# 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 198
1. ## geometry

An artist wants to make a statue of a man who is 6 feet tall. The artist wants the scale of the statue to be 3.2. What is the height of the statue?

asked by kirk on August 18, 2016
2. ## math

A length of string that is 22 feet long is being cut into pieces that are 1/3 foot long. How many pieces will there be? 22x3=66 pieces

asked by Peggy on December 17, 2014
3. ## Area and Perimeter Word Problems

The area of a basketball court is 4,700 square feet. The length of the court is 94 ft. What is the width of the basketball court?

asked by Mashayla on January 11, 2015
4. ## geography

triangle one side is 5 feet one side is 1 foot 1 corner has 90 degrees. how many degrees do the other corners have and how long is the other side?

asked by hildchen on October 22, 2017
5. ## Electronics

Here we examine noise in a digital channel between an AND gate and an inverter shown in Figure 16. The channel has a length of D=30m and noise is added in at the rate of 0.6Vm. To correct for that noise, we introduce non-inverting buffers into the channel.

asked by AmmanJordan on May 3, 2013
6. ## chemistry

The molar mass of a volatile liquid(one which vaporizes easily) can be determined by a the 'Dumas Method.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that

asked by Dee on November 3, 2010
7. ## AP Chemistry

The molar mass of a volatile liquid (one which vaporizes easily) can be determined by a the DUMAS METHOD.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that

asked by D on November 4, 2010
8. ## physics

A 0.70 kg ball is moving horizontally with a speed of 8.8 m/s when it strikes a vertical wall. The ball rebounds with a speed of 3.7 m/s. What is the magnitude of the change in linear momentum of the ball? -I am not sure how to honestly to figure this one

asked by sam on December 2, 2010
9. ## Physics

The athlete shown in the figure rotates a 1.00 kg discus along a circular path of radius 1.07 m. The maximum speed of the discus is 19.0 m/s. Determine the magnitude of the maximum radial acceleration of the discus.

asked by Snooki on February 5, 2011
10. ## Geography

im doing this geography crossword. could you help me figure out what these words are?:) its 5 letters.. organic material that improves soil fertility the last letter is S ..and this one? its 14 letters.. Ability of land to be used for a certain purpose.

asked by Rebecca on April 27, 2010
11. ## physics

A 0.70 kg ball is moving horizontally with a speed of 8.8 m/s when it strikes a vertical wall. The ball rebounds with a speed of 3.7 m/s. What is the magnitude of the change in linear momentum of the ball? -I am not sure how to honestly to figure this one

asked by sam on December 2, 2010
12. ## math

I can't figure this out after many tries. The closest I got to was 367. Please help me!! Add the appropriate signs (+, -,x,/) to complete each math problem. Each sign is to be used one time for each math problem. Solve each problem going from left to

asked by Elizabeth on May 16, 2019
13. ## math

What is the payoff for a loan with monthly payments of \$359.69, after 26 payments have been made, contract was for 3yrs. at an annual interest rate of 9.2%? need to figure out payoff with 10 payments left, not working out for me

asked by crash on July 6, 2015
14. ## College Physics

A hockey puck is sliding down an inclined plane with angle θ = 12.4° as shown in the figure below. If the puck is moving with a constant speed, what is the coefficient of kinetic friction between the puck and the plane?

asked by Shannon on October 13, 2014
15. ## Math

I have the problem: A triangle has a base of 3.6 cm and an area of 22.32 cm squared. What is the height of this triangle. The teacher gave us the answer key and I know the answer is 12.4 but I don't know how they came to that answer. I can't figure out how

asked by Brandi on February 1, 2012
16. ## Algebra

write an equation for a rational function that has a vertical asymptote of -4, a horizontal asymptote of 3, and vertically shrinks the graph by a factor of 5 (compared to the graph of y=1/x). So far I have Y=3x/x+4 but I can't figure out how to shrink the

asked by Donna on August 10, 2015
17. ## Math

An object is launched at 9.8 meters per second from a 73.5-meter tall platform. The object's height s (in meters) after t seconds is given by the equation s(t)= -4.9t(-4.9t) - 9.8t = 73.5. When does the object strike the ground? I can't figure out how to

asked by Joe on March 11, 2016
18. ## Math

Sue decides to collect postcards. She starts her collection with seven cards. Every week, she buys three more cards to add to her collection. How many weeks will it take her to have more than 30 cards? 11 7 8 30 Can somone help me figure out the equation

asked by Jess on September 7, 2018
19. ## math!!!!!!! help

Traniers measure horses in hands the distance acrosss an adults plam the average height of a horse is 15 1/2 hands if a hand is bout 1/3 foot how tall is an average horse in feet?

