Saturday

February 13, 2016
Number of results: 170,070

**math**

the height that a ball bounces varies directly as the height from which it is dropped. A ball dropped from a height of 20cm bounces 16cm a) Find the height of the bounce if the ball is dropped from a height of 280cm b) Find from waht height the ball was dropped if it bounces ...
*January 13, 2009 by lisa*

**Math**

You drop the rubber ball from height h it bounces back to 60% of its original height. Write an equation you can use to find the height h?
*October 8, 2012 by Need Help*

**math**

A rubber ball is dropped from an unknown height. It bounces back to 60% of its original height. Write an equation you can use to find height.
*October 28, 2012 by Dene'*

**Math**

Football Lesson 5.1 1. y= -0.035x^2 + 1.4x + 1, where x is the distance (in yards) and y is the height (in yards) a. Does the graph open up or down? b. Does the graph have a Maximum value or a minimum value? c. graph the quadratic function. (i'll graph it just write it in the ...
*November 11, 2007 by Monte'*

**Math**

The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=-4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) H=height h=initial height I didn't make this clear on the last post sorry. A ...
*April 4, 2012 by Anonymous*

**math**

Theresa wanted to find the height of her school's flagpole in inches. Theresa is 5 feet and 2 inches tall. She estimated that the flagpole was about 10 times her height, so she created the formula below to find the flagpole's height. height = (12 x 5 + 2) x 10 Using Theresa's...
*December 15, 2013 by Eden S.*

**Math **

The height(h) of an object that has been dropped or thrown in the air is given by: h(t)=-4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) A ball is thrown vertically upwardd from the top of the Leaning Tower of Pisa (...
*April 4, 2012 by NeedHelp*

**MATH**

The height h (in meters) of a cannonball t seconds after it is fired into the air is given by h=-4t^2+16t+9. a) What is the initial height of the cannonball? What feature does this correspond to on the graph? b) Find the height of the cannonball after 1 second. c) What is the ...
*March 8, 2014 by Josh*

**7th grade math Ms. Sue please last questions!**

15. Find the area of a triangle with a base of 9.3 ft. and the height is 3.5 ft. 32.55 ft² 24.81 ft² 16.275 ft² 11.0 ft² 16. Find the area of a parallelogram with a base of 15 in. and the height is 7 in. 105 in² 110 in² 52.5 in² 210 in² 17. Find the area of a trapezoid with ...
*February 13, 2013 by Delilah*

**HELP MS.SUE MATH 5TH GRADE**

Theresa wanted to find the height of her school's flagpole in inches. Theresa is 5 feet and 2 inches tall. She estimated that the flagpole was about 10 times her height, so she created the formula below to find the flagpole's height. height = (12 x 5 + 2) x 10 Using Theresa's ...
*December 15, 2013 by Eden S.*

**Math**

Rita kicks a football. Its height h, in metres, after t seconds is given by h = —4.9t^2 + 22.54t + 1.1. To one decimal place, find the maximum height of the football and the time when it reached this height.
*January 22, 2009 by gagan*

**Math Help (URGENT X10)**

This is really urgent so please please please help. The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=-4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) H=height h=initial height ...
*April 4, 2012 by Anonymous*

**MATH**

The path of a large stone fired from a catapult can be modeled by y= -0.00545x^2+1.145x where x is the distance the stone traveled (in yards) and y is the height of the stone (in yards). 1. find the distance the stone traveled. 2. find the maximum height of the stone. AND (...
*December 7, 2010 by Shannon*

**math **

The volume of each shape is 250 cubic inches. A) Find the height of a cylinder with a radius of 3 inches. 250/3^2/ 3.14 = height of cylinder? B)Find the radius of the sphere. Is it just 3 inches? C) Find the height of a cone with a radius of 3 inches. I need help with this can...
*May 16, 2012 by lila*

**Physics**

Find the speed, v, of a pendulum at the bottom of its swing (B), given that it has mass m and initial height at A is h (the difference in height from B to A). Your answer will be in terms of g as well. Included is a drawing of a pendulum at its maximum height (A), and at its ...
*December 27, 2012 by Dan*

