# Posts by Mehak

Total # Posts: 49

**Biology**

According to reputation theory "ontogeny repeats phylogeny " it means that an individual during it development repeats it's ancestors history

**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

**physics**

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

**calculus**

thanks :)

**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 :)

**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 :)

**calculus**

thanks steve :)

**calculus**

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

**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 :)

**statistics**

What the hell ?

**statistics**

okay , so I had this questions on quiz today and I don't 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= ...

**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 :)

**calculus**

thank you steve :)

**calculus**

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

**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

**english**

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

**calculus**

I mean 75 not 65

**calculus**

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

**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

**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 ...

**Calcuslus-Calculus-Calculus**

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

**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 ...

**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 ...

**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 ...

**algebra**

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

**Algebra**

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

**Algebra**

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

**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 ?

**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?

**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 ?

**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 ?

**Calculus**

Yea i did made a diagraam and thanks .

**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?

**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?

**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?

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

thank you .

**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?

**calculus**

Thank you !

**calculus**

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

**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 ?

**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 ?

**Calculus**

Thanks

**Calculus**

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

**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.

**Calculus**

Thaanks that helped a lot <3

**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 ...

**Calculus**

Can you please gimme the whole procedure ?

**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 ...

**physics 111**

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