Sunday
March 29, 2015

Homework Help: High School

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Sociology
One feature of a less developed nation is high infant mortality rates high levels of modernization high levels of industrialization high per capita income not sure
Wednesday, January 21, 2015 at 7:09pm

Science
7. Which of the following correctly describes a gamma ray? (1 point) A.long wavelength and low frequency B.long wavelength and high frequency C.short wavelength and low frequency D.short wavelength and high frequency***
Wednesday, January 21, 2015 at 4:02pm

Science
5. The pitch of the siren of a moving fire truck changes from high to low as the fire truck passes by. What property of a sound wave changes as the fire truck goes by? (1 point) A.amplitude B.density C.temperature D. frequency***
Wednesday, January 21, 2015 at 4:00pm

Science
1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A.frequency and wavelength B.wavelength and wave speed C.amplitude and wavelength*** D.amplitude and frequency
Wednesday, January 21, 2015 at 3:59pm

statistics
A) Identify the question, population, and sample. b) Discuss any potential bias or lurking variables that may affect the results.? c) Write about the extent to which we can generalize the findings to all people who use cell phones. Stewart Fist reported the results of an ...
Wednesday, January 21, 2015 at 2:12pm

physical
A worker on bulding that is 14m high lets a brick fall to the ground calculate the velocity of the brick when ow strikes the ground?
Wednesday, January 21, 2015 at 1:49pm

Statistics
A) Identify the question, population, and sample. b) Discuss any potential bias or lurking variables that may affect the results.? c) Write about the extent to which we can generalize the findings to all people who use cell phones. Stewart Fist reported the results of an ...
Wednesday, January 21, 2015 at 11:18am

statistics
A) Identify the question, population, and sample. b) Discuss any potential bias or lurking variables that may affect the results.? c) Write about the extent to which we can generalize the findings to all people who use cell phones. Stewart Fist reported the results of an ...
Wednesday, January 21, 2015 at 8:15am

7th grade LA
Can you check the following? Punctuate the following sentences with appropriate apostrophes. 1. Whos the partys candidate for vice president this year? Ans: Who's, party's 2. Our neighbors car is an old Chrylser, and its about to fall apart. Ans: neighbor's, it'...
Wednesday, January 21, 2015 at 7:18am

physics
You set your stationary bike on a high 80 N friction like resistive force and cycle for 30 min at speed of 8 m/s. Your body is 10% efficient at converting chemical energy in your body into mechanical work. What is your internal chemical energy change? How long must you bike to...
Tuesday, January 20, 2015 at 11:28pm

physics
The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration. The acceleration is directed toward the center of the ...
Tuesday, January 20, 2015 at 10:49pm

Pre-Calc
A page that is x inches wide and y inches high contains 30 square inches of print. The margins at the top and bottom are 2 inches and the margins on the side are 2 inch wide. A. show that the total area A on the page is A=2x(2x+7)/(x-4) B. determine the domain of the function ...
Tuesday, January 20, 2015 at 8:35pm

Math
Piece of paper is 0.0075 inch thick. How many sheets of paper will be in a stack that is 2.25 inches high?
Tuesday, January 20, 2015 at 7:16pm

math
Gino wants to travel from home to school. Find how many routes are possible if he does not travel in a northerly direction.
Tuesday, January 20, 2015 at 4:13pm

Civics
Jane and Leah want to start a glee club at their junior high. They have outlined a list of songs that they could sing and recruited possible members. Now they what to make their group a formal school club . What should they do next to start the glee club? Get voted onto the ...
Tuesday, January 20, 2015 at 3:46pm

School
Psychologists are interested in people's behavior and their mental processes. Psychologists believe that:
Monday, January 19, 2015 at 8:14pm

english - Compare and Contrast
I would appreciate it if someone would be willing to look over my essay real quick. I just would like to know if I made any critical errors. Please do not correct them just point them out so I can fix it. Thank you very much. General instructions from my teacher: If you quote ...
Monday, January 19, 2015 at 5:17pm

