Saturday
July 30, 2016

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Math
Zeke earns a living selling computers. He is paid 12/h plus a 8% commission on sales. What dollar amount of computer sales must Zeke make to earn $1000 in a 40-h work week.
Thursday, March 24, 2016 by Lyra

science
The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field will equal 46 million years, and each 10-yard section will equal 460 million years. Use this information...
Thursday, March 24, 2016 by FluttershyK22

science
Explain why earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this period not considered a part of Earth's geological history?
Thursday, March 24, 2016 by FluttershyK22

Physical Science
What is the density of a rectangular block that has a mass of 500g and a volume of 50cm3? what i came up with was 1000. i feel like im wrong though. can anyone please help me.
Thursday, March 24, 2016 by Please Help

Science
Alisha use wire to connect a battery,a lightbulb,and a switch,but the bulb does not light up even thought the switch is in the closed positio.which might explain the problem?
Thursday, March 24, 2016 by Mitchell brown

science
explain the locations ozone can be found, how ozone is helpful, how is it harmful,what causes the deposition of the ozone layer
Thursday, March 24, 2016 by diamond

SCIENCE!!
1.How do scientists classify small objects in the solar system? A)By size B)By shape C)by size, shape, and temperature D)by size, shape, and composition** (**=ANSWER!!)
Thursday, March 24, 2016 by JacqueesWifee

Art
What did the Vogel's artworks communicate about their historical interests? They collected works that were culturally popular. They collected works that depicted revolutions. They collected works that depicted the history of cities. ( my choice ) They collected works that ...
Thursday, March 24, 2016 by Maria

science
concept map of flower pollen stamens ovaries pistils stigmas filament anther ovules petals and sepals
Thursday, March 24, 2016 by help

General science
Which of the following is not a natural result or response to overpopulation? A. Starvation B. Predation C. Extinction D. Migration C
Wednesday, March 23, 2016 by Luigi

English
At school, he learns 10 subjects such as math, science, social studies, computers, ethics, etc. He is in math class now. He has a cell phone. He is sitting at the back. One of his friends calls him and asked "Which class are you in?" What is the answer to the ...
Wednesday, March 23, 2016 by rfvv

Science
What if a student gets a 65 on 1 test and 100% on 4 tests? What will there grade be?
Wednesday, March 23, 2016 by Anonymous

Science
True or False? Energy is measured in Newtons?
Wednesday, March 23, 2016 by Lola

Science
Which of the following can be accurately said about climax communities? A. Climax communities are always stable. (B. Restoration of the original climax community is always achieved at the same rate.) C. Climax communities are always uniform. D. Restoration of the original ...
Wednesday, March 23, 2016 by Jordan

Nature Science
Which of the following can be accurately said about climax communities? A. Climax communities are always stable. (B. Restoration of the original climax community is always achieved at the same rate.) C. Climax communities are always uniform. D. Restoration of the original ...
Wednesday, March 23, 2016 by Jocelynn

Science
This is not questions its the answers hope it helps took a long time to type. A basketball momentarily changes shape as it bounces off the floor. This is due too balanced forces acting on the ball TRUE* FALSE* A ball slowing down as it rolls across a carpet is a example of ...
Wednesday, March 23, 2016 by Peanut buddy

Science
Hi!One Question! Which of the following explains why your body may contain a carbon atom that was present in George Washington's body from 1776?
Wednesday, March 23, 2016 by No one speacial

science
a person roller skates down a street heading east which of the following would be true abot friction in this scenario? ----------------------------------- 1.A. friction does not affect the skates in this scenario 2.B. friction pulls the skates wheels eastward 3.C. friction ...
Wednesday, March 23, 2016 by darkwolfy

Mathametical Literacy,Agricultural Science,History,Geography,English,Life Orientation and Tshivenda
Which job can I get by these subjects?
Wednesday, March 23, 2016 by Da gama Lebogang

English
1. My hobby is internet games and paper folding. 2. My hobbies are internet games and paper folding. ----------- Which one is grammatical? 3. My hobby is exchanging text messages on Kakao Talk on my smart phone. 4. My hobby is talking with my friends on the phone. 5. My hobby ...
Wednesday, March 23, 2016 by rfvv

