You and your friend are sledding on two sides of a triangleshaped 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
80,744 results, page 79

Math
A rectangular garden dimensions 30m by 20m and is divided into 4 parts by two pathways that run perpendicular from its side. One pathways has a width 8dm and 7dm. What is the total useble area of the garden? 
Middle Childhood Psychology
Definition Gender schema helps the children make sense of their world. A schema for a boy would be “boys play with trucks and are engineers.” A schema for a girl would be girls play with dolls and cannot be scientists.” As children interact with family, peers and ... 
English
In English class, I have to write a 2 voice poem. My teacher said that I am supposed to make it 10 lines longs on each side. Does that mean that it is supposed to go back and forth 10 times or each side has to have 10 lines? (What I mean by that is that just like in this ... 
Calculus (pleas help I really need to check this)
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the crosssectional area is A, determine the dimensions of the window which minimize the perimeter. h=______ w=______ What... 
Difference?
What is the difference between these two questions? They look the same to me, like they're asking the same thing. Not likely. Question: A student spots an unknown sample on a TLC plate and develops it in dichloromethane solvent. Only one spot, for which the Rf value is 0.95, ... 
algebra
Solve. x/91/7=26/63 STEP 1: The LCM is _________ To clear denominators, multiply each side of the equation by the LCM. _______/1 (x/91/7)=__________/1 multiply 26/63. STEP 2: Use the Distributive Property. _____/1 multiply x/9  _________/1 multiply 1/7 = ______________. ... 
math
A cue shaped box fits exactly around a soccerball with a diameter of 22.28 cm. What percent of the box is empty space? Help understand how to get to the answer, and wat it would be Cube shaped box* 
Physics
A ski gondola is connected to the top of a hill by a steel cable of length 620 m and diameter 1.5 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the cable. It is observed that it took 14 s for the pulse to travel the ... 
Physics
A car (1100kg) skids up a hill inclined at 6 degrees. Its initial speed is 20m/s and skids 50m before stopping. When it stops, how high is it above where it started? How much potential energy did it gain? How much energy was lost to friction? What is the force of friction (... 
Math Logic puzzle
A farmer has a goat, a wolf, and a cabbage. He wants to transport all three from one side of a river to the other. He has a boat, but it has only enough room for the farmer and one thing. The wolf willl eat the goat if they are left alone together, and the goat will eat the ... 
physics (PLS HELP)
A hole is drilled with smooth sides straight through the center of the earth to the other side of the earth. The air is removed from this tube (and the tube doesn't fill up with water, liquid rock or iron from the core). An object is dropped into one end of the tube and just ... 
physics help (elena)
A hole is drilled with smooth sides straight through the center of the earth to the other side of the earth. The air is removed from this tube (and the tube doesn't fill up with water, liquid rock or iron from the core). An object is dropped into one end of the tube and just ... 
physics
An object is shot from the back of a railroad flatcar moving at 40 km/h on a straight horizontal road. The launcher is aimed upward, perpendicular to the bed of the flatcar. The object falls: a) in front of the flatcar b) behind the flatcar c) on the truck d) either behind or ... 
Inverse trigonometric functions
How to find the value of arctan(2 sin (pi/3)) without using calculator or sketching a triangle. It is like taking u=something and then evaluating. Thanks. the solution relies on the fact that you should know the ratio of sides of the 30,60 90 degree triangle, and knowing that ... 
Math  Area
A rectangle shares a side with a square of area 32 and shares another side with a square of area 98. Waht is the area of the rectangle? 
Physics
An anvil hanging vertically from a long rope in a barn is pulled to the side and raised like a pendulum 1.6 m above its equilibrium position. It then swings to its lowermost point where the rope is cut by a sharp blade. The anvil then has a horizontal velocity with which it ... 
English
I made the changes you suggested to me. Can you please check if my five paragraphs are correct? Thank you very much in advance. 1) In the first chapter Mrs Long tells Mr Bennet that Netherfield has been let by Mr Bingley, a rich young man from the north of England. Mrs Long ... 
writing
• Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or real. • Use at least five different pronouns, adverbs, and adjectives in your sentences. 
Spanish
Hi, I would like some tips on what to say when you're talking to a friend about what you're packing & need to buy to go on a trip. This is a conversational piece where it is required that we speak out of context as well (talking about the weekend, activities planned in the ... 
