Sunday
January 22, 2017

Homework Help: High School

behavior health
According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated reliability of the test? a. 0.40 b. 0.50 c. 0.80 d. 0.90 I selected C for my answer 40/50 is the .80 If the correlation between one’...
Sunday, January 22, 2017 by A

English
1. A period in literature governed by a particular set of ideas, concerns, or characteristics is a. literature of exploration b. National literature c. A literary outline d. A literary movement 2. Which Literary movement began after the civil war? a. American romanticism b. ...
Sunday, January 22, 2017 by English

Clinical assessments
Hello Sue, I have some doubts about several of answers and was wandering if you could help. According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated reliability of the test? a. 0.40 b. 0.50 c. 0.80 d. 0.90 ...
Sunday, January 22, 2017 by A

Geology
What makes the mafic rocks dark in colour? Calcium or iron? I know that mafic rocks contain high amounts of both calcium and iron, but I don't know which one results in the dark colur.
Friday, January 20, 2017 by Asmaa

English
1. He dislikes going to school. 2. He dislikes to go to school. (Are both grammatical? Which one is commonly used?)
Friday, January 20, 2017 by rfvv

physics
A 3.67-g bullet, traveling at a speed of 484 m/s, strikes the wooden block of a ballistic pendulum, such as that in Figure 7.14. The block has a mass of 186 g. (a) Find the speed of the bullet/block combination immediately after the collision. (b) How high does the combination...
Thursday, January 19, 2017 by Tyler

Texas history
1. Who were the buffalo soldiers? A. African-American US Calvary units that fought against the Comanche B. Comanche rangers who also hunted buffalo C. Private security hired by Texas cattleman to protect them from the Comanche D. Soldiers of signed by the US army to attack the...
Thursday, January 19, 2017 by Anonymous

math
The roof of a tunnel is in the shape of a parabolic arch whose highest point is 18m above the road. The road surface is 16m wide. Lights are placed in the tunnel 12 meters high. How far from center of the tunnel are the lights placed?
Thursday, January 19, 2017 by stephen

english
During halftime at the local high school, Felipe noticed a cheerleader crying, the coach yelling, and the fans emptying the stands. need to make sure this is the correct puntuatuiom
Thursday, January 19, 2017 by judy

math
If 400 bricks measuring 81" by 31" are required to build a wall 42 ft. high, how long is the wall?
Thursday, January 19, 2017 by Anonymous

Math
which would you measure using feet 1.length of your finger 2.length of your school 3.(length of your room) 4.distance across town
Wednesday, January 18, 2017 by Help I need somebody not just anybody

math
A 10 meter ladder is placed against a building at an angle of 75 degree with the ground. how high up the building does the ladder reach?
Wednesday, January 18, 2017 by dav

Foundations of Algebra
20. Is it more difficult to walk up the ramp (6 ft high 8 ft long) or the hill (8 ft high, 12 ft long)? I am confused on this.
Wednesday, January 18, 2017 by Roshni

Chemistry
For the reaction of 2 HCl + Na2CO3 -> H2O + CO2 + 2 NaCl, how can I visually identify the limiting reagent, without any calculations? If I have a very high percent yield, what would be a good reason for it, considering that the HCl was diluted to 0.050 L at 0.8 M ...
Wednesday, January 18, 2017 by Benjamin

PE
To eat more healthful and decrease your calorie intake, MyPlate recommends that you 1.eat breakfast, lunch, and dinner with no snacks in between meals. 2.eliminate starchy vegetables like potatoes, corn, and lima beans that are high in carbohydrates. 3.drink fruit juice for ...
Wednesday, January 18, 2017 by Help I need somebody not just anybody

PE
When reading a recipe ingredients, which substance makes the recipe an unhealthy choice if it is present in a high amount? Parentheses are the ones i answered. 1.fiber 2.protein 3.trans fat 4.(unsaturated fat)
Wednesday, January 18, 2017 by Help I need somebody not just anybody

physics
A high-jumper, having just cleared the bar, lands on an air mattress and comes to rest. Had she landed directly on the hard ground, her stopping time would have been much shorter. Using the impulse-momentum theorem as your guide, determine which one of the following statements...
Tuesday, January 17, 2017 by Tyler

