Friday
May 6, 2016

Homework Help: High School

Physics
An egg is thrown from the top edge of a 22.9 m high building down onto an unsuspecting person standing on the ground 6.2 m from the base of the building. If the egg is tossed horizontally, at what speed, in m/s, must the egg be thrown such that it lands on the person?
Wednesday, April 20, 2016 by Melissa

Math
The school bus will be either be on time ir late. The probability that it will be on time is therefore 0.5.
Wednesday, April 20, 2016 by Kayla

Calculus
A stone is dropped from the edge of a roof, and hits the ground with a velocity of −170 feet per second. Assume the acceleration due to gravity is -32 feet per second squared. How high (in feet) is the roof?
Wednesday, April 20, 2016 by Anonymous

Language Arts
The poem I'm reading is "The Importance of Being Earnest" by Oscar Wilde 1. Which sentence from the passage provides the best expression of the theme? a. "its perfectly easy to be cynical." b. "... once a week is quite enough to dine with one's...
Tuesday, April 19, 2016 by Night_Fury101

Math
A high school has 438 students with about the same number of males and females. Describe a simulation to predict how many of the first 50 students who leave school at the end of the day are female.
Tuesday, April 19, 2016 by Emily

Mathhhhh pls help me
A dance school has 54 students who learn salsa and 23 of those students also learn ballet. There are 15 students who do not learn salsa but learn ballet and 10 students do not learn either salsa or ballet. Which table best shows the relative frequency of rows for the data?
Tuesday, April 19, 2016 by Oscar

english
As a teenager, I was not obsessed about eating out. My family would eat at a restaurant at least twice a week. Every time we went anywhere, it was a challenge for my parents to find a suitable food and a nice quality restaurant. Fortunately, exception I loved the place and ...
Tuesday, April 19, 2016 by girl

School
The Robinson's have quite a lot of family pets. They have 3 times as many budgies as they have cats and there are a total of 30 legs between them. Complete the following statement. The Robinson's have ____cats and ____budgies. I need help, can someone show me the ...
Tuesday, April 19, 2016 by 88

science
how to find a solution with high buffer capacity?
Tuesday, April 19, 2016 by ayya

Math
In 1995-96 academic year there were 86,087 bachelor degrees awarded. That number fell to 71,261 for 2002-2003 school year. In 2008-09 it rose to 120,488 . How much greater was the percent increase from 2003 to 2009? How much was the percent decrease from 1996 to 2003?
Sunday, April 17, 2016 by Bryant

science
a boy whose mass is 69kg climbs a tree 10m high in 12s .calculate the work done and power developed
Sunday, April 17, 2016 by latela

Math 4
There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students? How would I solve this problem? PLZ help me! :(
Sunday, April 17, 2016 by Diane

Math
There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students? Answers: A. 4/141 B. 141/4 C. 5/141 D. 141/5 My Answer: A: 4/141 Please check if I am right. Thanks!
Sunday, April 17, 2016 by Lani

Physics
Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th Grade 11th Grade 12th Grade College Adult ...
Sunday, April 17, 2016 by Rameel

english
complete the following sentence by filling in a suitable predicates 1,the cat 2,the school bus 3,all the students, 4,the class room 5,the boys
Sunday, April 17, 2016 by afsheen

physics!
In its search for flying insects, a bat uses an echolocating system based on pulses of high frequency sound. These pulses are 2.0 ms in duration, have a frequency of 50 kHz, and an intensity level of 100 dB at 1.0 m from the bat’s mouth. Assume the bat produces acoustic ...
Saturday, April 16, 2016 by Jamie

math
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
Saturday, April 16, 2016 by alicia

distribution
In a school, the IQ scores of the students have a normal distribution with a mean value of 100, and a standard deviation of 10. What is the probability that the IQ score of a randomly selected student is at least 120? (10 p)
Saturday, April 16, 2016 by ABDULA YUSUF

