Tuesday
December 1, 2015

# Homework Help: High School

Physics
Lily throws a ball at an angle of 53.13 degrees above the horizontal from a building that is 10m high. The ball has a speed of 12m/s, .6 seconds after she throws it. What was the initial speed of the ball? This is a vector problem and uses variables such as vx, vy, vyi, delta ...
Friday, November 6, 2015 by Hasan

English
Is the following acceptable or is it bad English? Is there a better way to phrase the question and answer? (Someone told me it is bad English but he couldn't elaborate. I'm confused.) Qn: Is there school today? Ans: Today, there is no school because it is a school ...
Friday, November 6, 2015 by chimingbell

Physics
Miss E. deWater, the former platform diver of the Ringling Brothers' Circus, dives from a 80.0-meter high platform into a shallow bucket of water (see diagram at right). Determine her speed and her height after each second of fall. When t = 0 s: speed = 0 m/s and height = ...
Friday, November 6, 2015 by Ryan

bluehills high school
general solution 1-cos2x/4cos(90)
Friday, November 6, 2015 by lebo

Physics
Miss E. deWater, the former platform diver of the Ringling Brothers' Circus, dives from a 80.0-meter high platform into a shallow bucket of water (see diagram at right). Determine her speed and her height after each second of fall. When t = 0 s: speed = 0 m/s and height = ...
Friday, November 6, 2015 by Ryan

Geography
8. China is now reporting at least 650,000 infected with HIV/AIDS and the number in India may well exceed 5 million infected. True False Answer : True 9.what is not an example of how governments affect population change? A. Expansive population policies encourage large ...
Thursday, November 5, 2015 by Geo

Geography
1. All of the following explain negative geographical health influences on population expect....... A.High Infant mortality in Haiti B. Poor sanitation in Sub-Saharan Africa C. Destroyed hospitals in war-torn regions of the Middle East. D. Aging population of retired German ...
Thursday, November 5, 2015 by Geo

1. Who controlled the most territory bordering the Louisiana Purchase? Spain France Great Britain Mexico 2.   What was George Washington's role during the American Revolution?   He was the founder of the Sons of Liberty. He was the commander of the ...
Thursday, November 5, 2015 by anon

physics
A hollow cylinder, a solid cylinder, a hollow sphere, and a solid sphere roll down a ramp without slipping, starting from rest. The ramp is 0.25 m high. All the objects have radius 0.035. What are their final speeds? Please show what equation you used and what you plugged in...
Thursday, November 5, 2015 by Caroline

Maritza is baking cookies to bring to school and share with her friends her birthday. The recipe requires 3 eggs for every 2 cups of sugar. To have enough cookies for all of her friends, Maritza determined she would ned 12 eggs. If her mom bought 6 cups of sugar, does Maritza ...
Thursday, November 5, 2015 by Harms

science
will the air above a surface that has a high albedo be warmer or cooler than the air above a surface that has a low albedo? Low.
Thursday, November 5, 2015 by Megan

ART CHECKING!!! PLEASE CHECK IT!!! :(
1. How has the artist used value in this painting?(Adoration of the Shepherds by Nicolaes Maes) A. The background is lighter than the foreground to draw the viewer's eye. B. The artist did not use value in this painting. C. The subject is lighter than the background to ...
Thursday, November 5, 2015 by OHI

Zibonele high school
What is a projectile?
Thursday, November 5, 2015 by Philani

1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood ...
Thursday, November 5, 2015 by Maria

Science
1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood ...
Thursday, November 5, 2015 by Maria

criminal justice
The presentence investigation report (PSI) a. reflects positive school interest in the offender B. is based on the concept of parens patriae C. is required in all jurisdictions D. reflects a classical approach E. none of the above
Wednesday, November 4, 2015 by Fernandez

Science
An object has more momentum if it has which of the following? a. a large mass and low velocity b. a high velocity and a small mass <- c. A high velocity and a large mass d. a low velocity and small mass
Wednesday, November 4, 2015 by HELP!! URGENT!!

