# You and your friend are sledding on two sides of a triangle-shaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want

80,761 results, page 68

1. ### Trig

The question is: Set up a 2 column proof to show that each of the equations is an identity. Transform the left side to become the right side. a. (tan + cot)^2 = sec^2 + csc^2 I'm having trouble with this. b. (cos + sin)/cos + (cos - sin)/sin = csc sec I'm having trouble with ...
2. ### maths

A rhombus shaped sheet whose perimeter is 32cm and one of the diagonal is 10cm long painted on both the sides at the rate of rs5 per Sam.find the cost of painting.
3. ### Algebra 2-Probability

1. What is the theoretical probability of rolling a sum less than 5 using two number cubes? a.1/6 b.1/4 c.1/2 d.3/4 2. Segments parallel to the sides are used to divide a square board 3 ft on each side into 9 equal-size smaller squares. If the board is in a level position and ...
4. ### physics

given 1000 mL of helium at 15degrees C and 763mmHg, determine its volume at -6degrees C and 420 mmHg. my friend said she got 1.68 x 10^3 mL help, I have no idea how she got it
5. ### to ms.sue

karmen wears a wool sweater. she touches her foot on the carpet. what will happen? i said she will get shocked, but why. my friend said electrical charges flow through, but why?
6. ### math

You and a friend go biking. You bike 12 miles north and 2 miles east. What is the straight-line distance from your starting point? Round answer to the nearest hundredths
7. ### english

write a letter to your friend in another school telling him/her at least three ways you find life in the final year class is different from being in the class
8. ### Algebra help

Inga starts with K kitkat bars.She buys 5 more,and then gives half to her best friend.She finally eats 2 of them herself.she ends up with ________ bars
9. ### Math

suppose that when your friend was born your friends parents deposited \$4000 in an account paying 4.1% interest compounded quarterly. what will the account balance be after 15 years?
10. ### math

twelve friends share 4 pizzas equally. What fraction of a pizza does each friend get? i really need help thank you if you can answer. i think but im not sure it is 4/12 but im not sure pls hel me
11. ### Calculus

Assume you wish to make a box whose base is a rectangle with one side twice as long as the other side and whose volume is 100 m^3. What would the minimum surface area be, if there is a minimum surface area? b) Under the same sceenerio as in (a), what would the maximum surface ...
12. ### VHS

a triangle has sides with lengths of 11 meters, 9 meters, and 7 meters. what type of triangle is it?
13. ### math

A triangle has sides that are 6 inches, 8 inches, and 10 inches long. What kind of triangle is it?

Which of the statements is ALWAYS TRUE? A-A right triangle is a scalene triangle. B-An equilateral triangle is an isosceles triangle. C-An isosceles triangle is an obtuse triangle. D-A right triangle is an acute triangle. I got either A or D. I don't know. Also, if angle A is ...
15. ### geometry

I need to figure out this proof, the figure is two triangles forming a rhombus. Given: segment BD is the angle bisector of triangle ABC and triangle ADC Prove: Triangle ABD is congruent to Triangle CBD So far I have segment BD is the angle bisector of triangle ABC and triangle...
16. ### Science

I'm desperate and I cannot find the answer to this question.... As the name implies, globular proteiens tend to have a roundish, globular shape. What types of side chains might you expect to find on the amino acid residues that face the outside of a globular protein if it is ...
17. ### geometry

show that the sum of the squares of the lengths of the medians of triangle equals three-fourths the sum of the squares of the lengths of the sides.(hint:place the triangle so that its vertices are at points(-a,0),(b0)and (0,c))
18. ### Object Oriented Programming Concept Using C++

Q. Use following relationship as sides in case of rectangle and base and height in case of triangle: Area of Rectangle = X* Y Area of Triangle =1/2 * X* Y
19. ### math

User: Ariana Bouillon In Course: M/J Mathematics 2 V9 ( 2820) Instructor: Mrs. Susan Lafferty 08.03 Experimental Probability Warning: There is a checkbox at the bottom of the exam form that you MUST check prior to submitting this exam. Failure to do so may cause your work to ...
20. ### MATH