English
1. The boy is ten years old. 2. He is a ten-year-old boy. 3. The building is ten meters tall. 4. The building is ten meters high. 5. It is a ten-meter-tall building. 6. It is a ten-meter-high builing. 7. It is a ten-meter building. (Which ones are grammatical?)
Saturday, April 16, 2016 by rfvv

Equations
The school sold 300 tickets for a school play and collected a total of $1,150. Student tickets cost $3.00 and adult tickets cost $5.00. How many students attended the play ?
Friday, April 15, 2016 by masocholia

Math/Algebra
In the school election, votes were cast for Sam, Mary, and Bill in the ratio of 4:3:2. If a total of 2,178 votes were cast, how many votes did Mary receive?
Friday, April 15, 2016 by Noel

School
I was just wondering... So like, my teacher drops the lowest grade every new term and when my teacher dropped my lowest grade which says "no count" next to it, my grade went down. Is this possible?
Friday, April 15, 2016 by Anonymous

Psychology
What kind of disorder does this person. I think he have schriozophenia. Mr. Jameson is a white 42-years old man who has never been married and is currently unemployed. He was brought to the emergency room by the police for striking an elderly woman in his apartment building. ...
Friday, April 15, 2016 by Moe

math
to get ready for her 1 semester of school, brie spent a total of 7.92 dollars for eight identical notebooks. what was the cost of each notebook?
Thursday, April 14, 2016 by sckid30

math
in a school gym , 588 students were seated for an assembly in 21 equal rows. what number of students were stated in each row?
Thursday, April 14, 2016 by sckid30

Stats - Help!!!
Two statements are given below. Select the statement for which a ratio of the measurements is meaningful. State “Neither” or “Both” if appropriate. 1 - Kasheta ran the race in 22.3 sec, and Louisa ran the same race in 26.4 sec. 2 - Juan gets out of school ...
Thursday, April 14, 2016 by Angela

Stats - Help!!!
A student wanted to know the favorite lunch at a large high school with a closed campus. What is the first step in conducting a statistical study to answer the question? A. Select a random sample of students. B. State the goal of the study precisely. C. Select a random sample ...
Thursday, April 14, 2016 by Angela

math
Jordan travels X of a mile longer to school each day than Harrison does. combined they travel 5 1/4 miles to school how far does each travel.
Wednesday, April 13, 2016 by lay

Statistics
The father of a junior high school student wants to determine the most popular book among junior high students. Select the sample with the least potential bias. A. A randomly selected group of 10 book sellers B. A randomly selected group of 30 junior high students C. A ...
Wednesday, April 13, 2016 by Angela

global history
The barbarians have broken through the ramparts. The Saracen [Moors} invasions have spread in successive waves over the South. The Hungarians swarm over the Eastern provinces...they sacked town and village, and laid waste the fields. They burned down the churches and then ...
Wednesday, April 13, 2016 by Castermans.m

Mathematics
1.​At your summer job with a research company, you must get a random sample of people from your town to answer a question about spending habits. Which of the following methods is most likely to be random? a. You survey customers at the local shopping mall. b. You survey ...
Wednesday, April 13, 2016 by Queen/Halle

Math plz help!!!!
Which of the following types of information is not suited for display on a double bar graph? populations of boys and girls at three different schools number of records versus compact discs sold each week during a one ­month period at The Music Den the weekly interest rate ...
Wednesday, April 13, 2016 by Queen/Halle

PHYSICS!!
In its search for flying insects, a bat uses an echolocating system based on pulses of high frequency sound. These pulses are 2.0 ms in duration, have a frequency of 50 kHz, and an intensity level of 100 dB at 1.0 m from the bat’s mouth. Assume the bat produces acoustic ...
Wednesday, April 13, 2016 by Ben

Math
a. Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I think it would better for a cube to have a high volume. Can you please check am i correct if Im not can you explain.
Wednesday, April 13, 2016 by Anastasia

algebra 1
In a basketball game you score 2 points for a field goal and 1 point for a free throw. Suppose that you have scored at least 5 points a game and have a season high of 12 points a game. How many field goals and free throws could you have made in one game?
Tuesday, April 12, 2016 by ian