asked by niki on October 27, 2010
20. ## algebra 2

Darla is building a new desk. To make sure she had made a square corner, she measures 4ft. from the corner along one edge and 6ft. from the corner along the other edge. How long (in feet) should the diagonal be between those two points if the corner is a

asked by Esther on March 28, 2011
21. ## Perimeter

Mr.lopez is putting u a fence around his vegetable garden. The garden is shaped liked a rectangle. The longer sides are 14feet, and the shoter sides are 9 an half feet long. How much fencing should mr. Lopez buy?

asked by Mr.lopez on April 10, 2012
22. ## math

A flagpole casts a shadow s feet long when the angle of elevation of the sun is a. Write an expression to find the height of the flagpole. The possible answers are: a. s/tan a b. s cos a c. s sin a d. s/sin a e. s tan a

asked by Anonymous on September 6, 2009
23. ## Calculus

Joshua jumps from a platform diving board that is 32 feet above the water. The position of the diver can be modeled by s(t) = -16t2+16t+32, where s is his position and t is the seconds that have gone by since he jumped. When does the diver hit the water,

asked by Connor on November 8, 2014
24. ## Math

Nessie built a fence in her backyard the perimeter is 45 feet long . When she arrived at the store they were only selling fences by yards. There is 3ft in 1 yard . How many yards of fencing Nessie order for her backyard?

asked by Anabelle on September 16, 2013
25. ## Trigonometry

A crow is on the ground 80 feet from the base of a 45 foot tall tree. It then flies straight throught the air to the top of the tree. What is the angle of the crow's flight path relative to the ground ?

asked by Drake on January 24, 2010
26. ## Maths

John and Kathleen are fertilizing their 13,000 square foot lawn,One bag of fertilizer covers 5,000 square feet.What is the fewest number of bags they need to purchase to fertilize their lawn ?

asked by prince on February 28, 2017
27. ## Perimeter

Mr.lopez is putting u a fence around his vegetable garden. The garden is shaped liked a rectangle. The longer sides are 14feet, and the shoter sides are 9 an half feet long. How much fencing should mr. Lopez buy?

asked by Mr.lopez on April 10, 2012
28. ## Precalculus

A farmer has 1000 feet of fencing materials available to fence a rectangular pasture next to a river. If the side along the river does not need to be fenced, what dimensions maximize the enclosed area? What is the maximum enclosed area?

asked by Eva on December 11, 2014
29. ## Math

a company charges Mae \$625 to maintain 1000 square feet of lawn. the company restores Walters 800 square foot lawn at the same rate. How much does Walter have to pay?

asked by Ilovemath on March 1, 2011
30. ## Algebra 2( it's a tough one!)

Jose needs to enclose a rectangular section of his yard. The area is 35 sq. ft. and the perimeter is 27 sq. ft. Find the length and width of the section. let l be the length, and w be the width in feet. so 2l+2w=27 --->l+w=13.5 ----> w=13.5-l secondly

asked by Christian on May 3, 2007
31. ## 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? _______pounds

asked by Leo on June 14, 2012
32. ## math

You are reducing a map of dimensions 2 ft by 3 ft to fit to a piece of paper 8 in by 10 in. What are the dimensions of largest possible map that can fit on the page? I really don't know how to do this but so far I tried to make 2 proportions by changing

asked by keisha on November 24, 2007

A lawn care company charges a \$10 trip fee plus \$0.15 per square foot of x square feet of lawn for fertilization. Which equation represents the relationship? a. x= 0.10y+15 b. y= 0.15x+10 c. y= 10x+0.15 c. x= 10y+0.15 *

asked by karly on October 29, 2014
34. ## precalc

When an airplane leaves the runway, its angle of elevation is 18 and its speed is 275 feet per second. Find the airplane’s altitude after one minute (60 seconds). Assume a constant angle of elevation. Draw the scenario, if you can.

asked by victoria on May 5, 2016
35. ## math

A mason's assistant's rate of pay is \$0.75 per cubic foot of earth moved. He moves 220 cubic feet of earth to dig a trench. What is his pay for this job? THE ANSWER IS NOT &330

asked by Stacey on June 17, 2013
36. ## CST GEOMETRY

a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of the tree to the nearest foot?

asked by carolina on March 25, 2013
37. ## Math

what is the minimum distance (in feet) that a batter runs after hitting a home run at Yankee Stadium? Is it the same minimum distance at citi field (formerly Shea Stadium)? Is it the same at all professional ball parks?

