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October 1, 2014

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

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Science quick question urgent check my answer
bacterial structures which could survive unfavorable conditions are called? Spores Flagella Cysts Granuless My answer: spores?
Wednesday, October 1, 2014 at 11:02am

Science
-Describe the zero sum rule -True of False: The formula for the nitride ion is N^(-3) -True of False: The stock system shows the charge on the negative ion Answer this Question
Wednesday, October 1, 2014 at 10:01am

Science
What is an indicator and how are they useful to scientists?
Wednesday, October 1, 2014 at 12:45am

Science quick question
bacterial structures which could survive unfavorable conditions are called? Spores Flagella Cysts Granuless My answer: spores?
Tuesday, September 30, 2014 at 11:49pm

Science 1 quick question
Suppose monerans lost the ability to fix nitrogen. How would this affect other organisms?
Tuesday, September 30, 2014 at 9:47pm

Science
Vocabulary Write a brief paragraph using the terms sedimentary rock,metamorphic rock,and rock cycle.
Tuesday, September 30, 2014 at 8:54pm

science
What is the speed in meters per second of a boat traveling at a speed of 16.1 knots?
Tuesday, September 30, 2014 at 1:28pm

Science
... During dry weather, does the water level in a small pond drop because of runoff? If not then what is it?
Monday, September 29, 2014 at 10:16pm

Science
May you please tell me if these are true or false, if they are false then can I have the true statement, thank you In the water cycle, water returns to Earth as (condensation) usually in the form of rain or snow During dry weather, the water level in a small pond drops because...
Monday, September 29, 2014 at 9:53pm

science
an astronaut has a mass of 60 kilograms on earth. what would her mass be on mars? what would her weight be on mars? the strength of gravity o mars is 3.7 m/s^2.... am having a slow moment, please help
Monday, September 29, 2014 at 7:02pm

science
what is background information mean?
Monday, September 29, 2014 at 6:35pm

science
So the question is write down three examples of science in your everyday life. This was my answer: sound- compression wave, Baked goods- chemical reaction, Looking at mountains or ocean- earth science Please check my answer and see if this is good thank you
Monday, September 29, 2014 at 5:10pm

science
what are examples of science in your everyday life please help
Monday, September 29, 2014 at 5:02pm

science
What will happen to the mass of the wood if you put them together without cutting them.
Monday, September 29, 2014 at 3:38pm

Earth Science
Explain how you could measure the density of a mineral with an exact amount of water and a scale .
Monday, September 29, 2014 at 2:15pm

engineering science
Two objects, with masses 10kg and 6kg respectively, move in the same direction in the same straight line at velocities 8m/s and 4m/s repectively, when they collide. The objects remain in contact with each other after collision. Calculate the common velocity and the direction ...
Monday, September 29, 2014 at 12:28pm

Earth science
A sphere was dropped into water in a graduated cylinder as shown in the following diagram.The water level rose th the new level shown .What is the volume of the sphere
Sunday, September 28, 2014 at 9:42pm

science
Which of the follow comparisons would be an inaccurate analogy between prokaryotic cells and eukaryotic cells? A - A eukaryotic cell is like a college campus was a prokaryotic cell is like a one-room schoolhouse B - A eukaryotic cell is like a flip phone while a prokaryotic ...
Sunday, September 28, 2014 at 9:10pm

earth science
If the earth was made 4.5 billion years ago, how comes we don't have any craters or rocks from that time?
Sunday, September 28, 2014 at 6:35pm

Science
The flask shown here contains 10.0 ml of HCl and a few drops of phenolphthalein indicator. The buret contains 30ml of 0.130M NaOH. What Volume of NaOH is needed to reach the end point of the titration? I've used m1v1=m2v2, (x)(10.0ml HCl) = (0.130 M/L NaOH) (0.03L) and ...
Sunday, September 28, 2014 at 5:52pm

