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Precalculus Math Calculus

11/04/22

Modeling using Variations

Write a function describing the relationship of the given variables.p varies inversely with the square of qq and when q=2, p=11p+

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Precalculus Math Calculus

11/04/22

Modeling using Variations

Write a function describing the relationship of the given variables.y varies directly with the square of x and when x=4, y=192y=

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Precalculus Math Calculus

11/04/22

Modeling Using Variation

Suppose that z varies jointly with the cube of x and the square of y.Find the constant of proportionality k if z = 2188.8 when y = 3 and x = 4.k = Using the k from above write the variation... more

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Precalculus

11/04/22

A truck with 26-inch diameter wheels is traveling at 65 mi/h. Find the angular speed of the wheels in radians per minute.

A truck with 26-inch diameter wheels is traveling at 65 mi/h. Find the angular speed of the wheels in radians per minute.How many revolutions per minute do the wheels make?

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Precalculus Math Trigonometry

11/04/22

in the triangle ABC, AC=19, angle C= 55, angle a = 30, find side AB

it said the correct answer is 19sin(55)/sin(95)I don't understand why it wouldn't just be 19sin(55) why is all over sin(95)

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Precalculus Math Trigonometry

11/04/22

if tana=-(√11)/5 and sinb= (2√10)/7 with pi/2 < a,b < pi find the value of cos(a+b)

the correct answer is (15-2√110)/42confused on how exactly to set up solving for this

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Precalculus

11/03/22

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway, both on one side of the plane.

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway, both on one side of the plane. If the angle of depression to one... more

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Precalculus Math Trigonometry

11/03/22

If sina=-5/8 with 270<a<360 determine sina/2

the correct answer is: (1/4)(sqrt(8-sqrt(39))I'm unsure how they got the eight and the 1/4

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Precalculus Math Calculus Mathematica

11/03/22

Below is the graph of the derivative f'(x) of a function defined on the interval (0,8).

Below is the graph of the derivative f'(x) of a function defined on the interval (0,8).(A) For what values of x in (0,8) is f(x) increasing?Answer:Note: Use interval notation to report your... more

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Precalculus

11/03/22

Precalculus: Find exact value of the expression: tan θ[sin^-1 (4/5) + cos ^-1 (1)]

Find exact value of the expression: tan θ[sin^-1 (4/5) + cos ^-1 (1)]

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Precalculus

11/03/22

Pre-cal: Find the exact value of each of the following: a) sin (A+B) b) cos(A+B) c) sin(A-B) d) tan (A-B)

Find the exact value of each of the following:a) sin (A+B) b) cos(A+B)c) sin(A-B) d) tan (A-B)under the given conditions:i sin A = 3/5 , 0<A<pi/2 cos B = (2sqrt(3))/5 , ... more

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Precalculus

11/03/22

Precalculus: Establish the identity

Establish the identity(secθ - cosecθ)/(sec θ)(cosec θ) =sin θ - cos θ

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Precalculus

11/03/22

Precalculus: Find a general solution

cos θ =-sin (-θ)

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Precalculus

11/03/22

I need help with this question please

R has degree 4 and zeros 4 - 5i and 3, with 3 a zero of multiplicity 2.

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Precalculus

11/03/22

Pre-Calculus Math

I need help with this question? Please? In part a it says to find the zeros of p, real and complex including repetitions? A polynomial P is given. P(x) = x^4+ 4×^2 + 4(a) Find all zeros of P, real... more

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Precalculus

11/02/22

For the simple harmonic motion described by the trigonometric function, find the maximum displacement, the frequency, the value of d when t = 4 and the least positive value of t for which d = 0.

For the simple harmonic motion described by the trigonometric function, find the maximum displacement, the frequency, the value of d when t = 4 and the least positive value of t for which d =... more

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Precalculus Math Algebra 1 Algebra 2

11/02/22

find the growth rate of f(x)=4e^2x (as a percentage)

I found the initial value and Y int. without an issue but the "e" is confusing me. If someone could help me with this that would be great. The answer is supposed to be as a percentage.