asked by Katlyn on September 30, 2013
38. ## math

A 3000 pound car is pushed 500 feet by three boys. A force of 60 pounds is required to move the car. How much work did the boys accomplish? How much work can each boy claim if he did his share?

asked by walt on March 30, 2008
39. ## MATH

A gardener is building a raised flower bed that measures 16′ long, 5′ wide and 1′ deep. If the gardener wants to fill the flower bed 3/4 full, how many cubic feet of gardening soil does he need to buy? 60 Is this right?

asked by PENNI on June 6, 2016
40. ## geometry

a recreation has the following dimensions. 15ft,33ft, 12ft, and 12ft. Carpeting will cost \$ 1.50 per square foot. How many square feet of carpet will be needed and how much will it cost. Include correct units in each solution.

asked by angela on May 19, 2012
41. ## trigonometry

There is a plane arriving into Denver, CO. The plane is landing with an angle of depression of 42°. The plane is 18,000 feet off of the ground. Find how far the plane will travel horizontally before hitting the ground. (Round to the nearest hundredth)

asked by chana on October 18, 2012
42. ## Math

The figure below are similar. Their rectangles, find the value of x. Skinny triangle has a 2 on top, and a 4 on the side. Bigger rectangle is side ways, it has a 8 on top and a x on the side

asked by Anonymous on April 4, 2016
43. ## School

When given three given kinds of meat, three kind of cheese, and three kinds of bread of bread. Lisa can make 27 kinds of sandwich. I cannot figure out what piaget stage this is?

asked by M on October 9, 2015
44. ## Math

What is the most precise name for each space figure that has the given properties. 1. four lateral faces that are triangles? 2. three lateral faces that are rectangles? 3.a lateral surface and one circular base?

asked by Edith on November 21, 2010
45. ## chemistry

how many molecules are present in 4.25 mol if CCl4? 1 mol = 6.022 x 10^23 molecules Therefore, how many molecules are in 4 moles? I don't have a calculator to figure out that problem, but I do understand it. i mn

asked by larry on February 7, 2007
46. ## chemistry

Calculate the amount of heat required to heat a 4.0kg gold bar from 20∘C to 61∘C. Specific heat capacity of gold is 0.128 J/g∘C. How do we figure this out?

asked by Anon on December 12, 2014
47. ## Maths

Draw and label a figure to represent the congruent triangle. Then find X and Y. Triangle YXZ congruent triangle CAB, m

asked by Ola on June 7, 2017
48. ## Math

John has closed square prism with a base of 36 square inches and a surface area of 360 square inches. Figure out its height?

asked by Sam on May 31, 2016
49. ## Math

What is the most precise name for each space figure that has the given properties. 1. four lateral faces that are triangles? 2. three lateral faces that are rectangles? 3.a lateral surface and one circular base?

asked by Edith on November 21, 2010
50. ## Circle geometry

Please help Explain how I figure this out. A circle has diameter 70cm. A chord in the circle is 50cm long. How far is the chord from the center of the circle? I have been stuck on this for days. I appreciate any help. Thank you!!

asked by Cherie on April 10, 2014
51. ## math/area

On grid paper I have a capital letter I three cubes across to make the top of letter I, three cubes in the middle, and three cubes across the bottom? So, how would I figure out the area?

asked by Jenna on May 19, 2010
52. ## math.help pls

A line segment with endpoints A(–4, 3, 2) and B(5, –6, –1) is translated first 2 units back, 3 units right, and 1 unit up. The image is then translated 7 units to the left. What are the coordinates of B´? A: (3, 4, 0) B: (3, –10, 0) C: (5, –6,

asked by Skye on February 20, 2015
53. ## Chemistry 104

A 0.30M solution of a weak monoprotic acid is 0.41% ionized. what is the acid-ionization constant, Ka for this acid? Use. HA + H2O H3O + A to figure out X for H3O and A

asked by Viv on March 12, 2013
54. ## algebra

4x = y > 6 does it make since if you put a line under >. Because that is the question I am suppose to figure out. The sentence says that 4x is equal to y. But y is greater than or equal to six. dividing through by 4, this means that x=y/4, and therefore, x

asked by shelly on July 4, 2007
55. ## Pre-Calculus

One walker was sponsored \$100 plus \$5 for the first kilometre, \$10 for the second kilometre, \$15 for the third kilometre, and so on. How far would this walker need to walk to earn \$150? (I know it is 4 km, but I can't figure out how to write the general

asked by Lucina on March 11, 2015
56. ## chem-help

Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a

asked by Anne on December 3, 2008
57. ## Legal

I am struggling with this one. I've been working on it for a while now and can't seem to figure it out. Any help understanding these would be a great help! If tom sues for breach of contrac,t and Bill wants to deny that the obligantion was ever created,

asked by Justie on April 12, 2008
58. ## French

ARGH!! i cant figure this out :'( I've got this question in French and i cant understand it... Si tu avais un oiseau emblème, lequel choisiirais-tu, et pourquoi? Quels caracteristiques a-t-il qui appartiennement aussi à toi? I think it says "If you have

asked by ... on May 20, 2008
59. ## college

Use the following information to identify element A and compound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790 torr and a

