Friday
May 27, 2016

Homework Help: High School

Statistics
If 12 women are randomly selected, what is the probability that their mean head circumference is between 21.8 in and 22.8 in.? If this probability is high does it suggest that an order of 12 hats will very likely for each of 12 randomly selected women? Why or why not? Assume ...
Sunday, October 4, 2015 by Kacey

zambia school
500ml of gas at 20 degrees celcius is under a pressure of 100cm of mercury what would be its volume at s.t.p?
Sunday, October 4, 2015 by Natalia

Algebra
A miniature rocket is launched so that its height in meters after t seconds is given by the equation h=-4.9t^2+29.4t+7. (a)draw a graph of the equation (b)how high is the rocket after 5 seconds? (c)what is the maximum height the rocket will attain? (d)how long after the launch...
Sunday, October 4, 2015 by Amy

Eligugu high school science
5 kg of steel is immersed in water at 2 degrees Celsius. what mass of water is required if the final temperature is 40 degrees Celsius?
Sunday, October 4, 2015 by Mandla

Eligugu high school physical science
A cannon with a mass of 10 tons fires a bullet horizontally with a mass of 50kg. The velocity of the bullet when it leaves the barrel of the cannon is 800 m / s. calculate the recoil velocity of the cannon.
Sunday, October 4, 2015 by Mandla

English IIB
It takes both bravery and self-sacrifice to be a hero. Heroes have the inner strength to stand up for their beliefs, even in the face of danger. Those who fight for a just cause may not always triumph in the end, but a hero will always triumph in spirit. The sacrifices made by...
Saturday, October 3, 2015 by nereyda

math
if the wall is 8 2/5 high and 18 1/3 long how do I calculate how much square foot is painted blue if 1/2 is painted?
Saturday, October 3, 2015 by denise

Physics
It is friction that provides the force for a car to accelerate, so for high performance cars the factor that limits acceleration isn't the engine; it's the tires. For typical rubber-on-concrete friction, what is the shortest time in which a car coukd accelerate from 0 ...
Saturday, October 3, 2015 by Lane

math
Question: For the competition, each band member needs $12 for food. To get to the competition, the school rents 3 buses that cost $580 each. Write and evaluate an expression for the three costs. - Answer: (75/12) + (3/580) = - Key: A school band has 75 members. The band enters...
Friday, October 2, 2015 by Anon

school for wildlife conservation
what is the meaning of global warming
Friday, October 2, 2015 by david

physics
a mango fruit drops to the ground from the top of its tree which is 5m high.how long does it take to reach the ground?
Friday, October 2, 2015 by adeoye

Health
So I'm suppose to make a post in my school about how to deal with stress. But I am always with stress and since I've turned very forgetful (I don't know why) I have forgotten how to cope with it. Any examples on how to deal with stress. Here, this is my assignment...
Friday, October 2, 2015 by Derpy Pegasus

Physics - Inverted pendulum
Hello. My son is in pre-school, but he's already starting his Undergraduate for college. Never too early to start, right? So he got this problem for homework. Can anyone help? He supposedly needed "nap time" and slept through the entire lecture the professor was ...
Friday, October 2, 2015 by John Cena

Chemistry
The density of water is 1gm/cm^3. Use the density and these dimensions to find the mass of the water in grams in a fish tank. Use the rules of significant figures and rounding to come up with the correct answer. 30 cm width * .075 meters length * 15 inches high I got 8572.5 ...
Thursday, October 1, 2015 by Anonymous