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Precalculus Math Algebra 1 Algebra 2

11/02/22

find the growth rate of f(x)=4e^2x

I found the initial value and Y int. without an issue but the "e" is confusing me. If someone could help me with this that would be great.

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Precalculus

11/02/22

Pre calc special right triangle

Find the opposite side of the right triangle. ADJACENT side = 7 Angle A = 30 degreesdoesn't provide hypotenuse

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Precalculus

11/02/22

Precalculus solving equations with sin and cos

4(1+sin theta)=cos^2 theta

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Precalculus

11/02/22

Precalculus solving equations

sin(2 theta)+sin(4 theta)=0

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Precalculus

11/02/22

Given a quadrilateral ( -7, 2 ) ( -5, -8 ), ( 3, -9 ) and ( 4, -3 ) show that the line segments joining the midpoints of the opposite sides bisect each other.

Division of a Line Segment and Midpoint of a Line Segment

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Precalculus

11/02/22

Given a quadrilateral whose vertices are ( 3, 5 ) , ( 4, -1 ), ( 8, -2 ) and ( 9, 7 ), show that the line segments joining the midpoints of adjacent sides from a parallelogram.

A lesson about Division of a Line Segment and Midpoint of a Line Segment

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Precalculus

11/02/22

Three vertices of a parallelogram are ( 5, 12 ), ( 2,7 ) and ( 6, 1 ) joined in the order named. Find the 4th vertex

This is a lesson about Division of a Line Segment and Midpoint of a Line Segment, can you please solve this with a clear solution and the formula used.

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Precalculus

11/02/22

How far (in km) apart are the towns? (Round your answer to one decimal place.)

A passenger in an airplane at an altitude of 10 kilometers sees two towns directly to the east of the plane. The angles of depression to the towns are 26° and 56° (see figure). How far (in km)... more

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Modeling using Variations

Modeling using Variations

Modeling Using Variation

A truck with 26-inch diameter wheels is traveling at 65 mi/h. Find the angular speed of the wheels in radians per minute.

in the triangle ABC, AC=19, angle C= 55, angle a = 30, find side AB

if tana=-(√11)/5 and sinb= (2√10)/7 with pi/2 < a,b < pi find the value of cos(a+b)

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway, both on one side of the plane.

If sina=-5/8 with 270<a<360 determine sina/2

Below is the graph of the derivative f'(x) of a function defined on the interval (0,8).

Precalculus: Find exact value of the expression: tan θ[sin^-1 (4/5) + cos ^-1 (1)]

Pre-cal: Find the exact value of each of the following: a) sin (A+B) b) cos(A+B) c) sin(A-B) d) tan (A-B)

Precalculus: Establish the identity

Precalculus: Find a general solution

I need help with this question please

Pre-Calculus Math

For the simple harmonic motion described by the trigonometric function, find the maximum displacement, the frequency, the value of d when t = 4 and the least positive value of t for which d = 0.

find the growth rate of f(x)=4e^2x (as a percentage)

find the growth rate of f(x)=4e^2x

Pre calc special right triangle

Precalculus solving equations with sin and cos

Precalculus solving equations

Given a quadrilateral ( -7, 2 ) ( -5, -8 ), ( 3, -9 ) and ( 4, -3 ) show that the line segments joining the midpoints of the opposite sides bisect each other.

Given a quadrilateral whose vertices are ( 3, 5 ) , ( 4, -1 ), ( 8, -2 ) and ( 9, 7 ), show that the line segments joining the midpoints of adjacent sides from a parallelogram.

Three vertices of a parallelogram are ( 5, 12 ), ( 2,7 ) and ( 6, 1 ) joined in the order named. Find the 4th vertex

How far (in km) apart are the towns? (Round your answer to one decimal place.)

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