SCIENCE
A scientist observing a group of spider monkeys noticed that the adult females often spend time picking leaves off of tree branches. The scientist hypothesizes that this behavior is caused by boredom. Is the scientists hypothesis valid? A- no, emotions of non-human organisms ...
Sunday, September 28, 2014 at 5:51pm

computer
you need to access the registry on your windows 7 computer.how do you do this ?
Sunday, September 28, 2014 at 4:24pm

science 2 quick questions
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? I don't want sites because they don't help, please help me and explain . All my other questions r done but I'm stuck on these 2.
Sunday, September 28, 2014 at 2:19pm

To ANY SCIENCE HELPER URGENT
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Please this is very urgent, I have finished everything else but these r my last 2 questions that I don't know! Please help! Thanks:)
Sunday, September 28, 2014 at 11:39am

SCIENCE - PLEASE HELP PLESE
1) Round 578.683 m, 47.3333 kg, and 789.5 cm to four significant figures. 2) Find the weight of a 12.25 kg dog. Round your answer to the correct number of significant figures. Use weight=massxfree-fall acceleration. 3) Round 3155.24m, 8.777 73 cm, and 93.775 57 kg to one less ...
Sunday, September 28, 2014 at 9:35am

Environmental Science
India’s prime minister puts you in charge of that nation’s population policy. India has a population growth rate of 1.6% per year, a TFR of 2.7, a 49% rate of contraceptive use, and a population that is 71% rural. What policy steps would you recommend, and why? What ...
Sunday, September 28, 2014 at 2:14am

To ANY SCIENCE HELPER
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Thanks:)
Sunday, September 28, 2014 at 1:36am

Need help badly, Science
Suppose the incident sunlight at ground level has a power density of 0.87 kW m−2 at noon. What is the maximum rate of loss of water from a lake of area 1.0 ha? (1 ha = 104 m2.) Assume that all the radiant energy is absorbed. any ideas on how do i get through with this?
Sunday, September 28, 2014 at 12:29am

computer science
Mr Ali has given a test to his class. He would like to have the average score for the class as well as the highest and lowest scores. Write a pseudocode to calculate and display these values. Then convert your pseudocode into a program by using any programming language of your...
Saturday, September 27, 2014 at 11:53pm

Science
Suppose a geologist is studying two distinct areas next to a spreading ridge. The magnetic direction of the minerals in the oldest area is opposite to the magnetic direction of minerals in the newest area. a) Which area is closest to the center of the ridge, the older of the ...
Saturday, September 27, 2014 at 6:44pm

Science
a car is moving at 80km/hr and slows down to 13km/hr in 9.75 seconds. Calculate the car's acceleration Formula for acceleration= Final speed-Initial/Time
Saturday, September 27, 2014 at 12:19pm

Engineering science
A water pump produces 9KL of water per hour at a height of 70 m above the pump.The pump is driven by a 3 KW electric motor.calculate. 1) The work done per hour 2) The work done per minute
Saturday, September 27, 2014 at 7:40am

science
an empty truck with a mass of 3000 kg has a maximum acceleration of 1m/s2 .what will its acceleration be when it carries a load of 1000 kg?
Saturday, September 27, 2014 at 5:08am

math
the price of a computer fell 20% this year, if the computer now cost $850, how much did it cost last year?
Friday, September 26, 2014 at 8:30pm

Science-HELP?
A map of Florida is an example of a(n) ________. *I researched this a little bit and I thought it might be peninsula. Can someone verify this for me please? There aren't any choices either.
Friday, September 26, 2014 at 7:57pm

Science URGENT
Marquez is in the ocean on his surfboard. While waiting for the perfect ride, he notices that waves pass him about every 4 s. What is the frequency of the waves? A. 0.75 Hz B. 0.5 Hz C. 0.25 Hz D. 0.2 Hz
Friday, September 26, 2014 at 5:30pm

Science
Choose the explanation that does the following: (1) identifies the element used in carbon dating and (2) explains why the element is used. A. iodine-131; iodine is present in the thyroid glands, is radioactive, and has a very long half-life B. nitrogen-14; radioactive carbon ...
Friday, September 26, 2014 at 4:53pm

Science
Marquez is in the ocean on his surfboard. While waiting for the perfect ride, he notices that waves pass him about every 4 s. What is the frequency of the waves? 0.75 Hz 0.2 Hz 0.5 Hz 0.25 Hz
Friday, September 26, 2014 at 4:29pm