1) A cube has a side length of 7 in. What is the volume of the cube? MY ANSWER:21 2) A cube has a side length of 14 meters. What is the volume of the cube? A. 2744 m3 B. 1176 m3 C. 168 m3 D. 42 m3 MY ANSWER: D
21. ### chemistry

2H2 + O2 yield 2H2O , so if i switch it around, 2H2O yield 2H2 + O2. Would it change which one is breaking bond, which one is making bond. So technically is the left side always breaking bond, right side is forming bond
22. ### algebra math

mandy used a square card board to make an open box by cutting small squares from its corners and then bending the sides.The lenght of the side of the the card board used 60cm.question How would you represent the lenght of the sideof the box formed
23. ### math

The back of Dante's property is a creek. Dante would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 720 feet of fencing available, what is the maximum possible area of the pasture?
24. ### Algebra

The back of George's property is a creek. George would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 300 feet of fencing available, what is the maximum possible area of the pasture.
25. ### Physics

A child sits down on one end of a horizontal seesaw of negligible weight, 2.14 m from the pivot point. No one balances on the other side. Find the instantaneous angular acceleration of the see-saw and the tangential linear acceleration of the child.
26. ### physics

A cannon on a level plain is aimed 50 degrees above th e horizontal and a shell is fired with a muzzle velocity of 1200 ft/s toward a vertical cliff 3200 ft away. How far above the bottom does the shell strike the side wall of the cliff?
27. ### physics

A child sits down on one end of a horizontal seesaw of negligible weight, 1.96 m from the pivot point. No one balances on the other side. Find the instantaneous angular acceleration of the see-saw and the tangential linear acceleration of the child.
28. ### Math 7th Geometery

I have a complex figure like a U shape. I understand the formula for this is l x w = a Can you show me the steps? 31m is parael to 31m this would be the height (sides of the U)?? or is this the width? Length 69m Width is on the right top of U 23m. Inside the middle of the U23m...
29. ### physics

sorry i have about 5 questions on this homework packet that i just can't figure out.... hope you can help me A bowling ball (mass = 7.2 kg, radius = 0.12 m) and a billiard ball (mass = 0.41 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of ...
30. ### Physical Science

Please use the Bohr model simulator at Michigan State University to complete the table below: initial orbital ending orbital Wavelength (nm) 3 2 4 2 2 434 2 410.2 7 2 397 4 3 5 3 Bohr Model Simulation McGraw-Hill (Java)
31. ### physics

A girl coasts down a hill on a sled, reaching the bottom with a speed of 8.6 m/s. The coefficient of friction between the sled's runners and the snow is 0.050, and the girl and sled together weigh 670 N. How far does the sled travel on the surface before coming to rest?
32. ### Physics

A 50kg skier pushes off the top of a hill with an initial speed of 5m/s. Neglect friction. How fast will he be moving after dropping 20m in elevation? I was wondering if i did this problem correct. PE + KE_f = KE_i mgh +1/2mv_f^2 =1/2mv_i^2 50(10)(20) + 1/2 (50)v_f^2 = 1/2(50...
33. ### physics

A 50kg skier pushes off the top of a hill with an initial speed of 5m/s. Neglect friction. How fast will he be moving after dropping 20m in elevation? I was wondering if i did this problem correct. PE + KE_f = KE_i mgh +1/2mv_f^2 =1/2mv_i^2 50(10)(20) + 1/2 (50)v_f^2 = 1/2(50...
34. ### language

Write the verb in each sentence. Write whether the action is past, present, or future 1. A Potter adds sand to the clay (adds, present) 2. Then he rolls the clay into long, pipe-shaped pieces. (Pipe-shape, past) 3.Another potters will use a potter's wheel . (will use, future) ...
35. ### calculus