Your professinal image
The key to maintaining a strong self-esteem is A. being able to bounce back quickly from disappointments. B. not pursuing something once you've failed at it. C. telling yourself repeatedly that you're better than others. D. never allowing it to go up or down but ...
Thursday, October 1, 2015 by jennifer

physics
A skier leaves the top of a ski ramp at an angle of 25 degrees with an initial velocity of 10 m/s. The ramp is 60 m high, neglecting air resistance determine: a. The time it takes the sk ier to reach the ground. b. How far away from the base does he land? c. How high above the...
Thursday, October 1, 2015 by T

physics
A ball is kicked with an initial velocity of 20.0 m/s at an angle of 35 degrees to the ground. If it is to pass over a wall 5.6 m high determine a. The minimum horizontal the wall can be placed from the ball’s launch point in meters. b. What would be the ball’s ...
Thursday, October 1, 2015 by T

physics
A skier leaves the top of a ski ramp at an angle of 25 degrees with an initial velocity of 10 m/s. The ramp is 60 m high, neglecting air resistance determine:
Thursday, October 1, 2015 by T

Physics
Sam, whose mass is 71.0 kg , takes off down a 51.0 m high, 11.0 ∘ slope on his jet-powered skis. The skis have a thrust of 210 N . Sam's speed at the bottom is 41.0 m/s .
Thursday, October 1, 2015 by W

math
The ratio number of adults to students at the prom is 1:10. Last year there were 162 more students at the prom. If the school is expecting the same attendance this year,how many adults have to attend?
Thursday, October 1, 2015 by Dwan

math
If you have 4,358 students at one school and another school has 3times that many students, how many students are there?
Thursday, October 1, 2015 by Anonymously

math
If you have 4,358 students at one school and another school has 3times that many students, how many students are there?
Thursday, October 1, 2015 by Anonymous

Career
1.)your skills are the things (1 point) A.)Your like to do B.)You can do C.)That are most rewarding to you on the job D.)Regarding the ways you usually think and behave 2.)An event is probably a pride experience for you want to tell people which of the following A.)"I ...
Thursday, October 1, 2015 by YRN DJ

Chemistry
Mary was determining the density of a metal cylinder. When recording the diameter, she mistakenly recorded a number that was too small. Will her calculated value for density be too high or too low? Explain
Wednesday, September 30, 2015 by Anonymous

PHYSICS
A placekicker is about to kick a field goal. The ball is 20.1 m from the goalpost. The ball is kicked with an initial velocity of 18.7 m/s at an angle θ above the ground. Between what two angles, θ1 and θ2, will the ball clear the 3.12-m-high crossbar? Give your...
Wednesday, September 30, 2015 by Tori

Math help
Mt. Everest is more than 8000 m high. How fast would an object be moving if it could free fall to sea level after being released from an 4750-m elevation? (Ignore air resistance) How would I solve this?
Wednesday, September 30, 2015 by Hanna

international school dammam
if zeroes of p(x)=5x^2-7x+k are reciprocal of each other then find value of k
Wednesday, September 30, 2015 by noaf

Washington high
A man invest $12000 in two accounts.If one account pays 10% per year and the other pays 7% per year, how much was invested in each account if the total interest earned in the first year was $960?
Wednesday, September 30, 2015 by anju

Washington high
Stacy has a total of $6000 in two accounts.the amount of interest she earns from both accounts in the first year is $500.if one of the accounts earns 8% interest per year and the other earns 9% interest per year, how much did she invest in each account?
Wednesday, September 30, 2015 by anju

Washington high
A women has a total of $9000 to invest. She invests part of money in an account that pays 8% per year and rest in account that pays9% per year, if the interest earned in the first year is$750, how much did she invest in each account
Wednesday, September 30, 2015 by anju

Chem
Suppose the water sample has a relatively high percent of volatile solid material. How would this have affected the reported mass of: a. dissolved solids -- too high, too low, or unaffected? Explain. TDS will be unaffected b. total solids -- too high, too low, or unaffected? ...
Wednesday, September 30, 2015 by Rebecca

math
Elizabeth is an event planner who has been hired to plan a class reunion. The class has 275 people and 256 people will be attending. Elizabeth must plan the seating decorations and food. The school colors are blue and white. Elizabeth has 84 blue balloons and w white balloons...
Tuesday, September 29, 2015 by Ilona

Math
there are 16 girls and 20 boys in the school band. what is the ratio of girls to boys? Simplest form
Tuesday, September 29, 2015 by Taiden