Science
'Cl(OCl)Cl' What is the name of it?
Wednesday, March 23, 2016 by Md.Azhar uddin

science help pls pls
The diagram below shows the movement of energy in the water cycle. Diagram showing the movement of energy in the water cycle. There are three boxes and six arrows that appear in the following order: box labeled 'Atmosphere,' one arrow pointing to a box labeled '...
Tuesday, March 22, 2016 by Oscar

science help PLS
Plants take up carbon dioxide from the air and nutrients from the soil. This is an example of interactions between the geosphere, cryosphere, and atmosphere biosphere, atmosphere, and geosphere atmosphere, hydrosphere, and geosphere cryosphere, atmosphere, and hydrosphere
Tuesday, March 22, 2016 by Oscar

science help
Two factors which cause global climate change are listed below. Factor 1: Volcanic eruptions. Factor 2: Changes in the amount of Sun’s heat received by the Earth’s atmosphere and surface. Which of these statements is correct about the two factors which cause global ...
Tuesday, March 22, 2016 by Oscar

science help pls pls
Look at the position of Location 1, Location 2, and Location 3 in this picture. Simple diagram of a lake represented by a wavy circle. The circle is labeled 'Lake,' and there are three points outside of the lake: 'Location 1' is to the northeast of the lake, &#...
Tuesday, March 22, 2016 by Oscar

science
what is the name of the gas which forms dry ice ...........u can also send the lab. preparation of it
Tuesday, March 22, 2016 by ur father

science
3 identical point charges each one micro coulomb placed at vertices of an equilateral triangle 10cm apart calculate the force on each charge
Tuesday, March 22, 2016 by emmanuel

science
If mass M explore into three pieces two of equal to M/4 move perpendicular to each other with 3m/s 4m/s determined velocity of third
Tuesday, March 22, 2016 by xasshi

computer programing
I am little lost how to do this here any help to show me? Create a program that uses a menu with options to enter information about monsters (monster type, special ability, weakness), print the monster information, or quit the program. Use data files and FILE pointers to store...
Tuesday, March 22, 2016 by Poohboi23

Political science
How did the Stamp Act, Boston Massacre and Boston Tea Party connect with the idea of representation? Use Zinn "Voices of a people's history of the united states" and the Federalist Papers to support your answer. Also, be sure to discuss the ideas of pure ...
Monday, March 21, 2016 by TayB

science
You observed light passing through lenses and through a set of prisms. Why does refraction occur?
Monday, March 21, 2016 by help pls

science help please
1. Which of the following best describes the movement of an object at rest if no outside forces act on it? (1 point) It will move due to inertia. Gravity will eventually cause it to move. It will stay at rest due to inertia. It will stay at rest due to gravity. 2. A 2,500 kg ...
Monday, March 21, 2016 by PlsHelp

SCIENCE
History of how this ginger has been used as medicine
Monday, March 21, 2016 by coolguy321

Science
What's the difference between the types of light detected by radio, refracting, and reflecting telescopes?
Monday, March 21, 2016 by Anonymous

SCIENCE
History of how this ginger has been used as medicine
Monday, March 21, 2016 by coolguy123

science help ASAP
can someone Explain the process of succession plz
Monday, March 21, 2016 by sunshine

computer programing
What are the differences between fields, records and files? Need help trying to figure this out as what I can think of is just little as this So - a field is a SUBSET of a record; a record in turn is a SUBSET of a file, and a file is a subset of a database but not sure if this...
Monday, March 21, 2016 by Poohboi23

Maths lit,life science,agriculture,geograph
Plzzz help me which carree can i choose?
Monday, March 21, 2016 by Pat

Science
Belonging to one communtity
Sunday, March 20, 2016 by Jensy

Science AP Chemistry
It is necessary to add iodide ions to precipitate the lead(II) ions from 250 mL of 0.076 M Pb(NO3)2(aq). What minimum iodide ion concentration is required for the onset of PbI2 precipitation? The solubility product of PbI2 is 1.4 × 10−8 . Answer in units of mol/L. ...
Sunday, March 20, 2016 by Jacaria

science
How much sodium bromide do I need to make 100 ml of 0.2m solution?
Sunday, March 20, 2016 by margaret

math lit,life science,agriculture,geogrphy,L.O,
Which good career path is good for the following subject
Sunday, March 20, 2016 by Thulani

