# How to figure out the temperature of a lake using x for the feet or the Depth and for the degrees Celsius use (3900x+1000)/(3x^2+100) with the answer of the degrees celsius being 8.44 looking like 8.44=(3900x+1000)/(3x^2+100) i need the depth

34,877 questions, page 196
1. ## CALCULUS

A cylindrical oil storage tank 12 feet in diameter and 17feet long is lying on its side. Suppose the tank is half full of oil weighing 85 lb per cubic foot. What's the total force on one endof the tank?

asked by Mishaka on March 12, 2012
2. ## physics

A 72 kg man drops to a concrete patio from a window only 0.60 m above the patio. He neglects to bend his knees on landing, taking 2.0 cm to stop. (a) What is his average acceleration from when his feet first touch the patio to when he stops? m/s2 (b) What

asked by johnny on December 11, 2008
3. ## math

A 127 foot tower is located on hill that is inclined 38° to the horizontal. A guy wire is to be attached to the top of the tower and anchored at a point 64 feet downhill from the base of the tower. Find the length of wire needed.

asked by monene on June 1, 2016
4. ## kinematics

A man stands on a slope of 20 degrees.His weight is 65kg. Given that the coefficient of static friction is 1.5, Calculate the maximum angle that the slope can have to the horizontal before he begins to slide. Also how does the pressure on his feet change

asked by dmkp on March 8, 2012
5. ## math

a farmer has enough fencing to build 40 feet of fence. He wishes to build a rectangular pen nest to his barn wall forming one side of the pen. What dimension should he make the pen so as to enclose the greatest possibility area?

asked by awes on September 13, 2011
6. ## Math

The frame for a shipping crate is to be constructed from 24feet of 2x2 lumber. If the crate is to have square ends of side x feet, express the outer volume v of the crate as a function of x (disregard the thickness of he lumber). Well, I know that v=lwh,

asked by Anonymous on February 2, 2014
7. ## Geometry

If a rotating water sprinkler is set so spray water out at a radius of 40 feet around a circular revolution of 120 degrees, what is the area of the lawn that the water from the sprinkler would then cover? Round to the nearest tenth 533.3ft?

asked by Anonymous on April 13, 2016
8. ## Math

A flower bed is 4 meters wide and 5 meters long. What is the area of the flower bed in square feet? Round intermediate calculations and your answer to the nearest hundredth.

asked by Anonymous on May 14, 2017
9. ## algebra

You live under a bridge that goes over a river. the underneath side of the bridge is an arc that can be modeled with the function y=-0.000407x^2+0.658x.Where x and y are in feet. How high is the bridge? How long is the section of bridge above the arc?

asked by jay on September 5, 2014
10. ## Math

I have 47 feet of fencing that I would like to put next to my garage to keep the animals out of my garden. I need only 3 sides to have fencing since my garage provides for the other side. I want the shape to be a rectangular garden and the length to be at

asked by Xeke on November 27, 2018
11. ## Math

The scale factor of two pyramids is 7. The surface area of the smaller pyramid is 28 square feet. What is the surface area of the largest pyramid? F - 196 ft^2 G - 392 Ft^2 J - 1,372 ft^2 H - 457 ft^2

asked by Anonymous on February 26, 2016
12. ## Math

If a pitcher throws a ball to homeplate at a speed of 57 miles per hour for the distance of 47 feet how long does it take to cross homeplate? I multiplied distance x speed and got 2679 but not sure what that means???

asked by Alicia Martinez on August 29, 2014
13. ## math

Nathan bought 8 wooden posts to build a fence. The length of each post is 6 feet 4 inches. What is the total length in inches of the 8 posts? A. 608 B. 576 C. 166 D. 76

asked by I Need Help Fast on May 28, 2014
14. ## algebra

The equation that describes the path of a small rocket after it is shot into the air is h=1120-16t^2, where h is the height above the ground, in feet, after t seconds. How many seconds does it take for the rocket to return to the ground?

asked by Amber on May 19, 2012
15. ## pre calc

A rock is dropped form the top of a cliff. It takes 12 seconds to hit the ground. What is the height in feet of the cliff?? How fast is the rock moving when it hits the ground?

asked by jim on February 19, 2012
16. ## CALCULUS - need help!