IMPORTIANT MATH
A school is fencing in a rectangular area for a playground. It plans to enclose the playground using fencing on three sides (the fourth is a wall) . The school has budgeted enough money for 75 ft of fencing material and would like to make a playground with an area of 600 ft^2...
Tuesday, April 12, 2016 by Jamie

science check
The lake water in a location in Florida has been found to contain high levels of fecal coliform. What are people in the location most likely to do? breed fish in the lake stop swimming in the lake reduce their water consumption install water filtering equipments in their ...
Tuesday, April 12, 2016 by Oscar

Algebra 1
A firework is launched from a cliff overlooking the ocean. The elevation of the firework shell, in feet above sea level, t seconds after launch is given by the expression -16t^2+157t+63. How high is the top of the cliff, in feet above sea level. We just started and my teacher ...
Tuesday, April 12, 2016 by Zack

Mathematics
1. Which of the following is the correct definition of minerals? (1 point) a naturally occurring, inorganic solid that has a crystal shape and a definite chemical composition a naturally occurring, inorganic solid that forms through crystallization of melted materials•&#...
Tuesday, April 12, 2016 by Queen/Halle

Physics
A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, the spring is compressed 7.00 cm, the gun is fully loaded, and the force required is 70.0 N. a) Calculate the work required to load the gun. b) Calculate the ...
Tuesday, April 12, 2016 by Emily

math mrs sue please help or any one
I'm in connections and this is a quiz the value of the dependent variable in a function is always blank the value o the independent variable a greater than b dependent on c equal to d less than a science class planted a tree in the school court yard that was 6 inches tall...
Tuesday, April 12, 2016 by josiah

Algebra
An arrow is shot vertically upward from a platform 48 ft high at a rate of 233 ft per sec. When will the arrow hit the ground? Use the formula: h = −16t2 + v0t + h0.
Tuesday, April 12, 2016 by diane

Algebra
I do not understand this homework at all. Any help or elaboration would be greatly appreciated. Thanks. 100 juniors at Southwest High took the SAT test. The scores were distributed normally with a mean of 22 and a standard deviation of 3. Label the mean and three standard ...
Tuesday, April 12, 2016 by Kesha

Physics
How high would you have to lift a 0.294N mouse to do the same amount of work that you would do if you lift a 6.87 kN elephant 1.00cm?
Monday, April 11, 2016 by Chad

Chemistry
You have a tank of wine that needs a 20 ppm addition of SO2. Answer the following questions. 1. To make 5 gallons of a 6% w/v SO2 solution (expressed as SO2) how much K2S2O5 (222 g/mol) should be weighed out? 2. How much of this solution (in mLs) should be added to the tank (...
Monday, April 11, 2016 by Sasha

yakima community college
If a certain city had a record low for the year of -30 degrees Celsius, and a record high of 38 degrees Celsius, find the temperatures in degrees Fahrenheit.
Monday, April 11, 2016 by Anonymous

Word problem middle school
Kirk loves furbies. He has 68 curviest, each of which cost 50 percent more than the last, owing to scarcity. If his first furby cost $4, how much did his first 3 cost all together?
Monday, April 11, 2016 by Laniqua

science pls pls pls help me
The lake water in a location in Florida had an unusual color and smell. Investigations revealed that the lake? water contained high levels of toxic fertilizers and pesticides which were carried into the lake from gardens and common areas in the location. What are people in the...
Monday, April 11, 2016 by Oscar

art help please
I'm trying to make a cigar box guitar for a school project, but I can't figure out what I should do for DIY tuning pegs (you can't use pre-made parts except for the strings)
Monday, April 11, 2016 by anonymous