Science
a bullet with mass 0.281 kg is fired from a rifle. It stick into a block of wood with a mass of 17.8 that was at rest. The block/bullet combo moves at 3 m/s. What was the initial velocity of the bullet?
Sunday, March 20, 2016 by lara

politcal science
As of January 2015, how many members of the House of Representatives and the Senate are NOT members of the Democratic or Republican party? 0 123 100 2
Sunday, March 20, 2016 by Gary

politcal science
Which of the following is NOT one of the Republican party factions? Fiscal Conservatives Libertarians Organized labor Neoconservatives
Sunday, March 20, 2016 by Gary

politcal science
Who is the only third-party candidate to win more than 25% of the popular vote? Question 7 options: Millard Fillmore Theodore Roosevelt George Wallace Ralph Nader
Sunday, March 20, 2016 by Gary

politcal science
In Washington's Farewell Address, what type of policy did he advocate when dealing with foreign countries? Question 6 options: Complete isolation for all foreign countries Extensive treaties with other countries Expansion of US power over foreign countries Neutrality in ...
Sunday, March 20, 2016 by Gary

science help PLS
Which of the following types of stars started out on the main sequence with the largest initial mass? In Graph A, the curve peaks at 800 nm, in the red section of the visible light spectrum. In Graph B, the curve peaks at 550 nm, in the green section of the visible light ...
Sunday, March 20, 2016 by Oscar

History ,life science,Geography,Lo,Maths lite,English and Setswana
Careers in history
Saturday, March 19, 2016 by Palesa

science
interpret the number of moles of oxygen atoms in po3- 4
Saturday, March 19, 2016 by aman

7th Grade Science
Hi, I really need help with this. I'm supposed to find information about biodiversity and fishing or housing and answer these two questions: "What challenges does [your topic] pose to biodiversity? What do you think should be done and why?" The websites my school...
Friday, March 18, 2016 by Music Lover 14

Math
I need help with this burrowing money questions. # 1: Zara received a credit card statement that has a new balance of $987.65 & a minimum payment of $43.21. The annual percent rate is 15% compounded daily and charged on the unpaid balance. Zara makes only the minimum payment. ...
Friday, March 18, 2016 by Derek

Science
Two teams are pulling on a rope. Team 1 pulls with a force of 124 newtons, while team 2 pulls with a force of 110 Newton in the opposite direction which of the following correctly describes the motion that will result A. Team 1 will move, team 2 will not B. Team 2 will move, ...
Friday, March 18, 2016 by Tonya

science HELP ASAP
water condenses onto the grass in the early morning when the air is clear because? a. the air near the ground in warmer than the ground b. the air cools to the dew point c.the relative humitidy decreases D. the presence of carbon dioxide causes water to form
Friday, March 18, 2016 by connections

Science
Please Check! 1. How does nanotechnology help engineers make products for the future? a. By changing a materials atomic structure, it can be made from elements that are easier to obtain.*** b. By changing a material's atomic structure, its physical properties can also be ...
Friday, March 18, 2016 by SpitFireRedHead

Science
Which of the following is a way that some animals' bodies adapt to living in extremely cold climates? A.clusters B.hibernation C.burrows** D.estivation Help Please
Friday, March 18, 2016 by no name

Science Please Check
Please Check 1. How does nanotechnology help engineers make products for the future? a. By changing a materials atomic structure, it can be made from elements that are easier to obtain.*** b. By changing a material's atomic structure, its physical properties can also be ...
Friday, March 18, 2016 by Blair

Science
is there a chart available that show the vapor pressure of Isopropyl alcohol and water solutions at 68 degrees F ?
Friday, March 18, 2016 by Daniel

science
Briefly describe how you would prepare 500cm of 1mole of NaCl solution in the laboratory.(Na-23,Cl-35.5)
Friday, March 18, 2016 by Precious Appiah

Science
What is a real-world example for biochemical conversion?
Thursday, March 17, 2016 by Rey

science
four ways humans use natural resources
Thursday, March 17, 2016 by mattiwe

