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 75

geometry
The side lengths of two different cubes are 36 cm and 45 cm. What is the ratio of the volume of the smaller to the volume of the larger (in simplest form)? Note: These cubes are not drawn to scale. 
Math
a piece of wire is 20 cm. long. it is cut into pieces, each of which is then bent to form a square. the total area of the two squares is 13 sq. cm. How long is side of each square? 
physics please !
A box weighing 65.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end. Part a) Determine the force that the table exerts on the box if the weight hanging on the other side of the pulley weighs 24.0 N . Part ... 
physics please help !
A box weighing 65.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end. Part a) Determine the force that the table exerts on the box if the weight hanging on the other side of the pulley weighs 24.0 N . Part ... 
math, algebra
my question is : on the following i have to graph them i just want to know if i am correct. for : x > 4 the line is going through in a straight line on number 4 in the y axis for: 3x greater than or equal to 2x  4 the answer is after solving: x is less than or equal to 4... 
statistics
In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 12 patients using the drug is selected. If you wanted to find the probability that exactly three will have this mild side effect, what would be the ... 
engineering mathematics 1
your father wants to fence a rectangular area in your backyard for a garden. one side of the garden is along rhe edgeof the yard is already fenced, so you only need to build a new fence along the other 3 sides of rectangle. if you have 80 meter of fencing available, what ... 
physics
A 1600n is supported by two cables of equal length two ends are fasted by two nail by place horizontal level at 8m part .find the tension each cables when the block6m below the horizontal level. 
trig
howard and keight who are 2km apart are on a horizontal plane observe a balloon in the same vertical plane with themselves the angles of elevation are 50 degrees and 65 degrees respectively find the height of the balloon. A.if its situated between howard and keight B.If it is ... 
trigonometry
howard and keight who are 2km apart are on a horizontal plane observe a balloon in the same vertical plane with themselves the angles of elevation are 50 degrees and 65 degrees respectively find the height of the balloon. A.if its situated between howard and keight B.If it is ... 
Math gemetry
A group of social workers made a square shaped jogging park in a city whose perimeter is 4 its sides make a table of ordered pairs (x, y) and plot the line graph where x=l and y= b. What value you learn from social worker? 
drivers ed
when crossing multilane highways, you should treat each side as a one way street. TRUE FALSE??? I would say true. If there is an island in the middle, cross one half of the highway at a time. And nearly all US highways have an island in the middle. I think Leo assumes that ... 
algebra
Ociel has designed a square mural that measures 10 feet on each side. Bill has also designed a square mural, but his measures y feet shorter on each side. a. Write an expression to represent the area of Bill's mural: (102y)(102y) b. How much smaller than Ociel's mural is ... 
Math
A rectangular field will be fenced on all four sides. Fencing for the north and south sides costs $5 per foot and fencing for the other two sides costs $9 per foot. What is the maximum area that can be enclosed for $6000? 
Chemistry
Below is the question I am trying to answer. I think after much debate, I may have it. Does anyone know if I am close to being right? Does cis and trans isomeric compounds display different properties? Why? Cis means on the same side and trans means on the opposite side. Cis ... 
Chemistry
Below is the question I am trying to answer. I think after much debate, I may have it. Does anyone know if I am close to being right? Does cis and trans isomeric compounds display different properties? Why? Cis means on the same side and trans means on the opposite side. Cis ... 
physics
Three conducting loops are situated sidebyside in the plane of the page. A clockwise current flows in the center loop B, and its magnitude is decreasing in time. The induced currents in loops A and C: flow in opposite directions (A clockwise, B counterclockwise) both flow ... 
magnetism
Three conducting loops are situated sidebyside in the plane of the page. A clockwise current flows in the center loop B, and its magnitude is decreasing in time. The induced currents in loops A and C: A) flow in opposite directions,A clockwise, B counterclockwise) b)both ... 
english
Solve this riddle : my first letter is in chocolate but not in gram. My second letter is in cake and also in jam. My third letter in time table is easily found. My whole name is a friend who's often around. What am I? 
