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
Among all the rectangles that have a perimeter of 220, find the dimensions of the one whose area is largest.
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
03/31/21
Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms. Fourth-degree and a single zero of 2.
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.
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
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
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
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
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) =
03/27/21
Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)
P (z ≤ -0.21)
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) =
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
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
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
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
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
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
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.