SCIENCE NOW
name two hormones produced by the ovaries and explain what they do?
Thursday, March 17, 2016 by coolguy321

science
during which phase can fertilization occur A. phase 1 B. phase 2 C. phase 3 D. any of the phases *******? more info phase 1 is between 1-7 phase 2 is between 7-14 phase 3 is between 14-28
Thursday, March 17, 2016 by coolguy321

Science
How does sea-floor spreading occur? A, New materials are being added to the asthenosphere. B, Earthquakes break apart the ocean floor. C, Sediments accumulate at the area of spreading. D, Molten material beneath Earth's crust rises to the surface. •• 2, Which ...
Thursday, March 17, 2016 by Tanner fox

Science
Which of the following shows fossils as evidence of continental drift? A. Limestone layers in the Appalachian Mountains of North America were exactly the same as the limestone in Scotland's highlands B. Mesosaursus, an ancient reptile, had been discovered in South America...
Thursday, March 17, 2016 by Tanner fox

Science
ing to Wegener's hypothesis of continental drift,? A.Earth's surface is made up of seven major landmasses. B.the continents do not move. C.Earth is slowly cooling and shrinking. D.the continents were once joined together in a single landmass.•• Correct me plz
Thursday, March 17, 2016 by Tanner fox

science
You wish to obtain a magnification of -2 from a convex lens of focal length f. The only possible solution is to?
Thursday, March 17, 2016 by steve

science
the density of an object with a volume of 60.0 mL and a mass of 400.0g is___? a. 0.150g/mL b. 2.89g/mL c. 5.50 g/mL or d. 6.67 g/mL
Thursday, March 17, 2016 by erin

Science
1. Which climate is warm, wet, and located on the edges of the tropics? A. temperate marine B. highlands C. temperate continental D. polar 2. Which statement best explains why tropical climates are so hot? A. They receive little rain B. They receive more direct sunlight than ...
Thursday, March 17, 2016 by Kpop is real

science
1. Two point charges 4 μC and 2 μC are separated by a distance 1 m in air. At what point on the line joining the two charges is the electric field intensity zero?
Thursday, March 17, 2016 by deeps

science
If the number of loops on an electromagnet increases, the strength of the magnet will?
Thursday, March 17, 2016 by Amber

Earth Science (check answers)
Describe the importance of maintaining the ocean ecosystem. It is important to maintain because the ocean ecosystems because it provides reefs that support a complex ecosystem of ocean organisms that live and help each other to survive. Virtually every phyla on Earth is ...
Thursday, March 17, 2016 by Sue

science(physics)
A 2kg stone is droped from the top of a 20m building a)what potential energy does it posses b)At what height does its potential energy become equal to its kinetic energy? c)what is its kinetic energy just before it hits the ground? d)With what velocity does it reach the ground...
Thursday, March 17, 2016 by joe john

math
In an examination 70 student failled in math¡A90failed in science and 20 failed in both. if 80 student passed in math using venn-daigram¡A find how mamy student were passed in both subject¡H
Thursday, March 17, 2016 by suresh kunwar

science
hello! just needing help with this question. Why does milk have to be an emulsion to be considered a complete food?
Thursday, March 17, 2016 by Jaye

science
state the type of transformation of energyin a dry cell discharges and in a hydro electric power plant.
Thursday, March 17, 2016 by rijo

science
A 12V battery has 6cells in series. The E.m.f of the battery is 13.8V and the load drawing 10amp is connected to the battery. THe PD is now 12.0V. Calculate the internal resistance per cell of the battery
Thursday, March 17, 2016 by funi

science physics
A penny is dropped from a window and takes 1.82s to reach the ground. From what height was it dropped.
Wednesday, March 16, 2016 by melisa

Science
1. Which of the following best describes the movement of an object at rest if no outside forces act on it? (1 point) It will move due to inertia. Gravity will eventually cause it to move. It will stay at rest due to inertia. It will stay at rest due to gravity. Physics 2. A 2,...
Wednesday, March 16, 2016 by Tanner fox

Science
Sammy and Andy wanted to measure their classroom. Would this work? Why or why not
Wednesday, March 16, 2016 by Ana

Science
15)Which of the following shows the correct sequence of what happens to the water molecules in an ice cube when it is removed from the freezer? 1. the molecules gain enough energy to break free from each other. 2. the ice begins to melt 3. the molecules vibrate in a fixed ...
Wednesday, March 16, 2016 by #FreeGucci