Science
On a topographic map, five contour lines are very close together. The contour interval is 100ft. How high is this feature? Answer: 400ft
Wednesday, November 4, 2015 by Sue

jim chavani high
A cubic block of wood is painted various colours on all the sides.  Each side of the block has the same length of 12cm. This block is now cut into many cubes of equal size of which the sides are now 3cm in length. c) How many cubes could be created from the original ...
Wednesday, November 4, 2015 by musa

Shea middle school
John oversleeps and misses the bus by 1 hour. He takes taxi to catch up to the bus. The taxi travels at an average speed of 100 km/h. At what time does the taxi catch up to the bus?
Tuesday, November 3, 2015 by Anonymous

math
A conical water tank with vertex down has a radius of 13 feet at the top and is 28 feet high. If water flows into the tank at a rate of 10 {\rm ft}^3{\rm /min}, how fast is the depth of the water increasing when the water is 17 feet deep?
Tuesday, November 3, 2015 by PAT

Probability
A card is drawn from a standard deck. What is the probability that the card is less than 7, given that the card is not a face card? (Assume that ace is high, and that aces are not face cards.) A: .4165 B: .3846 C: .2959 D: .6 E: .5 F: None of these
Tuesday, November 3, 2015 by Emily

MIS
I need help with this question please. Imagine that you are developing the rules for an expert system to select the strongest candidates for a medical school. What rules or heuristics would you include?
Tuesday, November 3, 2015 by Edgar

Science
a tank 2m high is half filled with water and then filled to the top with oil of density 0.8 g/cc . what is the pressure at the bottom of the tank? g= 10m/s2
Tuesday, November 3, 2015 by ABC

Physics
A ball is projected horizontally from the edge of a table that is 0.465 m high, and it strikes the floor at a point 1.04 m from the base of the table. gravity is 9.8 m/s the initial speed of the ball is 3.376042 m/s ~How high is the ball above the floor when its velocity ...
Tuesday, November 3, 2015 by Anonymous

math
At a school there are 704 chairs to place into 22 classes if the same number of chairs are placed in each class rooms how many chairs will be in each room? So I divided 704 by 22 and came up with 32 chairs and I correct.
Tuesday, November 3, 2015 by kim

bennet middle school
Two times the quantity of fifteen divided by a number n
Tuesday, November 3, 2015 by jennifer

geometry
A fire hydrant that is 1.5 feet high casts a shadow that is 2.5 feet long. At the same time of day, a lamppost casts a shadow 15 feet long. What is the height of the lamppost?
Tuesday, November 3, 2015 by jay

maths
School for jan started at 9:00am finished at 3:00pm.If Jan knew she was 2/3 of the ay through the school, what time was it then?
Tuesday, November 3, 2015 by anna

Umbonje secondary school
A horizontal force F is applied to a crate,causing it to move over a rough horizontal surface,the kinetic frictional force between the crate and the surface on which it is moving depends on....the applied force
Tuesday, November 3, 2015 by Nothando

1.   Read the definition. Then match it to the correct plot element. the high point, or turning point, in the action of the plot  (1 point) • rising action • climax • falling action • resolution 1    Chris and Taylor ...
Tuesday, November 3, 2015 by abdel1233

mechanics
You have 1kg of aluminum (E=69GPa) to make a cylindrical tube with a high Euler buckling load. The tube must have a length L of 0.5m. You can either make a solid tube, or a thin walled tube with a wall thickness, t=0.5cm. The density of aluminum is 2700kg/m3. The tubes are pin...
Tuesday, November 3, 2015 by alalal

Elem school
I am an odd number greater than 390 but less than 400.my ones digit and hundreds digit are the same.what number am i?
Tuesday, November 3, 2015 by Myleen

Math
a wrench is dropped by a worker at a construction site. four seconds later the worker hears it hit the ground below. How high is the worker above the ground? (The velocity of sound is 1100 ft/s, and the distance the wrench falls as a function of time is s=6t^2
Monday, November 2, 2015 by John

Spalding High School
When a mass of 20 gram is hung on a spring the length of the spring id 16 centimetres. Adding another 10 gram increases the length to 19 centimetres. What is the unstrecthed length of the spring
Monday, November 2, 2015 by Brittney kay Simpson

Phyics
A pool ball leaves a 0.75-meter high table with an initial horizontal velocity of 30 m/s. Predict the time required for the pool ball to fall to the ground.
Monday, November 2, 2015 by Alex

physics
i need help understanding physics. im failing my class and dont want to do anything because i have zero clue where to start. im stuck on this problem currently. a cat pushes a ball from a 7.00 m high window, giving it a horizontal velocity of .20 m/s. how far from the base of ...
Monday, November 2, 2015 by kaleigh

Math
A school is keeping track of the number of tickets remaining for its year-end festival. The table shows the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data shown in the table? Day | ...
Monday, November 2, 2015 by Mr Shades

