4,322 Answered Questions for the topic College Algebra

College Algebra Algebra 2

11/13/21

I don't know how to make the equation. The average cost per item in dollars to make x video games is given by M = 5x+2,000,000/x and the average cost per item...

in dollars to package the same video game is given by P = 2x+500,000/xWrite an equation C that gives the total cost per item of making and packaging x video games.C = blank (Simplify your answer)
College Algebra

11/13/21

college math must need help

Suppose that the graph of a rational function � has vertical asymptote x=1, horizontal asymptote y=2, domain (-∞,1)U(1,∞) and range (-∞,2)U(2,∞). 1
College Algebra Algebra 1 Algebra 2

11/12/21

Use long division to divide the polynomial 𝑓(𝑥) by the polynomial 𝑔(𝑥). Then write your work in the form "dividend = quotient × divisor + remainder"

𝑓(𝑥)=2𝑥^4+3𝑥^2−4𝑥−5, 𝑔(𝑥)=𝑥^2+3
College Algebra Algebra 2

11/12/21

A plane flies 390 miles with the wind and 325 miles against the wind in the same length of time. If the speed of the wind is 10 mph, find the speed of the plane in still air.

The speed of the plane in still air is blank mph I got 110 mphIs that correct?
College Algebra Algebra 2

11/12/21

Suppose that a small pump can empty a swimming pool in 70 hours and that a large pump can empty a pool in 30 hours. Working together, how long will it take to empty the pool?

How long will it take to empty the pool? Blank hoursI got 21 hours. Is that right?
College Algebra Algebra 2

11/12/21

Simplify the expression

7 over n - 5 + n over n + 5 (Simplify your answer. Type your answer in factored form)The answer I got is n2 + 2n + 35 over (n + 5)(n - 5)Would that be correct?
College Algebra Algebra 2

11/12/21

Divide and simplify to lowest terms.

2z2 - 9z - 5 over z2 + 2z - 8 divided by z - 5 over z - 2 (Type your answer in factored form)The answer I got is 2z + 1 over z +4Would that be correct?
College Algebra Algebra 2

11/12/21

Multiply and simplify to lowest terms. Leave your answer in factored form.

y2 - 3y over y2 - 49 times y +7 over y - 3 (Simplify your answer. Type your answer in factored form)The answer I got was y over y - 7Would that be correct?
College Algebra Algebra 2

11/12/21

A lens in a camera has a focal length, which is important for focusing the camera. If an object is at a distance D from the lens that has a focus length F, then to be in focus the distance S between..

the lens and the film should satisfy the equation 1 over S = 1 over F subtract 1 over DWrite the difference 1 over F subtract 1 over D as one term.1 over F subtract 1 over D = blank
College Algebra Math Algebra

11/12/21

Help with this question please!!!

A colony of sharks is losing one-ninth of its population every two years. The colony currently has 150 sharks. a.) Find the annual rate considering the fact that P=8/9P0 after 2 years by... more
College Algebra

11/09/21

Points, lines, and circles in the plane

The midpoint of AB is at (−5,−2). If A=(−6,−4), find B.
College Algebra

11/09/21

# 3 Uniformed Motion Question

Peggy competes in a biathlon by running and bicycling around a large loop through a city. She runs the loop one time and bicycles the loop five times. She can run 8 mph and she can ride 16 mph. If... more
College Algebra

11/09/21

#2 Uniform Motion Question

Darren drives to school in rush hour traffic and averages 32 mph. He returns home in mid-afternoon when there is less traffic and averages 48 mph. What is the distance between his home and school... more
College Algebra

11/09/21

Solve Applications Involving Uniform Motion

Two planes leave from Atlanta, Georgia. One makes a 5.2-hr flight to Seattle, Washington, and the other makes a 2.5-hr flight to Boston, Massachusetts. The plane to Boston averages 44 mph slower... more
College Algebra Math Algebra 1 Prealgebra

11/09/21

Compound Interest Problem

[On all these questions #1-4, do not do any rounding until the very end]A) Phillip wants to have $18,000 in 9 years, so he will place money into a savings account that pays 2.8% interest compounded... more
College Algebra Algebra 1 Algebra 2 Calculus

11/09/21

inters rate word problem

For a loan of L dollars, with an annual interest rate of r% compounded monthly, and a payment period of n months, the formuladetermines the value of P, how much you would have to pay every month... more
College Algebra Math Calculus Prealgebra

11/09/21

Exponential function y=c(bx)

Determine the exponential function y=c(bx) that goes through the points (−2,16) and (1,54). Algebraic work 
College Algebra Math

11/07/21

degree 3 zeros -8, 4-i

College Algebra

11/07/21

college algebra

A woman has a total of $11,000 to invest. She invests part of the money in an account that pays 8% per year and the rest in an account that pays 9% per year. If the interest earned in the first... more
College Algebra

11/06/21

Math homework question

A pot of boiling soup with an internal temperature of 100° Fahrenheit was taken off the stove to cool in a 65°F room. After fifteen minutes, the internal temperature of the soup was 96°F.To the... more
College Algebra Algebra 1

11/04/21

Need help with calculations

At the end of 2017, the House proposed a new tax plan: (http://www.businessinsider.com/tax-brackets-2018-trump-tax-plan-chart-house-senate-comparison-2017-11)Proposed New Tax Plan:• For taxable... more
College Algebra Algebra 1

11/04/21

Help with calculations

Now consider another hypothetical tax code. Assume the tax rate on the first $15,000 of taxable income is 10% and the tax rate on any additional income is 18%. The standard deduction ($6,350) and... more

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