this was on the math test that i got wrong... The position equation for the movement of a particle is given by s=(t^2-1)^3 when s is measured in feet and t is measured in seconds. Find the acceleration at two seconds... i found the first derivative but i

asked by Anonymous on November 18, 2007

The velocity of a particle moving along the x-axis is v(t) = t^2 + 2t + 1, with t measured in minutes and v(t) measured in feet per minute. To the nearest foot find the total distance traveled by the particle from t = 0 to t = 2 minutes.

asked by Jane on April 27, 2017
18. ## calc

The velocity of a particle moving along the x-axis is v(t) = t2 – 2t, with t measured in minutes and v(t) measured in feet per minute. To the nearest foot find the total distance travelled by the particle from t = 0 to t = 3 minutes..

asked by Anonymous on August 22, 2015
19. ## Math

Ruth is putting up a framed map of South America in her room. She wants it exactly halfway between her door and her closet, which are 6.5 feet apart. If the map is 23 inches wide, how far will its sides be from the door and closet?

asked by Unknown on May 5, 2016
20. ## geometry

As the marketing designer for Burger King, you are given a 4 in by 6 in logo and have been told to create an advertisement that is six times larger. What is the area of your advertisement (in feet)? [12 inches = 1 ft] A. 6 ft2 B. 36 ft2 C. 72 ft2 D. 3 ft2

asked by ashley on September 21, 2010
21. ## College Algebra

A rancher wishes to enclose a rectangular partitioned corral with 1932 feet of fencing. What dimensions of the corral would enclose the largest possible area? Find the maxium area.

asked by Diane on October 4, 2013
22. ## geometry

two triangular roofs are similar. The ratio of the corresponding sides of these roofs is 2:3. If the altitude of the smaller roof is 4.5 feet, find the corresponding altitude of the larger roof. Round to the nearest hundredth. A. 7.5 B. 6.75 C. 6 D. 4

asked by ashley on September 17, 2010
23. ## algebra

You live under a bridge that goes over a river. the underneath side of the bridge is an arc that can be modeled with the function y=-0.000407x^2+0.658x.Where x and y are in feet. How high is the bridge? How long is the section of bridge above the arc?

asked by jayy22 on September 5, 2014
24. ## math

A rubber ball is dropped from a height of 729 feet, and at each bounce it rebounds one-third of the height from which it last fell. How far has the ball travelled by the time it strikes the ground for the 5th time?

asked by Jasen on November 29, 2013
25. ## Physics

A 1.60 meter tall woman is standing at the bottom of a freshwater pool. If the bottom pool is 8.00 meters deep, what is the pressure difference between the woman's feet and the top of her head?

asked by Anonymous on February 27, 2014
26. ## math

A rope is used to hold a tree upright. it is attached to the ground at a distance of 95 feet from the tree and forms an angle of 47 degree with the ground. How long is the rope to the nearest foot?

asked by natalie on February 12, 2013
27. ## spanish

I have a test on conjugation and I am trying to make sure I have done this right me duelen los pies - my feet hurt Te duele la garganta? - does your throat hurt te duelen las piernas - le duele la cabeza -

asked by sam on February 9, 2008
28. ## math

aladder attached to the side of a ship has ten rungs each one foot apart visible above the water if the water level rises 1.5 feet per hour how many rungs will be visible after 3 hours

asked by logan on October 27, 2011
29. ## British literature

how do you mark the syllables, separate the feet with vertical lines, and indicate the rhyme scheme of the following passages That time of year thou mayst in me behold______ When yellow leaves, or none, or few, do hang_____ Upon those boughs which shake

asked by alisa on December 1, 2011
30. ## english

Which contains an error in punctuation? A) His hobbies include drawing, reading, and swimming. B) When Seth hit the home run, the crowd jumped to its feet and cheered. C) Irene fixed two dozen chocolate cupcakes, for her aunt, uncle, and cousins. D) Janice

asked by star on March 5, 2019
31. ## Womens History

In the period leading up to the Revolutionary War, women's efforts in America's resistance were extensions of their roles within the home as, what? I cant figure it out, the anwers are A. Producers of household goods, B. Dependents of their husbands C.

asked by Holly on September 7, 2006
32. ## Data networks and Telecommunication

Other than the answer provided below what other questions can you ask if your boss says, "Get me some prices on switches," then what questions would you need to ask and what information would you need to pin down before starting to look at vendors?