60. ## Algebra Word Problem Help

A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The gardener will use the wall for one side and the available fencing for the remaining three sides. If the sides perpendicular to the wall have length x

asked by Jeanna on August 6, 2009
61. ## Algebra Word Problem Help

A gardener has 40 feet of fencing with which to enclose a garden adjacent to a long existing wall. The gardener will use the wall for one side and the available fencing for the remaining three sides. If the sides perpendicular to the wall have length x

asked by Jeanna on August 7, 2009
62. ## ALGEBRA 117

2. Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are \$1,400 for setup costs and \$4.00 to administer each test. a. Write an expression that gives the total cost to test x

asked by LOST on August 13, 2011
63. ## math

Area of a trampoline is 201.1 square feet. The safety padding around the jumping surface is 1 foot wide. What is the area of the jumping surface?

asked by Mona on March 7, 2011
64. ## Math

Jane is going to walk once around the edge of a rectangular park. The park is 200 yards long and 300 feet wide. How far will Jane walk?

65. ## maths

13feet ladder is placed 5feet away from the wall . the distance from the ground straight up to the top of the mall is 13 feet. will the ladder touch the top of the mall?

asked by victor on October 25, 2013
66. ## Math

Do you want me to cut strips of wrapping paper that are each 9 inches right if TY has two rolls of wrapping paper bad our age 15 feet long how many 9 inch can he cut

asked by Bethany on March 25, 2019
67. ## calculus

A spherical balloon is inflated so that its volume is increasing at the rate of 3.2 ft3/min. How rapidly is the diameter of the balloon increasing when the diameter is 1.1 feet?

asked by gloria on January 25, 2017
68. ## algebra

The area of a rectangular wall of a bran is 96 square feet. Its length is 4ft. longer than the width. Find the length and width of the wall.

asked by Michael on September 8, 2008
69. ## Math

In a circus a tightrope is stretched from the top of a 10 ft. pole to the top of a 25 ft pole. The poles are 36 feet apart and vertical. How long is the tightrope? Show your work.

asked by Amy on November 30, 2016
70. ## math

There are two 100-foot poles. A 150-foot rope connects them at the top. The bottom of the rope hangs to 25 feet from the ground. How far apart are the poles?

asked by Mary on December 17, 2012
71. ## Math

Janet uses 3 feet of ribbon to decorate each pillow. The ribbon comes in 225-foot rolls. How many pillows will she be able to decorate with one roll of ribbon? Will there be anything ribbon left over?

asked by Johan on May 22, 2016
72. ## Math

Janet uses 3 feet of ribbon to decorate each pillow. The ribbon comes in 225-foot rolls. How many pillows will she be able to decorate with one roll of ribbon? Will there be anything ribbon left over?

asked by Johan on May 22, 2016
73. ## Math

A penguin is swimming 18 feet below sea level. Write an integer to represent the penguin's position relative to sea level. My answer is -18 is this right

asked by Johnnie on February 12, 2019
74. ## Math

Ty needs to cut strips of wrapping paper that are each 9 inches wide. If Ty has 2 rolls of rapping paper that are each 15 feet long, how many 9- inch strips can he cut?

asked by Kylie on April 21, 2016
75. ## geometry

the area of a triangle is 27 square feet. its height is three times the length of its base. find the height and base of the triangle. i am unsure of how to set it up, please help

asked by jill on August 19, 2016
76. ## physics

if im standing 28 meters from a tree....the tree is leaning 7 degrees vertically away from u...the degree of elevation is 26 degrees from feet to tree...whats the height of the tree?

asked by josh on December 6, 2009
77. ## geometry

thebottom of the ladder is 3 feet from the building. the ladder makes an angle of 75 degree with the ground. how high up on the building does the ladder reach? how long is the ladder?

asked by donta on October 18, 2012
78. ## Math

The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?

asked by Joo on March 11, 2015
79. ## Math

The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?

asked by Abhishek on March 11, 2015
80. ## math

To needs to cut strip of wrapping paper that are each 9 inches wide.If TV has 2 rolls of wrapping paper that are each 15 feet long,how many 9 inch strips can he cut?