A square-based, box-shaped shipping crate is designed to have a volume of 16ft^3. The material used to make the base costs twice as much (per ft^2) as the material in the sides, and the material used to make the top costs half as much (per ft^2) as the material in the sides. ...
36. ### optimization calcus

A rectangular rose garden will be surrounded by a brick wall on three sides and by a fence on the fourth side. The area of the garden will be 1000m^2. The cost of the brick wall is \$192/m. The cost of the fencing is \$48/m. Find the dimensions of the garden so that the cost of ...
37. ### Geometry

True or False: If a ray bisects an angle of a triangle, then it also bisects the side opposite the angle. If a plane intersects a cylinder, then the intersection must be a circle. I think the first one is true and the second one is false.
38. ### Geometry

True or False: If a ray bisects an angle of a triangle, then it also bisects the side opposite the angle. If a plane intersects a cylinder, then the intersection must be a circle. I think the first one is true and the second one is false.
39. ### math

chiang picked 12 apples.she gave 1/6 of the apples to each of her 5 frinds.how many apples did each friend get? p.s.i am in 3rd grade
40. ### math

Ashley is having a pizza party she invited 11 friends. She has 1 3/4 of a pizza. How much pizza will each friend get?
41. ### geometry

denise is designing a stroage box in the shape of a cube. Each side of the box has a length of 10 inches. She needs more room and decides to construst a large box in the shape of a cube with a volume of 2,000 cubic inches. By how many inches, to the NEAREST TENTH, should she ...
42. ### Physics

You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of F = (202i − 161k) N to try and move the 75.0-kg refrigerator. The coefficient of static friction is 0.640. a) how much static friction force does the floor exert on the ...
43. ### Chemistry

Which of the following processes is exothermic? a.rolling a ball up a hill b.boiling water in a beaker to make steam c.allowing meat to thaw after taking it out of the freezer d.reacting hydrogen and oxygen gases to make water e.a popsicle melting on a warm summer day
44. ### English

Are these sentences correct? 1. I can run more quickly in my new shoes. 2. Where did you find them shoes? Which sentence has the correct prepositional phrase. 1. I didn't want to trust her at the beginning. 2. The house on the hill was completely destroyed by fire. 3. In the ...
45. ### College physics - Center of mass

College Physics- Center of Mass? The objects in the figure below are constructed of uniform wire bent into the shapes shown (Figure 1) . Each peice has a length of 0.15 . There are two objects that we need to figure out the x- and y-coordinates of the center of mass of the ...

47. ### Physics

Physics question regarding reflection. Based on what I got from the reading, the law of reflection states that the angle incoming is the same as the angle outgoing. So I'm assuming the answer is C where the reflection should be about the same as you, but I want to make sure if...
48. ### Geog

2- at sea level the air temperature is 80 degree F. this air reaches the dewpoint at 6,000’. The air continues to rise, pushed up by trade winds, over a mountain that is 12,000’ high. If the dry adiabatic rate is 5.5 degree F/ 1000’ and the wet adiabatic rate is 3.2 ...
49. ### math

Your younger brother is pulling his sled up a hill. Each minute he moves forward 20 feet but also slides back 3 feet. Describe how you can determine the time he needs to pull his sled 130 feet forward. ANSWER NOW!!!
50. ### physics

The loaded car of a roller coaster has mass M = 320 kg. It goes over the hig a speed v of 21.4 m/s. The radius of curvature R of the hill is 62.3m (a) What is the force (N) that the track must exert on the car? (positive is (b) What must be the force (N) that the car exerts on...
51. ### geometry

i am lost on this one TAKE Three points K,L,M on sides BC,CA,AB of the triangle ABC. Prove that at least one of the triangles AML,BKM,CLK has area less than or equal to 1/4 area of triangle ABC
52. ### solid mensuration

A circle has an area equal to 25 pi sq.cm. Its diameter AB coincides with one of the sides of triangle ACB in which the vertex C lies on the circle. If the triangle has an area equal to 11 sq.cm, find its perimeter. Please include solution. Thanks.
53. ### Geometry