asked by Melbut on January 18, 2012
33. ## physics

Bubba decides to go fishing one day. He gets into his boat and starts out from the boat ramp to find the perfect fishing spot in the lake. First, he goes 121 meters in a direction of 20° west of north. Then, he goes 104 meters in a direction of

asked by evan on September 7, 2018
34. ## Chemistry 1110

If 3 L of hydrogen and 1.5 L of oxygen at STP react to yield water how many moles of water are formed? What gas volume does the water have at a temperature of 100degrees C and 1 atm pressure?

asked by Trina on March 13, 2012
35. ## chemistry

Water (2690 ) is heated until it just begins to boil. If the water absorbs 5.29×105 of heat in the process, what was the initial temperature of the water?express answer in Celsius.

asked by Kyle on September 20, 2010
36. ## Physics

The temperature of a monatomic ideal gas remains constant during a process in which 4500 J of heat flows out of the gas. How much work (including the proper + or - sign) is done on the gas? J

asked by Pierre on April 19, 2008
37. ## physics

An open ended air column of length 35 cm resonates with a speaker sounding a 500 Hz note. If the air is vibrating in the fundamental mode, what temperature is the air?

asked by Kiki on November 28, 2014
38. ## Science

500g of water at 100°c is mixed with 300g of water at 20°c.specific heat capacity of water is 4.2Jg°c.find the final temperature of mixture. (Physics)

asked by Rahul on September 5, 2016
39. ## chem

Suppose a g is collected in 145 mL flask whef-tfle temperature of the gas is 23°C and the pressure of the gas is 785 mm Hg. Calculate the volume ofthe gas at STP.

asked by Ashley on February 14, 2016
40. ## chemistry

10.5 g sample of copper metal at 25.0°C is heated by the addition of 150.0 J of energy. The final temperature of the copper is _____°C. The specific heat capacity of copper is 0.38 J/ goC.

asked by jennifer on June 29, 2015
41. ## Chemistry

Calculate the value of Kp for the equation C(s)+CO2(g)2CO(g) Kp=? given that at a certain temperature C(s)+2H2O(g)CO2(g)+2H2(g) Kp1=3.33 H2(g)+CO2(g)H2O(g)+CO(g) Kp2=.733 Please show detailed steps.

asked by Julia on February 7, 2013
42. ## physics

A clock has a brass pendulum with a period of 1.000 s at 18.9°C. Suppose the clock is moved to a location where the average temperature is 33.1°C. How much time will the clock lose or gain in 6 days?

asked by mustafa on November 3, 2014
43. ## Science

How much heat is absorbed by a persons hand if 100 grams of steam at 100°C is first converted to liquid water at 100°C and then cooled to normal body temperature?

asked by Anonymous on July 13, 2011
44. ## physical science

A 12-kg iron ball is dropped onto a pavement from a height of 90m. Suppose half of the heat generated goes into warming the ball. What is the temperature increase of the ball in degree C

asked by martha on October 6, 2013

An open ended air column of length 35 cm resonates with a speaker sounding a 500 Hz note. If the air is vibrating in the fundamental mode, what temperature is the air?

asked by Kath on May 17, 2018
46. ## algebra

solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt im posting this the second time, but the first reply i got didn't help much :( can you show me how to do at least one of

asked by narmin on September 24, 2009

Calculate the Calorimeter Constant (Ccal) if 25.00 g of water at 51.50°C was added to 25.00 g of water at 25.00 °C with a resulting temperature of 35.00 °C? (*remember the specific heat capacity of water (cwater) = 4.180 J/g°C)

asked by Mary on June 25, 2013
48. ## Physics

A balloon is filled with 3.4L of helium gas at 10.C. The temperature of the balloon increases to 50. C after being placed in a car on a sunny day. What is the final volume of the balloon? (assume that B is the saem as for air)

asked by Dorrito on December 8, 2011
49. ## Physics

Suppose you put a 100 W light bulb in a container of water and use it to heat the water. How long would it take to raise the temperature of a gallon of water at 25 C to 90C? Please explain!