Language arts unit 3 lesson 5 second read
If you have answers to 1-5 that would be great. 1. In act 1, scene 5, Scrooge sees himself as a child at school. What is revealed about his childhood in this scene? 2. In act one scene two Scrooge's nephew stops by to wish Scrooge a Merry Christmas and to invite him to ...
Monday, April 11, 2016 by Abd

history
Which of the following is true regarding deaf and blind children in the 1800s? a.)Deaf and blind children were required to live in group homes or institutions. b.) Deaf and blind children were sent to orphanages once they reached age five. c.)Deaf and blind children were not ...
Monday, April 11, 2016 by jai

math
The student to teacher ratio is 19:1 at a local school and there is a total of 500 students and teachers. How many teachers and how many students are there. I'm not sure how to begin to set this up since I have two unknowns and not only one.
Monday, April 11, 2016 by Julie

calculus
Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)
Monday, April 11, 2016 by Sam

Language Art's
1. What is Margot's motivation for saying "Sometimes I wish the end would come" in The Diary of Anne Frank, Act 2? She wants to make Anne angry She wants the others to feel sorry for her She wants someone to give her more food She wants to stop living in fear 2. ...
Monday, April 11, 2016 by #FreeGucci

Physics
An egg is thrown from the top edge of a 22.9 m high building down onto an unsuspecting person standing on the ground 6.2 m from the base of the building. If the egg is tossed horizontally, at what speed, in m/s, must the egg be thrown such that it lands on the person?
Monday, April 11, 2016 by Bira

Physics
A flying squid (family Ommastrephidae) is able to "jump" off the surface of the sea by taking water into its body cavity and then ejecting the water vertically downward. A 0.80 kg squid is able to eject 0.32 kg of water with a speed of 20 m/s. (a) What will be the ...
Sunday, April 10, 2016 by xxxxxxx

Math :)
Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I thought that the higher the volume, the longer the amount of time the ice cube does NOT melt. Which one is best? Thank you. :)
Sunday, April 10, 2016 by Mariana W.

maths
A tower 7 metres high stands on top of building which is 9 metres high. An observer at the bottom of the building notices that, as she walks away from the building, the angle theta which the tower subtends at her eyes seems to increase in size for a certain distance and then ...
Sunday, April 10, 2016 by haro

math
a tower 7 metres high stands on top of building which is 9 metres high. An observer at the bottom of the building notices that, as she walks away from the building, the angle theta which the tower subtends at her eyes seems to increase in size for a certain distance and then ...
Sunday, April 10, 2016 by haro

Physics
A ball is thrown from the ground toward a cliff of height h with a speed of 30.0 m/s and an angle of 60o above horizontal. It lands on the cliff 4.00 s later. How high is the cliff? Answer: 25.5 m But having difficulty getting this answer
Sunday, April 10, 2016 by Sarah

math
in a school with 1500 students , one student returned from vacation with a contagious flu virus on 1st January. the spread of the virus through student body is given by y=1500/1+1499e^-0.85t where y is the total number of students infected after t days. the school would cancel...
Sunday, April 10, 2016 by holy

Math
Katherine spends 7 h a day in school. This includes a 30 min lunch break each day. a) Write a ratio that compares the time for her lunch break with the total time she spends at school each day. b) Write a ratio that compares the time for her lunch breaks for a week with the ...
Sunday, April 10, 2016 by O

math
A school library had 1050 books last year. There are only 950 books in the library this year. What is the percentage decrease in the number of books? Round your answer to 2 decimal places.
Sunday, April 10, 2016 by Saba

math
There were 60 basketball players in the school team last year. This number of basketball players increases to 80. What is the percentage in the number of basketball players?
Sunday, April 10, 2016 by Saba

physics
A golf ball is hit at a velocity of 30 m/s at an angle of 40˚ from the ground. a.) How high will the golf ball rise? b.) How long will it take for it to hit the ground? c.) How far will it go?
Sunday, April 10, 2016 by suzie

Algebra
In how many ways can 8 new teachers be assigned to 14 classes at a school, if each must be in a different class?
Saturday, April 9, 2016 by Veronique