What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches? Can you please check my answer and my reasoning? A. 44 sq. in. B. 20 sq. in. C. 70 sq. in. D. 35 sq. in. I picked D, because I took 10x7=70and divided that by 2, which equals 35 sq. in...
54. ### Math

Three pictures hang side by side on a wall. What is the total area of the wall that the pictures cover? Length is 10 1/2 inches, 10 1/2 inches, 10 1/2 inches Width 14 2/3 inches Would I need to add 10 1/2 plus 10 1/2 plus 10 1/2 and then multiply by 14 2/3 inches? Please ...
55. ### Slopes

Given y = 2x – 4, choose the statement that accurately describes this line. The slope is 2 and the y intercept is 4. The slope is 2 and the y intercept is -4. The slope is 4 and the y intercept is 2. The slope is -4 and they y intercept is 2. The equation of a line is y = mx...
56. ### hirsch funnel filter paper

I used a filter paper that was too large for the Hirsch funnel and had to fold it up around the edges. Why is it bad to fold the edges of the paper? One reason is that it is difficult to "seal" the paper for a proper vacuum to be pulled. Another is that solid may creep onto ...
57. ### Math

Will the values described in each situation be rational or irrational? Select Rational or Irrational to describe each situation.I put "R" and "I" to represent the choices I choose. the length of a rectangle with a rational area and irrational width :R the area of a circle with...
58. ### math

on one side of my street the homes all have odd numbers ending with the musa which is number 16 On the other side the number are all even ending with nwosu which is number 17 Femi olu is my next door neighbor and his house is number 9 you pass my house when walking from swosu ...
59. ### Physics

You are a general in the Napoleonic wars. An enemy fort 10m tall is located 1000m from your cannon. Your cannon expert is insisting that you will get the best results at an angle of 25 above the horizontal. Your cannon is located on a hill 10m tall. You have soldiers storming ...
60. ### Physics

You are a general in the Napoleonic wars. An enemy fort 10m tall is located 1000m from your cannon. Your cannon expert is insisting that you will get the best results at an angle of 25 above the horizontal. Your cannon is located on a hill 10m tall. You have soldiers storming ...
61. ### Math

A rectangular piece of metal with dimensions 14 CMA 24 CM is used to make an open box equal squares of side length X centimeters are cut from the corners and sides are folded up a polynomial function that represents the volume, V,of the box is: V(X)=x(14-2x)(24-2x). Determine ...
62. ### Global Issues

Hi, I have an essay that I have to write for this class and the topics is: The richer states (countries) have the responsibility to provide for the world's poorer states. And I am on the pro side of this. (Just because I thought it'd be easier to write more about the pros than...
63. ### solid chemestry

A membrane is to be manufactured to the following specifications. The leak rate of hydrogen is not to exceed 10-3 mol-cm-2h-1 at 700 C when the concentration of hydrogen is maintained at 1.5 x 1019 atoms/cm3 on one side of the membrane and effectively zero on the other side. ...
64. ### solid chemestry

A membrane is to be manufactured to the following specifications. The leak rate of hydrogen is not to exceed 10-3 mol-cm-2h-1 at 700 C when the concentration of hydrogen is maintained at 1.5 x 1019 atoms/cm3 on one side of the membrane and effectively zero on the other side. ...
65. ### hypotenuse

Identify the hypotenuse of a trinangle by fiving its letter I have no idea what you mean by "fiving its letter". Only right angle triangles have a hypotenuse. It is the side opposite the right angle, and is the longest side.
66. ### Trig

a. Form a pair of simultaneous equations by letting y1 equal the left side and y2 equal the right side of sqrt 5-x=1. b.Repeat part (a) with the equivalent equation sqrt 5=x+1 c. Repeat part (a) with the equivalent equation sqrt 5-x-1=0
67. ### math 4

matt and mindy each built a rectangular prism that has a length of 5 units, a width of 2 units and a height of 4 units. matt used cubes that are 1 cm on each side. mindy used cubes that are 1 inch on each side. what is the volume of each prism?
68. ### (I need alot of help in) Physics

