Wednesday
September 2, 2015

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

science
What can happen to an animal species if it cannot adapt to changes taking place in its habitat?
Tuesday, May 19, 2015 by Shay

science
Which of the following is the best course of action when it comes to using natural resources? A. Only nonrenewable resources should be carefully managed B. Only renewable resources should be carefully managed C. Conservation should be implemented for both renewable and ...
Tuesday, May 19, 2015 by Anonymous

science
How many joules of heat is required to change 40.0g of ice at 0degrees Celsius to liquid water at 0 degrees Celsius.
Tuesday, May 19, 2015 by hilda

science (any tutor)
Which kind of pollution is illustrated by a pipe gushing polluted water into a river? A. Point source*** B. Nonpoint source C. Carbon source D. Resource source
Tuesday, May 19, 2015 by Anonymous

Science (Chemistry)
A chemical system within a sealed 1 L reaction vessel is described by the following reversible reaction equation: 2H2S(g) <---> 2H(g) + S2(g) If the equilibrium constant is 0.000 004 200 at 1103 K find: (a) the reaction quotient intially (b) the order of concentration of...
Tuesday, May 19, 2015 by Kibito

English
Identify the statement that is a verifiable fact. A. Kids need to avoid excessive time in front of a computer. B. Laptop computers outsell desktop computers in retail sales.***** C. Most computer applications are designed for learning purposes. D. The elderly should avoid ...
Tuesday, May 19, 2015 by Cassie

science
when 8.4 g of NaHCO3 is added to a solution of CH3COOH weighing 20 g .It is observrd that 4.4 g of CO2 is releasd into atmosphere and a residue is left behind .calculate the mass of residue by applying law of conservation of mass .
Tuesday, May 19, 2015 by vishal

science
the resultant of two forces 13n and 20 n is f if the first forces is doubled the resultant is also doubled to 2f find the angle betwen the two forces
Monday, May 18, 2015 by physics

math
what is the perimeter of a computer graphic with sides measuring 5 square root , 6 square root 108 , 2 square root 147 and 5 square root 8.
Monday, May 18, 2015 by Annmarie

science
how physical/mechanical and chemical weathering different?
Monday, May 18, 2015 by Natalie

science
how are physical/mechanical and chemical weathering alike?
Monday, May 18, 2015 by Natalie

Science (Chemistry)
A chemical system within a sealed 1 L reaction vessel is described by the following reversible reaction equation: 2H2S(g) <---> 2H(g) + S2(g) If the equilibrium constant is 0.000 004 200 at 1103 K find: (a) the reaction quotient intially (b) the order of concentration of...
Monday, May 18, 2015 by Kibito

Science
Sorry Ms Sue I forgot to separate them A species of flowering plant produces vibrant blue flowers. The flowers attract both pollinators that spread the plant's pollen and herbivores that feed on the plant. An adaptation occurred through several generations of plant species...
Monday, May 18, 2015 by anonymous

Science
Can you please help me answer just a couple questions A species of flowering plant produces vibrant blue flowers. The flowers attract both pollinators that spread the plant's pollen and herbivores that feed on the plant. An adaptation occurred through several generations ...
Monday, May 18, 2015 by anonymous

Science
How could sustainable use preserve biodiversity in hot spots?
Monday, May 18, 2015 by M

Science
During a space shuttle landing, a parachute deploys from the back of the shuttle as it taxis down the runway. In addition to the speed brake, the parachute helps the shuttle come to a complete stop. How does the parachute help during this process? A. It increases the weight of...
Monday, May 18, 2015 by Connie

science
A bicycle tire is filled with air to a pressure of 6.80 atm and a temperature of 19 degrees Celsius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees Celsius. The volume of the tire increases by 4.0%.What is the new pressure in the ...
Monday, May 18, 2015 by sikhonaye

science (any tutor)
Similarities in the early development of chickens and opossums suggest that these organisms share a________. common ancestor???
Monday, May 18, 2015 by Anonymous

science (any tutor)
a farmer sprays insecticide on his crops and notices that the insect pest problems disappear. a year later he tries the same insecticide only to find that he did not achieve the same result. the insect population shows resistance to the insecticide.This is na example of _____ ...
Monday, May 18, 2015 by Anonymous

science school
A body of mass 20g appears to have a mass of 13g in oil and 12g in water what is the relative density of oil.
Monday, May 18, 2015 by Anonymous