Genetics Help!!!!
1 ) When the kinase ATM is activated after DNA damage occurs in the cell a. it can directly phosphorylate p53, which is then stabilized b. it can directly phosphorylate p53, which is then targeted for degradation by MDM2 c. it can phosphorylate the p53 gene, leading to an ...
Saturday, April 9, 2016 by Kimberly

math
How many cubic feet are there in a room 20' long × 12' wide, with a ceiling 8' high
Friday, April 8, 2016 by jeremy

Elementary education
A napkin ring is being made of cast silver. It has the shape of a cylinder 1.25 inches high, with a cylindrical hole 2 inch in diameter and a thickness of 1/16 inch. How many ounces of silver are needed? [silver weighs 6 ounces per cubic inch]
Friday, April 8, 2016 by Ashley

Math
An ice cream cone is 5 inches high and has an opening 3 inches in diameter. It is filled with ice cream and then given a spherical top. How much ice cream is there? The top part is 1/2 of a sphere.
Friday, April 8, 2016 by Ashley

Math Help!!!
15. A survey about the student government program at a school finds the following results: 110 students like the program. 120 students think the program is unnecessary. 210 students plan on running for student government next year. If a circle graph were made from this data, ...
Friday, April 8, 2016 by Nausicca

Physics
An object is thrown directly up (positive direction) with a velocity (vo) of 20.0 m/s and do= 0. How high does it rise (v = 0 cm/s at top of rise). Remember, acceleration is -9.80 m/s2.
Friday, April 8, 2016 by emanuel

pre ap math
a toy rocket is launched from a platform that is 48 feet high. the rockets height above the ground is modeled by h=-16t^2+32t+43. find the maximum height of the rocket find the time it will take for the rocket to reach the ground.
Thursday, April 7, 2016 by kenia

pre ap math
a toy rocket is launched from a platform that is 48 feet high. the rockets height above the ground is modeled by h=-16t^2+32t+43.
Thursday, April 7, 2016 by kenia

math
a company is designing a juice box. the box is in the shape of a rectangular prism. the base of the box is 8 1/2 inches by 4 1/2 inches, and the box is 4 inches high. if the juice fills 80% of the boxes volume, find the volume of juice in the box.
Thursday, April 7, 2016 by onel22

Algebra II
A car’s headlight contains a parabolic reflector. A special bulb with two filaments is used to produce the high and low beams. The filament placed at the focus produces the high beam and the filament placed off-focus produces the low beam. The equation of the reflector is...
Thursday, April 7, 2016 by Sandy East Ward

Math-soh cah toa
A bridge is 140m long.From the ends of the bridge, the angles of depression of a point on the river under the bridge is 41° and 48°. How high is the bridge above the river to the nearest meter. ( I know the answer is 68m, I just need to know how to get that, please ...
Thursday, April 7, 2016 by Kennedy

calculus
Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)
Thursday, April 7, 2016 by Sam

calculus
Use a(t) = -32 ft/sec2 as the acceleration due to gravity. (Neglect air resistance.) A ball is thrown vertically upward from a height of 4 feet with an initial velocity of 79 feet per second. How high will the ball go? (Round your answer to two decimal places.)
Thursday, April 7, 2016 by Sam

Math
A mural on the school wall has an area of 4800 square inches. If the length of the mural is 1 1/13 times the width, what are the dimensions of the mural?
Thursday, April 7, 2016 by Evie

Science
Why is a gas able to flow? It's particles have melted and can move around. It's particles have high viscosity and can move around. It's particles have enough energy to move around. It's particles have enough pressure to move around.** not sure of the answer. ...
Wednesday, April 6, 2016 by Sally