Math
A school is keeping track of the number of tickets remaining for its year-end festival. The table shows the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data shown in the table? Day ...
Monday, November 2, 2015 by Mr Shades

tema senior high school
An open box is to be made using one metre square of cardboard .find the maximum value of the box given that it has a square base
Monday, November 2, 2015 by angela

algebra
roger is 5 feet tall and casts a shadow 3.5 feet longer. at the same time,the flagpole outside his school casts a shadow 14 feet long. write and solve a proportion to find the height of the flagpole.
Sunday, November 1, 2015 by masruja

need help
ESSAY EXAMINATION 1 Objective To successfully complete the course, you must complete Essay Examination 1, which requires you to write your answers to specific questions covering important concepts from your studies. Please provide your answers using a Microsoft Word file. You ...
Sunday, November 1, 2015 by Anonymous

English Language & Composition
I need help on what my body paragraphs could talk about. My intro talks about how surveillance technologies can possibly threat civil liberties. I picked quotes from the sources I had to use that could help me in this essay. What are 3 ideas I can say in each body paragraph ...
Sunday, November 1, 2015 by Diana

Day secondary school kataeregi
The first and last terms of an a.p are 79 and 5 and it's sum is 814 find(a) the number of terms in the a.p(b)the common different between them.(c) the 9th terms is of an a.p is 52, while the 12th terms is 70 find the sum of it's 20th terms.
Sunday, November 1, 2015 by Muhammad haruna ubandawaki

St Joseph high school
Find the height of a triangle whose area is 39000 sq cm and base is 260 cm
Sunday, November 1, 2015 by Rahima rakhangi

school..maikona physics question
a projectile's launch speed is five times its speed at maximum height.find the launch angle?
Sunday, November 1, 2015 by umuro

science
A tower is 24 m high. A stone is projected upwards from the tower, at a velocitry of 24,5 m/s. Calculate how long it would take the stone to reach the ground at the roof of the tower.
Sunday, November 1, 2015 by francis

physics
At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of F=86.4 N at an angle of 64 degree. The acceleration of gravity is 9.8 m/s^2. The box of books has a mass of 13 kg and the coefficient of kinetic ...
Sunday, November 1, 2015 by luma

us history
1)Which of these was a precedent that George Washington set? a) constitutional amendment process b) formal presidential dinners c) singing of the national anthem d) use of a president cabinet ** _____________________________________ 2)Read the following paraphrase from George ...
Sunday, November 1, 2015 by Ana

HEALTH PLZ ITS OVERDUE
1. The type of family structure that has a biological parent, a stepparent, and the children of one or both parents describes which type of family unit? a.blended family b.extended family c.foster family d.nuclear family 2.some children move from one family to family several ...
Sunday, November 1, 2015 by regan

us history
Lewis and Clark traveled from St. Louis, which is beside the Mississippi River. Which of the following correctly describes the land they saw as they traveled to the Pacific Northwest? A) Flat and low around the Mississippi River, with a sharp and sudden rise to the Rocky ...
Saturday, October 31, 2015 by Ana

AP PHSYICS DUE LATE HOMEWORK HELP!!!
4. Assuming that ball 1 was thrown with an initial velocity of 5 m/s, how far will it land away from the building horizontally? A. 10 M b. 16 M C. 21 M D. 0.63 M 5. A projectile is launched a t 35 m/s at an angle of 33 degrees. Determine (a) the maximum height of the ...
Saturday, October 31, 2015 by Anonymous

physics
4. Assuming that ball 1 was thrown with an initial velocity of 5 m/s, how far will it land away from the building horizontally? A. 10 M b. 16 M C. 21 M D. 0.63 M 5. A projectile is launched a t 35 m/s at an angle of 33 degrees. Determine (a) the maximum height of the ...
Saturday, October 31, 2015 by Anonymous

APA Format
I'm so used to using MLA that I'm struggling with citing in-text using APA. "Metropolitan areas with high concentrations of employment in higher paying occupations also tend to have greater inequality.” (Cunningham, 2015). Does that look right? Do I need to ...
Saturday, October 31, 2015 by mysterychicken

Pretoria Muslim Trust sunni school
Math Litracy,Life sciences,Cat,Business studies. Can I become a psychologist with these subjects
Saturday, October 31, 2015 by Mpho Molokomme

Conway high
The mean of a normal distribution of a set of truck tires is 200 pounds with a tard variation of 10 pounds. What is the probability of a randomly selected set of tires between 200 and 220 pounds?
Friday, October 30, 2015 by Dave145

Physics
A helicopter is flying horizontally at a constant 40 m/s when it drops a package below. Where does it land? 1. About 50 m ahead of the helicopter 2. About 80 m behind the helicopter 3. There is no way to answer without knowing how high the helicopter was above the ground when ...
Friday, October 30, 2015 by Anonymous