PhysicsLens
The focal length of your camera lens is 70mm. It is used for taking pictures of your friend who is 1.5m tall. What is your friends distance from the lens if the image just fills the 24mm vertical dimension of the film? I tried M=hi/ho=.16 .16=dif/f di=68.88 
math
your friend tosses a ball into the air at an initial velocity of 18 feet per second.The equation h=8t^2+18t+5 models the height h of the ball t seconds after it was thrown. When did the ball reach its highest point? 
Physics
A uniform door (0.81 m wide and 2.1 m high) weighs 122 N and is hung on two hinges that fasten the long left side of the door to a vertical wall. The hinges are 1.5 m apart. Assume that the lower hinge bears all the weight of the door. (a) Find the magnitude and direction of ... 
Physics
uniform door (0.81 m wide and 2.1 m high) weighs 122 N and is hung on two hinges that fasten the long left side of the door to a vertical wall. The hinges are 1.5 m apart. Assume that the lower hinge bears all the weight of the door. (a) Find the magnitude and direction of the... 
math help!!!
what does the scale factor bestween two similar figures tell you about the given measurments? side lengthes perimeters areas Maybe they are pfroportional see Drwiz's answer to your last question, the answer can be found there 
schoolcraft college
a student decides to construct a capacitor using two conducting plates 30cm on each side. He seprates the plate with a paper dielectric 2.5 that is 8*10 raise to the power 5 mmerters thick. What is the capacitance of the capacitor. 
math
A balance scale is perfectly balanced with two blocks on one side and ten weights on the other. If each weight equals 2.0 grams, how much does one block weigh? Please answer and explain. 
Math
I cannot remember how to figure out this problem. "Ten friends share 3 pizzas equally. What fraction of a whole pizza does each friend get?" Would it be 3/10? Not looking for the actual answer but really how i can figure it out. Thank you! 
Math
How would I find the smallest three digit number that is divisible by exactly three different prime numbers? My friend says the answer is 2  3  17 but won't tell me how he got it. Any help would be much appreciated. Thank You. 
physical geoprahy
Assume that a parcel of air is forced to rise up and over a 6000foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and the SAR is 3.3 F/... 
Physical Geography
Assume that a parcel of air is forced to rise up and over a 6000foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and the SAR is 3.3 F/... 
how about his one
7+ 5x = 10x2? im not sure I know its 1, but im not sure how. 7 + 5x = 10x  2 Since we need to get the unknowns on one side and the knowns on the other side and change their signs: 5x  10x = 7  2 5x = 5 x = 1 wait how did you what number did you subtract or add from ... 
physics
In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straightaway at 66.5 m/s. The driver of the Thunderbird realizes that she must make a pit stop, and she smoothly slows to a stop over a distance of 250 m. She spends 5.00 s in ... 
Physics
In the Daytona 500 auto race, a Ford Thunderbird and a Mercedes Benz are moving side by side down a straightaway at 67.5 m/s. The driver of the Thunderbird realizes he must make a pit stop, and he smoothly slows to a stop over a distance of 250 m. He spends 5.00 s in the pit ... 
Math
1. You went to lunch with your friend, and the bill was $19.00. Your lunch is $3.00 more than your friend’s. How much was your friend’s lunch? a) f + 3 = 19; $8.00 < b) 3f + 2 = 19; $8.00 c) 2f + 3 = 19; $8.00 d) 2f – 3 = 19; $8.00 2. ... 
physic
An SUV is negotiating a horizontal unbanked turn. The radius of the turn is 20m, the center of gravity of the vehicle is 1m above the ground and in the middle between the left and right side. The seperation of the left and right wheels is 1.8m What is is the greatest speed at ... 
physics
A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.9 m/s. If the coefficient of friction between the sled's runners and snow is 0.045 and the boy and sled together weigh 580 N, how far does the sled travel on the level surface before ... 
physics
In the figure, a frictionless roller coaster car of mass m = 672 kg tops the first hill with speed v0 = 19.4 m/s at height h = 34.7 m. How much work does the gravitational force do on the car from that point to (a) point A, (b) point B, and (c) point C? If the gravitational ... 
physics
A boy coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.2 m/s. If the coefficient of friction between the sled's runners and snow is 0.060 and the boy and sled together weigh 480 N, how far does the sled travel on the level surface before ... 
physics
In the figure, a frictionless roller coaster car of mass m = 938 kg tops the first hill with speed v0 = 14.9 m/s at height h = 31.5 m. How much work does the gravitational force do on the car from that point to (a) point A, (b) point B, and (c) point C? If the gravitational ... 