Physics
Select the motion diagram that corresponds to each of the four situations. E.g., if diag. A corresponds to the first situation, diag. C to the second, and none of the diagrams to situations 3 and 4, enter ACNN. Note that the velocity and acceleration vectors are shown; both ...
Tuesday, September 29, 2015 by Mike

Physics
Select the motion diagram that corresponds to each of the four situations. E.g., if diag. A corresponds to the first situation, diag. C to the second, and none of the diagrams to situations 3 and 4, enter ACNN. Note that the velocity and acceleration vectors are shown; both ...
Tuesday, September 29, 2015 by Michael

Science
Please help: Observations can lead to hypotheses. Hypotheses can lead to new experimentation. Which best describes an observation and hypothesis that might lead to new experimentation? A. Dr. Sattler discovers a new plant that grows near underwater volcanoes. She thinks the ...
Tuesday, September 29, 2015 by Izabella

birla public school
A mixture of 0.6 mole of al and 0.9 mole of cl2 are allowed to react as 2al+3cl2=2al2o3 . Calculate mass of reactant left unreacted. (al=27gmol-1 , cl=35.5gmol-1 )
Tuesday, September 29, 2015 by ashika

Life orientation
Illustrate three ways on how this issue can impact negatively to the health of the people in your school/community.
Tuesday, September 29, 2015 by Cassper gabuza

St. Louise's Inclusive Secondary School
How to prepare 0.5m solution of HCL
Tuesday, September 29, 2015 by Mfonobong gabriel

Science
Many stems hold leaves high. Higher leaves are more likely to get sunlight. How is this helpful to a plant? I don't understand
Monday, September 28, 2015 by BUBBY

Physics
A small crack occurs at the base of a 13.5 m high dam. The effective crack area through which water leaves is 1.55 10-3 m2. (a) Ignoring viscous losses, what is the speed of water flowing through the crack?
Monday, September 28, 2015 by Anonymous

Physics
A small crack occurs at the base of a 13.5 m high dam. The effective crack area through which water leaves is 1.55 10-3 m2. (a) Ignoring viscous losses, what is the speed of water flowing through the crack?
Monday, September 28, 2015 by Anonymous

Physics
A small crack occurs at the base of a 13.5 m high dam. The effective crack area through which water leaves is 1.55 10-3 m2. (a) Ignoring viscous losses, what is the speed of water flowing through the crack?
Monday, September 28, 2015 by Anonymous

Iqhawelesizwe combined school
Identify four environmental issues that cause ill-health
Monday, September 28, 2015 by Senzo myeni

Math
Imagine that you are standing on the ground 15 feet away from a flagpole. If the top of the flag is 25 feet high, which equation represents the angle θ your feet make with the top of the flag?
Monday, September 28, 2015 by Rochelle

chemistry
Predict which pure substance has the following chemical and physical properties: white solid at room temperature, high melting point, soluble in water, highly conductive when dissolved in water, reactive with acids, and high pH. A) zinc oxide B) sodium hydroxide C) molecular ...
Monday, September 28, 2015 by Jacob Harver

LA
i am writing a story about my pet and i need help i am not sure if this is good Help!! My Pet Rexie I have known Rexie ever since my baby brother was born. I remember it like it was yesterday; we had just gotten home from school and in my father’s hands he was holding a ...
Monday, September 28, 2015 by Sofia

psychology
Gavin, a seventh grader, has more trouble in school than many of his peers, particularly with word problems in math and other areas that aren't concrete and tangible. In spite of high motivation, he still struggles, and new situations and problems “throw him” ...
Sunday, September 27, 2015 by Anonymous

Health
Which of the following secondary sex characteristics do not develop during the teen years? (1 point) development of breasts in girls development of body hair in boys development of ovaries in girls and testes in boys development of acne in boys 2. What is the primary cause for...
Sunday, September 27, 2015 by Shalee ^~^

Health PLEASE HELP
Hi, can some one check my health answers? I answered all the questions, I would just like some one to check them :) btw I go to connections academy. 1.Which of the following secondary sex characteristics do not develop during the teen years? (1 point) development of breasts in...
Sunday, September 27, 2015 by KawaiiLightlee