So in physics lab we did an experiment with a cart with two different masses on a air track (practically eliminating kinetic friction). The track was tilted at 4 degrees. Using 4 photo-gates I got the speed of both gliders and the height at each point. I made two graphs making...
69. ### Algebra

Okay, i need help. I'm solving linear equations in intermediate algebra. My problem is that I never know which number to subtract first. Ex: 5y-8=-18 To get the right answer (-2), they move they add the 8 to both sides. But on 27w-64=-37 They move the 37 to get the correct ...
70. ### Geometry HELP!!!

What happens to the graph of the line y = 3x -2 when the equation is changed to y = 3x +6? What happens to the graph of the line y = 2x - 5 when the equation is changed to y = 5x + 6? On the first question: What happens to the graph of the line y = 3x -2 when the equation is ...
71. ### Math

Check my answers please? There are only 10 The figure below shows a triangle with vertices A and B on a circle and vertex C outside it. Side AC is tangent to the circle. Side BC is a secant intersecting the circle at point X: The figure shows a circle with points A and B on it...
72. ### calculus

A rectangle is to be inscribed in a right triangle having sides of length 36 in, 48 in, and 60 in. Find the dimensions of the rectangle with greatest area assuming the rectangle is positioned as in the accompanying figure. right triangle: hypotenuse- 60in base-36in height-48in
73. ### Trig- math

Find the area of a triangle if the sides of the triangle have the lengths 849mi, 930mi, and 1301mi. Here's my work: a=849 b=930 c=1301 A=.5(849)(930)sinA sin A = 394,785 mi^2 (this number doesn't seem right to me, can you explain to me what I did wrong)?
74. ### Calculus and Vectors

A farmer has 54 m of fencing with which to build two rectangular animal pens with a common side. If the area of the pens if to be maximized, what are their dimensions?
75. ### English

What's a good TITLE for a play about a girl who acts so depressed because of a mothers death and a friend who helps her out in the end realize she can move on??!! Please I'm stuck, I want something creative! Any ideas??!!
76. ### Lang Arts

Which sentence uses the past form of an irregular verb??? a My friend is keeping a journal b Adan has seen that show twice** c Elsa gave me this book d We listened to the weather report
77. ### MATH

Scale 3 cm = 50 miles 1. Did you know Chillicothe was once the capital of Ohio? The distance from Chillicothe to the current capital, Columbus, is 48miles. Using the scale on the map how many centimeters apart are the two cities? Make sure you label your answer. 2. You are ...
78. ### Physics

A girl is sledding down a slope that is inclined at 30º with respect to the horizontal. The wind is aiding the motion by providing a steady force of 131 N that is parallel to the motion of the sled. The combined mass of the girl and the sled is 59.9 kg, and the coefficient of...
79. ### algebra

Carmen has 6 CDs that she is going to give away. She let her best friend choose 3 of the 6 CDs. How many different groups of 3 CDs are possible?
80. ### Math

phyllis wants to fence in a rectangular garden with maximum area. she has 22 feet of fence. all the lengths of the sides of her garden must be whole numbers of feet. what is the best choice available to phyllis for the side lengths of her garden? Why?
81. ### Algebra- is my answer right

The one-to-one function f is defined by f(x)=(4x-1)/(x+7). Find f^-1, the inverse of f. Then, give the domain and range of f^-1 using interval notation. f^-1(x)= Domain (f^-1)= Range (f^-1)= Any help is greatly appreciated. Algebra - helper, Wednesday, February 2, 2011 at 7:...
82. ### Pre Calculus 12

Im going over my pre calculus 12 exam, and I need help with one question from the chapter Transformations of graphs and stuff. Combining Transformations 2y = f(5x-10)+8 The original points are (4,6) and the new points I got by translating it and stuff are : (14/5,20) But in ...
83. ### odds of...