Maths
1.A projectile's height (in metres) is given by the expression t(14t), where time t is in seconds. How long is the projectile above a height of 40m? 2. The area of a rightangled triangle is 60 square units and the lengths of the two shorter sides differ by 7 units. Find the ... 
Physics
Four charged particles are at the corners of a square of side a, as shown in the figure below. (A = 4, B = 5, C = 5.) (a) Determine the magnitude and direction of the electric field at the location of charge q. (Use k_e for the Coulomb constant and q and a as necessary.) ... 
Physics
A 7410kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ... 
Physics
A 7410kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the perigee and is at the far ... 
Math
Which triangle is not possible to construct? A a right isosceles triangle B an acute equilateral triangle C an obtuse scalene triangle D a right equilateral triangle This is the second time ive posted but the last thread got confusing 
Physics
1)Three positive particles of charges 9µC are located at the corners of an equilateral triangle of side 15cm. Calculate the magnitude and direction of the force on each charge. 2)What is the electric field strength at a point in space where a proton (m = 1.67 x 1027 kg) ... 
Physics
Glycerin is poured into an open Ushaped tube until the height in both sides is 20 {\rm cm}. Ethyl alcohol is then poured into one arm until the height of the alcohol column is 20 {\rm cm}. The two liquids do not mix. What is the difference in height between the top surface of... 
Physics
Glycerin is poured into an open Ushaped tube until the height in both sides is 18 cm . Ethyl alcohol is then poured into one arm until the height of the alcohol column is 18 cm . The two liquids do not mix. What is the difference in height between the top surface of the ... 
math
Suppose you need $2.40 in postage to mail a package to a friend. You have 9 stamps, some $0.20 and some $0.34. How many of each do you need to mail the package? So to solve this problem, I came up with two inequalities: 1. a + b is less than or equal to 9 2. 20a + 34b is ... 
Environmental Engineering
Consider the air over a city to be a box 100km on a side that reaches up to an altitude of 1.0 km. THe air is blowing into the box along one of its sides with a speed of 4 m/s. Suppose an air pollutant with a reaction rate of K = 0.20/hr is emitted into the box at a total mass... 
math
Triangle MNO ~ Triangle MLK with LK= 3cm, NO= 12cm, LM= 6cm, and LN= 18cm Find the scale factor of the two triangles. F. 4 to 1 G. 3 to 5 H. 3 to 4 J. 1 to 5 
it is beautiful outside
Dear Everyone: It is beautiful outside. After a full day of school and homework, make sure you go outside and play! Your friend, Leo 
biology
Produce a family tree for at least three generations of your family or a friend's family following these genetic traits: Eye color Hair color 
algebra
Wally collects 15 baseball cards each week. He gave 10 cards to his friend james. write an expression to show the number of cards that wally has left 
physics
hi thank you for your help: i have a question that deals with finding the direction and magnitude of the net magnetic force on a loop that is next to a wire (the loop is in the wire's magnetic field) how do i set up a question like this? do i have to integrate since the far ... 
math
if you do a job in 4 hours, and your friend can do the same job but in 6 hours, and if you both work together how long will it take to complete the job? 
Physics
your electronics friend needs a 20ohm resistor but has only 40ohm resistors. He tells you that he can combine them to produce a 20ohm resistor. how? 
Discrete Math
How many ways can you get a bunch of 4 books to give a friend if you have 30 books (15 novels, 10 history book and 5 math books)? 
algebra
brad wants to buy flowers for his friend with 27 $ . the daises are $1 each and the roses are $3 each. he buys 3 more daises then roses. how much did the roses cost? 