Physics
To ward off oceanic invaders, a cannon is placed 10 meters from the water's edge, pointing out at sea. The cannon is capable of firing a projectile at a maximum velocity of 100m/s. a) what is the maximum firing range of the cannon? b)If the cannon was placed on a cliff ...
Sunday, September 27, 2015 by :(

Pre-Algebra
You are a member of a fund raising committee for your school. The committee is sponsoring a fair. Each member of the committee has agreed to sell 50 tickets to the fair. Student tickets are $3 each and adult tickets are $5 each. Use an expression to determine how much money ...
Sunday, September 27, 2015 by Zoe

Math
Three fifth of the members of a hiking trip club went on the last hiking trip. If 39 people went on the trip how many are in the club? Mathew travels two and one half miles to get to school. This is 3 times the distance that Jennifer travels . How far does Jennifer travel?
Sunday, September 27, 2015 by Sunny

math
Peter will apply to his favorite school . Requirement for admission to the school : 1. Indonesian languange score should not be less than 6 , 2. Mathematics score should not be less than 5 3. Score of Indonesian languange + score of mathematics should not be less than 12. ...
Sunday, September 27, 2015 by Iman

shammah int'l school
A man walks at 30km east ward and 35km north ward what is the resultant displacement of the man,as well as his direction
Sunday, September 27, 2015 by chika nsitem

Phsyics
To ward off oceanic invaders, a cannon is placed 10 meters from the water's edge, pointing out at sea. The cannon is capable of firing a projectile at a maximum velocity of 100m/s. a) what is the maximum firing range of the cannon? b)If the cannon was placed on a cliff ...
Saturday, September 26, 2015 by Anonymous

English
Identify three adjectives in the sentence below. "When I cut my right hand on the broken glass, I searched high and low for some pain-killing medicine." a. right, glass, some b. right, broken, pain-killing c. my, right, hand Is the answer b?
Saturday, September 26, 2015 by SkatingDJ

Arithmetic
A student must walk 2 miles to get to school. If she walks at an average of 3 miles per hour, how many minutes should it take her to walk to school?
Saturday, September 26, 2015 by Anonymous

Physics
A 124-kg balloon carrying a 22-kg basket is descending with a constant downward velocity of 25.2 m/s A 1.0-kg stone is thrown from the basket with an initial velocity of 11.7 m/s perpendicular to the path of the descending balloon, as measured relative to a person at rest in ...
Friday, September 25, 2015 by daniela

Z table
Suppose that the readings on the thermometers are normally distributed with a mean of 0∘ and a standard deviation of 1.00∘C. If 8% of the thermometers are rejected because they have readings that are too high, but all other thermometers are acceptable, find the ...
Friday, September 25, 2015 by Anonymous

physics
A robot probe drops a camera off the rim of a 323 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s.
Friday, September 25, 2015 by Anonymous

Physics
A rifle that shoots bullets at 447 m/s is to be aimed at a target 40.7 m away. If the center of the target is level with the rifle, how high above the target must the rifle barrel be pointed so that the bullet hits dead center?
Friday, September 25, 2015 by barich

Physics
A certain airplane has a speed of 336.8 km/h and is diving at an angle of θ = 32.0° below the horizontal when the pilot releases a radar decoy (see the figure). The horizontal distance between the release point and the point where the decoy strikes the ground is d = ...
Friday, September 25, 2015 by barich

Algebra
A school store has1200 pencils in stock, and sells an average of 24 pencils per day. The manager reorders when the number of pencils in stock is 500. In how many days will the manager have to reorder.?
Friday, September 25, 2015 by Step his

BHISHO HIGH
CAN U HELP ME CAUSE I WILL DOING ACCOUNTING NEXT YEAR BUT STILL I HATE MATHEMATICS,IS GOOD FOR ME TO DO ACCOUNTING?
Thursday, September 24, 2015 by BONGA

physic
A ball is dropped from the top of an apartment building. A person is on a patio somewhere beneath the top of the apartment building and the person notices the ball takes 0.11 seconds to fall from the top of his patio to the bottom of his patio. The height of his patio is 3.1 ...
Thursday, September 24, 2015 by elle