Algebra 2
A 10 person student council will be selected from 18 students at a school. How many poss are there for this council?
Tuesday, January 17, 2017 by jazzy

Language Arts
I have a few questions I need help with; I have more, but I can wait on those ones. 8. Read the following sentences from “First Confession.” Then, to crown my misfortunes, I had to make my first confession and Communion. It was an old woman ...
Tuesday, January 17, 2017 by Hannah

math
from the top of a vertical mast 150m high,two huts on the same ground level are observed. One due east and the other due west of the mast. Their angles of depression are 60° and 45° respectively. Find the distance between the huts. Solutuons with diagram
Tuesday, January 17, 2017 by Folorunsho

Algebra
For the school play, one adult ticket costs $10 and one student ticket cost $6. Twice as many student tickets as adult tickets were sold. The total receipts were $3 300. How many of each kind of ticket were sold?
Monday, January 16, 2017 by Courtney

physics
A ball rolls of the top of stairway with a horizontal speed of 1.5m\s. The steps are 0.5 metre high and 0.5 metre wide. Which step will the ball hit first?
Sunday, January 15, 2017 by beiber

physics
A rifle with muzzle velocity of 460m\s shoot a bullet at small target 46 metre away. How high above the target must the gun be aimed so that the bullet will hit the target.
Sunday, January 15, 2017 by kabir

children's literature
With pre-school children, a first step in engaging children in the reading process is to read stories in which characters are faced with a decision to be made and in which there is: A. no clear-cut answer. B. no solution. C. a set of choices provided. D. an obvious solution. i...
Sunday, January 15, 2017 by bev

geometry
if the radii of two circular ends of conical bucket which is 30cm high are 14 and 7 cm find the toal surface area and capacity of bucket
Sunday, January 15, 2017 by ssk

Physics
The rear window in a car is approximately a rectangle, 2.0 m wide and 0.37 m high. The inside rearview mirror is 0.52 m from the driver's eyes, and 1.38 m from the rear window. a) What is the minimum length for the rearview mirror if the driver is to be able to see the ...
Friday, January 13, 2017 by Bonnie

Language Arts
I am having a trouble with a few questions. 4. Which of the following sentences from “Poor Fish” does not support the story’s theme of self-loathing and inferiority? A. “But I looked upon myself as being ...
Friday, January 13, 2017 by Abby

math
Students at an elementary school are given a questionnaire that they are required to return after their parents have completed it. One of the questions asked is, "Do you find that your work schedule makes it difficult for you to spend time with your kids after school?&...
Friday, January 13, 2017 by Duran

PLEASE ANSWER! I NEED HELP
Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. A link would be useful too, or a website! (I have ...
Thursday, January 12, 2017 by Anonymous

Physical Science
Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. (I have to write three lines, it's not a lot...
Thursday, January 12, 2017 by Anonymous

physics
A 45-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 210 J from 400 J. How high does she rise during this interval? Neglect air resistance.
Thursday, January 12, 2017 by Tyler

Math
Ryan has a collection of220 baseball cards.helets his bro have 1/4 of his collection & sells 20% of the coll to the baseball card shop. he takes 15 cards to school to give his fireds how many baseball cards remain in ryan coll? 1/4=55 to school=15 70-220=150 205 of 150=30 shop...
Thursday, January 12, 2017 by marilyn

English
What do you mean by accurate? I'm confused. I have been out of school since the 70's. Thank you!
Wednesday, January 11, 2017 by Jennie

math
An extension laddder is to be placed against a house so that it reaches 1 ft above the edge of the roof, which is 23.5 ft high. The ladder makes an angle of 70 degrees with the ground. How long must the ladder be? How far is the distance from the house to the base of the ladder?
Wednesday, January 11, 2017 by randey