**Math**

Randy throw a base ball straight upwards, releasing it 6 ft above the round, and giving it an initial speed of v = 128 ft/sec. Use the formula h = -16t^2 + vt + 6 ft( where t = time , h = height ) to find the maximum height of the ball to reach this height.
*March 15, 2013 by Tom*

**math**

1.The base of a triangle is 5cm greater than the height. The area is 33cm(2). Find the height and the length of the base? Height? Base? 2. Factor X(2)-7x 3.Factor 5a(6)-1080a(3) 4. Find the GCF 5x(9),5x,-20= For this one I think the gcf is 5 Is this correct? 5. Factor by ...
*May 16, 2010 by Mickey*

**math**

Let’s suppose you throw a ball straight up with an initial speed of 50 feet per second from a height of 6 feet. a.Find the parametric equations that describe the motion of the ball as a function of time. b.How long is the ball in the air? c.Determine when the ball is at ...
*May 15, 2010 by Anonymous*

**math**

a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time before the ...
*April 20, 2010 by miley*

**math**

a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time before the ...
*April 20, 2010 by piper*

**math**

math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time before the ...
*April 20, 2010 by piper*

**Math**

Height of a Projectile. The height of a projectile is described by the equation: s(t)=144t-16t^(2) Where t is in seconds and s(t) is the height of the projectile at time t. Find when the projectile hits the ground.
*October 12, 2015 by Ashley*

**math**

Find the slant height for a right circular cone with a radius of 3 and a height of 5.
*July 9, 2014 by kyle*

**Math**

Find the lateral area of a tetrahedron. Slant height is 13in 12in for height.
*October 6, 2015 by Ashley*

**ap calculus**

The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 6 feet is given as a function of time t (in seconds) by s(t)=-16t^2+112t+20. 1. What is the maximum height of the ball? 2. At what time does the maximum height ...
*September 18, 2009 by muffy*

**MATH please help with this ?**

math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time before the professor...
*April 21, 2010 by joelle*

**Math**

Wile E. Coyote catapults himself off of a 500 ft. cliff with an initial velocity of 20 ft/sec. His height t seconds after catapulting is given by the function h(t) = −16t2 + 20t + 500 . (Note the y-intercept of (0, 500). a. Find his maximum height (Hint: he reaches ...
*September 12, 2014 by Irina*

**Math**

Suppose you want to find the height of a flagpole. You know your height.You can measure the length of the shadow of the flagpole. Your friend can measure your shadow. How can you use ratios to find the height of the flagpole? Explain.
*September 30, 2010 by Kasia Neil*

**Math**

Suppose you want to find the height of a flagpole. You know your height.You can measure the length of the shadow of the flagpole. Your friend can measure your shadow. How can you use ratios to find the height of the flagpole? Explain.
*September 30, 2010 by Kasia Neil*

**Math**

VWXYZ is a rectangle-based pyramid where WX = 66 cm and XY = 32 cm. The vertex is vertically above the center of the base. GIven that the slant heights of VA and VB are 56 cm and 63 cm respectively, find the total surfact area of the pyramid. Additionally, find the height and ...
*January 23, 2011 by Atilla*

**math**

using the formula h(x) = 1.95 x + 72.85. Find the height of a female whose femur is 35 cm long x=length and H=height.
*March 16, 2010 by Maryann*

**Math**

A rubber ball is dropped from height h. It bounces 27" (60%). Write an equation you can use to find height h
*January 29, 2014 by Jeanne*

**Math**

Charlene made the sketch below in order to find the height x of a pole. She positioned a mirror on the ground so that she could see the reflection of the top of the pole. Her height, her distance from the mirror, and her line of sight to the mirror determine the smaller ...
*February 15, 2013 by Anonymous*

**math**

a ball is dropped from a height of 3 meters. It bounces to 2/3 of the height from which it fell at each boune.find distance travelled
*September 4, 2014 by Anonymous*

**math**

find its slant height for volume of a right circular cone is 100¦Ð cm3 and its height is 12cm.
*January 16, 2016 by susovan*

**math**

a daisy is 24 inches tall. the height a sunflower is 3 1/2 times the height of the daisy . find the height of the sunflower - did not match any products.
*September 17, 2010 by Anonymous*

