Mark M.

Math

01/18/19

The first question is: A box with an open top isgoing to be constructed from a rectangular piece of cardboard. The cardboard measures 10 x 18 inches.

The box is formed by cutting equal sized squares of side x, from the corners of the cardboard, then folding the sides up. What is the domain of the function v(x) that gives the volume of the box?

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Answers •1

College Algebra

01/18/19

Given =h(x)+x^3+2 , find the equation of the secant line passing through ,( −3,h(−3)) and ,( 1,h(1)) . Write your answer in the form y=mx+b .

I honestly have no idea how to do this

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Answers •1

Precalculus

01/18/19

Find remainder when f(x) is divided by (x-k)

f(x)= 2x3-6x2-4x+15k= -3

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Calculus Integral Summation

01/17/19

Using the RN approximation, express the area under the graph f(x) = x^−3 over [1, 9] as a limit but do not evaluate.

I don't really understand integrals and summation.

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Answers •1

Calculus

01/17/19

Estimate L4 and R4 over [0, 8] for the function f(x) = 2 sqrtx .

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Answers •1

Math

01/15/19

One inlet pipe can fill an empty pool in 6 hours, and a drain can empty the pool in 12 hours. How long will it take the pipe to fill the pool if the drain is left open?

Use t to represent time it takes to fill the pool

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Answers •2

Calculus Derivative Integral

01/15/19

Find f '(x) and f(x).

f ''(x) = 36x, f''(0) = 3, f(0) = 2

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Answers •1

Circles

01/14/19

Center (6,-5) passing through point (1,7)

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Answers •1

Calculus Precalculus Pre Calculus

01/12/19

Find f^-1(4) of f(x) = x^9 + x^3 + x + 1

Find f-1(4) of f(x) = x9 + x3 + x + 1The only way I know how to do this is by using a graphing calculator. I don't know how to solve it by hand though. If anyone knows what I should do, please let... more

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Answers •2

Calculus

01/12/19

let f(x)=x^2 and g(x)=sinx if h(x) = the integral of f(t)dt from -1 to g(x) find the value of h'(pi/6)

how do i do this? not sure what to plug in to find my answer.

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Answers •1

Math Calculus Precalculus

01/12/19

The volume of an inflating spherical balloon is increasing by dV/dt=7611 in3min. How fast is the radius increasing when the radius is r=13 in?

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Answers •1

Variation

01/12/19

Assume that w varies directly as x and inversely as the sqaure of y. When x=8 and y=4, w=18. Find w if x = 4 and y = 6.

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Answers •1

Understanding Quadrilaterals

01/11/19

Find the number of sides of polygon having interior angle 144°

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Answers •1

Arithmetric Progression

01/11/19

The first three terms of an arithmetric progression are x, 2x +y and 9x - y. The sum of these three terms is 60. Find the value of x and y. Then, calculate the eleventh term of the progression.

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Math Calculus Ap Calculus

01/10/19

find the x coordinates of all the points on the curve y=tanx, x€ (0,pi), where the tangent line is parallel to the line y= (4(x+pi)) / 3.

I have a calculus test tomorrow please help!!Thank you

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Answers •1

Math Calculus Ap Calculus

01/10/19

Find a point (if exists), Besides (0,0), where the graph of xy = x + y^2 has a nonexistence slope (also known as vertical tangent). (Use calculus to show if there is another point out there)

I have a calculus test tomorrow, please help!!thank you

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Answers •1

Math Calculus Physics

01/10/19

The height (in meters) at time t (in hours) of a balloon in the air is given by the formula h(t)= -20t^4 + 80t + 10.

A) What is the balloon's height when it starts moving?B) What is the balloon's velocity after a half hour?C) Find the maximum height of the balloon.My calculus test is tomorrow, please help!!

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Answers •1

Mathematics

01/10/19

Fractions mathematics can’t resolve

Which equivalent fractions can I use to find the difference of 5 3/12 and 1 4/9

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Answers •2

Math Geography

01/10/19

6.8 cm 2nd;40mi

On a road map of Pennsylvania, the distance from Philadelphia to Washington, DC is 6.8 cm.The map scale is 2cm ;40 mi. What is the actual distance?

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Answers •1

Algebra 1

01/10/19

suppose a^x/a^y = a^3 and a^x/a^3y = a^-5 solve for x and y

part of quotient property lesson

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Answers •1

Math

01/09/19

Write an equation in point-slope form for the perpendicular bisector of the segment with endpoints A(-2,2) and B(5,4)

Write an equation in point-slope form for the perpendicular bisector of the segment with endpoints A(-2,2) and B(5,4).

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Answers •1

Math

01/07/19

Find the value of x if one exterior angle of a regular octagon is 9x+8.

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Answers •1

Calculus

01/03/19

Find y = f(x) by solving the differential equation dy/dx = x-1 with the initial condition f(1) = 0

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Answers •1

Calculus

01/02/19

If f(x) = x^3+x , and a = 10 find (f^-1)'(a) = ?

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Answers •1

Limits Of A Function

12/27/18

Limit x tends to 0 tan5 x/sinx

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Answers •1

The first question is: A box with an open top isgoing to be constructed from a rectangular piece of cardboard. The cardboard measures 10 x 18 inches.

Given =h(x)+x^3+2 , find the equation of the secant line passing through ,( −3,h(−3)) and ,( 1,h(1)) . Write your answer in the form y=mx+b .

Find remainder when f(x) is divided by (x-k)

Using the RN approximation, express the area under the graph f(x) = x^−3 over [1, 9] as a limit but do not evaluate.

Estimate L4 and R4 over [0, 8] for the function f(x) = 2 sqrtx .

One inlet pipe can fill an empty pool in 6 hours, and a drain can empty the pool in 12 hours. How long will it take the pipe to fill the pool if the drain is left open?

Find f '(x) and f(x).

Center (6,-5) passing through point (1,7)

Find f^-1(4) of f(x) = x^9 + x^3 + x + 1

let f(x)=x^2 and g(x)=sinx if h(x) = the integral of f(t)dt from -1 to g(x) find the value of h'(pi/6)

The volume of an inflating spherical balloon is increasing by dV/dt=7611 in3min. How fast is the radius increasing when the radius is r=13 in?

Assume that w varies directly as x and inversely as the sqaure of y. When x=8 and y=4, w=18. Find w if x = 4 and y = 6.

Find the number of sides of polygon having interior angle 144°

The first three terms of an arithmetric progression are x, 2x +y and 9x - y. The sum of these three terms is 60. Find the value of x and y. Then, calculate the eleventh term of the progression.

find the x coordinates of all the points on the curve y=tanx, x€ (0,pi), where the tangent line is parallel to the line y= (4(x+pi)) / 3.

Find a point (if exists), Besides (0,0), where the graph of xy = x + y^2 has a nonexistence slope (also known as vertical tangent). (Use calculus to show if there is another point out there)

The height (in meters) at time t (in hours) of a balloon in the air is given by the formula h(t)= -20t^4 + 80t + 10.

Fractions mathematics can’t resolve

6.8 cm 2nd;40mi

suppose a^x/a^y = a^3 and a^x/a^3y = a^-5 solve for x and y

Write an equation in point-slope form for the perpendicular bisector of the segment with endpoints A(-2,2) and B(5,4)

Find the value of x if one exterior angle of a regular octagon is 9x+8.

Find y = f(x) by solving the differential equation dy/dx = x-1 with the initial condition f(1) = 0

If f(x) = x^3+x , and a = 10 find (f^-1)'(a) = ?

Limit x tends to 0 tan5 x/sinx

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