Health
1. To eat more healthful and decrease your calorie intake, MyPlate recommends that you eat breakfast, lunch, and dinner with no snacks in between meals. eliminate starchy vegetables like potatoes, corn, and lima beans that are high in carbohydrates. drink fruit juice for extra...
Wednesday, January 11, 2017 by Help

English
As Principal speaker in your school debate competition, write your arguments for against the motion television is doing more harm than good
Wednesday, January 11, 2017 by moses

Social Studies
1)What was John James Audubon famous for? A)painting and cataloguing American animals, especially birds. B)painting the new living conditions in urbanized areas. C)representing new immigrants through drawings and paintings. D)surveying and creating maps of western lands. 2)For...
Wednesday, January 11, 2017 by kk

Algebra
Shirts with the a school's mascot were printed, and the table shows the number of people who bought them the first, second, third, and fourth weeks after their release. Which graph could represent the data shown in the table? Weeks | Number of sales 1 |22 2 |50 3 |62 4 |75...
Wednesday, January 11, 2017 by Chloe

math
A teacher from Anderson Middle School printed k nametags in preparation for the science fair. Half of the nametags were given out to students and 100 nametags were given out to parents. Three-fifths of the remaining nametags were given out to teachers and contests judges. How ...
Tuesday, January 10, 2017 by Anonymous

ELA
1. Read the following passage from The Cay. “Young bahss,” he said, coming back under the shelter, “mebbe before d’night, a schooner will pass dis way, an’ if dat ’...
Tuesday, January 10, 2017 by searcher

Science!
Which of the following correctly identifies active transport? (1 point) Transport proteins move large molecules from areas of low concentration to areas of high concentration using cellular energy. Transport proteins move large molecules from areas of low concentration to ...
Tuesday, January 10, 2017 by Agala

All
If a student went to a mental hospital for depression and suicidal thoughts and they go to an online school why do they get marked down in participation for being behind.
Monday, January 9, 2017 by Diamondchic

Math
Paul is standing at the bottom of a hill that is 150 meters high. He measures the angle of the elevation of the top of the hill to be 32 degrees. If the slope of the hill is constant, how far will his walk to the top of the hill be
Monday, January 9, 2017 by Fred

HELP ANYONE
Badger Bus Line; c=75+1.25x For what trip lengths can the school use Badger Bus if they have at most $300 to spend on transportation?
Monday, January 9, 2017 by Anna

math
Please help with this test, I was out of school for awhile due to my dad passing away from heart and kidney failure. I'm trying to catch up on missing work and get good grades to make my mom happy and every time I ask my teachers for help with this test they really don'...
Monday, January 9, 2017 by Anonymous

physics
A boy lining a railway bridge 49ft. high, sees a train uproaching with uniform speed and attempt to drop a stone down to railway. He releases the stone when engine is 80ft. away from the point below his position and sees the stone hits in the ground just 3 ft. in front of the ...
Monday, January 9, 2017 by Athena

Math
the number of library books in a school increased by 20% after it bought new books in May , the number increased by another 20% after a bookstore donated 300 books in June - Find the number of books in the library before it bought new books in May
Sunday, January 8, 2017 by Muhammad Saleem

math
Pretend that you are now a senior in high school. You have been planning a vacation for mid-winter recess with your friends. Ten years ago, your parents put $200 in a savings account for you. It offered 6% simple interest rate to spend on food and souvenirs. Your mom offered ...
Sunday, January 8, 2017 by name

Math
A rope hangs from the ceiling. It reaches the floor exactly. It's 4 feet from the wall. When it's pulled to the wall, the end of the rope is 4 inches above the floor. How high is the ceiling?
Sunday, January 8, 2017 by Isabelle

Math
A rope hangs from the ceiling. It reaches the floor exactly. It is 4 feet from the wall. When it is pulled to the wall, the end of the rope is 4 inches above the floor. How high is the ceiling?
Sunday, January 8, 2017 by Clary

math
There are 3 boys for every 4 girls in school. If there are 200 girls, how many pupils are there in all? Help me please. This is my homework and I need it right now because we have a class for tomorrow.
Sunday, January 8, 2017 by Jasmine