asked by Kpang on December 11, 2012
50. ## physics

Suppose the hand shown in (Figure 1) holds an 8.9-kg mass. The total mass of the arm is 3.3 kg. What force, FM, is required of the deltoid muscle, assuming the mass is 52 cm from the shoulder joint? So ive tried this problem multiple times but i'm not

asked by arshi on November 18, 2015
51. ## physics

PLease HeLP! You work for a moving company and are given the job of pulling two large boxes of mass m1 = 112 kg and m2 = 287 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the

asked by tom on September 10, 2010
52. ## Physics

You work for a moving company and are given the job of pulling two large boxes of mass m1 = 115 kg and m2 = 286 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the tension in each

asked by Alex on May 15, 2012
53. ## Physics

You work for a moving company and are given the job of pulling two large boxes of mass m1 = 115 kg and m2 = 286 kg using ropes as shown in the figure below. You pull very hard, and the boxes are accelerating with a = 0.21 m/s2. What is the tension in each

asked by Alex on May 15, 2012
54. ## probability

t the discrete random variable X be uniform on {0,1,2} and let the discrete random variable Y be uniform on {3,4}. Assume that X and Y are independent. Find the PMF of X+Y using convolution. Determine the values of the constants a, b, c, and d that appear

asked by JuanPro on March 28, 2014
55. ## algebra

OLD MCDONALD IS GOING TO PUT A PIG PEN UP AGAINST HIS BARN. HE HAS 45 FEET OF FENCING AND WILL ONLY NEED TO MAKE 3 ADDITIONAL SIDES, AS THE BARN ACTS AS THE FOURTH SIDE.. WHAT IS THE MAXIMUM AREA THAT THE PIG PEN CAN HAVE.

asked by Megan on December 3, 2017
56. ## math

ED is making a scale drawing of a bridge on a shrrt of paper. The actual bridge is 200 feet long . To get the dimensions for the drawing, is ED multiplying by a number greater than 1 or a number less than 1 ? Explain

asked by sam on July 26, 2013
57. ## Physics

Two dogs are playing tug-o-war. The first dog pulls with the force of 400N and the second dog is hanging on but is being pulled towards the first dog at a constant velocity. What is the force of friction between the second dog's feet and the ground?

asked by Brittany on November 7, 2017
58. ## Math

For a college football field with the dimension shown, the angle for kicking a field goal from a ( horizontal) distance of x feet from the goal post is given by∅(x)=tan^(-1)⁡〖(29.25/x〗)-〖tan^(-1) (〗⁡〖10.75/x〗) .Show that f(t)=t/(a^3+t^2 )

asked by Amna on December 17, 2014
59. ## geometry

11 11â€‹-foot ladder is placed against a vertical wall of aâ€‹ building, with the bottom of the ladder standing on level ground 7 7 feet from the base of the building. How high up the wall does the ladderâ€‹ reach?

asked by jj on January 31, 2018
60. ## Math

A model rocket is launched with an initial velocity of 212ft/sec. It's height h, in feet, after t seconds is given by the formula h=212t-16t^2. After how many seconds will the rocket first reach a height of 592ft?

asked by Pam on October 31, 2013
61. ## Geometry

I need to get the largest area of 100 feet of rope. I want to say rectangle: 40L x 40L x 10w x 10w =100 Please advise if I am on the right track. Keeping in mind that you can use any Plan Geometry Shape?

asked by Jeannie on March 27, 2011
62. ## math

Michael went scuba diving. He dropped 80 ft. below sea level.He saw a shark and came up 15 ft. to get away. When the coast was clear he sank 25 more feet. What integer represents Michael's original drop in sea level?

asked by nicole on January 18, 2012
63. ## science

Is it TRUE that a Cruise Liner, QE2, moves only 12 inches on 1 gallon of diesel fuel? No. According to specifications available online, cruising speed, the QE2 moves 49 feet per gallon consumed.

asked by Cindy on November 29, 2006
64. ## Trig/Physics

A car's wheel (with tire) is 26 inches in diameter and its center is 12 inches above the road. If the car is traveling at 60 feet per second, how fast is the highest point of the tire moving relative to the ground?

asked by Vash on September 23, 2007
65. ## Algebra

Starting from 200 ft away, your friend rides his bike toward you and then passes by you at a speed of 18 ft/s. His distance d (in feet) from you t seconds after he started riding his bike is given by d=|200-18t |. At what time(s) is he 120 ft from you? I

asked by Mom on September 21, 2015
66. ## Algebra

The formula b=26a is used in New England to estimate the minimum furnace output, b, in BTU's, for a modern house with a square feet of flooring. What is the minimum furnace output? what is a? HOW DO I FIND THESE QUESTIONS OUT?

