4,326 Answered Questions for the topic College Algebra

College Algebra

04/02/21

College algebra word problem

Peanuts sell for $6.00 per pound and cashews sell for $10.00 per pound. A merchant wants to sell a mixture of peanuts and cashews. How many pounds of peanuts and cashews must be used to create 16... more
College Algebra

04/02/21

College algebra

The function m(x)= −2x cubed − 3x squared + 252x + 4 has one local minimum and one local maximum. Graph the function on your calculator to estimate these local extrema and the intervals on which m... more
College Algebra

04/02/21

College algebra

Write the factored form of the polynomial function with real coefficients, a lead coefficient of 1, and zeros of -2, −3, 3, and 4
College Algebra

04/01/21

How long in years and months will it take

How long​ (in years and​ months) will it take for an investment to double at 13​% compounded​ monthly?
College Algebra

04/01/21

A certain radioactive isotope has leaked into a small stream.

A certain radioactive isotope has leaked into a small stream. One hundred days after the​ leak, 2​% of the original amount of the substance remained. Determine the​ half-life of this radioactive... more
College Algebra

03/31/21

Find a formula for the exponential function passing through the points (−2,320) and (1,5)

Find a formula for the exponential function passing through the points (−2,320) and (1,5)
College Algebra Precalculus

03/30/21

If a line has an x-intercept at x = −6 and a y-intercept at y = −5, find its equation in the form y = mx + b.

Need some help on how to do this problem. Any help is appreciated.
College Algebra Math Geometry Algebra

03/29/21

Suppose a company just purchased a new computer for 3600. The company chooses to depreciate using the straight line method for six years.

Create a linear function that expresses the book V of the Algebra word problem computer as a function of its age What is the domain of a function graph the linear function what is the book... more
College Algebra Math Calculus Precalculus

03/29/21

What is the probability that the daily attendance will be between 7200 and 8900 people? ( Please show work)

Attendance at large exhibition shows in Denver averages about 7900 people per day, with standard deviation of about 500. Assume that the daily attendance figures follow a normal distribution.... more
College Algebra Math Algebra 1 Algebra 2

03/28/21

probability question

The amount of money spent weekly on cleaning, maintenance, and repairs at a large restaurant was observed over a long period of time to be approximately normally distributed, with mean 𝜇 = $633 and... more
College Algebra

03/28/21

When a number is decreased by 20% of itself, the result is 8. What is the number?

Write an equation with xthen solve for x to find number
College Algebra Math Calculus Geometry

03/28/21

probability question

The amount of money spent weekly on cleaning, maintenance, and repairs at a large restaurant was observed over a long period of time to be approximately normally distributed, with mean 𝜇 = $633 and... more

03/27/21

Find all rational zeros of the polynomial. P(x) = 4x^4 − 13x^3 − 13x^2 + 52x − 12

Really stuck on this one:Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers including repetitions.)P(x) = 4x4 − 13x3 − 13x2 + 52x − 12x =... more
College Algebra Math Algebra 1 Algebra 2

03/27/21

Find the indicated probability.

Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)𝜇 = 22; 𝜎 = 3.8P(x ≥ 30) =
College Algebra Math Calculus Precalculus

03/27/21

Find the indicated probability

Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)P(z ≥ 1.32) = 
College Algebra Math Algebra 1 Algebra 2

03/27/21

normal distribution question

Attendance at large exhibition shows in Denver averages about 7900 people per day, with standard deviation of about 500. Assume that the daily attendance figures follow a normal distribution.... more
College Algebra Math Precalculus Algebra

03/25/21

Describe the end behavior of the polynomial function: P(x) = x(x^2 − 4)

Describe the end behavior of the polynomial function: P(x) = x(x2 − 4)End behavior:y → _________ as x → infinityy → _________ as x → negative infinity
College Algebra Math Algebra 1 Algebra

03/25/21

At first, an athlete jogs at 5 miles per hour and then jogs at 6 miles per hour, traveling at 7 miles in 1.2 hours. How long does the athlete jog at each speed?

Hint: Let t represent the amount of time the athlete jogs at 5 mph. Then 1.2 - t represents the amount of time the athlete jogs at 6 mph. The athlete jogged _____ hour(s) at a speed of 5 miles per... more
College Algebra Math Algebra 1 Algebra

03/25/21

At first, an athlete jogs at 5 miles per hour and then jogs at 6 miles per hour, traveling at 7 miles in 1.2 hours. How long does the athlete jog at each speed?

Hint: Let t represent the amount of time the athlete jogs at 5 mph. Then 1.2 - t represents the amount of time the athlete jogs at 6 mph. The athlete jogged _____ hour(s) at a speed of 5 miles per... more
College Algebra Math Algebra 1 Algebra

03/25/21

At first, an athlete jogs at 5 miles per hour and then jogs at 6 miles per hour, traveling at 7 miles in 1.2 hours. How long does the athlete jog at each speed?

Hint: Let t represent the amount of time the athlete jogs at 5 mph. Then 1.2 - t represents the amount of time the athlete jogs at 6 mph. The athlete jogged _____ hour(s) at a speed of 5 miles per... more
College Algebra

03/25/21

Show that the equation represents a circle by rewriting it in standard form.

Show that the equation represents a circle by rewriting it in standard form.5x2 + 5y2 − 7x = 0
College Algebra Math Algebra College Math

03/24/21

At first an athlete jogs at 6 miles per hour and then jogs at 8 miles per​ hour, traveling 11 miles in 1.5 hours...

How long does the athlete jog at each​ speed? (Hint: Let t represent the amount of time the athlete jogs at 6 mph. Then 1.5 − t represents the amount of time the athlete jogs at 8 mph.)The athlete... more

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