Science(physics)
A boy while driving to his school covers at the average speed of 15km/h.On his return trip along the same route, covers at the average speed of 25km/h due to less traffic.What is the average speed for the whole trip
Sunday, January 8, 2017 by Henry

math
The no of library books in a school increased by 20% after it bought new books in May , the number increased by another 20% after a book store donated 300 books in June - Find the no of books in library before it bought new books in May
Saturday, January 7, 2017 by muhammad Saleem

Physics
A 55kg person pushes on the floor with 800 N of force for 0.25 seconds. How high do they jump off the ground? I know how to find acceleration but I can't find distance.
Saturday, January 7, 2017 by Bob

bio
The human egg cell above is magnified using a 10´ ocular lens and a 40´ high power objective lens. (a) Calculate the overall magnification. (b) If the field of view at high-power magnification is 400 mm, calculate the size of the field of view when ...
Saturday, January 7, 2017 by alexandra

American Government
Please check my answers 2. What does congressional power of the purse refer to? A. Congress taxes all individuals who earn money in the US B. Congress taxes all corporations who make a profit in the US C. Congress finances the federal government and all its programs D. ...
Friday, January 6, 2017 by M

Math
In a school of 350 student there are 40 more girls than boys , how many girls are there? And how many boys are there?
Thursday, January 5, 2017 by Ardenique

seven lakes junior high school Math
A figure is reflected from Quadrant II to Quadrant III. Is it a x-axis or a y-axis.
Thursday, January 5, 2017 by Ephraim Ehondor

History
Your answer 8.5 (C) 1. The Federalists and the Democratic-Republicans emerged as separate political parties partly as a result of disagreement over — * 5 points how the nation should develop economically whether to enforce the Monroe Doctrine how the nation ...
Thursday, January 5, 2017 by ...vmju788i dumb guy/./////

Grade 6, percentage
A survey conducted in a school showed that 65% of the pupils walked to school.the remaining number of pupils took buses to school the ratio of the number of pupils who took school buses to those who took public buses was 4:3.there were 360 more pupils who walked than those who...
Thursday, January 5, 2017 by Peachie

school md english school
if sec theta =13/12 then find the value of sin theta and cot theta
Thursday, January 5, 2017 by jamima akhter

Maths
I posted yesterday but feel I confused the issue with an incorrect calculation of an angle, I have just realised my mistake!. I also think I should come clean about my circumstances. I am a mature (very) student, in fact a retired commercial fisherman and am studying celestial...
Thursday, January 5, 2017 by Mike

LA
PLEASE check my answer this is my last test and i d not want to mess up PLEASE 1. Which sentence contains an opinion? (1 point) Thomas Jefferson supported American independence from Great Britain. He was a lawyer in his home state of Virginia. Jefferson authored the ...
Thursday, January 5, 2017 by Michael

Government
1. Read this excerpt from the textbook about state legislators. " The rate of turnover and legislative seats is fairly high although it tends to vary from state to state and time to time. In a given year some 20% of all lawmakers around the country are serving their first...
Wednesday, January 4, 2017 by M

language arts
anyone who read the watsons please help!!!!!!!!!!!!!! 1. Which of the following passages from the novel best describes the setting? A.It was one of those super-­duper­​;-cold Saturdays  B.One of those days that when you breathed out your ...
Wednesday, January 4, 2017 by nobody

Math
It takes Marty 1 1/4 hours to get ready for school. If 1/5 of that time is used to shower, what fraction of an hour does it take him to shower?
Tuesday, January 3, 2017 by Brian

Language Arts
________________________________________​ 1. What is the purpose of subheadings in informational text? A. To Highlight Ideas B. To identify Ideas <- C. To summarize info in a different way D. To Define Specialized Vocab ________________________________________​ ...
Tuesday, January 3, 2017 by Dejavu

Math
A ball is dropped from a height of 16 feet and always rebounds 0.25 of the distance fallen.How high did it rebound the 5th time?
Friday, December 30, 2016 by MarĂ­a

