Mark M.

Precalculus

06/23/23

Find the period of the function y = -5 cos (x). A) 5 B) 𝜋5 C) 2⋅𝜋 D) 𝜋

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Precalculus

06/23/23

True or False? Determine if the pair of angles are co-terminal: 315o ; 7⋅𝜋/ 4

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Precalculus

06/23/23

True or False? -60o is the radian measurement 𝜋6 .

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Precalculus

06/23/23

The point P lies on the terminal side of the angle. Find the value of the trigonometric function: 𝑃(−(5),5) ,𝑐𝑜𝑡(Θ)

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Math Algebra 1 Algebra 2

06/21/23

Erin is saving up for a $6000 dormitory. She earns 70 dollars a day, and currently has $1645 in her bank account. How long (in days) will it take for Erin to reach her goals? Find an equation, solve.

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Algebra 2

06/21/23

Story Problem algebra

An inlet pipe and a swimming pool can be used to fill the pool in 25 hours. The drain pipe can be used to empty the pool in 30 hours if the pool is 1/3 filled and then the inlet pipe and drain pipe... more

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Calculus

06/20/23

Inverse Functions

The cost of producing q articles is given by the functionC = f(q) = 110 + 5qFind a formula for the inversef-1(C) =

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Calculus

06/19/23

Half-Life Question

A. The half-life of radium-226 is 1620 years. If the initial quantity of radium is Q0, write a formula for the quantity, Q, of radium left after t years.B. What percentage of the original amount of... more

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Geometry

06/19/23

cylinder 1324

The diameter of a cylindrical water tank is 8ft, and its height is 10ft. What is the volume of the tank?

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Geometry

06/19/23

cylinder 1324

The diameter of a cylindrical water tank is 8ft, and its height is 10ft. What is the volume of the tank?

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Geometry

06/19/23

cylinder 1324

The diameter of a cylindrical water tank is 8ft, and its height is 10ft. What is the volume of the tank?

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Precalculus

06/15/23

Precalc coterminal with given angle

Find an angle between 0 and 2𝜋 that is coterminal with the given angle.-5 𝜋/3 in fraction form

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Precalculus

06/15/23

Precalc angle that is coterminal

Find an angle between 0° and 360° that is coterminal with the given angle.−980°

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Precalculus

06/15/23

Precalc Radian measure

Find the radian measure of the angle with the given degree measure. Round your answer to three decimal places.−160°

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Math Calculus

06/15/23

Math HW Help Needed

Find the coordinates of a point on a circle with radius 25 corresponding to an angle of 40∘(x,y) = (Incorrect,Incorrect)Round your answers to three decimal places

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Calculus

06/14/23

word problem calc

Authorities conducted an investigation and found that the chemical Trioxin was illegally dumped into the local swamp. Exactly four days after the assumed time of the crime, the amount of Trioxin... more

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Precalculus

06/14/23

Precalc Exponential equation

Find the solution of the exponential equation, as in Example 1. (Enter your answers as a comma-separated list.)4x − 1 = 64x=

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Precalculus

06/14/23

Precalculus Polynomials

Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x) and express the quotient in the form P(x)/D(x)= Q(x)+ R(x)/D(x)P(x) = 3x3 + 9x2 − 6x − 1, D(x)... more

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Precalculus

06/13/23

The angle t is an acute angle and sin t and cos t are given. Use identities to find tan t, csc t, sec t, and cot t. Where necessary, rationalize denominators.

sin t = 4/5cos t = 3/5tan t = ____

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Algebra 1

06/13/23

Melvin plays tennis and swims for a total of 110 minutes every day.

He plays tennis for 40 minutes longer than he swims. Part A: Write a pair of linear equations to show the relationship between the number of minutes Melvin plays tennis (x) and the number of... more

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