Civics
Anna is a high school student. The police came to her school and removed her purse from her locker. they told her that they suspected she was hiding illegal drugs in it. They found no drugs in it and returned the purse to her. what amendment gives the police to do this and ...
Monday, January 19, 2015 at 5:12pm

math
A survey of students determined that 14 drove to school, 28 took the bus, 8 walked, 35 shared a ride and 15 had another means of transportation to school. On a pie chart, the slice representing students who took the bus would be approximately _______ degrees.
Monday, January 19, 2015 at 3:36pm

Physics
A stone is dropped from the top of a cliff. It hits the ground below after 3.12 s. How high is the cliff? (in m)
Monday, January 19, 2015 at 3:35pm

Business
Is it better if canadian dollar has high value or low value for canada. I think high value is better. But I'm not sure
Sunday, January 18, 2015 at 7:43pm

Civics
Teachers, doctors, and lawyers need professional licenses in order to perform their jobs legally. Who has the authority to issue these licenses? School boards Congress The state government*** City police
Sunday, January 18, 2015 at 6:31pm

Physics
A cannon is fired at 30 degrees above the horizontal with a velocity of 200 m/s from the edge of a 125 m high cliff. Calculate where the cannonball lands on the level plain below.
Sunday, January 18, 2015 at 6:15pm

Civics
In the case The Senate Of Tennessee V. John Thomas Scopes, high school biology teacher John Scopes was accused of teaching content that violated a Tennessee law that stopped public school teachers from teaching evolution. Scopes voted this law , but felt his right to free ...
Sunday, January 18, 2015 at 5:58pm

English
How would I answer this? I am so sorry, but I just can't afford to have you finish the job. My largest wholesaler just went out of business and I don't know what to do. That was my biggest client, so I am not sure if I can afford to expand. I wish you had never talked ...
Sunday, January 18, 2015 at 3:42pm

Math
In his first three years of coaching basketball at North High School, Coach Lucas' team won 8 games the first year, 17 games the second year, and 6 games the third year. How many games does the team need to win in the fourth year so the coach's average will be 10 wins ...
Sunday, January 18, 2015 at 10:59am

Chemistry
Can someone please tell me what to expect from Beginner High School chemistry? Is it mostly applying mathematics like physics? Or basically memorizing like biology? Thank you!
Saturday, January 17, 2015 at 9:12pm

Math/physics
This is my last problem. Please help! A motorcycle rider starts out on top of a ramp 10 m high and then rides down and jumps the motorcycle when he comes to the end of the ramp (like evil knivel). The rider is at the peak of his jump at 5 m. How fast is the motorcycle going ...
Friday, January 16, 2015 at 9:16am

How conceps develops
As a math teacher, Mrs. Wright has high expectations for all of her students. However, she also provides a lot of support for all of her students. Mrs. Wright is employing which of the following Principles of School Mathematics? A. Technology B. Learning C. Equity D. ...
Thursday, January 15, 2015 at 6:13pm

solid mensuration
a high way curve is to be laid out on a circle. what radius should be used if a trailer truck is to change direction by 28 degrees in a distance of 112 meters?
Thursday, January 15, 2015 at 5:12am

solid mensuration
a high way curve is to be laid out on a circle. what radius should be used if a trailer truck is to change direction by 28 degrees in a distance of 112 meters?
Thursday, January 15, 2015 at 5:09am

School
I have a question.. So my teacher just talks the whole class about information and the thing is.. I'll be listening but then after awhile I'll accidentally wander off and just miss information I needed to know. Are there good tips for me to just stay focused the whole ...
Wednesday, January 14, 2015 at 9:42pm

mat lit
with a partner, use a stopwatch or ordinary watch to time how long it takes you to run a specific distance, for example 100 m or around the school. If possible, run 100 m and then compare your time to the world record? What is the difference between your time and your partner...
Wednesday, January 14, 2015 at 8:28am

pre-calculus
The passenger capsule at the very top is 135 meters above the ground. The diameter is 120 meters? How high is the center of the ferris wheel?
Tuesday, January 13, 2015 at 9:23pm