Math
If i rent a boat for 3.5 hours and the cost for 3 hours is 41 dollars and i split the cost with my friend how much will each person pay for the cost 
Calculus
Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 37ft by 20 ft. The resulting piece of cardboard is then folded into a box without a lid. Find the volume of the largest box that can be formed in this way. b) Suppose that ... 
Physics
A boat with a horizontal tow rope pulls a water skier. She skies off to the side, so the rope makes an angle of 15.0° with her direction of motion, but in the same direction as the boat is traveling. The tension in the rope is 160 N. How much work is done on the skier by the ... 
Child Psychology
Joe, a high school junior, is considering a career in medicine but he's unsure if he wants to commit himself to several more years of schooling. with whom is he most likely to consult with on this issue? A. Best friend B. Girlfriend C. Parents D. Guidance counselor 
maths
two boats, A and B, left a port C at the same time on different routes. B travelled on a bearing of 150 degree and A travelled on the north side of B. when A had travelled 8 km and B had travelled 10 km , the distance between the two boats was found to be 12 km. show the ... 
ENGLISH political research paper topic help!
Hey, I'm trying to come up with a topic for my yearly research paper (I'm a homeschooled senior in high school). A friend of my family was just elected the Majority Whip in the PA House of Representatives, and my mom suggested that I find a topic where I could possibly go to ... 
math
what are the dimensions of the lightest rectangular box without an open top whose base is a square and whose height is two less than the length of the side of the base? 
Algebra Readiness
Sally bakes two cakes, a square and a circle. The length of the side of the square cake is 8 inches. Find the area and the perimeter of the cake heart. 
Math, science.
If two parallel lines are intersected by a transversal, prove that the bisectors of the interior angles on the same side of the transversal intersect each other at right angles. 
Math
I have a math sheet for homework and most questions are similar to the following: Bob is making treat bags for his daughter's birthday party. he decided to use the recipe below for each bag. 1/3 cup peanuts 3/4 cup pretzels 1/5 cup raisins 2/3 cup popcorn He needs to make to ... 
Geometry
Two similar rectangular prisms have corresponding sides that measure 5 feet and 6 feet. If the measures of two corresponding sides of two similar solids are 3 meters and 5 meters, what is the ratio of the surface areas of the solids? 
calculus
Farmer Jones has 210 meters of fence. She wishes to construct a rectangular pen using the river as one side and dividing the pen into six separate rectangular pens as shown. What should the dimensions of the combined pens be to maximize the area enclosed? 7 vertical and one ... 
Physics
A rollercoaster car speeds up and down a hill past points a, b, and c as shown. The car has a mass of 500 kg and a speed of 25.0 m/s at point B where the track radius is 10 m. A: What is the maximum speed the car can have at point c, radius 19.6 m, for the gravitational force ... 
precal
Find the value of sec theta for angle theta in standard position if the point at (–2, –4) lies on its terminal side. If 0° lessthanorequalto x lessthanorequalto 360°, solve the equation sec x = –2. The terminal side of an angle theta in standard position coincides with... 
English
On the hill, there is a house. When we walk down a little, there is a lake. In that case, we can say as follows. 1. The house is above the lake. 2. The house is over the lake. 3. The lake is below the house. 4. The lake is under the house. In this case, #1 and #3 are right. ... 
calculus
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ... 
calculus
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ... 
calculus
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ... 
calculus
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 44¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ... 
math
A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 42¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 24¢/ft2. Letting x denote the length of one side of the base, find a function in the ... 
Calculus
A rectangular box is to have a square base and a volume of 20 ft3. The material for the base costs 42¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a function in the ... 
math
A rectangular box is to have a square base and a volume of 30 ft3. The material for the base costs 33¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 24¢/ft2. Letting x denote the length of one side of the base, find a function in the ... 
math
a farmer must get a mouse, a cat and a block of cheese across the river. He will make three trips. He can not leave the cat and mouse together on either side and he can not leave the mouse and cheese together on either side. How will he get them across the river? 