**math --- pls check my work!**

help pls asap!!! Check my work! 1. Find the area for the following figure. (trapazoid: bottom base 16.3, top base 5.9, height 4.6) 51.06 m^2*** 74.98 m^2 27.14 m^2 102.12 m^2 2. Find the area for the following figure. (1 point) (triangle: base 20.3, height 6.2) 125.86 cm^2 62....
*February 3, 2014 by TTR+S<3*

**Math**

Find the area of a circle with a radius of 8 cm. Use 3.14 for pi. Type your answer as a number only. Find the area of a triangle with a base of 6 cm and a height of 3 cm. Remember your formula. Question 4 Find the area of a figure with base #1 of 4 in., base #2 of 6 in. and a ...
*March 24, 2013 by paragonnova*

**Math**

A ball is dropped vertically. It reaches a height of 1.6m on the first bounce. The height of each subsequent bounce is 80% of the previous bounce. A. Find the height the ball reaches on the 6th bounce. B. Find the sum of the first seven terms of this sequence.
*March 19, 2015 by Sam*

**math advanced functions**

Canada’s Wonderland has a roller coaster named ‘Leviathan’. It boasts a maximum height of 93 m, 80⁰ drop, speeds of 148 kms and is 1673m long. At its maximum height Mr. Currie drops his gum from his mouth. The height of the gum can be given by the mathematical model: h...
*July 23, 2012 by kim*

**math**

a daisy is 24 inches tall . the height of a sunflower 3 1/2 times the height of the daisy.find the height of the sunflower umm 20
*July 28, 2010 by kamleen*

**math**

A "super ball" dropped from a height of x feet bounces to a height y that is 80% of x. Can anyone please teach me how to find its numerical, algebraic, and graphical representations? Thanks a lot!!!
*March 1, 2008 by Lusi*

**math**

Find the volume of a cone with a radius of 10 mm and a height of 6 mm. 628 mm3 600 mm3 1,884 mm3 1,254 mm3 Find the surface area of a square pyramid with a base length of 11 cm and a slant height of 15 cm. 472 cm2 451 cm2 781 cm2 330 cm2 Find the volume of a rectangular prism ...
*March 15, 2014 by Princess Anna*

**Math**

The trapezoid above has a base of 38 m and a height of 12 m. Which set of dimensions would produce a similar figure? A. base = 114 m, height = 36 m B. base = 38 m, height = 36 m C. base = 119 m, height = 36 m D. base = 109 m, height = 36 m
*May 8, 2014 by Anonymous*

**algebra**

The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 48 feet is a function of time in seconds given by h(t) = −16t2 + 32t + 48. (a) Find the maximum height of the projectile. ft (b) Find the time t when the projectile...
*December 12, 2014 by Barb*

**MATH QUIZ PLS HELP!!!**

1.Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft. Use 3.14 for ©£ and round to the nearest tenth. 439.6 ft^2 324.5 ft^2 571.5 ft^2 285.7 ft^2*** 2.Find the surface area of a square pyramid with a base length of 24 cm and a height of 16 cm. ...
*March 19, 2014 by TTR+S<3*

**Physics**

Two objects with masses 4.90 and 2.10 hang 0.800 above the floor from the ends of a cord 7.20 long passing over a frictionless pulley. Both objects start from rest. Find the maximum height reached by the 2.10 object. The heavier object will move .8 m down, the lighter will ...
*April 1, 2013 by Ben*

**algebra**

a stone is thrown up from a height of 30 ft. The initial velocity is 60 ft/sec. If s(t)= -16t^2+60t+30. Find the time at which the stone riches its maximum height and find the maximum height
*November 8, 2012 by Anonymous*

**math**

The height in feet of a rocket after t seconds is given by h(t) = 160t - 16t2. Find the maximum height the rocket attains: After how many seconds does it reach this height?
*July 8, 2013 by lisa*

**Math**

Two right angled triangles are joined with a common height and the height is 12m and base of each triangle = 5m.Find out the perimeter of whole figure
*September 5, 2015 by Shikha*

**Math help **

each time old faithful in Yellowstone national park erupts, rangers can estimate the height of the geyser by comparing it to the height of a tree. first the Rangers locate a tree of the same height . the shadow of the tree is 93 feet at the same time that the shadow of a 6ft ...
*December 6, 2014 by Anonymous*