asked by Olivia on March 10, 2015
81. ## Calculus

The velocity of a ball that has been tossed vertically in the air is given by v(t) = 16 − 32t, where v is measured in feet per second, and t is measured in seconds. The ball is in the air from t = 0 until t = 2. Determine the value of v'(1). What are the

asked by George on July 6, 2015
82. ## Algebra

The length of a rectangular parking lot is 4 times its width w. The perimeter of the parking lot is 450 feet. Write an equation for the perimeter. Thanks. (:

asked by lostinmathclass on April 20, 2009
83. ## math

The height h in feet reached by a golf ball after t seconds is given by h(t)=-16t squared+120t, After how many seconds does the golf ball strike the ground?

asked by amy on March 17, 2014
84. ## English

Thank you very much. I just have two more doubts. "I like going clothes shopping OR shopping for clothes". How do you express a person's height? Do you express it using meters or feet? Can you please give me examples? 1.60 m.(how do you read it?)

asked by Henry2 on September 21, 2011
85. ## statistics

Heights of young adult US women are approximately normal with mean 64" and standard deviation 2.7". What proportion of all US young adult women are taller than 6 feet?

asked by Anonymous on September 9, 2010
86. ## Math

a ball rebounds 1/2 of the height from which it is dropped. The ball is dropped from a height of 136 feet and keeps on bouncing. How far will it traveled when it strikes the ground the third time?

asked by Karen on August 29, 2010
87. ## Math

Farmer John (not the bacon guy) raises ducks and cows. He has 54 animals which all together have 122 feet. How many of each type of animals does Farmer John have?

asked by Erika G. on April 14, 2015
88. ## Math

A 12-foot ladder is set up 5 feet from the base of a building. How far up the building does the ladder reach? Round your answer to the nearest tenth of a foot.

asked by Serena on January 30, 2014
89. ## Trigonometry

A building is 50 feet high. At a distance away from the building, an observer notices that the angle of elevation to the top of the building is 41 degrees. How far is the observer from the base of the building?

asked by Jeffrey on June 1, 2015
90. ## math

the ratio of the consumption of gas to new york one year to that in chicago was 7 if 120 billion cubic feet were - 4 . consumed in chicago,what was the consumption in new york?

asked by chris on February 3, 2010
91. ## Math

Horses are measured in units called hands. One hand equals 1/3 foot. A horse is 5 1/3 feet tall. How tall is this horse in hands?

asked by Anonymous on March 22, 2015
92. ## math

the ratio of the consumption of gas to new york one year to that in chicago was 7/4.if 120 billion cubic feet wereconsumed in chicago,what was the consumption in new york?

asked by chris on February 3, 2010
93. ## Calculus

A spherical balloon is inflated so that its volume is increasing at the rate of 3.2 ft3/min. How rapidly is the diameter of the balloon increasing when the diameter is 1.2 feet?

asked by Aggie123 on March 23, 2015
94. ## calc

A particle moves along the x-axis with velocity v(t) = t^2 − 1, with t measured in seconds and v(t) measured in feet per second. Find the total distance travelled by the particle from t = 0 to t = 2 seconds.

asked by Anonymous on August 13, 2015
95. ## algebra

every inch on a model is equivalent to 3.5 feet on the real boat. what would be the mathmatical rule to express the relationship between the length of the model, m, and the length of the boat, b?

asked by HALEY on August 16, 2011
96. ## statistics

Heights of young adult U.S. women are approximately normal with mean 64" and standard deviation 2.7". What proportion of all U.S. young adult women are taller than 6 feet?

asked by Ashley on January 23, 2012
97. ## chemistry

please explain how to figure out subshells The number of subshells is the same as N. If N = 1 we have 1 subshell If N = 2, we have 2 subshells, the s and p If N = 3, we have 3 subshells, the s, p, and d. If N = 4, we have 4 subshells, the s, p, d, and f.

asked by sh on September 20, 2006
98. ## sci

Read Appendix B , "Assessment of Malathion" in your Axcess Materials. Refer to "the 4 steps of risk assessment" in Chapter 4 on page 73 to assist you in putting together an outline about the risks of using Malathion. Use your outline to help you write a

asked by theben on January 13, 2009
99. ## alg

suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous height. How high will the ball rebound after its third bounce. round to the nearest tenth.. my teacher told be the answers 9.2 but i

asked by jerson on June 9, 2008
100. ## Algebra 2

An object is dropped from a small plane. As the object falls, its distance, d, above the ground after t seconds, is given by the formula d = –16t2 + 1,000. Which inequality can be used to find the interval of time taken by the object to reach the height

asked by Austin on July 10, 2015