04/29/20

#### Use the integration capabilities of a graphing utility to approximate the volume of the solid generated by revolving the region bounded by the graphs of the equations about the x-axis.

y=√3xy=x2Round to 4 decimal places.I have gotten 5.882 and 1.8721 and 6.53. All marked wrong.

04/29/20

#### The SI unit for speed is?

03/17/20

#### Parametric Equations

Parametric equations for the line segment between (-2,10) and (7,2) have the form:x(t)=a+bty(t)=c+dtIf the parametric curve starts at (-2,10) when t=0 and ends at (7,2) at t=1, then find a, b, c,...
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10/11/19

#### The measure of an angle is 24 more than 4 times its complement. Find the measure of the angle.

I just need the measurement of the angle

10/11/19

#### related rates question

Two cars start moving from the same point. One travels south at 32 mi/h and the other travels west at 24 mi/h. At what rate is the distance between the cars increasing four hours later?

10/07/19

#### Find the half-life (in hours) of a radioactive substance that is reduced by 40 percent in 35 hours

#### PHYSICS HELP - A particle moves along the x axis..

A particle moves along the x axis according to the equation x = 2.08 + 3.01t − 1.00t2, where x is in meters and t is in seconds.(a) Find the position of the particle at t = 3.40 s.(b) Find its...
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10/07/19

#### Inequalities(Double equations)

(x+1)(x-2)---------------- ≥0x^2+7x-8Please explain this question.Part of the answer is -1≤x≤1. But how to get the range of it? I can't figure it out. Thank you.

#### Solve the equation below. List all the solutions. Include all complex solutions. 8x^3−27=0

Help me out please! I have no idea how to solve it.

10/07/19

#### At a playground, two kids are playing at the swings. One is rotating the swing (with the other child on it) to twist the chains together.

At a playground, two kids are playing at the swings. One is rotating the swing (with the other child on it) to twist the chains together. Once the swing is let go, the child on the swing whirls...
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10/02/19

#### Average Rate of Change

Find the average rate of change of f(x) = 4x^2-9 between the points (x, f(x)) and (x+h, f(x+h))

10/02/19

#### If DM=25, DG=r+2, GM=2r-13, what is the value of r?

graph looks like this:0----------------0----------------0D G M

10/02/19

#### Second Derivative

In March of 2009, when the U.S. was in a major recession, an Economist columnist wrote, "but is it possible to take comfort from the fact that conditions are deteriorating less alarmingly?...
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10/02/19

#### Proving the sum rule

Show that if each of f and g is a function and S(x) = f(x) + g(x), then S’(x) = f’(x) + g’(x). Would I use the limit formula limx->a [f(x)+g(x)] = limx->a f(x) + lim x->a g(x). I have the...
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10/02/19

#### Percentages, discounts, taxes

Suppose you bought 5 sandwiches for you and your friends, each of which cost $8.15, not including 8% tax. After adding the tax, how much change would you get from a fifty-dollar bill?

10/02/19

#### Algebra solving equations

Find find three consecutive integers so that the sum is 60 show your equation and all

10/01/19

#### Minimum Coefficient of static friction

A curve that has a radius of 95m is banked at an angle of 10.2 degrees If a 1000kg car navigates the curve at 70km/h without skidding, what is the minimum coefficient of static friction between...
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#### Use interval notation to indicate where 𝑓(𝑥) is continuous.

Let f(x)= the cubed root of 3x-5Use interval notation to indicate where 𝑓(𝑥) is continuous.I found x to be 5/3 and the interval notation to be [5/3,INF) however it is saying it is incorrect and I...
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09/05/19

#### WHat is the volume of the box? DOmain of the box

an open box is to be made from a flat piece of material 30 inches long and 6 inches wide by cutting equal squares of length x from the corners and folding up the sides. What is the volume of the...
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04/19/19

#### A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle.

What is the area of the largest possible Norman window with a perimeter of 49 feet?

#### Find the number of trees per acre that will give the greatest yield per acre.

An orchard has an average yield of 25 bushels per tree when there are at most 40 trees per acre. When there are more than 40 trees per acre, the average yield decreases by ½ bushel per tree for...
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