**Math(Please help)**

Projectile motion: Let's suppose you throw a ball straight up with an initial speed of 50 feet per second from a height of feet. a) Find the equation that describes the motion as a function of time. My answer was x = 0 and y=-16t^2+50t+6 b) How long is the ball in the air? ...
*April 16, 2010 by Abbey*

**Pre Calc**

7. The Sandusky Little League uses a baseball throwing machine to help train 10-year old players to catch high pop-ups. It throws the baseball straight up with an initial velocity of 48 ft/sec from a height of 3.5 ft. a. Find an equation that models the height of the ball t ...
*November 18, 2010 by Anonymous*

**Math**

If h(t) represents the height of an object in feet above ground level at time t and h(t) is given by h(t)=−16t^(2)+14t+10 find the height of the object at the time when the speed is zero. The height of the object is h(t)= ___ feet.
*January 28, 2016 by Kyle*

**math/algebra**

the base of a rectangular prism has an area of 15.3 square inches and a volume of 185.13 cubic inches. write an equation that can be used to find the height of the prism, then find then height of the prism. Please help, asap!!!!
*April 14, 2011 by bob, Please Help,ASAP!!!!*

**math**

i have math homework and it says i have to find 1 pair of rectangle that are simular and find the scale factor but i cant find the scale factorthe k rectangle is 4 cubes base by 3cubes height and n rectangle is 12 cubes base and 1 cube height but i cant find the scal factor ...
*September 21, 2010 by hawk*

**Pre-Calc**

The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 20 feet is given as a function of time t (in seconds) by s(t)= -16t^2+112t+20. What is the maximum height of the ball? At what time does the maximum height occur? ...
*September 24, 2009 by MUFFY Question has been fixed*

**Calculus**

The Ehrenberg equation gives the relationship between the weight W (in kilograms) and the height h (in meters) of a child between the ages of 5 and 13 years old. a. Research to find the Ehrenberg equation. b. Find the relationship of a child of the height that you choose. If ...
*April 15, 2013 by Deen*

**Math help, anyone?**

Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 Find the volume of a cone with a radius of 10 mm and a height of 6 mm. 628 mm3 600 mm3 1,884 mm3 1,254 mm3 Find the lateral area of a cone with a radius of 7 ft...
*March 13, 2014 by anonymous*

**Math. please**

Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm3 108 cm3 36 cm3 152 cm3 Find the volume of a cone with a radius of 10 mm and a height of 6 mm. 628 mm3 600 mm3 1,884 mm3 1,254 mm3 Find the lateral area of a cone with a radius of 7 ft...
*March 13, 2014 by anonymous*

**Physics**

In the figure below, a stone is projected at a cliff of height h with an initial speed of 46.0 m/s directed 60.0° above the horizontal. The stone strikes at A, 5.30 s after launching. (a) Find the height, h, of the cliff. m (b) Find the speed of the stone just before impact at...
*February 4, 2013 by Rachel*

**math **

a rock is thrown straight up in the air from an initial height of ho, in metres, with the initial velocity vo, in metres per second. The height in metres above the ground after t seconds is given by h(t) = -4.9t^2 + vo + ho. Find an expression for the time it takes the rock to...
*November 29, 2013 by Kp*

**Physics I**

A stone is projected at a cliff of height h with an initial speed of 48.0 m/s directed 60.0° above the horizontal. The stone strikes at A, 5.20 s after launching. Find the height, h, of the cliff. Find the speed of the stone just before impact at A. Find the maximum height H ...
*September 13, 2011 by Amber*

**calc**

a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time before the ...
*April 19, 2010 by miley*

**Math - Geometry**

An object is launched from certain height into the air. The height is modeled by the the function h(t) = -4.8t^2+23t+20. The time (t) is measured in seconds. A) What is the maximum height? B) After how many seconds will it hit the ground? C) From what height (initial height) ...
*March 13, 2015 by Lilly*

**Algebra: Quadratic Functions**

The height of an acrobat who jumps from a trampoline 2 feet in the air is modeled by the function: y = -16x^2 + 16x + 12, where x is the time in the seconds after the acrobat jumps. 1: Find the maximum height of the acrobat. 2: Find how long it takes to reach that height. 3: ...
*April 8, 2015 by Jay*