ELA  English
Choose the correct function for "brackets" from the sentence below: my friend cooper needs to go to the orthodontists office on wednesday because one of his brackets is loose * simple subject object of preposition direct object predicate nominative***my choice 
Math
Suppose there is a cow that is tied to the corner of a barn with a rope as shown in the figure below. One side of square barn measures 50 yards and all the doors on the barn are closed, so the cow cannot enter the barn (he must walk around the sides only). How large of an area... 
Child Development
A good technique to prevent children from talking to you while you're observing them is to what? 1. Avoid eye contact 2. Sit far away 3. Stand to one side Which one is correct?? ( i think its one of the first two im not sure) 
MATH
I'm really confused how you do this Two unequal semicircles, a square , and a rectangle are joined. If the dimensions of the rectangle are 8in by 16in, find the are of the entire region to the nearest 10th. theres a rectangle in the middle and semi circle on top and side 
Physics
A charge of q1=1×10−6 C is located at corner A of an equilateral triangle. A charge q2=4×10−6 C is located at corner B and a charge of q3=7×10−6 C is located at corner C. The distance AB=0.46 m (the other two sides of the triangle are the same). See the ... 
algebra
A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 100 ft. of fence? What should the dimensions of the garden be to give this area? The max. area that the farmer can... 
geometry
a tree on a 30degree slope grows straight up .what are the measure of the greatest and smallest angles the tree make with the hill? you discovered that if a pair of angle is a linear pair ,the the angles are supplementary. does that mean that all supplementary angles form a ... 
PHYSICS tension & angle
A van accelerates down a hill (Fig. P4.71), going from rest to 30.0 m/s in 6.70 s. During the acceleration, a toy (m = 0.250 kg) hangs by a string from the van's ceiling. The acceleration is such that the string remains perpendicular to the ceiling. Find theta Find tension in ... 
calculus
An Olympic athlete is standing at the edge of one side of a 3.7km wide river and wants to reach the point 7.4km downstream just along the edge of the opposite side. For this entire 7.4km stretch, the river is completely straight. The velocity of the current is negligible. The ... 
Physics
A 521 N box is sitting on a 33.5° incline. Find the force of gravity parallel (Fp) to the surface of the incline, and the force of gravity perpendicular to the surface of the incline (FN). a. If the coefficient of static friction is 0.227, find the Ff . b. Will the box slide ... 
physics help 4 please!
A solid disk (mass = 1 kg, R=0.5 m) is rolling across a table with a translational speed of 9 m/s. a.) What must the angular speed of the disk be? ? rad/s b.) What is the rotational KE of the disk? ? J c.) What is the total KE of the disk? ? J d.) The disk then rolls up a hill... 
Algebra
Use the given information to write a systems of equations, and then solve the system algebraically to answer the question: A car begins at rest and accelerates. Its distance in meters, t, by the formula C(t) =4t^2. A second car, 150 meters ahead, is traveling at a constant ... 
Physical Science
Fill in the blanks using the correct term from the list below. Active Combustion free heating systems passive heat pump thermal energy stroke 1. A house with large windows on its south side and few windows on its other sides probably uses a(n) Blank solar heating system. 2.... 
physics
a student strolls diagnally across a level rectangular campus plaza, covering the 50 m distance in 1.0 min (a) if the diagonal route makes a 37 degree angle with the long side of the plaza, what would be the distance if the student had walked halfway around the outside of the ... 
Algebra
Classrooms on one side of the drama building are all numbered with consecutive even integers. If the first room, the room with the smallest classroom number, on this side of the building is numbered x, write an expression in x for the sum of the first five classroom numbers in... 
calculus
It is desired to design a ski jump ramp. The ramp will be represented by a polynomial whose graph is a side view of the ramp. The ramp must fulfill the following specifications: The ramp begins at a height of 100 feet and ends at a height of 10 feet above the ground. From ... 
math
3(4u6)=2(4u3)(u8) what is u 12u18=8u6u+8 Can you take it from here? so I would have combine like terms then add right? what about 3(n2)2(3n)=4(n3) same thing...use distributive property to multiply, do the operations, solve for n give it a try... u could be "any" ... 
pre  algebra
maria had $123 she spent $35,loaned $20 to a friend and received her $90 paycheck how much does she have now? so you would do 123 20=103 and then 103  20=83 and 83 + 90 =wich is 173 so that would be the answer right? 
Physics
You pick up a 2.5kg can of paint from the ground and lift it to a height of 1.7m .How much work do you do on the can of paint? You hold the can stationary for half a minute, waiting for a friend on a ladder to take it. How much work do you do during this time? 