Social Studies
How were the carpetbaggers able to influence freed slaves in the south? A. They gave them land and helped them start farms. B. They took advantage of their inability to read and write. C. They promised them high-paying jobs in the newly elected government. D. They set up ...
Tuesday, April 5, 2016 by Karl

high school chemistry
You are going to titrate 20 mL of .10M HCL with 0.10M NaOH. What is the pH at the equivalence point. How do I figure out the equivalence point when I have already figured out that the initial pH of the HCL and NaOH are both 1?
Tuesday, April 5, 2016 by Jerome

maths
two-fifth of the students in a mixed school are boys. if there are 30 girls in the school how many are boys.
Tuesday, April 5, 2016 by Nita

maths
two-fifth of students in a mixed school are boys if there are 30 girls in the school how many are the boys
Tuesday, April 5, 2016 by Nita

Social Studies
I only need to get these answers checked please. How were the carpetbaggers able to influence freed slaves in the south? a. They gave them land and helped them start farms b.They took advantage of their inability to read and write. c. They promised them high paying jobs in the...
Tuesday, April 5, 2016 by BossManJenkins

Math
. If there are 1050 students in a school and the ratio of boys to girls is 9:5, then what is the number of boys in the school?
Tuesday, April 5, 2016 by Kate

math
Three friends bought school supplies for $12.06. They will split the cost equally. How much does each person have to pay?
Monday, April 4, 2016 by perla

PHYSICS!!
The human body loses heat at a rate of 120W when sitting quietly at rest. If a 65 kg student takes 100 hours to read War and Peace by Leo Tolstoy, how high could they have been lifted if all the heat energy lost was utilised to lift them against gravity (assuming that the ...
Monday, April 4, 2016 by Vanessa

History
Which of the following is true regarding deaf and blind children in the 1800s? a.)Deaf and blind children were required to live in group homes or institutions. b.) Deaf and blind children were sent to orphanages once they reached age five. c.)Deaf and blind children were not ...
Monday, April 4, 2016 by jai

Career res & desc
Can someone please help me with this?!? Stella believes that it is important to be able to stay home with her children when they are sick or have a day off school. For Stella, spending time with her children is: A)An intrinsic career value. B)An extrinsic career value. C)A ...
Monday, April 4, 2016 by Help

History Help!
1.How did New England's textile industry affect women? -New technologies required men to work far from their wives and families -The jobs in this field were considered "mens work," and women were not hired -The need for unskilled labor provided low-paying factory...
Monday, April 4, 2016 by John

physics
From the roof of a 64 metres high building a ball was thrown which is of 5kg mass.how long it takes to reach the ground? Please show the process with answer
Monday, April 4, 2016 by Zarine

Math
Jan is making a pencil holder out of plastic canvas. The pencil holder is 4 inches high. It will not have a top. Each edge of the square base is 3 inches long. How much plastic canvas does Jan need?
Sunday, April 3, 2016 by Lin

Operations with Integers
On a summer day, the low temperature of 75°F was reached at 6 am. The high temperature was reached 9 hours later, after the temperature rose 16°F. What was the high temperature that day?
Sunday, April 3, 2016 by Sandy

science help PLS
Which of the following is a sign of poor quality water? Zero turbidity A pH of 7.0 High phosphate content High dissolved oxygen
Sunday, April 3, 2016 by Oscar

science help pls pls
Which of the following is typically associated with a large amount of organic material in a water supply? Lower turbidity Higher phosphates Fecal coliform High dissolved oxygen is it c pls help
Sunday, April 3, 2016 by Oscar

Springville Middle School
A cone shaped water bucket will hold 7800 ft3 of water. If the radius of bucket is15ft,what is the height of the water bucket?
Sunday, April 3, 2016 by Matt Grimes

Math
The school store opened on the first day of scroll with 56 notebook and 24 pencils. Within two days it sold all of these items. On the first day, twice as many notebooks were souls as pencils. On the second day for every 5 notebooks sold, 2 pencils were old. How many notebooks...
Saturday, April 2, 2016 by Manuel chua

Math
Nathaniel school is selling tickets to a spring Musical on the first day of ticket sales the school so 3 senior citizen tickets and nine children tickets to for a total of $75 the school took in $67 on the school on the second day by 8 senior tickets and 5 child tickets. What...
Saturday, April 2, 2016 by Naseem

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. 14
  17. 15
  18. Next>>