science (any tutor)
Narwhals are aquatic mammals known for the giant tusk that protrudes from their upper lip. These mammals live in artic waters and can spend more than three hours at a time underwater at great depths that would crush other animals. The narwhal's ability to endure such long ...
Monday, May 18, 2015 by Anonymous

science (any tutor)
Similarities in the early development of chickens and opossums suggest that these organisms share a________. common ancestor???
Monday, May 18, 2015 by Anonymous

science (any tutor)
Very few fossils of jellyfish or their close relatives have been found. This makes it hard to trace the evolutionary history of jellyfish using the fossil record. What explains this? A. Jellyfish fossils are buried deep under the ocean floor, not in land areas where scientists...
Monday, May 18, 2015 by Anonymous

science (any tutor)
Luther Burbank was a plant breeder who developed a strain of potato plant that produced more tubers (the part of the root that people eat) of larger size than other potato plants that were grown on farms at the time. This strain of potato was also resistant to the potato ...
Monday, May 18, 2015 by Anonymous

math help please
What is the perimeter of a computer graphic with sides measuring? 2√18, 2√32, 2√50, and 3√12 centimeters The perimeter is _______ centimeters.
Monday, May 18, 2015 by Ann

science (any tutor)
2. How did Darwin and Lamarck differ in their thinking about change in species? A.Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism’s environment. B.Darwin thought that change could occur ...
Monday, May 18, 2015 by Anonymous

science (any tutor)
3. Luther Burbank was a plant breeder who developed a strain of potato plant that produced more tubers of larger size than other potato plants that were grown on farms at the time. This strain of potato was also resistant to the potato blight that had wiped out the potato ...
Monday, May 18, 2015 by Anonymous

Ms. Sue PLZ HELP!!!(science)
When evolution was first proposed, which of the following was used as evidence to support the idea? A. observations of nature *** B. laboratory experiments C. extensive fossil collections D. genetic sequences
Monday, May 18, 2015 by Anonymous

science
a body of mass 5kg is thrown to a height of 100m.what is its potential energy at the maximum height.?
Monday, May 18, 2015 by steve

science
calculate the volume of gas at STP that is produced when 1g of silver nitrate is heated. the unbalanced reaction is: AgNO3(s)=Ag(s)+NO2(g)+O2(g)
Monday, May 18, 2015 by Mahlako

Science 8
I need help on this portfolio project, I have to do a lab report on light refraction. The research question is "How does change in medium affect light?" and I need to make a hypothesis, but I don't know what to put.
Sunday, May 17, 2015 by Hannah

WEATHER SCIENCE SOS! I NEED ANSWERS CHECKED! SOS
How does latitude affect climate? a.) Areas near the equator have cooler climates than areas far from the equator. b.) Areas near the equator have warmer climates than areas far from the equator.*** c.) areas near the equator have 4 seasons.*** d.) areas near the equator do ...
Sunday, May 17, 2015 by D-D-D-DROP DA BASE.

computer
16. How many virtual machines can you run at one time?
Sunday, May 17, 2015 by Chandresh

Science
What is the similarities between conduction and radiation What is the similarities between convection and radiation
Sunday, May 17, 2015 by Cynthia

science
if the actual mass of oxide at the end of the experiment is 130g, what is percentage yield?
Sunday, May 17, 2015 by Mahlako

science
name four principles of kinetic friction
Sunday, May 17, 2015 by temo

science
How many kcal of heat energy are removed from the body with every 1 L of sweat?
Sunday, May 17, 2015 by Val

Science help
Provide two statements that demonstrate the importance of units when describing motion. I don't know how to answer this question :(
Saturday, May 16, 2015 by Midnight

science (percentage yield)
if 100g of iron reacts with excess oxygen, how much rust should be produced?
Saturday, May 16, 2015 by Mahlako

Science
What is the mass of 0.8mol of Na(ii)CO(iii)
Saturday, May 16, 2015 by Kitsi

Science
Which is the first layer of the atmosphere?
Saturday, May 16, 2015 by floppy

Science
Which of the following is true about all electromagnetic waves in a vacuum? A. they all carry the same energy B. they all travel at the same speed C. they all have the same frequency D. they all have the same wavelength I think it's B
Friday, May 15, 2015 by Kel

Science
are animal species just any kind of animals.
Friday, May 15, 2015 by Shay