Math
The blocks of a side walk block are 6ft by 12ft.the blocks for a drive way are 6ft by 12ft.what is the diffrence between the area of the side walk block and the drive way block.what is the perimeter 
math
on a trip to the mall amber spent half her money on clothes and one fourth of her money on a gift for a friend. she spent 24 dollars in all. how much money did 
Math please help
A square is constructed using the hypotenuse line AC of right triangle ABC as a side, as shown below. Find the area of the square if AB = 5 and BC = 9. I tried to approach this by finding the hypotenuse, which i found was 10, then i used that to find the area of the square ... 
physics
Two thin rectangular sheets (0.06 m 0.52 m) are identical. In the first sheet the axis of rotation lies along the 0.06 m side, and in the second it lies along the 0.52 m side. The same torque is applied to each sheet. The first sheet, starting from rest, reaches its final ... 
social studies
your friend rose gave the following answer to the last question in your classroom geography bee: the states that border kansas are nebraska on the north,oklahoma on the south, colorado on the east and missouri on the west did rose win the contest? why or why not 
sentence writing
Which sentence below grammatically INCORRECT? Jacob, my best friend, believes that he is as smart as I am.  If anyone understands the directions, it is she... 
writing
I need to write several sentences describing a interaction with a friend or family member about personal finance or credit cards, using five different pronouns in the sentences. Can you please give me some understanding or examples? 
ELA  English
Choose the correct function for "is" from the sentence below: my friend cooper needs to go to the orthodontists office on wednesday because one of his brackets is loose * predicate nominative intransitive verb transitive verb***my choice object of preposition 
5th grade math
I am studying making conjectures about Lshaped numbers. The assignment says to list the first 25 Lshaped numbers. I am not understanding how to solve the problem. 
Physics
A car starts rolling down a lin4 hill (lin4 means that for each 4 m traveled along the road, the elevation change is 1 m). How fast is it going when it reaches the bottom after traveling 55 m? (a) Ignore friction, (b) Assume an effective coefficient of friction equal to 0.... 
English
I forgot to mention the following description. 1) He's wearing a pair of ripped, washedout jeans under a black Tshirt with the image of a white skull on it. 2) The righthand side of his hear is completely bald (because it has been shaved) where the lefthand side is braided... 
precalculus
An open box is made from a square piece of material 36 inches on a side by cutting equal squares from the corners and turning up the sides. Use your calculator to find the maximum volume this box can hold. I got the equation 4x^336x^2+1296x = V But when I put it in the ... 
Physics  conservative and non conservative (check
If a sled reaches the base of the hill with a speed of 15.6m/s, how much work was done by the snow on the sled between points x and y, where x is 3m above the ground with a velocity of 14.30m/s and y is toughing the ground. the sled and the rider are 70kg Ans: i tried the ... 
Physics
A girl coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.7 m/s. The coefficient of kinetic friction between runners and snow is 0.038, and the girl and sled together weigh 603 N. The acceleration of gravity is 9.8 m/s2 . How far does the ... 
physics
i need to build a roller coaster, we can't use tubing to carry the ball so any ideas on what to use for the track? i was thinking no. 6 copper wire? i need to have 2 hills and a loop. how does this sound? 28" drop into a teardrop loop 12" high and back up hill #2 which will be... 
Physics..an electric field
4 charged particles are at the cornedrs of a square of side a as shown. a) determine the magnitude and direction of the electric field at the location of charge q b) what is the total electric force exerted on q? basically picture is like this below It's a square with 4 ... 
algebra
1. A rectangular wooden frame has side lengths 5x and 7x + 1. The rectangular opening for a picture has side lengths 3x and 5x. What is the area of the wooden part of the frame? Write your answer in factored form. How can drawing a diagram help you solve the problem? How ... 
Physics
A uniform door (0.81 m wide and 2.1 m high) weighs 122 N and is hung on two hinges that fasten the long left side of the door to a vertical wall. The hinges are 1.5 m apart. Assume that the lower hinge bears all the weight of the door. (a) Find the magnitude and direction of ... 
trigo
A ship sails N 27°10' E for 39 km and then turns N 67°50' for 85 km. What isad the distance and the bearing of the ship from the starting point? >>>So, I have a sketch of one triangle(not a right triangle, then drew 3 right triangles all over it then solved for ...