**math**

Write in an integer that represents your height on the teeter totter that is relative to the balance point height: you are 8 inches below the balance point height or you are 15 inches the balance point height---your height is the opposite or your friend is 12 inches above the ...
*September 11, 2014 by Anonymous*

**Math**

h(t)= -204.8t sq 256t - find maximum height of jump where h(t) is height in inches and t is seconds after beginning jump
*September 6, 2009 by Patti*

**math**

I need to find the A small b, C small b, slant height, and surface area of a cone. The height is 9.2 and radius is 5.6. Please help
*May 16, 2013 by Hannah*

**PLEASE HELP ASAP!!!MATH**

Here was my question The mean height of 5 students is 59.4. If one of the students leaves, the mean height becomes 61. What is the height of the absent student? Heres Bob's answer but what does set them equal mean?? SOMEONE HELP! math - bobpursley, Wednesday, May 26, 2010 at ...
*May 27, 2010 by Michelle*

**math**

Height: The volume of a cone is 100 in^3. Find a function that models the height h of the cone in terms of its radius r.
*October 9, 2009 by David*

**Math**

Height: The volume of a cone is 100 in³. Find a function that models the height h of the cone in terms of its radius r.
*October 9, 2009 by David*

**math**

The base of a triangle is 5cm greater than the height. The area is 52cm^2. Find the height and length of the base.
*May 18, 2012 by Frank*

**Math**

The base of a triangle is 6cm greater than the height. The area is 20cm^2. Find the height and the length of the base.
*March 20, 2014 by Pam*

**math**

A rock is thrown vertically up from the ground with a velocity of 24 meters per second, and it reaches a height of 2+24t-4.9tsquare after t secounds. A. How many seconds after the rock is thrown will it reach its maximum height? B.What is the maximum height the rock will reach...
*July 16, 2007 by Tashanna*

**Math **

The height h in metres above the ground of a projectile at any time t in seconds after the launch is defined by the function h(t)=-4t +48t +3 A.) Complete the square to write H in standard form b.) Find the height of the projectile three seconds after the launch c.) Find the ...
*October 27, 2014 by Sarah*

**math**

The height of a projectile fired upward is given by the formula s = v0t − 16t2, where s is the height in feet, v0 is the initial velocity, and t is the time in seconds. Find the time for a projectile to reach a height of 96 ft if it has an initial velocity of 128 ft/s. ...
*July 11, 2011 by sabrina*

**math 9**

in a park some people are launching model rockets to find the maximum height,x,the rocket reaches, a person stands 50.0m from the launch sight and measure the angle from the ground to the rocket at its maximum height. if the angle is 36 then the maximum height,x, of rocket is...
*June 17, 2010 by steph*

**math**

The base of a triangle is 3 cm greater than the height. The area is 14cm^2. Find the length and height of the base.
*June 2, 2009 by Sadie*

**math**

The base of a triangle is 6 cm greater than twice the height.The area is 28 cm2.Find the height and the base.
*June 2, 2011 by marie*

**7th grade math please help Ms. Sue **

4. Find the area for a triangle: base 14, height 5.5. (1 point) 19.5 cm² 77 cm² 38.5 cm² 770 cm² 5. Find the area of a parallelogram: base 5.2, height 2.3. (1 point) 10.6 cm² 12.96 cm² 5.98 cm² 11.96 cm² My answers: 4. 38.5 cm² 5. 11.96 cm²
*February 6, 2013 by Delilah*

**math**

i have trouble finding the answer to this and how to srt. there is a square and i havbe to find the area. HOweever inside the square is a triangle. the base of the triangle is 3 and the leg is 7. no height is given. plz help. Is this a right triangle? Is the base or leg equal ...
*July 14, 2007 by liz*

**Math**

If you are standing near the edge of the top of a 200 feet building and throw a ball vertically upward it will be modeled by the function s(t)=-16t^2+64t+200 where s(t) is the ball's height above ground in feet and t is seconds after the ball was thrown. A) When does the ball ...
*December 7, 2015 by Anonymous*

**Differential Calculus**

A ball thrown up has a height f(t)=250t-25t^2 after t seconds. (1) find the maximum height (2) find the velocity when it hits the ground.
*August 10, 2009 by matrix school 2*

