2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Precalculus

06/15/21

A particle moves along the x-axis so that at time t\ge 0t≥0 its velocity is given by v(t)=3t^2+6t-9.v(t)=3t 2 +6t−9. Determine all values of tt when the particle is at rest.
A particle moves along the x-axis so that at time t≥0 its velocity is given by v(t)=3t^2+6t−9. Determine all values of t when the particle is at rest.
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Pre Calculus

06/15/21

Modeling with Trigonometric Functions
A Ferris wheel is 40 meters in diameter and boarded from a platform that is 2 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel... more
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Pre Calculus

06/15/21

Modeling with Trigonometric Functions
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 26 and 64 degrees during the day and the average daily temperature first... more
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Pre Calculus

06/15/21

Modeling with Trigonometric Functions
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 91 degrees occurs at 5 PM and the average temperature for the day is 75 degrees.... more
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Pre Calculus Math Precalculus

06/12/21

Given the equation y=4tan(7x−56)The period is:   
Given the equation y=4tan(7x−56)The period is:   The horizontal shift is:____   units to the _____
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Pre Calculus Math Precalculus

06/12/21

A town's population has been growing linearly
A town's population has been growing linearly. In 2003, the population was 27000, and the population has been growing by 1200 people each year.Write an equation for the population x years after... more
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Pre Calculus Precalculus Sat Math

06/12/21

A population of rabbits oscillates 32 above

A population of rabbits oscillates 32 above and below average during the year, hitting the lowest value in January (t = 0). The average population starts at 650 rabbits and increases by 190 each... more
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Pre Calculus

06/11/21

Assume that 0 is a positive acute angle

Given: cos 0 = 35/37Find: Sin 20
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Pre Calculus Math Algebra 2 Precalculus

06/10/21

If f(x) = 3x-8, what is f^-1(-4)
I was given the following Piecewise function:f(x) = 3x-18, x<0f(x) = x2-8, 0≤x<3f(x) = (x-2)3, x≥3And I was asked:What is f -1(-4)It was multiple choice. The given answers were:A: -20B: 3/4C:... more
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Pre Calculus Math Algebra 1 Algebra 2

06/10/21

i have one question from my homework and i need assistance with it as soon as possible please

 For a proof by induction of the math statement below, identify the correct step for proving the theorem is true for n = k + 1.  A.)  B.) C.) D.)
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Pre Calculus Math Calculus Precalculus

06/10/21

Find the bearing from Port B to the current location of the ship.
A ship left Port A and sailed 122 miles due east to Port B. From Port B, the ship sailed 253 miles northwest and stopped. Find the bearing from Port B to the current location of the ship.
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Pre Calculus Math Calculus Trigonometry

06/10/21

Find θ if d is 2.6 miles. Round to the nearest tenth.
The radar on a ship picks up two shipwrecks, A and B, 5.12 miles beneath the surface. The distance between the shipwrecks is 1.25 miles. The angle of depression to Shipwreck B depends on the... more
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Pre Calculus Math Precalculus

06/03/21

Write the equation of the circle centered at ( 1 , − 5 ) with radius 18.
Write the equation of the circle centered at (1,−5) with radius 18.
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Pre Calculus Math Precalculus

06/03/21

Rewrite cos(x−2π/3) i im lost this is fustrating
Rewrite cos(x−2π/3) in terms of sin(x) and cos(x)
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Pre Calculus Precalculus

06/03/21

due in 1 hour Solve cos(x)=0.73 on 0≤x<2π
Solve cos(x)=0.73 on 0≤x<2πThere are two solutions, A and B, with A < BA =   B =   Give your answers accurate to 3 decimal places
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Pre Calculus Precalculus Sat Math

06/03/21

Find all solutions due in 1 hour

Find all solutions to 2sin(θ)=−√2 on the interval 0≤θ<2πθ =   Give your answers as exact values, as a list separated by commas
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Pre Calculus Precalculus

06/03/21

due in 1 hour Find an angle explain clear im not good at understanding quick
Find an angle θ with 0∘<θ<360∘ that has the same:Sine as 190∘: θ =____ degreesCosine as 190∘: θ =___  degrees
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Pre Calculus Precalculus

06/03/21

due soon !help my hw is due today precal
The angle between 0 and 2π in radians that is coterminal with the angle 11/4π in radians is  __  .
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Pre Calculus Precalculus

06/03/21

Write the equation of the circle centered at (1,−5) with radius 18.
Write the equation of the circle centered at (1,−5) with radius 18.
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Pre Calculus Math Precalculus

06/03/21

help its due soon!! The angle of elevation to the top of a Building in New York
The angle of elevation to the top of a Building in New York is found to be 5 degrees from the ground at a distance of 1 mile from the base of the building. Using this information, find the height... more
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Pre Calculus Math Precalculus Sat Math

06/03/21

precalculus hw im confsued
If θ=π/3, then cos(θ) =   sin(θ) = 
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Pre Calculus Math Precalculus Sat Math

06/03/21

pplease explain clear step by step its due soon precal
If θ=−3π/4, then find exact values for the following:sec(θ) equals   csc(θ) equals   tan(θ) equals   cot(θ) equals 
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Pre Calculus Math Precalculus Sat Math

06/02/21

A spring is attached to the ceiling and pulled 16 cm down from equilibrium and released
A spring is attached to the ceiling and pulled 16 cm down from equilibrium and released. After 4 seconds the amplitude has decreased to 7 cm. The spring oscillates 6 times each second. Assume that... more
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06/02/21

A spring is attached to the ceiling and pulled 8 cm down from equilibrium and released.
A spring is attached to the ceiling and pulled 8 cm down from equilibrium and released. The amplitude decreases by 7% each second. The spring oscillates 16 times each second. Find an equation for... more
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06/02/21

A population of rabbits oscillates 15 above and below average during the year, hitting the lowest value in January (t = 0). The average population starts at 1000 rabbits and increases by 6% each month
A population of rabbits oscillates 15 above and below average during the year, hitting the lowest value in January (t = 0). The average population starts at 1000 rabbits and increases by 6% each... more
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