Math
Austin pays $1.50 per day for high speed internet after paying the equipment fee of $35.00. Identify the constant of proportionality that relates his internet charges (y) to the number of days (x) he has internet.
Friday, December 30, 2016 by Samuel

math, algebra
Members at a yoga school pay $7 per class plus a one-time $120 membership fee. Non-members pay $11 per class. How many classes would a member have to take to save money compared to taking classes as a non-member? I'm struggling with this problem a bit, and so are my ...
Wednesday, December 28, 2016 by Anna

SAT Math
All of the students who took chemistry at Groveton High School last year were juniors or seniors, as shown in the table below. If 80% of the students who took chemistry passed, then what fraction of the students in the combined junior and senior classes took chemistry? Class ...
Tuesday, December 27, 2016 by Kay

Engineering science
A man throw a ball upward with velocity of 30m/s.1.5 seconds he throw anothe wih the same velocity. Identify at what high will te ball pass one another?
Tuesday, December 27, 2016 by Shah

Pre-calc Math
The path of a satellite orbiting the earth causes the satellite to pass directly over two tracking stations A and B, which are 95 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0° and 84.2&...
Friday, December 23, 2016 by Anthony

Scholarships
I am a middle-schooler that is going to skip a year to go straight to high school. I have been looking for scholarships I can apply to now. Do you guys know any good sites?
Thursday, December 22, 2016 by Ethan

Help -Social Impact of Technology
Marge maintains that there is no direct correlation between population density and poverty. Mason argues that population density is normally associated with poverty and political instability. Who is correct? A. Marge and Mason are both incorrect. B. Marge and Mason are both ...
Wednesday, December 21, 2016 by Angela

Math
There are 132 people seated in the school auditorium for an assembly.  There are 6 rows in the auditorium, each with the same number of seats.  If the auditorium is completely filled, how many seats are there in each row?
Wednesday, December 21, 2016 by Andrew

Math
A wall in Marcus's bedroom is 8 1/3 feet high and 16 1/5 feet long. If he paints 1/3 of the wall blue, how many square feet will be blue?
Wednesday, December 21, 2016 by luis

history
Which of the following is a major example of Abraham Lincoln's policy of leniency toward the defeated South? A. Pres Lincoln's willingness to have federal government assume responsibility of the Confederate government's war debts. B. Pres Lincoln's choice to ...
Wednesday, December 21, 2016 by Hi

elementary school
what do I do when there is an equation like 15/4 divided by 9/1 how do I do that since 9 cant go into 15 evenly
Wednesday, December 21, 2016 by Sara

finance
the school you would like to attend costs 100,000, to help finance your education you need to choose whether or not to sell your 1000 shares of Apple stock , 1000EE Savings Bonds (with denominations and 4.25% coupon rate) that are five years from their 30-year maturity date of...
Tuesday, December 20, 2016 by d

Literature
It is also important that the verb always agrees with the subject, not the Predicate Noun. In this example, which word is the simple subject? Her award to the students was a virtual high five. Question 4 options: her award students high-five
Tuesday, December 20, 2016 by Jay

Math I NEEEDDDD HELP PLEASEEEEE
1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. (1 point) p = 2 p = 8 p = 12 p = 24 3. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Use the proportion to calculate how much sugar is needed to make 6 ...
Tuesday, December 20, 2016 by Jayisbeastin

math
Alka walks at the speed of 5 kmph but find that she is late to school by 7 minutes. However next day she walks at the speed of 6 kmph, and reaches school 5 minutes earlear than the usual time. Calculate the distance covered to reach the school.
Monday, December 19, 2016 by HEMENDU KUMAR

HELP ME PLZ MATH
Jake sold 28 tickets to the school fair and Jeanne sol 21 tickets. what is the ratio in simplest form of the number of tickets Jeanne sold to the number of tickets Jake sold A 3/4 B 4/3 C 28/21 D 21/28
Monday, December 19, 2016 by savepuppy

