915 Answered Questions for the topic Pre-Calculus

Pre Calculus Precalculus Pre Calculus

12/04/20

Estimate the angle to the nearest one-half radian.

________ radians
Pre Calculus Precalculus Pre Calculus

12/04/20

Find the length of the arc on a circle of radius r intercepted by a central angle 𝜃. (Round your answer to two decimal places.)

Radius r (12 feet)Central angle 𝜃 (𝜋/4 radians)Arc length s: ______ feet
Pre Calculus Precalculus Pre Calculus

12/04/20

Find (if possible) the complement and supplement of the angle. (Enter NONE in any unused answer blanks.)

3𝜋/4complement:supplement:
Pre Calculus Precalculus Pre Calculus

12/04/20

Rewrite each angle in degree measure. (Do not use a calculator.)

(a) 7𝜋/2_____ °(b) 22𝜋/15_____ °
Pre Calculus Precalculus Pre Calculus

12/04/20

Evaluate (if possible) the six trigonometric functions of the real number t. (If not possible, enter IMPOSSIBLE.)

t = 3𝜋 / 2sin (t) =cos (t) = tan (t) =csc (t) = sec (t) = cot (t) =
Pre Calculus Precalculus Pre Calculus

12/04/20

Construct an appropriate triangle to complete the table. (0 ≤ 𝜃 ≤ 90°, 0 ≤ 𝜃 ≤ 𝜋/2)

Function: csc 𝜃 (deg): ______ 𝜃 (rad): ______Function value: √2

12/02/20

Continuous Exponential Growth Model

The mass of a substance, which follows a continuous exponential growth model, is being studied in a lab. A sample increases continuously at a relative rate of 16% per day. Find the mass of the... more

12/02/20

How to find the points of intersection between a circle and a parabola?

Use x(squared)+2y=12 and x(squared)+y(squared)=36 as an example. I've been trying to review for my finals and this is the topic that has been very challenging for me. Thank you!
Pre Calculus Math Trigonometry

11/27/20

Polar Coordinates

The rectangular coordinates of a point are given. Find polar coordinates ​(r,θ​) of this point with θ expressed in radians. Let  r>0 and −2π<θ<2π.​(2​,−2sq root of3​)
Pre Calculus Precalculus Pre Calculus

11/24/20

Solve for the exact solutions in the interval [0,2π). Separate solutions with a comma.If the equation has no solutions, respond with DNE.

Solve for the exact solutions in the interval [0,2π). Separate solutions with a comma.If the equation has no solutions, respond with DNE.sin(5x)= - 1/2
Pre Calculus Precalculus Pre Calculus

11/24/20

Give the smallest two solutions of sin(3θ) = -0.0271 on [ 0, 2 π]

Give the smallest two solutions of sin(3θ) = -0.0271 on [ 0, 2 π]. Separate the two solutions with a coma.
Pre Calculus Precalculus Pre Calculus

11/24/20

Give the smallest two solutions of cos (2θ) = 0.8212 on [0, 2π). Separate the two solutions with a comma

Give the smallest two solutions of cos (2θ) = 0.8212 on [0, 2π). Separate the two solutions with a comma
Pre Calculus Precalculus Pre Calculus

11/22/20

Complete the table for a savings account in which interest is compounded continuously. (Round your answers to four decimal places.)

Initial Investment: $350Annual % Rate: ______ (%)Time to Double: ______ (yr)Amount after 13 years: $435.21
Pre Calculus Precalculus Pre Calculus

11/22/20

A new 2014 luxury sedan that sold for $38,880 has a book value V of $24,319 after t = 2 years.

(a) Find a linear model for the value V of the sedan.V(t) =(b) Find an exponential model for the value V of the sedan. Round the numbers in the model to four decimal places.V(t) =(c) Use a graphing... more
Pre Calculus

11/21/20

find cot theta and csc theta if csc theta = 5/2 and cos<0

11/20/20

Precalculus help

With respect to which of the following is the graph of -7x^6 + 2xy + 5=0 symmetric?

11/20/20

the half-life of a substance is 15 days. there's 2.5 grams of the substance initially.type an expression for the amount of substance as a function of t. when will there be less than 1 g remaining?

f(t) = __ (simplify your answer)there will be less than 1 gram remaining after about __ days. (round to the nearest tenth as needed)

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.