Trigonometry
A rectangular box shown has dimensions 10" multiplied by 6" multiplied by 4" (a = 10, b = 6, c = 4). Approximate the angle theta formed by a diagonal of the base and a diagonal of the 6" multiplied by 4" side. (Give the answer to two decimal places.) 
Math
1. Based on the given information, what can you conclude, and why? Given: m angle P= m angle T ; PR=TR. A) Triangle QRP is congruent to Triangle TRS by SAS. B) Triangle QRP is congruent to Triangle SRT by SSS. C) Triangle QRP is congruent to Triangle SRT by ASA. D) Triangle ... 
Please correct Essay
Lord of the Flies, written by William Golding, is one of the most famous novels around the world. It is a fiction story during the World War II, where groups of children crash land on a mysterious island and stay there until they are rescued. The novel contains several main ... 
Calculus
A ball is thrown straight up from the top of a hill 30 feet high with an initial velocity of 72ft/sec. How high above level ground will the ball get? (Objects subjected to gravity adhere to s(t) = 16t^2 + v0t + so where s is the height of the object in feet v0 is the initial ... 
Calculus (please help I really need to check this)
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the width w of the rectangle. If the crosssectional area is A, determine the dimensions of the window which minimize the perimeter. h=______ w=______ What... 
physics
A girl coasts down a hill on a sled, reaching level ground at the bottom with a speed of 7.0 m/s. The coeﬃcient of kinetic friction between the sled’s runners and the hard, icy snow is 0.054, and the girl and sled together weigh 749 N. The acceleration of gravity is 9... 
physics
A girl coasts down a hill on a sled, reaching level ground at the bottom with a speed of 7.0 m/s. The coeﬃcient of kinetic friction between the sled’s runners and the hard, icy snow is 0.054, and the girl and sled together weigh 749 N. The acceleration of gravity is 9... 
physics
A girl coasts down a hill on a sled, reaching level ground at the bottom with a speed of 6.6 m/s. The coefficient of kinetic friction between the sled's runners and the hard, icy snow is 0.047, and the girl and sled together weigh 755 N. The acceleration of gravity is 9.81 m/s... 
environmental science
Ecologists designed an experiment to determine if nitrates or phosphates are more limiting to algae growth. They divided a lake in Canada into two equalsized sections by a vinyl curtain. Then they fertilized each subbasin of the lake, one with nitrates and carbon, and the ... 
Physics Classical Mechanics
A hole is drilled with smooth sides straight through the center of the earth to the other side of the earth. The air is removed from this tube (and the tube doesn't fill up with water, liquid rock or iron from the core). An object is dropped into one end of the tube and just ... 
Physics HELP!!
two horizontal forces F1 and F2, acting on an object of mass 1.11kg. The magnitude of F1 is 27.56N. The object moves strictly along the horizontal xaxis, which we choose as positive to the right. Find the magnitude of F2 if the object has a horizontal acceleration of 8.4m/s^2... 
MATH
Erik Johnson has just become a heir to $15 000. He's 23 years old, and hes graduated frm university business program. He works as an assistant managager of retail store. He lives with his friend in a two bedroom apartment. He saves 5% of his monthly paycheck. Erik wants to ... 
Writeacher  help
Erik Johnson has just become a heir to $15 000. He's 23 years old, and hes graduated frm university business program. He works as an assistant managager of retail store. He lives with his friend in a two bedroom apartment. He saves 5% of his monthly paycheck. Erik wants to ... 
spanish
After the party, tell a friend who was in charge of each task. Use directobject pronouns in your answers. ¿Quién compró los mariscos? Rosa ¿Quién preparó la ensalada? Mirta y Lidia ¿Quién limpió el apartamento después de la fiesta? La profe 
geometry
the sides of a quadrilateral abcd are 6cm,8cm,11cm and 12cm respectively,and the angle between the first two sides is a right angle.find its area. 
math
If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq m, find the length of two adjacent sides of the parallelogram. 
math
If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq m, find the length of two adjacent sides of the parallelogram. 
geometry
solution of the questions The sides of a quadrilateral ABCD are 6 cm, 8 cm, 12 cm and 14 cm (taken in order) respectively, and the angle between the first two sides is a right angle. Find its area. 
math
solution of the questions The sides of a quadrilateral ABCD are 6 cm, 8 cm, 12 cm and 14 cm (taken in order) respectively, and the angle between the first two sides is a right angle. Find its area. 
math
a. A rectangular pen is built with one side against a barn. 1200 m of fencing are used for the other three sides of the pen. What dimensions maximize the area of theâ€‹ pen? b. A rancher plans to make four identical and adjacent rectangular pens against aâ€‹ barn, ... 
science
3. Would you use a physical model or a conceptual model to describe the following: brain, mind, solar system, birth of universe, stranger, best friend, gold coin, dollar bill, car engine, virus, spread of sexually transmitted disease? 