physics
he rear window in a car is approximately a rectangle, 1.28 m wide and 0.160 m high. The inside rear-view mirror is 0.590 m from the driver's eyes, and 1.59 m from the rear window. What is the minimum height of the rear-view mirror if the driver is to be able to see the ...
Tuesday, January 13, 2015 at 8:39pm

math
Jill has a total of 12 1/2 hours of football practice after school five days a week. a. How many hours of practice will he have for 15 school days? I think the answer is 37 1/2 hours. b. How many hours of practice will he have for 22 school days? I think that the answer is 55 ...
Tuesday, January 13, 2015 at 6:59pm

trigonometry
From the top of the waterfalls, the angles of depression of the foot and the top of the tree are 39° and 24° , respectively. If the tree is 3 m from the foot of the waterfalls, how high is the waterfalls??
Tuesday, January 13, 2015 at 8:03am

math
A cuboid measures 6cm long, 5cm wide and 4cm high. What is the total length of the edges in centimeters?
Monday, January 12, 2015 at 10:06pm

samoana high school
phoebe physics pulls a wagon with a force of 80 N. a) what is the net force of friction between the wagon and the ground is 12 N. b) if she uses 80 N to pull the wagon through a med puddle, and the net force on the wagon is 38 N, what friction force asts on the wagon?
Monday, January 12, 2015 at 9:56pm

math
At a school prize giving day the number of men was half of women. The number of children was three times that of women. The number of women who attended was 3x. What was the sum of the men and children?
Monday, January 12, 2015 at 9:05pm

Do newspapers, magazines, television, radio, movie
Im not sure what directing to go for this essay, i have changed it 3 times. can someone tell me if this would be correct? The answer is media doesn't decide what is important, The creators put out there what they think will catch peoples eyes, boring doesn't sell. Most...
Monday, January 12, 2015 at 8:55pm

math
A school band is having a fundraiser. Band members will sell coupon books for $10 each. The band earns $12.50 for every 5 coupon books that are sold. a. After the first week, the band members had sold 105 coupon books. How much money did the band members earn from the 105 ...
Monday, January 12, 2015 at 7:56pm

Math
A school band is having a fundraiser. Band members will sell coupon books for $10 each. The band earns $12.50 for every 5 coupon books that are sold. a. After the first week, the band members had sold 105 coupon books. How much money did the band members earn from the 105 ...
Monday, January 12, 2015 at 7:21pm

physics
While you are in detention after school, your teacher tells you to slide a large, 89.7 kilogram box across the floor. The coefficient of static friction (ìstatic) between the box and the floor is 0.50. Compute the force parallel to the ground (F parallel)required to ...
Monday, January 12, 2015 at 6:20pm

Math
Brenda's School is selling tickets to a spring musical. On the first day of ticket sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in $67 on the second day by selling 8 senior citizen tickets and 5 child tickets Set up...
Monday, January 12, 2015 at 5:33pm

AP Physics
A dart gun vertically launches a 25g dart 50 cm high. Determine the minimum energy stored in the spring when the dart gun was loaded. What would the qualitative bar graph and energy flow diagrams look like?
Monday, January 12, 2015 at 4:02pm

trigo
two points A and B are 562 meter apart on a level stretch of road leading to a hill . the angle of elevation from A is 26degree 30minutes, and angle of elevation from B is 36degee 40minutes. how high is the hill ?
Monday, January 12, 2015 at 8:58am

physics
1. While strolling along on unknown planet, an astronaut decides to throw a hammer and a feather upwards at 5.0 m/s. They both return to the point of release in 3.0 s. What is the acceleration due to gravity on Planet X. 2. Marii jumps straight upward at 15.0 m/s. How high is ...
Monday, January 12, 2015 at 5:21am

Chemistry
An EDTA solution is standardised against high-purity CaCO3 by dissolving 0.4835 g CaCO3 in HCl, adjusting the pH to 10 with ammoniacal buffer and titrated with an EDTA solution. If 35.18ml were required for the titration, what was the molarity of the EDTA solution? Step 1. ...
Sunday, January 11, 2015 at 10:46pm