Science
Which of the following correctly describes a gamma ray? A.long wavelength and low frequency B.long wavelength and high frequency C.short wavelength and low frequency D.short wavelength and high frequency*** check please
Friday, May 15, 2015 by Kel

Science
When the energy of a sound wave is transferred to a particle of a medium and causes it to vibrate and generate hear, the sound wave is A. reflected B. refracted C. absorbed D. transmitted I think it's C. check please
Friday, May 15, 2015 by anonymous

science
is a squirrel a animal species
Friday, May 15, 2015 by brooke

History
Cans someone help me. In 4 or 5 sentences, Explain how life changed from 1915-1920s with War World 1 in the beginning thru Prohibition and Jazz toward the end of the 1920s. I forgot my books on the bus. And i can't research it :/ can someone help me please. Im un able to ...
Friday, May 15, 2015 by Anonymous

Science check answers
1. Which of the following explains how natural selection leads to evolution? Conditions in the environment reduce competition for resources within a species Helpful variations accumulate among surviving members of the species*** Overproduction provides food for stronger ...
Friday, May 15, 2015 by Caleidoscope

Science 8th Grade
In what ways can outside forces affect an object's motion, position, and shape?
Friday, May 15, 2015 by Archy

science
find the no. of electron transferred between two ppints kept at a potential difference of 20V if 40 J of work is done
Friday, May 15, 2015 by sandeep

Science
Name two types of evidence used to support the theory of evolution. Explain how scientists use each type of evidence to provide support for evolution. Give one example of each.
Thursday, May 14, 2015 by baby2015

Science
How did Darwin and Lamarck differ in their thinking about change in species? Darwin thought that organisms could induce their own changes, while Lamarck thought that change could only be induced by an organism’s environment. Darwin thought that change could occur in ...
Thursday, May 14, 2015 by Elizabeth

science
If you could double check my answer that would be awesome :) which of the following is not part of the theory of evolution? Organisms tend to produce more offspring than can survive to reproductive age ** Organisms can acquire changes during their lifetime that can help their ...
Thursday, May 14, 2015 by anonymous

Science, please check my answer Ms Sue!
How does a hurricane form? a.)It forms over a warm ocean water as a low-pressure area*** b.) it forms over a warm ocean as a high-pressure area. c.) it forms over cool ocean water as a low-pressure area d.) it forms over a cool ocean water as a high-pressure area. My answer is...
Thursday, May 14, 2015 by Carla

Science
The diagrams show two views of the same river flowing from a lake to an ocean bay. Which diagram below best represents the profile of the river bottom between points C and B?
Thursday, May 14, 2015 by Daniela

science
Suppose some natural disaster occurs and a species of finch is forced to relocate from its original island where it dined on cactus flowers to an adjacent island with many fewer cacti but an overabundance of orchids. What would be the immediate consequences to the species in ...
Thursday, May 14, 2015 by David101

science or biology
Similarities in the early development of chickens and opossums suggest that these organisms share a __________. I think is common ancestor
Thursday, May 14, 2015 by claudia 2015

biology o science
Very few fossils of jellyfish or their close relatives have been found. This makes it hard to trace the evolutionary history of jellyfish using the fossil record. What explains this? (1 point) Jellyfish fossils are buried deep under the ocean floor, not in land areas where ...
Thursday, May 14, 2015 by claudia 2015

Science
2. How did Darwin and Lamarck differ in their thinking about change in species? I think its a
Thursday, May 14, 2015 by hibye2015

English
7.) "To Mrs. Saville, England, St. Petersburg, Dec. 11th, 17" You will rejoice to hear that no disaster has accompanied the commencement of an enterprise which you have regarded with such evil foreboding..." This excerpt from the introductory portion of Mary ...
Thursday, May 14, 2015 by Cassie

psychology
PLEASE HELP LAST QUESTION.??? Among William James's contributions to the science of psychology is that he A. he wrote the first American text in psychology b.. developed a psychodynamic treatment for mental illness. c.experimented with classical conditioning d. developed ...
Thursday, May 14, 2015 by karla

Science
Find the density in g/cm3 of a 1573 cm3 piece of metal having a mass of 46 kg.
Thursday, May 14, 2015 by Angela

Science
A fishtank measures 11 ft X 18 ft X 12 ft in English dimensional units. If water weights 62.4 lbs/ft3, what is the weight in lbs of the water filling the tank?
Thursday, May 14, 2015 by Shaterri