Physics
A car, moving along a straight stretch of high- way, begins to accelerate at 0.014 m/s2. It takes the car 23.2 s to cover 1 km. How fast was the car going when it first began to accelerate? Answer in units of m/s.
Thursday, September 24, 2015 by Bob

English
Hello which sentence is correct? I'm not sure. as I had learned much from garfield high school. or I have learned much from Garfield high school. Should I use had or have? thank you
Thursday, September 24, 2015 by Kevin

Maths
A boy cycles 7.5km to school in 27½ minutes.Find his average speed in meters per second.
Thursday, September 24, 2015 by Awuni

science
Which physical properties are characteristics of metals? Choose all that apply. -brittle -high luster -malleable -ductile -not very reactive 1, 2, and 5?
Thursday, September 24, 2015 by luke

physics
A baseball player standing on the ground throws a ball straight up. The ball leaves the player's hand with a speed of 15.5 m/s and is in the air for 3.30 s before hitting the ground. How high above the ground was the baseball player's hand when he released the ball?
Thursday, September 24, 2015 by niro

english
Question #1 Is the following sentence written correctly? Yes or no? 1. “Hey,” he asked, “who are they?” 2. “No,” she said “that is not painful.” 3. “His mother, he said, “is taking night classes”. 4. “Mother,” he...
Thursday, September 24, 2015 by Anonymous

english
Which of the following sentences demonstrates proper pronoun-antecedent agreement? a. Canada is proud of their hockey team. b. Both of the boys performed well in his school play. c. Neither the girl nor her friends are going to her party. d. The jar of pickles sits on their ...
Thursday, September 24, 2015 by JR.

english
My favorite hobby in high school was showing horses in community horse shows. Which of the following is the simple subject? a. High school b. Horses c. Shows d. Hobby i think the answer is d.) hobby 2. Which of the following sentences is written correctly? a. I found the shoe ...
Thursday, September 24, 2015 by john

English language
what are proper nouns and common nouns and give examples of each. how do I make a noun mobile school project.
Wednesday, September 23, 2015 by Amoy

math
In jims,5 times as many students take the bus as those who walk. A total of 24 students walk or take the bus. How many more students take the bus than walk to school?
Tuesday, September 22, 2015 by Morgan

science
What is the volume of a cardboard box that is 11 inches long, 3 inches wide, and 7 inches high.
Tuesday, September 22, 2015 by Alayssa Hickey

mshweshwe high school
A car accelerates from rest at 5 metres per square seconds. Calculate the distance covered by the car after 6 seconds
Tuesday, September 22, 2015 by sipho

School
14.569
Monday, September 21, 2015 by Anonymous

Physics: Please help!
I can't figure this out at all...Can someone please explain it to me? It has been claimed that an insect is the best jumper in the animal kingdom. This insect can accelerate at 3950 m/s2 over a distance of 2.3 mm as it straightens its legs. (a) Assuming a uniform ...
Monday, September 21, 2015 by Claire

Physics
I cannot figure out this question, and it would be greatly appreciated if someone could help me out! :) It has been claimed that an insect is the best jumper in the animal kingdom. This insect can accelerate at 3950 m/s2 over a distance of 2.3 mm as it straightens its legs. (a...
Monday, September 21, 2015 by Claire

klein eden combined school
l.o types of environmental issues
Monday, September 21, 2015 by sya

prealgebra
A school library charges a fine of 5 cents on the first day a book is overdue, then doubles the amount owed each day until payment is made. Jada and Juan each had a book that was overdue. Jada paid a fine that was $2.40 more than Juan’s fine. Which statement about the ...
Monday, September 21, 2015 by Anonymous