Biology
I need to plan a lesson on 'Human Migration' to teach the class. This topic is from B3 GCSE. These are the learning points: ALL: Demonstrate an understanding of the impact of climate change of human behaviour, including: a- The effect of the Ice Age b- Human migration ...
Sunday, January 11, 2015 at 5:04pm

ratio
Jake sold 36 tickets to the school fair, and Jeanne sold 15 tickets. What is the ratio, in simplest form, of the number of tickets Jeanne sold to the number of tickets Jake sold ?
Saturday, January 10, 2015 at 5:38pm

probability
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...
Saturday, January 10, 2015 at 5:31pm

constitution
Which of the following is NOT a constraint on federal judicial power? A. Lifetime appointment B. Presidential nomination C. Impeachment for high crimes and misdemeanors D. Congressional control of judicial jurisdiction is it A
Saturday, January 10, 2015 at 1:17pm

statistic and probability
There are two independent multiple-choice quizzes where quiz 1 has eight questions and quiz 2 has 15 questions. Each question in the first quiz has four choices and each question in the second quiz has five choices. Suppose a student answers the questions in the quizzes by ...
Saturday, January 10, 2015 at 10:14am

Social Studies
Can you give me a few comparisons and contractions of the below paragraphs? You don't need to make a paragraph, just list a couple of comparisons and contractions and I will write it into a paragraph and also add extra words on my own. The next time you are washing your ...
Saturday, January 10, 2015 at 6:02am

U.S History
1. Which of these was a precedent that George Washington set? (5 points) a)constitutional amendment process b)formal presidential dinners c)singing of the national anthem d)use of a presidential cabinet 2. "The time for the new election of a citizen to be president of the...
Friday, January 9, 2015 at 5:56pm

math
Blake sold 52 tickets to the school play, and Jane sold 8 tickets. What is the ratio , in simplest form, of the number of tickets Jane sold to the number of tickets Blake sold? A)4/27 B)2/13 C)13/2 D)52/8 My answer is A. is that right? thanks.
Friday, January 9, 2015 at 4:15pm

Algebra
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...
Friday, January 9, 2015 at 11:36am

ap chemistry
what would have happened to the calculated molar mass if some benzoic acid was spilled before adding it to the lauric acid? also, what would have happened to the calculated molar mass if the thermometer used actually read 1.4C too high I NEED HELP PLEASE THANKS
Thursday, January 8, 2015 at 11:51pm

Algebra
For each 100 8th grade girls in a certain middle school, 85 play soccer, 70 have a cell phone, 75 have a tablet computer, and 80 play a musical instrument. What is the least possible number of these 100 girls who play soccer, have a cell phone, own a tablet computer, and play ...
Thursday, January 8, 2015 at 7:59pm

General Chemistry Project Ideas?
Hi I'm a high school science teacher and I teach General Chemistry when we learn how chemistry relates to our everyday lives. Right now were learning about some common compounds. I need projects ideas regarding some common compounds relating to their everyday lives.
Thursday, January 8, 2015 at 4:09pm

physics
A person at the roof of a high building has projected a ball at velocity 50m/s given that the acceleration due to gravity = 10 the displacement and velocity when : The ball has been protected upwards with angle 30 to the horizontal. And when the ball been projected ...
Thursday, January 8, 2015 at 7:24am

Math 10 aw
george is in a hot air balloon that is 125 metres high. the angle of elevation from a house below, to the balloon is 18 degrees. how far is george from the house
Wednesday, January 7, 2015 at 10:10pm

mah
holly spend 7 and 3/5 hours in school each day. her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching rooms between classes.the rest of her day is spent in 6 classes that are all same length. how long is each class?
Wednesday, January 7, 2015 at 6:26pm

mah
holly spend 7 and 3/5 hours in school each day. her lunch period is 1/2 hour long, and she spends a total of 7/10 hour switching rooms between classes.the rest of her day is spent in 6 classes that are all same length. how long is each class?
Wednesday, January 7, 2015 at 6:07pm

betty queen international school
using kinetic theory,why a baloon kept warm in water?
Wednesday, January 7, 2015 at 12:16pm