Health and physical
Your friend spends most of his free time eating junk food and playing games on the computer he is a very low energy level and many aches and pains which way on the health continuum is he moving ? A • wellness B • long life expectancy C • illness D • obesity 
History
Is my 2 paragraph essay error free? I have double checked it in my Word document but I wanted to triple check! :) Thanks! Fort Sumter Loss This battle was located in South Carolina, from April 12th to the 14th later that month in 1861. The Confederacy side was the General ... 
Physics
I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given 1/3 greater than ... 
Physics
I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given 1/3 greater than ... 
Physics
The diagram below shows a large cube of mass 25 kg being accelerated across a frictionless level floor by a horizontal force, F. A small cube of mass 4.0 kg is in contact with the front surface of the cube. The coefficient of static friction between the cubes is 0.71. What is ... 
Algebra 2
I'm working on Lesson 6: Absolute Value Equations and Inequalities Algebra 2 A Unit 2: Expressions, Equations, and Inequalities and feel confident in my first few answers, but beyond that am lost. May I have some help? **=the answer I believe to be true 1.) The sides of a ... 
geometry
in triangle lmn altitude lk is 12cm long through point j of lk is a line drawn parallel to ms, dividing the triangle into two region with equal areas find lj 
Calculus
Question 1. A stuntman falls from a hot air balloon that is hovering at a constant altitude,100 feet above a lake. A television camera on shore, 200 feet from a point directly below the balloon,follows his descent. At what rate is the angle of elevation, theta, of the camera ... 
Physics
A doubleslit experiment using violet light of wavelength 400 nm produces a spacing of (triangle x). what is expected spacing if red light of wavelength 600 nm used? a) 2/3 (triangle x) b) (triangle x) c) 1.5 (triangle x) d) 3 (triangle x) 
Philosophy
• It is not uncommon that students leave the class with more confusion than clarity. By “confusion”, I do not mean a lack of understanding of the concepts. I mean instead the feeling of being pulled in several directions and not knowing where to side. I mean the feeling ... 
Physics
In moving a 35kg desk from one side of a room to another, a man finds that a horizontal force of 275N is necessary to set the desk in motion, and a force of 195N is necessary to keep it in motion at a constant speed. What are the coefficients of both static friction and ... 
Physics
In moving a 35kg desk from one side of a room to another, a man finds that a horizontal force of 275N is necessary to set the desk in motion, and a force of 195N is necessary to keep it in motion at a constant speed. What are the coefficients of both static friction and ... 
english
13. Which of the following sentences contains a comma splice? A. Our friend, who travelled from Tennessee, was quite tired when he arrived. B. We need help with organization, structure, and spelling. **C. The pots clanged to the kitchen floor, the kitten cowered under the ... 
solving trig. equations
tan(3x) + 1 = sec(3x) Thanks, pretend 3x equals x so tanx + 1 = secx we know the law that 1 + tanx = secx so tanx + 1 becomes secx and... secx = secx sec(3x) = sec(3x) [just put 3x back in for x you don't really have to change 3x to x but it kinda makes it easier Let 3x =u ... 
geometry
a piece of rectangular sheet metal is 20 in. wide. It is made into a rain gutter by turning up the edges to form parallel sides. Let x represent the length of each of the parallel side. (a)give the restrictions on x (b)determine a fuction A that gives the area of a cross ... 
Algebra 2
Please can someone help me with these last few questions on my homework? You don't have to give an answer because I would very much like to know how to do them? An open box is formed by cutting squares with side lengths of 3 inches from each corner of a square piece of paper. ... 
physic
Three vectors are shown in the figure below, but they are not drawn to scale. The sum of the three vectors is R = F1 + F2 + F3. If Ry = 0 and F2 = 0.2F3, find Rx in terms of F1. the Answer Keyis 0.327.can somebody show me how to get to the answer key. I try my best to describe... 
science
if an objective is massive truck parked along road side, it will probably not move.a student justifies this by answering two equal and opposite forces cancel each other. comment on this logic and explainwhy the truck does not move. 
math
Two ship P and Q left a port R at the same time.Q sailed on a bearing of 150 while P sailed on the north side of Q.After a distance of 8km and 10km by P and Q respectively,their dirtance part was 12km.find the bearing of P from R. 
math
Two ship P and Q left a port R at the same time.Q sailed on a bearing of 150 while P sailed on the north side of Q.After a distance of 8km and 10km by P and Q respectively,their dirtance part was 12km.find the bearing of P from R. 
math
your best friend ate 3/8 of a pizza from 4 diffrent pizza.how much pizza did he ate? 