Does anyone know the odds of having Two girls as children as opposed to two males or one male and one female? I say it is 25 percent but my friend says it is 33.3 percent. Can anyone clarify? Thanks! You are correct. Assuming that boy and girls are equally probable each time, ...
84. ### Science

Mario and sheen a were thirsty after a long bike ride, so they stopped to get a glass of lemonade. Their friend Andy was selling lemonade. He poured the lemonade into the two glasse. Before they start drinking sheena who had the shorter glass complained that she had paid the ...
85. ### Trigonometry, can someone check this please

A sled travels from point A at the top of a hill to point B at the bottom. If the sled travels 120 m from A to B and the vertical descent AC is 50 m, what is the angle of depression to the nearest degree? arctan=50/120
86. ### Pre-Algebra

1. Determine which set of three numbers could represent the sides of a right triangle. a. 9, 41, 41 b. 9, 40, 41 c. 8, 41, 40 d. 10, 40, 42 is the answer b? 2. Determine which set of three numbers could not represent the sides of a right triangle. a. 3, 4, 5 b. 21, 28, 35 c. ...

i think my main problem is that i don't understand the question but my friend tried explaining it and i didn't really get it ( i think its 2) What is the absolute value of the product of the solutions of the equation below? (x+2)^2=16
88. ### algebra

lean can paint her new apartment 3 hours longer than his friend,carlos.if both can do painting in 2 hours,how long will it take each one to finish the job alone?
89. ### Math

Anna Cavanaugh loaned her friend Jason 1,000 for 6 months at 6% simple interest. what is the future value of the loan and how much finance charge will Jason pay?

2-Eric and Frank want to equally share 4/3 feet of rope. what length of rope should each friend get? Explain how to use a drawing to help solve the problem.
91. ### English

Choose the best answer. The activity most likely to provide "edification." a. reading an article b. watching a cartoon c. playing a sport d. emailing a friend Answer: a
92. ### Friend

Buenos Dias mis amigos hoy está bien frío aquí en Florida! Hoy mi esposo y yo cumplimos 46 años de casados! Translate to English
93. ### character education

When friends intentionally do a small wrong to you, your best reaction should be to _________________________. quit being their friend forgive and encourage them in doing right tell them what they did was wrong C

A field is bound on one side by a river. A farmer wants to enclose the other three sides of the field with fence in order to create a rectangular plot of land for his cows. If the farmer has 400m of fence to work with, determine the maximum possible area of the field and the ...
95. ### physics

A metal can containing condensed mushroom soup has a mass of 269 g, a height of 14.7 cm, and a diameter of 6.79 cm. It is placed at rest on its side at the top of a 3.34 m long incline that is at an angle of 22.4o to the horizontal and is then released to roll straight down. ...
96. ### Math

a walk up a hill starts at a car park on the 100m contour and climbs steadily to a summet at 240m. on a map with scale 1:25000 the distance along the path from the car park to the summet is 9.6cm. how long it will to reach su,,it and back according to Naismith's rule.
97. ### Physical Geography

Will someone please check my work? I cannot seem to post the map that is in the workbook. Assume that a parcel of air is forcd to rise up and over a 4000 meter high mountain.The initial temp of the parcel at sea level is 30*c, and the LCL of the parcel is 2000 meters. The DAR ...
98. ### Managerial Accounting

a ski company plan to add five new chai500 a day for the lift. the lifts cost 2 million and to install the lift cost another 1.3 mil.The lift will allow 300 additional skiers on the slopes but only 40 days a year will be needed. The company will sell 300 lift tickets on those ...
99. ### geometry

francisco designed a triangular garden surrounded by three square gardens. the area of garden c (the largest garden) is 400 sq. ft. and the length of a side of garden b is 12 ft. find the lengths of all sides of the triangular gardens and find the areas of the gardens. draw a ...
100. ### Hospitality and Tourism

Is this ethical behavior? Is it ethical to take office supplies from work for home use? No Is it ethical to use company time to solicit signatures for a petition nconcerning a current social issue? No If there are sslight defects in a product you are selling are you obligated ...