math
You plan to construct a brick wall measuring 14.5 ft. in length, 5.5 ft. high, and 0.5 ft. in width. If a brick measures 6 in. x 4 in. x 2 in., how many bricks will you need? (Remember to round up.)
Tuesday, January 6, 2015 at 10:16pm

physics
A rifle bullet is fired at an angle of 28.3° below the horizontal with an initial velocity of 177 m/s from the top of a cliff 52.2 m high. How far from the base of the cliff does it strike the level ground below?
Tuesday, January 6, 2015 at 9:21pm

business communication
Starting in September, your company plans to increase the monthly fees it charges to its clients. You are drafting a letter to mail to your clients to inform them of this increase, and hopefully to persuade them to keep their business with you. In analyzing your audience you ...
Tuesday, January 6, 2015 at 9:13pm

business communication
You have completed a research project and have come up with some interesting and persuasive content. Although your ideas are spot-on, the format of your final report is difficult to read and a little confusing. This __________. A. is problematic, as it will undermine your ...
Tuesday, January 6, 2015 at 8:58pm

math
there was 112 seats in the school auditorium.there are 7 rows of seats in each row. there are 70 people seated, filling up full rows of seats. how many seats are empty?
Tuesday, January 6, 2015 at 8:50pm

Physics
a rectangular box of negligible mass measures 5m long,1m wide and 0.5m high. How many kilograms of mass can be loaded into the box before it will sink in a freshwater lake?
Tuesday, January 6, 2015 at 7:46pm

Math
A school is printing t-shirts for students. They have 2 different prices. Company A says they will print 16 t-shirts for $40. Company B will print 84 t-shirts for $140. Which is a better price? Please prove your answer.
Tuesday, January 6, 2015 at 5:24pm

science
3 examples of objects of high kinetic and 3 examples of low kinetic
Tuesday, January 6, 2015 at 4:55pm

Math
The cubes show how many students rode the bus to school today How many students rode the bus to school? A 14 B 15 C 16 D 17 Three rows of five blocks and 1 row with only two blocks
Tuesday, January 6, 2015 at 4:49pm

Math
The cubes show how many students rode the bus to school today How many students rode the bus to school
Tuesday, January 6, 2015 at 4:33pm

Physics
A high fountain of water is located at the center of a circular pool as shown in the figure below. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 18.0 m. Next, the student stands at the edge of the pool and uses a ...
Monday, January 5, 2015 at 11:44pm

math
They are five apple slices in each school lunch. If 35 students buy a school lunch, hoe many apple slices are there ? Write an equation for this problem.
Monday, January 5, 2015 at 11:39pm

Math
the current temperature is - 7 degrees Celsius. The high temperature yesterday with as many degrees above 0 degrees Celsius as the current temperature is below zero degrees Celsius. Which expression can be used to find the number of degrees between the current temperature and ...
Monday, January 5, 2015 at 12:15pm

algebra
the area of a rectangle with base b and height h is bh. A rectangle sports goal is 9 ft wide and 8 ft high. Find the area of the opening
Monday, January 5, 2015 at 7:48am

History
1. How is the Seven Years War related to the French and indian war? A- The French and Indian War directly caused the Seven Year's War B-; The French and Indian War was part of the Seven Year's War C- The Seven Years' War was more of a land war than the French and ...
Sunday, January 4, 2015 at 7:39pm

Pre-Calc
A ferris wheel is 63 feet tall when it reaches its highest point at 8 seconds. At the bottom of the ride, you are 3 feet off the ground. So how high off the ground will you be 5 seconds after the ride starts? Write a function f so that f(t) will equal how high in feet you will...
Sunday, January 4, 2015 at 7:15pm

math-algebra HELP!!!!
1) A gym charges a one-time sign-up fee and then a regular monthly fee. The cost of a membership as a function of the number of months as a member is shown for 2010 and 2011 on the graph. a. What characteristics of the graph represent the sign-up fee and the monthly fee? What ...
Sunday, January 4, 2015 at 1:24pm