Science
A fishtank with inside dimensions of 164 cm X 76 cm X 96 cm is filled with water. What is the volume in cm3 of water required? What is the mass in grams of the water required? What is the mass in kilograms?
Thursday, May 14, 2015 by Angela

science
what is the change in momentum when a body dropped from a height of 20 m and hits the ground and rebounds with the same speed?
Thursday, May 14, 2015 by meena

science(physics)
The stream of a river is flowing with velocity 1 km/h.What should be the direction of a swimmer to cross the river straight if he can swim at the rate of 2 km/h in still water.
Wednesday, May 13, 2015 by Anonymous

Science: Space
I'm having trouble finding the answers to these fill-in-the-blank questions: Our understanding of the solar system has changed from an Earth-centered model of ____ and ____ to the sun centered model of _____ and _____. I was thinking for the first 2 blanks: rocks; oxygen ...
Wednesday, May 13, 2015 by Anonymous

Computer science
Write the pseudocode for a method that receives as input the cost of a meal, and then adds a 9% tax rate, and then outputs a 15% tip on top of the price+tax
Wednesday, May 13, 2015 by Alex

science please help
after the dna strands are separated, which of the following is the next step of DNA replication in the S phase of the cell cycle? Action of helicase formantion of RNa primer breaking go hydrogen bonds joining of nucleotides i think either B or D
Wednesday, May 13, 2015 by john

science please help
in evolutionary terms, RNA is thought to have preceded proteins and DNA. Which of the following observations provides the most convincing support for hypothesis? a) there are more types of RNA than there are DNA b) RNA contains combined catalytic, structural, and genetic ...
Wednesday, May 13, 2015 by john

SCIENCE: CONNEXUS HELP!
Lesson 12: Energy Unit test Unit 3:Energy 1.The diver has the least gravitational potential energy at position A-1 B-2 C-3 D-4 2. Two identical masses are moving down a slope. One mass is traveling twice as fast as the other mass. How does the kinetic energy of one mass ...
Wednesday, May 13, 2015 by MM

science please help
after the DNA strands are separated, which of the following is the next step of DNA replication in the S phase of the cell cycle? A) Action of helicase B) formation of RNA primer C) Breaking of hydrogen bonds D) joining of nucleotides i think it is either B or D
Wednesday, May 13, 2015 by john

science please help
Which of the following factors is the most likely explanation for an energy deficit that results in exercise-induced exhaustion? a. inefficient protein production b. insufficient mitochondrial function c. impaired urea elimination d. absence of oxygen transporters on the cell ...
Wednesday, May 13, 2015 by john

science @elena please help
it has been hypothesized that chloroplasts originated from photosynthetic cyanobacteria that became symbiotic inside a host cell. Which of the following observations provides the strongest evidence for this suggestion? A) microscopically, chloroplast appear similar to ...
Wednesday, May 13, 2015 by john

Science
How much heat is produced when the body metabolizes a gram of trioleylglycerol?
Wednesday, May 13, 2015 by Johnny

Science 6th Grade Please Help!
How does wind affect precipitation? a. Wind does not have any effect on precipitation. b. Winds that blow from over the land contain a lot of water vapor that will cause precipitation. c. Winds that blow inland from oceans or large lakes contain very little water vapor that ...
Wednesday, May 13, 2015 by Trr

algebra
brittany wrote a computer program that generates two random numbers between one and eleven when she runs t what is the probability that the first value will be more than 9 and the second will be less than 3
Tuesday, May 12, 2015 by olivia

4th grade science
imagine that the air temperature in your classroom increased by 10 degrees celsius. Would the relative humidity of the air in the room go up or down? Explain. Please help!!!!
Tuesday, May 12, 2015 by Yellow

science
How does molecules move throughout the water cycle? evaporation: They move freely in the air condensation:They lose energy and are cooled runoff; they move down to the water precipatation: they fall down to the earths surface im really not sure so if i have something wrong can...
Tuesday, May 12, 2015 by Mariam

Science
How do I create a cladogram using DNA or protein sequences taken from three different organisms?
Tuesday, May 12, 2015 by SnakeSpirit

science
science questions:Look around your house and make a list o different kinds of containers that use insulation to keep foods hot or cold. If possible, describe the type of insulators used in each container. I don't know which containers in my house that uses insulation. Can ...
Tuesday, May 12, 2015 by Mariam

