

The intensity of light 3 feet from the source is 96 foot-candles. How far away is the source if the intensity of light is 6 foot-candles?
College Algebra Algebra 1 Algebra 2 Prealgebra

07/11/19

Norman and suzanne own 25 shares of a fast food restaurant stock and 75 shares of a toy company stock.

At the close of the markets on a particular day in 2004, their stock portfolio consisting of these two stocks was worth $1200.00. The closing price of the fast food restaurant stock was $26 more... more
College Algebra Algebra 1 Algebra 2 Geometry

07/11/19

Find the unknown length Y in the pair of similar triangles

triangle a: 3 ft, 10 fttriangle b: y, 6 ft
College Algebra Algebra 1 Algebra 2 Prealgebra

07/11/19

Rabbits in a lab are to be kept on a strict daily diet that includes 47 grams of protein, 26 grams of fat and 44 grams of carbs.

The scientist has only three FoodMaxx is available with the following grams of nutrients per unit:Mix A: 6 protein, 4 fat, 2 carbs Mix B: 4 protein, 2 fat, 6 carbsMix C: 5 protein, 2 fat, 8 carbs... more
College Algebra Algebra 1 Algebra 2 Prealgebra

07/11/19

solve the equation for the indicated variable.

B= 690y/h^2 for y
College Algebra Algebra 1 Algebra 2 Prealgebra

07/11/19

A plane flies 425 miles with the wind and 350 miles against the wind in the same length of time.

If the speed of the wind is 15 mph, find the speed of the plane in still air.

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