Science
Harold walked into his kitchen and noticed that the bowl of bananas he keeps in the corner had many fruit flies around it. When he reached the bowl, he noticed that one of the bananas had its peel partially pulled apart, and the fruit inside the peel had turned brown and a ...
Friday, September 26, 2014 at 2:55pm

Science
Your family is going to have a contractor build a pool in your backyard. Your mom wants to make this a learning experience, so she asks you to find the mass of the water that will fill the pool. She has told you that the pool holds 75,700 L of water, and you know that the ...
Friday, September 26, 2014 at 2:43pm

Science
I have two questions for 7th grade Science. I've been sitting here for a while, and I am behind in school work. Please Help. _____ is the practical use of scientific knowledge to solve everyday problems and improve lives ____ are used to make complicated concepts and ...
Friday, September 26, 2014 at 2:30pm

Science
The force of 100dynes acts on a mass of 50 grams for 10 seconds. Find the change in moentum
Friday, September 26, 2014 at 4:58am

Science: Acids that affects the tooth enamel
I know phosphorus and amino acids has their roles with affecting the tooth enamel, but is there other acids that can help or destroy the tooth enamel? Thank You in advance.
Friday, September 26, 2014 at 4:12am

science
which of the following is an example of an effect of natural selection. A. all of the children of two parents are male. B. carbon cycles through ecosystem. C. favorable environmental conditions cause an increased food supply. D. polar bears have white fur.
Thursday, September 25, 2014 at 9:17pm

science
Why did a portion of the tabletop get cold when Natasha placed her cold drink on the table? (1 point) The table’s molecules were vibrating more slowly in that area. The table’s molecules had spread further apart in that area. The table’s molecules had gained ...
Thursday, September 25, 2014 at 7:08pm

science
what is the way that an organism either builds up or breaks down materials in the body for energy
Thursday, September 25, 2014 at 5:45pm

science
what volume occupy 90g/
Thursday, September 25, 2014 at 4:02pm

Science! URGENT
Bacteria can reproduce through asexual or sexual reproduction. Environmental conditions for a particular bacteria species are good and the bacteria are thriving. Which form of reproduction will the bacteria most likely use? A. The bacteria will most likely reproduce through ...
Thursday, September 25, 2014 at 3:54pm

Science! URGENT
How might sexual reproduction decrease an organisms chance of survival? A. If the offspring inherits a genetic combination that includes a harmful trait, it could decrease the organisms chance of survival. B. If the offspring inherits the exact sane genetic information as its ...
Thursday, September 25, 2014 at 3:39pm

Science! Help!!
What would happen if gametes were not haploid? A. If gametes were not haploid, the offspring would have half the number of chromosomes it is supposed to have. B. If gametes were not haploid, the offspring would have double the number of chromosomes it is supposed to have. C. ...
Thursday, September 25, 2014 at 2:31pm

P5 Science
My full question. A leaf was plucked from the garden. The procedure for testing for starch in the leaf was carried out. Part of the leaf turned blue-black and part of the leaf just turned brown. Question : Why do you think the other part of the leaf did not contain starch?
Thursday, September 25, 2014 at 12:10pm

P5 Science Energy
Please help me.... State the energy conversions in the maglev wind power station. ____energy(wind)-->_____energy(turbin​es)-->_____energy(generators)
Thursday, September 25, 2014 at 11:51am

P5 Science Energy
Part of the leaf that turned brown.
Thursday, September 25, 2014 at 11:48am

P5 Science - Energy
Need help.. Why do you think the other part of the leaf did not contain starch?
Thursday, September 25, 2014 at 11:03am

Science! Help!!
In pea plants, purple flowers are dominant over white flowers. Which Punnet square correctly shows the cross of a plant with white flowers and a plant that is heterozygous for purple flowers? A. Aa,Aa, aa, aa B. Aa,Aa, Aa,Aa C. AA,Aa, Aa,aa D. AA,AA, Aa,Aa Is the answer D?
Wednesday, September 24, 2014 at 6:09pm