**Science**

Need help with find area of a cylinder measurement are : 1. dia 3cm height 2in 2. dia 3.5cm height 2.5 3. dia 4cm height 3in 4. dia 4.5cm height 5in
*February 21, 2009 by Amanda*

**Math - Please Help**

A right circular cone has a volume of 140 in^3. The height of the cone is the same length as the diameter of the base. Find the radius and height.
*February 17, 2013 by Barb*

**math**

i need help with finding out what formula do you use to find the B= area of base. I need to know also how to multiply by height. ( B= L.W B=9.9) WHAT COMES NEXT 5FT IS THE HEIGHT.
*June 5, 2011 by kayla*

**math**

there is to right traingles and we have to find the missing side the first traingle has 4 on the bottom and 2 as its height the second trangle has a 9 on the bottom and the x as the height which number is x. a.4.5 b.18 c.8 d.2.25 i think a
*January 14, 2015 by sam*

**Math**

The volume, V cm3 , of a cone height h is (pi)(h^3)/ 12. If h increases at a constant rate of 0.2 cm/sec and the initial height is 2 cm, express V in terms of t and find the rate of change of V at time t.
*January 28, 2015 by Aaqib zaman*

**Math**

Forensic scientists use the lengths of certain bones to calculate the height of person. A bone often used is the tibia (t), the bone from the ankle to the knee. A man’s height (h) is determined from the length of this bone using a function defined by the following formula: h(t...
*February 28, 2014 by Silvio*

**Calculus **

A ball is thrown up on the surface of a moon. Its height above the lunar surface (in feet) after t seconds is given by the formula h=308t−(14/6t^2) Find the time that the ball reaches its maximum height. Answer = Find the maximal height attained by the ball Answer =
*October 28, 2014 by Hailey*

**Algebra**

The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 240 feet is a function of time in seconds given by h(t) = −16t2 + 32t + 240. (a) Find the maximum height of the projectile. ______ ft (b) Find the time t when the ...
*November 3, 2014 by Kim*

**algebra**

The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 240 feet is a function of time in seconds given by h(t) = −16t^2 + 32t + 240. (a) Find the maximum height of the projectile. ______ ft (b) Find the time t when the ...
*November 4, 2014 by Nate*

**calculus inverted cone **

A container in the shape of an inverted cone has radius 6 ft and height 12 ft. It is being drained at 2〖ft〗^3/min. Find the rate of change of the height of the liquid in the cone when the height is 3 feet. The ratio of the radius to the height remains constant.
*November 11, 2014 by George*

**math**

We fire a missile from ground level at 1750 ft/sec. at launch angle of 10 degrees. h(t) =-16t^2 + vot +h a. find a function for height as a function b. find a function for distance from launch point as a function of time. c. when will the missile reach max height? d. What is ...
*June 21, 2015 by jc*

**math**

cory drops a bouncing ball form a height of 50 ft and it rebounds to 90% of its previous height.find the total distance the ball will have travelled when it hits the ground for the fifth time
*May 12, 2010 by Dennis*

**math**

The base of a triangle is 5cm greater than the height. The area is 18cm^2. Find the height and the base. The height is triangle is?cm The base of the triangle is?cm
*February 4, 2010 by Tina*

**Algebra: Quadratic Functions**

A model rocket is launched with an initial velocity of 128 ft/s from a height of 70 ft. The height of the rocket, in feet, t seconds after it has been launched is given by the function s(t)=−16t^2+128t+70. Determine the time which the rocket reaches its maximum height ...
*March 18, 2014 by Isiah*

**math**

A wire is stretched from the ground to the top of an antenna tower. The wire is 20 feet long. The height of the tower is 4 feet greater than the distance from the tower's base to the end of the wire. Find the height of the tower. 20 ft.= w x.4 = height of tower something like ...
*September 25, 2008 by jennifer*

**math**

Find the height of a cuboid whose volume is 168 cubic metre and the area of the base is 28 square metre. The length of a reservoir is 2.5m. It's width is 2 m and its height is 4 m. If it is half-filled with water, find the volume of the water in the reservoir. Pls consider and...
*November 22, 2015 by raj*