Science
This is part two of my science I answered the other one just need to be checked on this one and the other one. 10. _________ is the most plentiful fossil fuel in the United States A:Natural Gas B:Coal C:Oil D:Petroleum 11. What is the result of fossil fuels being used more ...
Monday, December 19, 2016 by Reeces

Physical science
If you use a 29m second-class lever to lift a 1000 N load exactly in the middle of the lever, and you lift the lever 1.5m high, how high do you lift the load?
Sunday, December 18, 2016 by Ainsley

Bayes' Theorem
I tried the problem and my answers are still coming up wrong?. You can compare to mine to see where you (or I) went wrong. I'm a little rusty on Virus infects one in every 200 people. A test used to detect the virus in a person is positive 90% of the time if the person has...
Sunday, December 18, 2016 by MILLY

Grammar
Re-write the paragraphs adding pronouns such as "he," "they," etc. Tim and Paul love to go to the pool. Tim and Paul's favorite thing to do is swim laps. Tim likes to do the backstroke. Tim collects all the posters of famous swimmers in his bedroom. Tim...
Sunday, December 18, 2016 by Ashley

Math
3. At the end of a dock, high tide of 14 m is recorded at 9:00 a.m. Low tide of 6 m is recorded at 3:00 p.m. A sinusoidal function can model the water depth versus time. a) Construct a model for the water depth using a cosine function, where time is measured in hours past high...
Sunday, December 18, 2016 by Peter

English
My answers are *** The word that are supposed to be in italics are in all capitals. 1.   Choose the answer that best matches the word in italics. When London speaks of Buck METAMORPHISING, he means that Buck lost his appetite. changed into a different ...
Saturday, December 17, 2016 by G

History homework question
For which of The following is the Hudson river school that's known? Poetry about the northeast *** Paintings of north east landscapes Series of novels about immigrant life New forms of music for every day people Which idea of Henry David Thoreau was adopted by 20 sentry ...
Friday, December 16, 2016 by Cowgirl

Social Studies
Which of the following is a major example of Abraham Lincoln's policy of leniency toward the defeated South? A. Pres Lincoln's willingness to have federal government assume responsibility of the Confederate government's war debts. B. Pres Lincoln's choice to ...
Friday, December 16, 2016 by Emma

math
a 19 foot ladder leans against the top of a house. if the house is 15ft high how far is the foot of the ladder from the base of the building.
Friday, December 16, 2016 by grazzy

Check Work
A poll was taken of 10,439 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results are shown below. Education Level Male Female Total High School or Less 2023 3264 5287 Bachelor's ...
Friday, December 16, 2016 by Anonymous

Science
1.Which of these is an example of a biomass fuel? A:Oil B:Natural Gas C:Wood D:Coal 2.The intense heat from Earth's interior that warms the magma beneath the Earth's surface is called __________ energy? A:Hydroelectric B:Geothermal C:Nuclear D:Solar 3.Selective cutting...
Friday, December 16, 2016 by Reeces

uchs
Emma's school plans to build a rectangular basketball court with an area of 150+175t square feet. The length of the basketball court is 25 feet as shown in the following diagram.
Thursday, December 15, 2016 by janet

Homework
A poll was taken of 10,439 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results are shown below. Education Level Male Female Total High School or Less 2023 3264 5287 Bachelor's ...
Thursday, December 15, 2016 by Devin

science
i just some science questions but there not for school. 1. five volcanic eruptions and what are the locations of these eruptions. Did they occur in the middle of a plate or near a plate boundary? What were the effects of these eruptions on the surrounding environment?
Thursday, December 15, 2016 by please help

science
i just some science questions but there not for school. 1. five volcanic eruptions and what are the locations of these eruptions. Did they occur in the middle of a plate or near a plate boundary? What were the effects of these eruptions on the surrounding environment?
Thursday, December 15, 2016 by avery

Health
1. In a soccer game, the coach of the home team realizes her players are not as highly skilled as the other team and she wishes to avoid a high scoring game which she believes her team will not win. How can she apply coaching tactics to give her team the best chance of winning...
Thursday, December 15, 2016 by Carly

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