Geography
1. Demographers report the population density of a country as a measure of total population relative to land size. TRUE FALSE Answer : true 2. Which of the following is not an example of adequate physiological population density? A. Cities such as Luxor, Cairo, and Alexandria ...
Friday, October 30, 2015 by Geo

suncrest high school
maths give the coordinate for:point A (-3;-2) is reflected in the x-axis
Friday, October 30, 2015 by phumelele

college physics
you are driving home from school at 90 km/h. it then began to rain and you slow to 50km/h. your arrive home after driving 3 hours and 20 minutes, how far is your hometown from school? what is the average speed?
Friday, October 30, 2015 by zain

Siddhartha Higher Secondary School
English what will you do if your parents were unable to send you school
Thursday, October 29, 2015 by swachitta

English/Writing
Following are some brief versions of Aesop's fables. After reading these stories, write what you think the moral is. 1. One day a hungry fox was walking through a vineyard. Hanging on the vines were bunches of delicious looking grapes. Wanting very much to eat these grapes...
Thursday, October 29, 2015 by Victoria

English/Writing
Write brief accounts upon the nursery rhyme from the indicated point of view: "Little Jack Horner" 1. Jack's mother's comments on his sticking his finger in the pie. "Oh, Jack! How could you?! That pie was to be eaten after the Christmas feast!" 2. ...
Thursday, October 29, 2015 by Victoria

Math
Sarah starts at a point 26 miles from school and runs toward school at 6 miles per hour. Ryan starts from school 1.3 hours later and runs towards Sarah at 8 miles per hour. Let x be the number of hours Sarah has been running Write an expression in terms of x for the distance ...
Thursday, October 29, 2015 by Julie

Ave maria catholic secondary school
an aeroplane leaves an airport,flies due north for two hours at 500km/hr.it then flies 450km on a bearing 053.how far is the plane from the airport and what is its bearing from bearing from east
Thursday, October 29, 2015 by Mercy

Pre-Calculus
Use the CALC features of the TI to answer the following. Show what you put into the calculator & what CALC feature you used. Round to the nearest tenths. The equation h = 20 cos (π/4 (t-3)) + 23 tells how high above the ground a ferris wheel car is at any given time. h is...
Thursday, October 29, 2015 by Clarice

English/Writing
Explain the point of view for each of the following: A. Participant 1: teenager Partcipant 2: father Situation: family car on a date A: The teenager is excited to be driving the family car on his date. The father is worried that some damage may come upon the car. B. ...
Thursday, October 29, 2015 by Victoria

Spanish
what is the most likely the reason that Spanish-speaking students in Costa Rica, Mexico, and Argentina all learn a second language in school? a. Spanish is a common language b. Spanish is not understood by many people c. it is important to be able to communicate in more than ...
Thursday, October 29, 2015 by Kaai97

Language Arts
The directions are underline the nouns in the sentence and say if they are common, proper or collective. 1. He gave me a bunch of grapes. -underline the word bunch which is collective 2. London is on the river Thames. -underline London and Thames which are both proper 3. The ...
Thursday, October 29, 2015 by Patrick

