Friday

September 30, 2016
Total # Posts: 48

**science**

a car travels due east on the level road for 3km it then turns due north at the intersection and travels 4km before stopping the magnitude of resultant displacement of car

*May 5, 2015*

**physics**

what will be the young's modulus of copper wire pf length 0.15 m and radius 0.2 cm

*February 13, 2015*

**calculus**

thanks :)

*November 1, 2011*

**calculus**

Find equations for two lines through the origin that are tangent to the ellipse 7x2−168x+y2+62=0 please show me the steps :)

*November 1, 2011*

**calculus**

Find the coordinates of all points on the graph of y=23−x2 at which the tangent line passes through the point (10,26).please show the work i greatly appreciate it :)

*October 30, 2011*

**calculus**

thanks steve :)

*October 28, 2011*

**calculus**

I don't get how you solved 2^(-3/2)and got 1/sqrt2

*October 28, 2011*

**calculus**

Find all values of a such that y=a/(x−8) and y=x^2−16x+64 intersect at right angles? please how the steps :)

*October 28, 2011*

**statistics**

What the hell ?

*October 27, 2011*

**statistics**

okay , so I had this questions on quiz today and I dont even remember the question properly but i wanted to know how you solve so I can see if I got it right questions : Imagine a college student is looking her chances of getting interview calls from A= calgary B= california P...

*October 27, 2011*

**calculus**

Find all values of a such that y=a/(x−9) and y=x^2−18x+81 intersect at right angles? please how the steps :)

*October 26, 2011*

**calculus**

thank you steve :)

*October 25, 2011*

**calculus**

please help ? deravative of cot^2x-csc^2x ?

*October 25, 2011*

**english**

we have to do a close reading for the part where she describes her time on the turkey farm with her father and I have to generate a thesis statement from that passage and I cant come up with anything

*October 23, 2011*

**english**

what can be a thesis statment for alice munro's short story " miles city montana"?

*October 23, 2011*

**calculus**

I mean 75 not 65

*March 16, 2011*

**calculus**

Reiny the answer is suppose to be 65/(120+4h) . I dunno i m not geting itt

*March 16, 2011*

**calculus**

yea i was wondering that too but there isn't any height given so i think i will leave the answer with the height !thanks <3

*March 16, 2011*

**calculus**

The troough down the center of the ccattle barn is 40 cm wwide at thhe top and 20 cm at the botttom .it is 30 cm deep and 8 m long . It iis filled at a rate of 10 dm3/min. What is the rate of rise of water level . I tried it and me ans is pretty close but not exact so just ...

*March 16, 2011*

**Calcuslus-Calculus-Calculus **

Thank you and yea i tried it but i was makin a minor mistake and now i see it .

*March 16, 2011*

**Calcuslus-Calculus-Calculus **

A rocket arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at that time.the rocket is obserrvved from 2000 m away from the launch pad.at. What rate is the distance of the roocket from observer channging when the ...

*March 16, 2011*

**calculus ( help please )**

The troough down the center of the ccattle barn is 40 cm wwide at thhe top and 20 cm at the botttom .it is 30 cm deep and 8 m long . It iis filled at a rate of 10 dm3/min. What is the rate of rise of water level . I tried it and me ans is pretty close but not exact so just ...

*March 15, 2011*

**calculus**

A rocker arises from its launching pad with a velocity given. By 0.1 h m/s ,where h m is the height reached by the rocket at that time.the rocket is obserrvved from 2000 m away from the launch pad.at. What rate is the distance of the roocket from observer channging when the ...

*March 15, 2011*

**algebra**

How to factor 4x^3 -4x+16 ? how can i factor it when its missing the ^2 term ?

*March 15, 2011*

**Algebra**

I know that but i wanna factor it till the end and how can i do it when its missing the squared term.

*March 14, 2011*

**Algebra**

How to factor 4x^3 -4x+16 ?

*March 14, 2011*

**calculus**

A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?