Science! Help!!
Which of the following traits is acquired? A. The number of petals that grow in a plants flowers. B. The wing shape of a wild bird C. The ability of some gorillas to use sign language D. A cheetah's ability to run faster than any other land animal. Is the answer B?
Wednesday, September 24, 2014 at 5:58pm

science
the neuron that transmit the signal to your foot to kick a soccer ball are called reflexes motor neurons sensory neurons interneurons
Wednesday, September 24, 2014 at 4:49pm

science
the neuron that transmit the signal to your foot to kick a soccer ball are called reflexes motor neurons sensory neurons interneurons
Wednesday, September 24, 2014 at 4:39pm

statistics 3
An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored survey that found 365 of 543 business...
Wednesday, September 24, 2014 at 3:18pm

Science
smallest unit that consists of at least one atom A. Protons B. Neutrons C. Electrons D. Molecules Im thinking D but im not sure i don't remember.
Wednesday, September 24, 2014 at 2:15pm

Science
Dust mites are microscopic bugs that are too small to see with a dissecting microscope. To see the details of a dust mite’s skin, which of the following microscopes would you use? A. dissecting microscope B. compound microscope C. transmission electron microscope D. ...
Wednesday, September 24, 2014 at 1:13pm

Statistics 3
An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored survey that found 365 of 543 ...
Wednesday, September 24, 2014 at 11:52am

science
how much energy and joules are in bag of crisps?
Wednesday, September 24, 2014 at 11:13am

science
what is function of the nucleons in a cell?
Wednesday, September 24, 2014 at 10:29am

science
The energy of a mole of photons with frequency 6.00x10^14Hz is what in kJ?
Wednesday, September 24, 2014 at 10:24am

science urgnt vry urgnt for exam purpouse
explain why sliding friction is less than static friction
Wednesday, September 24, 2014 at 9:08am

statistics 3
An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored survey that found 365 of 543 business...
Tuesday, September 23, 2014 at 11:37pm

Science
The gradient or slope of the distance time graphy at any pont gives
Tuesday, September 23, 2014 at 10:09pm

statistics 3
An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips. 1. What is the sample proportion from an American Express-sponsored survey that found 365 of 543 business...
Tuesday, September 23, 2014 at 9:50pm

SCIENCE
If we decrease the distance an object moves we will decrease the amount of force applied. Decrease the amount of work done. increase the amount of force applied. increase the amount of work done.
Tuesday, September 23, 2014 at 7:20pm

science
Do all animals reproduce?
Tuesday, September 23, 2014 at 7:19pm

science Help
A long-haired cat (recessive trait s) is crossed with a heterocygous short-haired cat (dominant trait S). What percentage of their offspring will have long hair? A. 100 percent B. 50 percent C. 25 percent D. 0 percent Is the answer C?
Tuesday, September 23, 2014 at 7:18pm

science Help
In humans, having more than five fingers or toes is dominant over having exactly five finger or toes. Which of the following situations would most likely result in exactly half of a couple's offspring having six digits and half of them having five? A.Both parents are ...
Tuesday, September 23, 2014 at 6:58pm

Science
A piece of aluminum has a mass of 39.15g and a volume of 14.5cm cube. Determine the density of the aluminum. What would the density be of a much larger piece of aluminum? explain. I established the density of the al. is 2.7g/ cm cube. I dont get the second part of the question?
Tuesday, September 23, 2014 at 6:46pm

Science
Why might scientists first want to build and study a model of their proposed project?
Tuesday, September 23, 2014 at 6:38pm

Science
What microscope would you use to observe dust mite's skin?
Tuesday, September 23, 2014 at 6:37pm

Science! Help
In humans, having more than five fingers or toes is dominant over having exactly five finger or toes. Which of the following situations would most likely result in exactly half of a couple's offspring having six digits and half of them having five? A.Both parents are ...
Tuesday, September 23, 2014 at 6:32pm

Science
If the coordinates of points A and L are -4 and 8, respectively, then the midpoint between them has a coordinate of____ A- 0 B- 2 C- 4 D- 6 Please help me understand this!
Tuesday, September 23, 2014 at 6:26pm

