15,254 Answered Questions for the topic precalculus

Precalculus

02/23/23

Pre calculus question

Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2pi). (Enter your answers as a comma-separated list.)cos(theta) - sin(theta) = square root 2 sin(theta/2)
Follows • 1
Expert Answers •3
Precalculus

02/23/23

Pre calculus question

In a certain city the number of hours of daylight on day t (where t is the number of days after January 1) is modeled by the functionL(t)= 13 + 2.83 sin(2pi/365(t-80))(a) Which days of the year... more
Follows • 1
Expert Answers •1
Precalculus Math Trigonometry

02/23/23

We know that sin^2 Θ+ cos^2 Θ = 1. Divide both sides of the equation by sin^2Θ and simplify to find another Pythagorean Identity.
Can I also have an example problem for practice?
Follows • 1
Expert Answers •2

02/22/23

Question about Algebra/Precalculus and other topic of Algebra
What strategy that can help me improving my learning in Algebra/Precalculus and other topic of Algebra in college?
Follows • 1
Expert Answers •1
Precalculus Algebra 1 Algebra 2

02/22/23

Problem for number 5 linear program
Problem 5Sherri Enjoy from Shoppe needs to order trees for the Christmas season. She contacts Festive Suppliers, a wholesale store that supplies all sorts of holiday supplies. Festive suppliers... more
Follows • 1
Expert Answers •1
Precalculus

02/22/23

Create exponential function using two points
I need to create an exponential function using points (1, 118453) and (15,1484) thank you
Follows • 1
Expert Answers •1
Precalculus Math Calculus

02/22/23

A power function with form y = ax^p passes through points (3, 8/243) and (5, 8/3125).
Find the constants a and pa = ______________p = ______________
Follows • 1
Expert Answers •1
Precalculus

02/22/23

At the beginning of an experiment, a scientist has 128 grams of radioactive goo. After 165 minutes, her sample has decayed to 2 grams.
What is the half-life of the goo in minutes?Find a formula for G(t), the amount of goo remaining at time t G(t)? How many grams of goo will remain after 8 minutes?
Follows • 1
Expert Answers •1
Precalculus Math Calculus

02/22/23

Question below:
The demand equation for a certain product is given by p = 116 - 0.07x, where p is the unit price (in dollars) of the product and x is the number of units produced. The total revenue obtained by... more
Follows • 1
Expert Answers •1
Precalculus Math Calculus

02/22/23

Question below:
A farmer needs to enclose three sides of a meadow with a fence (the fourth side is a cliff wall). The farmer has 32 meters of fence and wants the meadow to have an area of 128 sq-meters. What... more
Follows • 1
Expert Answers •1
Precalculus Math Calculus

02/22/23

Question below:
My friend has $312 to spend on a fence for her rectangular garden. She wants to use cedar fencing which costs $10/yard on one side, and cheaper metal fencing which costs $3/yard for the other three... more
Follows • 1
Expert Answers •1
Precalculus

02/21/23

Pre calculus question

We can find the solutions of sin x = 0.5 algebraically. (Round your answers to two decimal places.) (a) First we find the solutions in the interval [0, 2 pi). We get one such solution by taking... more
Follows • 1
Expert Answers •1
Precalculus

02/21/23

Pre calculus question
We can find some of the solutions of sin(x) = 0.2 graphically by graphing y = sin(x) and y = ?Use the graph below to estimate some of the solutions. (Let -3 pi< x < 3 pi. Enter your answers... more
Follows • 1
Expert Answers •2
Precalculus Math Calculus

02/21/23

The length of a rectangle is 8 less than twice the width. The area of the rectangle is 123 cm^2, what is the length of the diagonal?
Step by step will be much helpful for me to follow along.
Follows • 1
Expert Answers •2
Precalculus

02/20/23

Charged twice for a lesson
Good afternoon,This is just an inquiry for lesson charge which was made twice on February 6th and 7th.I appreciate your help on this matter.Asfaw
Follows • 1
Expert Answers •1
Precalculus Math Calculus

02/20/23

For what value of k will the polynomial P(x) = x^3 - 2x^2 + kx - 4 have the same remainder when it is divided by x + 3 and by x + 2
Follows • 1
Expert Answers •2
Precalculus

02/20/23

precalculus help
A phone company charges for service according to the formula: c(n)=18+0.02n, where n is the number of minutes talked, and c(n) is the monthly charge, in dollars.The rate of change in this equation... more
Follows • 2
Expert Answers •2
Precalculus

02/20/23

precalculus work helo
A town's population has been growing linearly. In 2003 the population was 24,000. The population has been growing by 2200 people each year.Write an equation for the population, P, x years after... more
Follows • 2
Expert Answers •3
Precalculus Math Calculus

02/20/23

Write an equation for a rational function with:
Vertical asymptotes at x = 4 and x = -5,x intercepts at x = -2 and x = -4, andHorizontal asymptotes at y = 4y = ___________________(I tried solving for the right specific numerator and denominator,... more
Follows • 1
Expert Answers •1
Precalculus Trigonometry

02/20/23

Solve for Trigonometric expression

A guy wire 1832 feet long is attached to the top of a tower. When pulled taut, it touches level ground 843 feet from the base of the tower. What angle does the wire make with the ground? Express... more
Follows • 1
Expert Answers •1
Precalculus Trigonometry

02/20/23

Solve for Trigonometric expression

A guy wire 1832 feet long is attached to the top of a tower. When pulled taut, it touches level ground 843 feet from the base of the tower. What angle does the wire make with the ground? Express... more
Follows • 1
Expert Answers •1
Precalculus Math Calculus

02/20/23

Write an equation for a rational function with:
Vertical asymptotes at x = 4 and x = -6,x intercepts at x = -2 and x = -5, andy intercept at 2.y = ______________
Follows • 1
Expert Answers •1
Precalculus Algebra 2 Geometry

02/19/23

I'm not sure about this...
Find the angle formed when [3, 4] and [−5, 12] are placed tail-to-tail, then find components for the vector projection that results when [3, 4] is projected onto [−5, 12]. I figured out the angle.... more
Follows • 1
Expert Answers •1
Precalculus Math Calculus

02/19/23

Given 8i is a root of polynomial, P(x) = x^3 - 4x^2 + 64x - 256, find the remaining roots and write in factored form.
Find a possible formula for P(x). You do not need to simplify your answer.P(x) = Answer format should look like (x-a)(x-bi)(x+bi))
Follows • 2
Expert Answers •1
Precalculus Math Calculus

02/19/23

A polynomial of degree 4, P(x) has leading coefficient 1, and has roots of -3 + i and 3 with multiplicity 2.
Find the possible formula for P(x). You do not need to simplify your answer.P(x) =Answer format should look like (x-a)^2(x-(b+i))(x-(b-i))
Follows • 1
Expert Answers •1

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.