asked by Anonymous on March 15, 2010
67. ## Maath:)

Sam is going to plant a rectangular flower garden next to his house. There will be a fence on three sides of the garden( fencing is not necessary along the houe). The area of the garden is to be 1,000sq. ft., and he has 90 feet of fencing available.

asked by Honey on April 30, 2012
68. ## math

Mary wants to build a fence in the yard to keep her dog from running away. She only has 60 feet of fencing. If she wants to create a rectangular space that has a length that is twice as long as the width. How long is each side of the rectangular space?

asked by sasha on May 17, 2015
69. ## Engineering

When we drive our car at 110 feet per​ second, we measure an aerodynamic force​ (called drag) of 61 ​pounds-force that opposes the motion of the car. How much horsepower is required to overcome this​ drag?

asked by logan on February 22, 2017
70. ## early trig

A monument stands on level ground. The angle of elevation of the top of the monument, taken at a point 425 feet from the foot of the monument, is 32º. Find the height of the monument to the nearest foot.

asked by meep on January 19, 2013
71. ## Physics

A student is about to do a push-up. Her center of gravity lies directly above P on the ﬂoor, which is 1.2 m from her feet and 0.6 m from her hands.If her mass is 56 kg, what is the force exerted by the ﬂoor on her hands? The acceleration of gravity is

asked by amanda and leah on February 8, 2012
72. ## Geometry

A 20 foot extension ladder leans against Paul’s barn wall creating a 65° angle with the ground. How many feet (to the nearest tenth) above the ground is the point where the ladder touches the wall?

asked by Jennfer on July 10, 2014
73. ## Math

Find the unit rate. Enter your answer as a mixed number. A fertilizer covers 5/6 square foot in 1/2 hours. The unit rate is ____ square feet per hour.

asked by asiah on October 6, 2016
74. ## College Math

The longest banana split ever made was 4mi 686yd long. How many feet is that? However, a 4.55 mile banana split was made in Selinsgrove, PA., in 1988. Which is longer? (Hint: 0.55 miles is 0.55 x 5280 ft.)

asked by Carol on August 20, 2012
75. ## Math

A model rocket is launched with an initial velocity of 164ft/sec. It's height h, in feet, after t seconds is given by the formula h=164t-16t^2. After how many seconds will the rocket first reach a height of 400ft?

asked by Pam on August 2, 2014
76. ## math

Given the position function, s of t equals t cubed divided by 3 minus 12 times t squared divided by 2 plus 36 times t, between t = 0 and t = 15, where s is given in feet and t is measured in seconds, find the interval in seconds where the particle is

asked by ana on April 26, 2015
77. ## Math

If a mixture of 24 lb. of cement, 48 lb. of sand, and 63 lb. of gravel is needed to make 1 cubic foot of concrete, how many pounds of sand are needed to pour a pool deck of 156 cubic feet?

asked by Rhett cowley on April 30, 2014
78. ## History

Which New Mexican geographic condition most contributed to the development of early Native American farming techniques? A)presence of wide, flat plains B)water scarcity C)availability of mining resources D)variations in temperature My Choice D

asked by Trish on August 30, 2015
79. ## child day care management,health,safety,and nutrit

Q; A child in your program has just returned after having chickenpox.You notice that she still has a few dry scabs.What should you do? A.send her home.she is still contagious B.welcome her back and let her know what there is to do today C.allow her to

asked by alex on February 16, 2011
80. ## physics

In a gas at standard temperature and pressure, what is the length of the side of a cube that contains a number of molecules equal to the population of the earth (about 6 million people at present)? I know STP is 1 atm and 273K, but I have no clue how to

asked by sarah on November 19, 2009
81. ## Chemistry

How do you work this one problem? Metal Specific Heat (J/g-C) Al (s) 0.900 Au(s) 0.129 Cu(s) 0.385 Fe(s) 0.444 Hg(l) 0.139 H2O(l) 4.184 C2H5OH(l) 2.46 Using the above table, determine the final temperature if 713.6J is released from a 48.2g sample of

asked by christine on October 24, 2010
82. ## Chemisty - Unsure how to proceed- Combustion rxn