Science
13.)How can substance A and B be compared? Choose all that apply. A.)The particles of substance A have more energy than the particles of substance B.*** B.)The particles of substance A are more tightly held together than the particles of substance B. C.)The particles of ...
Wednesday, March 16, 2016 by #FreeGucci

Science
Describe the importance of maintaining the ocean ecosystem.
Wednesday, March 16, 2016 by Sue

Science
What should I take next year? I am in the 5th grade. I want to know what classes i should take for 6th grade.
Wednesday, March 16, 2016 by Lokelani Kekumu

Science-The Solar System
What are two major differences in the composition of the inner and outer planets? I know that the inner planets are small, hard, and rocky, and the outer planets are large and gaseous. What is another difference?
Wednesday, March 16, 2016 by Person

Science
Q: Mant people who care about natural resources would choose to use wind power at their homes. however, wind power is not an option for people in many parts in the country. Explain what benefits of wind power are and why is it not available to everyone in the U.S. In your ...
Wednesday, March 16, 2016 by MissGeek

Science
2. A country commissioner wants to reduce the amount of waste sent to the local landfill. Which of the following would result in the greatest reduction of waste? -composting food waste -recycling glass plastics and metals -reusing rubber leather and textiles in new products...
Wednesday, March 16, 2016 by Nobody Stalk Me please :)

Science
How does the principals of convection, conduction, and radiation explain how the water in the saucepan gets hot?
Wednesday, March 16, 2016 by Summer

science
1. What would happen to an object if the force of gravity on Earth was decreased by half? (1 point) Its mass would decrease. Its weight would decrease.* Its density would decrease. Its volume would decrease. 2. Which of the following represents a heterogeneous mixture? (1 ...
Wednesday, March 16, 2016 by jai

maths,agricultur;life science,business
identify three courses or study fields you are interestedin following after grd12.write them down in order of preference.provide 2 reasons why you find this a suitable course for each choice
Wednesday, March 16, 2016 by precious

Science
A slab of granite has a mass of 1400.0 grams. The specific heat of granite is 0.040 J/gC. How much heat must be absorbed to raise the granite slab's temperature by 75 degrees C? 11.8 kJ 80.5 kJ 88.2 kJ 19.5 kJ I've tried solving this several times and I never get one ...
Wednesday, March 16, 2016 by Rachael

physical science
Balance of the following equation Ca+O2=CaO
Wednesday, March 16, 2016 by mariana

Math literature, Life Science, Geography and Tourism
What job can I do will doing those subjects
Wednesday, March 16, 2016 by TEBOGO

U.S. History
I have to do a slide presentation, and just needed some ideas to write about. Students will create a 3-slide presentation on any development in culture, science, and technology from 1914-1945, in America. So can you give me some ideas to write about?
Wednesday, March 16, 2016 by Jay

science
acetic acid has a pka of 4.8 how many ml of 0.1M acetic acid and 0.1M sodium acetate are required to prepare 1L of 0.1M buffer with a PH of 5.8? solve
Wednesday, March 16, 2016 by ruth

Science
1. Which of the following about the suns structure is true? A.The sun has a solid surface. B. The sun has an interior and an atmosphere. * C.The sun's is similar to Earth's; it has a core, mantle, and crust. D. The sun's outermost layer is called the radiation zone.
Tuesday, March 15, 2016 by TeamWork

Science
Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize depend on sunlight. ...
Tuesday, March 15, 2016 by Sue

Science
Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize depend on sunlight. ...
Tuesday, March 15, 2016 by Sue

English
Which one of the following sentences contains an unnecessary colon? A. Here's the question on all of our minds: Will our team be able to defeat their arch rivals tonight? B. Carlos has three goals in life: to graduate from college, own his own home, and work in the ...
Tuesday, March 15, 2016 by desiree

Science
Where on the ocean floor will you find the greatest amount of living organisms? Answer: the coral reefs The greatest amount of living organisms can be found in the photic zone where sunlight can penetrate water, and where organisms that photosynthesize depend on sunlight. ...
Tuesday, March 15, 2016 by Sue

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Homework Help: Computers