*March 14, 2011*

**Calculus**

A spherical balloon a has a diameter 2 m when it is 1500m high . It is observed that the diameter increases at a constant rate of 4cm/min as it continues to rise. At what rate is the volume increasing when the diameter is 4m . At what rate is the surface area imcreasing then?

*March 13, 2011*

**Calculus**

A water trough on a farm has an isosceles triangle croos section which is 60 cm across the top and 20m deep.the trough is 3m long . If itbis empty and then filled at a rate of 0.5 m3/min , how fast does the water level rise when the deepest point is 9cm ?

*March 13, 2011*

**Calculus**

A rectangular prismatic tank has the following dimensions :length is 3 m, width is 2m . And depth is 3m .it is being filled with water and the surface level is rising at 20cm/min.what is the inflow rate of water at the tank ?

*March 13, 2011*

**Calculus**

Yea i did made a diagraam and thanks .

*March 13, 2011*

**Calculus**

A boat is pulled into a dock by a rope attached to the bow of the boat an passing through the pulley on the deck that is 1m high than the bow of the boat ,if the rope is pulled im at the rate of 0.8m/s how fast does the boat approach the deck when it is 10m from the dock?

*March 13, 2011*

**Calculus**

A boat is pulled into a dock by a rope attached to the bow of the boat an passing through the pulley on the deck that is 1m high than the bow of the boat ,if the rope is pulled im at the rate of 0.8m/s how fast does the boat approach the deck when it is 10m from the dock?

*March 13, 2011*

**Calculus**

A boat is pulled into a dock by a rope attached to the bow of the boat an passing through the pulley on the deck that is 1m high than the bow of the boat ,if the rope is pulled im at the rate of 0.8m/s how fast does the boat approach the deck when it is 10m from the dock?

*March 13, 2011*

**Calculus(answer needed immediatly,thanks)**

thank you .

*March 13, 2011*

**Calculus(answer needed immediatly,thanks)**

A paper cup has the shape of a cone with height 8cm and radius 3cm at the top. Water is being poured into the cup at the rate of 2cm3/s. How fast is the water level rising when the water is 6cm deep?

*March 13, 2011*

**calculus**

Thank you !

*March 12, 2011*

**calculus**

But did u use pythagoram theorom an how did u manipulate it ? And thanks because the answer is right .

*March 12, 2011*

**calculus**

A plane flies horizontally with a speed Of 600km/h at an altitude of 10km and pasess directly over th town of quinton .find the rate at which the distance from the plane to quinton is increasing when its 20km away from quinton ?

*March 12, 2011*

**Calculus**

A plane flies horizontally with a speed Of 600km/h at an altitude of 10km and pasess directly over th town of quinton .find the rate at which the distance from the plane to quinton is increasing when its 20km away from quinton ?

*March 12, 2011*

**Calculus**

Thanks

*March 12, 2011*

**Calculus**

Okaay thaat makes sense but do i get 8 or 50 as your answer if u solve it fully .thanks .

*March 12, 2011*

**Calculus**

Shouldnt you have used the formula of volume of cone which is 1/3 pi r^2 h . And the answer should be 8 or 50 but by your procedure i m not getting it .I appreciate you help.

*March 12, 2011*

**Calculus**

Thaanks that helped a lot <3

*March 12, 2011*

**Calculus**

a pond that lies in a crater is being drained at the rate of 1000m3/min.If the crater has the shape of an inverted cone of radius 200(at he original water level) and original depth is 50 m (at the center) find that rate at which the water level begins to fall.How fast is it ...

*March 12, 2011*

**Calculus**

Can you please gimme the whole procedure ?

*March 12, 2011*

**Calculus**

a pond that lies in a crater is being drained att he rate of 1000m3/min.If the crater has the shape of an inverted cone of radius 200(at he original water level) and original depth is 50 m (at the center) find that rate at which the water level begins to fall.How fast is it ...

*March 12, 2011*

**physics 111**

i did not understand it. please solve it till the end

*September 14, 2007*

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