Question as follows: If you combusted 23g of ethanol with an excess of oxygen how much heat would be released or absorbed? the only thing I've deduced is the chemical reaction: C2H6O + 302 -> 3H20 + 2C02 I'm not sure how to proceed. I need Q. Not sure

asked by Angely R. on March 21, 2014
83. ## chemistry

How to find delta H using calorimetry?? I know the answer but I m having trouble getting there!? 5.5 grams of C2H6 are burned in a bomb calorimeter with the heat of 4.96kJ/degree Celsius and holds 1000g of H20. the change in temperature is 11.34 which i

asked by homework on December 18, 2017
84. ## Language Arts

There is little, if any,m "storm" in the new movie Storm Fever. Aren't actors supposed to act, and aren't directors supposed to direct? Actor Robert Pierre seems to wander aimlessly around the set. And director Sue Smith can't seem to figure out to present

asked by Callie on December 1, 2014
85. ## Trigonometry

a 30 feet ladder resting against a building makes a 60 angle with the ground . find the Height from the ground at which the ladder touches the building to the nearest foot

asked by :) on March 5, 2012
86. ## math

A bouncing ball rises to 60% of the height from which it fell. If the ball fell from a 10 foot balcony, express the height "h" in feet as a function of the number of bounces "n".

asked by sylvana on January 24, 2014
87. ## Math

Leo wants to paint a mural that covers a wall with an area of 1734 swuate feet. The height of the eall is 2/3 of its length.What is the length and the height of the wall?

asked by Mecca on May 25, 2016
88. ## calculus

The surface area, S, of a sphere of radius r feet is S = S(r) = 4πr2. Find the instantaneous rate of change of the surface area with respect to the radius r at r = 2. (4 points)

asked by george on January 16, 2015
89. ## math

the tallest woman who ever lived cast a shadow of 10 feet while a 3 foot vertical stick cast a shadow of 3' 11". how tall was the woman to the nearest inch?

asked by alex on October 18, 2016
90. ## Math

Kim was walking down a rocky path. For 4 minutes, the elevation dropped steadily. Altogether it dropped 8 feet. What was the change in elevation per minute for the 4 minute?

asked by Matt on September 26, 2016
91. ## Math

A tree grows vertically on a slope which has an incline of 27 degrees. When the sun is at an elevation of 78 degrees, the tree casts a shadow of 48 feet directly down the slope.

asked by Meghan on September 20, 2016
92. ## PreCalculus

A tree grows vertically on a slope which has an incline of 27 degrees. When the sun is at an elevation of 78 degrees, the tree casts a shadow of 48 feet directly down the slope.

asked by Susan on September 20, 2016
93. ## Calculus

We are going to fence in a rectangular field and have a maximum of 200 feet of material to construct the fence. Determine the dimensions of the field that will enclose the maximum area?

asked by Fareed on October 26, 2014
94. ## Math

one plane at 520 feet is ascending at the rate of 40 ft per minute, while another plane at 3800 ft is descending at the rate of 120 ft per minute. How long will it take the 2 planes to be at the same altitude?

asked by Anonymous on December 14, 2010
95. ## math

asked by hannah on April 25, 2012
96. ## Algebra 2

a tortoise crawling at a rate of 0.1 mph, the hare wants to rest 30 more minutes before chasing the turtle at 5 mph. how many feet must the hare run to catch the turtle?

asked by Anonymous on September 14, 2012
97. ## Math

A 3 foot long pole leans against a wall. The bottom is 5 feet from the wall. How much farther should the bottom be pulled away from the wall so that the top moves the same amount down the wall?

asked by Karen on February 23, 2011
98. ## geometry

If a decorative sign in the form of a circle has a diameter of 10 feet, what it the area of the sign, to the nearest square foot? A. 79 ft2 B. 16 ft2 C. 157 ft2 D. 31 ft2

asked by lauren on November 17, 2013
99. ## Geometry

Casey sights the top of an 84 foot tall lighthouse at an angle of elevation of 58 degrees. If Casey is 6 feet tall, how far is he standing from the base of the lighthouse?

asked by Tati on April 17, 2016
100. ## math

You want to determine the height of your school. The building casts a 6 foot shadow at the same time you cast a 15 inch shadow. If you are 5 feet tall how tall is the building?

asked by helen on February 23, 2012