Ms. Sue PLZ HELP!!!(science)
Study the amino acid sequences of the same protein taken from four different species of plants. Which pair of plants is most closely related? Species 1: -A-P-A-C-W- Species 2: -G-P-G-S-F- Species 3: -A-P-A-C-F- Species 4: -N-K-M-H-H- a. Species 2 and 4 b. Species 1 and 3*** c...
Tuesday, May 12, 2015 by Anonymous

Ms. Sue PLZ HELP!!!(science)
Humans developed antibiotics to fight bacterial infections. However, some antibiotics are no longer effective in killing the bacteria they once killed. How does the theory of evolution explain this? a. The antibiotic mutated the bacteria, which allowed resistance to develop. b...
Tuesday, May 12, 2015 by Anonymous

science(check answers)
Which of the following is a correct description of a tornado A.a large swirling low pressure system that forms over that forms over the warm atlantic ocean B.A winter strom with wind speeds of at least 56 km/h and low visibility C. A violently rotating column of air in contact...
Tuesday, May 12, 2015 by brake down tonight

Science
True or False. Winds usually move from areas of low pressure to areas of high pressure.
Monday, May 11, 2015 by Idk.

Science
Should the government establish a national park to preserve the tundra in Alaska?
Monday, May 11, 2015 by Jim

L.A Ms. Sue? or anybody?
1. Which of the following aspects of the setting is evidence that the giver is an example of science fiction A. Jonas rides a bike to school every day B. jonas's father works in a daycare center C. a loudspeaker makes announcements to the community. D. Jonas lives in a ...
Monday, May 11, 2015 by anonymous

Science
When a water wave with a positive amplitude of one meter meets another water wave with a negative amplitude of one meter, what will be the result? Explain.
Monday, May 11, 2015 by Alex

Science
What is the formula for the frequency of visible light? Using this formula, explain what will happen to the frequency when yellow light (580 nanometers) is slowed down slightly when it passes through a crystal.
Monday, May 11, 2015 by Alex

Science help urgent :/
What has been the general trend in human population growth? A.) The human population has decreased. b.) The human population has remained constant. C.) The human population has grown exponentially. d.) The human population has increased and then decreased significantly.
Monday, May 11, 2015 by Amanda Fire

Science
1.If the current (in amps) remains the same, but the voltage increases, what effect does this have on the power (in watts) consumed by some device? 2.How is the dimension of time different from the dimensions defining space?
Monday, May 11, 2015 by Leo

Science
Is sulfur a good conductor or poor conductor of heat and electricity?
Monday, May 11, 2015 by Day

Science
Can you plz check asp 1. Suppose the total momentum of two masses before a collision is 100 kg m/s. What is the total momentum of the two masses after they collide? (1 point) 0 kg m/s 50 kg m/s 100 kg m/s 200 kg m/s 2. What is the momentum of a 20.0 kg scooter traveling at 5....
Monday, May 11, 2015 by Stephanie

Science
A free proton and a free electron are placed in a uniform electric field. Which of the 2 will experience a greater acceleration?
Monday, May 11, 2015 by Krishna santhosh

Science
Plz check it fast or just improve advice 9. Provide three statements that demonstrate the importance of units when describing motion. (3 points) Three statements that demonstrate the importance of units when describing motion are 1.unit i m/s indicate it is in SI unit 2.It ...
Monday, May 11, 2015 by Stephanie

science
it has been hypothesized that chloroplasts originated from photosynthetic cyanobacteria that became symbiotic inside a host cell. Which of the following observations provides the strongest evidence for this suggestion? A) microscopically, chloroplast appear similar to ...
Monday, May 11, 2015 by elena

science
Is glycerol a fat, carbohydrate or protein?
Sunday, May 10, 2015 by tom

Stats (Math)
Assume that Science scores on a 25-point quiz for a random sample of 5 students were drawn from a normal population. The assumed variance was 20 while the recorded variances were: 18, 16, 10, 13, and 23. You suspected that the variance is actually higher. What test do you need...
Sunday, May 10, 2015 by Leeroy

Science
one year ago How many Global Positioning System (GPS) satellites are required to pinpoint your location on Earth’s surface? (1 point) 24 12 3 5 i think it's 4, but 4 is not an option
Saturday, May 9, 2015 by Elliot

algebra
Megan's science teacher gave each student in her class a 20.0 gram sample of sedimentary rock. Each student is required to verify the rock sample by taking four mass measurements. Which measurement is the most accurate of the four recorded?
Saturday, May 9, 2015 by deaaron

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Homework Help: Computers

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