Geometry
Determine which set of numbers can be the lengths of the sides of a triangle. a. 13, 10, 16 b. 1, 2, 3 c. 5.2, 11, 4.9 d. 208, 9, 219 I believe the answer is a. 13, 10, 16. Is this right? 
physics (vector)
the direction of forces 1n,2n,3nacting at a point are parallel to the sides of an equilateral triangle.the magnitude of the resultant is what? How 
Math
Find, correct to one decimal place, the size of the smallest angle of the triangle which has sides of length 3,5,7 
geometry
there are 4 cirlces in an equilateral triangle with sides equal to 16cm. what is the radius of the big circle and the little circles 
math
In right triangle ABC, a = 52 ft and c = 63 ft. Which of the following trig ratios of angle B, would combine the given sides? 
Analytic Geometry
Find the equation of the circle incribed in a triangle, if the angle has its sides on the lines: 2x + y  9 = 0, 2x + y  1 = 0, and x + 2y +7 = 0. Draw the figure. 
Math
What is the area of an isosceles right triangle wih equal sides that measure 42cm? @Ms. Sue please help!!! 
math
In an isosceles right angled triangle,the square of the hypotenuse is 98cmsquare.find the length of the congruent sides. 
math
which of the following best describes triangle ABC based on its sides? A) scalene B) right C) isosceles D) equalateral 
Math
If the sides of a triangle are tripled, by what number would the area be multiplied? I Don't understand the question so I don't know how to show the work. 
Math
Let ABC be a triangle and P be a point inside it such that AP, BP and CP meet sides BC, CA and AB in points D, E and F, respectively. Given that AP=a, BP=b, CP=c, PD=PE=PF=3 and a+b+c=43, find a*b*c. 
physics help
A ski gondola is connected to the top of a hill by a steel cable of length 680 m and diameter 1.7 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the cable. It is observed that it took 15 s for the pulse to return. What ... 
Math, please help me.
This is the last question of my quiz, I need help with it. I need just one question answered. Question: The angles opposite the congruent sides of an isosceles triangle are congruent. Find the value of x in the triangle. Show all your work. The triangles' value is 70 degrees. ... 
GEOMETRY LATERAL AND SURFACE URGENT (PLEASEHELP)
1.A RECTANGULAR BOX IS TO BE PAINTED ON ALL ITS SIDES. IF THE BOX IS 15 DM LONG, 12 DM WIDE AND 6 DM HIGH. HOW MUCH SURFACE IS TO BE PAINTED ? 2. IF EACH SIDE OF AN OPEN CUBICLE BOX IS 2X+3 CM. FIND ITS TOTAL SURFACE AREA. 3. MICHEAL IS TO MAKE A BOX IN THE FORM OF A ... 
Math
Find X 27^4x2=243^3x+6 Please explain how to do it. Thanks 27^(4x2)=243^(3x+6) Notice that 27 and 243 are both multiples of 3 Changing them.. (3^4)^(4x2)=(3^6)^(3x+6) 3^4(4x2)= 3^6(3x+6) taking the log base 3 of each side. (4x2)= (3x+6) and solve for x. That doesn't work ... 
trig
Points A and B are 150 m apart on one bank of a river. Point C is on the other bank of the river. The line of sight distance from A to C forms an angle and 28 degrees with the AB side of the river bank and the line of sight distance form B to C forms an angle of 56 degrees ... 
math
Henry has $240 more than my cousin Joe, who has $150 more than my friend Ann. Together the three people have $990. The amount Ann has, in dollars, is: a. $150 b. $200 c. $390 d. 450 e. $600 
math
please help me out here the problem is combining like terms. 4x^33x^3+9x+2x I got 1x^3+11x but when i asked a friend they said it would be x^3+11x could u help me out please. also could you tell me if this probem is correct as well (10x^3+6x^2+4x) (8x^3+2x^23x)= 18x^3+4x^2+... 
Math
Three students will represent your school at a conference at the state capitol. A drawing will be held to select the three representatives from a group of five finalists. If you and you friend are both finalists, what are the chances that both of your names will be drawn? 
geometry
You and your friend ordered a 12 cut pizza with a radius of 8 inches. How much cheese is needed to cover one slice of the pizza? Hint: Find the area of one slice. Round your answer to the nearest tenth