Math
Kevin had 3/4 yd of string. He used 1/3 of it on a school project. How much string did he use? A.5/12 yd B.1/3 yd C.7/12 yd D.1/4 yd (numbers are all fractions)
Sunday, January 4, 2015 at 11:59am

chemistry
So I did a titration lab at school with NaOH and HCl. i have to find: - volume used, NaOH - Moles of NaOH - Moles of HCl -Volume used unknown HCl - Molarity of HCl solution My concentration of NaOH stock solution was 0.100 mol/lL Final buret reading, NaOH: 14.20 ml Initial ...
Sunday, January 4, 2015 at 10:42am

english
What does don't let me hit the ground means? it's part of the verse in the song i chose to present in school please just give me an idea on what those words mean
Sunday, January 4, 2015 at 6:15am

physics
An object is thrown up from the top of building 50 m high. it rises to a maximum height of 20 m above the roof.? a) when does it land on the ground b) at what velocity does it land? c) what is its velocity 15m below the roof?
Saturday, January 3, 2015 at 4:43am

Physics
A place kicker must kick a football from a point 33.0 m (about 36 yd) from the 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 20.0 m/s at an angle of 48◦ to the horizontal. To...
Friday, January 2, 2015 at 3:51pm

physics
A ball is thrown horizontally from the top of a building 43.4 m high. The ball strikes the ground at a point 57.3 m from the base of the building. The acceleration of gravity is 9.8 m/s^2. a. Find the time the ball is in motion. Answer in units of s. b. Find the initial ...
Friday, January 2, 2015 at 2:09pm

Check Answers?
Question 1 of 5 The yellow fog that rubs its back upon the window-panes, The yellow smoke that rubs its muzzle on the window-panes, Licked its tongue into the corners of the evening, Lingered upon the pools that stand in drains, Let fall upon its back the soot that falls from...
Friday, January 2, 2015 at 1:49pm

Statistic
There are two independent multiple-choice quizzes where quiz 1 has eight questions and quiz 2 has 15 questions. Each question in the first quiz has four choices and each question in the second quiz has five choices. Suppose a student answers the questions in the quizzes by ...
Friday, January 2, 2015 at 8:34am

mrr high school
Find the power of human heart ,which beats72 times per minute , if it does 1.5J of work every beat.
Friday, January 2, 2015 at 6:46am

History
After you have read the following, write a short essay comparing and contrasting life in the Middle Ages to today. Is there anything that was better about life then? The next time you are washing your hands and complain because the water temperature isn't just how you like...
Thursday, January 1, 2015 at 6:40am

Drug Bioavilability (Pharm.)
Assess with explanation the bioavailability by oral route of the following drugs with the specified properties. Also suggest ways to achieve the therapeutic concentration if the bioavailability is not favorable. (Note: change of route of administration should be considered as ...
Wednesday, December 31, 2014 at 9:03pm

physics
to view full image of an object 160 cm high, the minimum size of the plane mirror required is?
Wednesday, December 31, 2014 at 7:34pm

Math
A building was 210 ft high and a guy was 8 ft from the top and let down a wire that is .44 radians (degrees) to the ground... How long is the wire?
Tuesday, December 30, 2014 at 4:35pm

physics
a rock is dropped from a high brige.at the end of 3 seconds of free fall the speed of the rock is:[in centimeters per second,g=10 m/second square]
Tuesday, December 30, 2014 at 11:01am

General Chemistry!!!!
Hi I'm a high school teacher. I teach General Chemistry. I'm looking for a textbook for my student. In this course we learn the basics of chemistry and how it relates to our everyday lives/world.
Monday, December 29, 2014 at 12:20pm

math
overnight the low temperature dropped to -6 degrees Fahrenheit. If the high temperature during the day was 11 degrees Fahrenheit, what was the difference between the high and low temperatures? Please help, thank you so much!
Friday, December 26, 2014 at 4:05pm

university bahrain
Q4. Many organizations find themselves in the apparently contradictory position of having high levels of financial investment in inventory, but at the same time frequently running out of stock of important components and materials.
Thursday, December 25, 2014 at 2:09am

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