physics
Another scheme to catch the roadrunner has failed. A safe falls from rest the top of a 30.2 m high cliff toward Wiley Coyote, who is standing at the base. Wiley first notices the safe after it has fallen 17.4 m. How long does he have to get out of the way? The acceleration of ...
Monday, September 21, 2015 by luma

maZulu high
Discuss tree practical measures to deal with this environment issue that cause ill health on a person
Monday, September 21, 2015 by sbusiso mkhize

probability
The National Center for Educational Statistics reported that in 2009 the ACT college placement and admission examination were normally distributed and had a mean of 21.1 and standard deviation of 5.1. A college requires applicants to have an ACT score in the top 20% of all ...
Monday, September 21, 2015 by matt

Physics
How high will you be when you stop rising if you jump upward with an initial vertical speed of 2 m/s? Answer to the nearest 0.1 m, and use g = 9.80 m/s2.
Monday, September 21, 2015 by Emey

question
You purchased 8 pounds 10 ounces of candy from a candy shop. You want to split it equally among 3 classrooms at a local school.
Sunday, September 20, 2015 by mary

Music
Which phrase describes the parts of a basic music staff? 5 lines and 6 spaces high and low music notes 5 spaces and 4 lines 5 lines and 4 spaces
Sunday, September 20, 2015 by Sara

AP Physics I
A placekicker is about to kick a field goal. The ball is 26.6 m from the goal post. The ball is kicked with an initial velocity of 19.0 m/s at an angle θ above the ground. Between what two angles, θ1 and θ2, will the ball clear the 2.8-m-high crossbar? (Hint: ...
Sunday, September 20, 2015 by Matt

Physics-HELP
An Olympic long jumper is capable of jumping 7.5 m. Assume that his horizontal speed is 8.8 m/s as he leaves the ground. How long is he in the air? How high does he go? Assume that he lands standing upright, that is, the same way he left the ground.
Sunday, September 20, 2015 by Manny

Physics
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 56.3 ° above the horizontal. The rocket is fired toward an 11.0-m high wall, which is located 21.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...
Sunday, September 20, 2015 by Physisc Help

grammar public school rawlakot
The cost price of a Jean is Rs. 200 and marked price is 50% more than the cost price. But the shopkeeper sold it at 25% discount. Find the marked price. Find the discounted price.
Sunday, September 20, 2015 by zenab

Physics
A hammer is thrown horizontally from the flat roof of a tall building at a velocity of 10m/s and hits the ground below after 5 seconds. (a) How high is the roof? (b) How far from the building does it land.
Sunday, September 20, 2015 by Heinnrick

Finance
You plan to start an elite 2 year MBA program on September 1, 2015. Tuition is $75,000 per year payable on that date, at the beginning of the school year. You expect tuition to increase by 6% in the second year. If the market interest rate is 3% per year, how much would you ...
Sunday, September 20, 2015 by Jordy

Math
A teacher charges Php 500 per hour of tutorial service to a second year high school student. If she spends three hours tutoring per day, how much would she receive in 20 days?
Sunday, September 20, 2015 by Jennylyn

Science
If the trend in the graph continues through the summer, what would you expect the average high temperature in Louisville, Kentucky, to be in August? A. 66F B. 83F** C. 103F D. 125F I don't know how to give you think link. Any ideas?
Saturday, September 19, 2015 by Shi Buringa

Kwasa high school
Three ways on how water pollution can impact negatively to the health of the people in our community
Saturday, September 19, 2015 by Sizwe mavuso

geography
In school I have Developed, NICs (Industrialising) and Developing countries. I have done most of it. The NICs and Developing are the ones I need help with. For the NICs I have S. Korea, China, Brazil, Mexico and India and I need 3 more, for Developing, I have Vietnam, ...
Saturday, September 19, 2015 by Damian

Math
At a school with 100 students, 35 take French, 32 take German, and 30 take Spanish. Twenty students take only French, 20 take only German, and 14 take only Spanish. In addition, 7 students are taking both French and German, some of whom also take Spanish. How many students are...
Saturday, September 19, 2015 by Spencer

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