math
jonathan purchases calculators for his math club after school. the total cost (t) is $325 for 25 calculators (c). what is the equation that represents this proportional relationship Wednesday, October 28, 2015 by enmanuel mejia Math Sixty girls were scheduled to paint flower pots for the school's annual fair. When 3 of the girls became sick the rest of the girls had to paint 8 more flower pots each how many flower pots did they have to paint altogether ? Wednesday, October 28, 2015 by Jen precalc h = -15 sin (π/7 (t-2)) + 42 h is the height of the ball above the floors in inches at time t seconds 1) what is the highest the ball will ever bounce? 2) when is the first time the ball bounces that high? 3) write a general expression for the times at which the ball is ... Wednesday, October 28, 2015 by yani Math In a high school reunion, the organizers decided to sell 1500 raffle tickets at 1000 each for the four prizes of 250,000 125,000 75,000 50,000 What is the expected value of one ticket? I got -670, is this correct? Thanks! Wednesday, October 28, 2015 by Jen Math If you are 15 how old will you be when you get out of high school? Wednesday, October 28, 2015 by Aaliyah chem How would your experimental formula of magnesium chloride “MgClx” have been affected if your product was not dried completely before weighing it? Would “x” be too high or two low? Wednesday, October 28, 2015 by charles Geography 10. Which of the following best describes a nations resistance towards immigration despite having an aging population. A. The Japanese government discourages interracial couples and encourages homogeneity of the population. B. China implemented a one-child policy to reduce a ... Tuesday, October 27, 2015 by Geog Math Trina works after school and on weekends. She always works three days each week. This week she worked 2 3/4 hrs on Monday. 3 3/5 hrs on Friday and 5 1/2 hrs on Saturday. Next week she plans to work the same number of hrs as this week but will work the same number of hrs each ... Tuesday, October 27, 2015 by Crystal Physics A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional force on the box? Tuesday, October 27, 2015 by Ana physics A boy in a wheelchair (total mass, 46.0kg) wins a race with a skateboarder. He has a speed of 1.33m/s at the crest of a slope 2.24m high and 13.2m long. At the bottom of the slope, his speed is 6.35m/s. If air resistance and rolling resistance can be modeled as a constant ... Tuesday, October 27, 2015 by Juicy 11 Grade College Prep Math-Based Physics Not good at physics, so could someone check these practice test questions please? Explanations are appreciated. 1. Which of Newton's Laws says you cannot touch anything without being touched? a) 4th b) 2nd c) 1st d) 3rd *** 2. A 3.00 kg ball is dropped from rest from the ... Tuesday, October 27, 2015 by Ana Physics A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional force on the box? Tuesday, October 27, 2015 by Ana language Which of the following is a complete sentence? A. When I was young and ambitious and loved going for walks in the park. B. Running through the park and around the school before breakfast. C. Walking with a limp as a result of the wreck. D. I went walking. Tuesday, October 27, 2015 by alixie science a skater with a mass of 65kg,reaches the bottom of a ramp ,2.5 metres high ,going at 27km.h-1. calculate his kinetic energy as he reaches the ramp calculate how fast he is going by the time he reaches the top of the ramp Tuesday, October 27, 2015 by zinhle National school A dilute solution of sulfuric acid is added to 15g of copper and iron mixture. a) write the balanced equation for the occuring reaction. b) the volume of H2 evolved at standard conditions is 4.48L, what is the mass of each of the metals constituting the mixture? Vm=24mol.L-1 Tuesday, October 27, 2015 by Maha math the cost in dollars of a school banquet is 74+12n where n is the number of people attending what is the cost for 52 people ? a.$550 b.$698 c.$624 d.\$138
Tuesday, October 27, 2015 by mouse

Science
you started to run at 10km/h when you left your house and you arrived at school .5 hours later. assuming that your average acceleration was 30 /h2, how fast were you running when you arrived
Tuesday, October 27, 2015 by Parker

Kennedy
There are 28 classes at an elementary school. The school cafeteria needs 22 cartons of milk per class each day. Milk costs 25 cents per carton. How many cartons of milk does the manager need to order each day?
Monday, October 26, 2015 by Jon

physics
a stone is thrown vertically upward at a speed of 10 m/s from a cliff that is 95m high. How long will it take the stone to reach the bottom?
Monday, October 26, 2015 by Anonymous

Physics
In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. If the mass of the marble is 0.0255 kg and the mass of the pendulum is 0.250 kg, how high will the pendulum swing if the marble has an initial speed of 5.75 m/s? Assume ...
Monday, October 26, 2015 by JL

A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How long does the rock fall? I got 3.7 seconds but I do not know if it is right. (Help on these two) How far out from the bottom of the cliff does the rock fall? ...
Monday, October 26, 2015 by Jake

English
10. In “Orphans Give Indian Couple Will to Live,” the Paramesvarans are offended by the term orphans because a. they feel they are now the parents to these children*** b. the government will not let the children be adopted by them c. Mr. Paramesvaran grew up without ...
Monday, October 26, 2015 by Kaai97

1. "Imagine a wolf moving through the northern woods. The movement, over a trail he has traversed many times before, is distinctive, unlike that of a cougar or a bear, yet he appears, if you are watching, sometimes catlike or bearlike. It is purposeful, deliberate ...
Monday, October 26, 2015 by Kaai97

English
1. In “The Deadliest Tsunami in History,” the cause of the Indian Ocean tsunami was a. a rupture in the Burma plate*** b. an unintended explosion in Japan c. a tornado off the coast of Sumatra d. mass animal migrations to the North 2. In “The Deadliest Tsunami ...
Monday, October 26, 2015 by Kaai97

Physics
A rock is thrown horizontally off of a cliff. It starts with a velocity of 4.2 m/s and the cliff is 68.2 m high. How long does the rock fall? I got 3.7 seconds but I do not know if it is right. (Help on these two) How far out from the bottom of the cliff does the rock fall? ...
Monday, October 26, 2015 by Carlos

Physics
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By how much does the ...
Monday, October 26, 2015 by Anonymous

Physics
A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By how much does the ...
Monday, October 26, 2015 by Anon

thomas nhlabathi high school
Sipho is 6 years older than Betty. in 3 years time Sipho will be twice as old as Betty. how old is Sipho now.
Monday, October 26, 2015 by sibusiso