Science! Help
In humans, having dimples is a dominant trait. If one parent has dimples and is homosygous for the trait, what is the probability any of his or her offspring will NOT have dimples? A. 100 percent B. 50 percent C. 25 percent D. 0 percent Is the answer D?
Tuesday, September 23, 2014 at 6:18pm

Science
Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life. i wrote, If we understand scientific principles and think like a scientist we solve problems in our ...
Tuesday, September 23, 2014 at 6:04pm

science Help
Which of the following describes the genotype and phenotype of parents whose child will definitely have a recessive trait? A. Both parents are homozygous for the recessive allele and have the trait. B. Both parents are homozygous for the recessive allele but do not have the ...
Tuesday, September 23, 2014 at 5:51pm

science Help
A long-haired cat (recessive trait s) is crossed with a heterocygous short-haired cat (dominant trait S). What percentage of their offspring will have long hair? A. 100 percent B. 50 percent C. 25 percent D. 0 percent Is the answer C?
Tuesday, September 23, 2014 at 5:46pm

Science Help
A long-haired cat (recessive trait s) is crossed with a heterocygous short-haired cat (dominant trait S). What percentage of their offspring will have long hair? A. 100 percent B. 50 percent C. 25 percent D. 0 percent Is the answer C?
Tuesday, September 23, 2014 at 5:15pm

Science Help
Which of the following describes the genotype and phenotype of parents whose child will definitely have a recessive trait? A. Both parents are homozygous for the recessive allele and have the trait. B. Both parents are homozygous for the recessive allele but do not have the ...
Tuesday, September 23, 2014 at 5:03pm

science Help
White skin (W) is dominant over yellow skin (w) in chickens. Which of the following genotypes would result in a white-skinned chicken that could possibly have yellow-skinned offspring? A. WW B. Ww C. ww Is the answer B?
Tuesday, September 23, 2014 at 4:51pm

Science
Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He decreased the ...
Tuesday, September 23, 2014 at 2:25pm

Science
An object has a volume of 22 liters and a mass of 35 kilograms what's the objects density?¿???????????????
Tuesday, September 23, 2014 at 2:20pm

science
ind the molality of the solution obtained when 36.5 gram HNO3 is dissoloved in 750 gram water
Tuesday, September 23, 2014 at 12:43pm

Science
using an example explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life? Do you have any suggestions
Tuesday, September 23, 2014 at 12:15pm

Science--Help.
Which of the following is NOT one of the eight most common elements in Earth’s continental crust? carbon silicon oxygen aluminum The most abundant element in Earth’s continental crust (by weight) is _____. 2. oxygen silicon calcium iron 3. The central region of an ...
Tuesday, September 23, 2014 at 11:40am

Science
Which of the following units are in order from smallest to largest? a) Epoch, period, era. b) Era, epoch, period. c) Period, era, epoch. d) Epoch, era, period. True or False? Folding, as well as motion along faults, can change the position of rock layers and how they line up ...
Tuesday, September 23, 2014 at 9:42am

science
calculate the number of moles inside a soap bubble 1cm in diameter and 1atm pressure at a temperature of 25 degree celsius.
Tuesday, September 23, 2014 at 3:16am

Science
A controlled experiment is designed to test a ___. (1 point) control hypothesis theory** prototype Thanks I greatly appreciate it!
Monday, September 22, 2014 at 10:58pm

Science
suppose that you are walking down the street. Describe the force acting on you, and describe how they change your motion
Monday, September 22, 2014 at 9:28pm

Physical Science
Superfly, mass of only 1 gram, but capable of flying 840 million km/hr. meets a locomotive with a mass of 20,000 kg, traveling 40 km/hr. Who has the greater momentum? I know I need to convert mass to kg and covert momentum in Kg-Km/hr. I just don't know how. Please help.
Monday, September 22, 2014 at 8:03pm

Physical Science
Johnson ran the 100 meter dash in 9.79 seconds. Calculate Johnson's average speed, in meters/second.
Monday, September 22, 2014 at 7:56pm

science
An experiment was performed how the amount of coffee grounds could affect the taste of coffee. The same kind of coffee, the same percolator, the same amount a type of water, the same perking time, and the same electrical source were used. Identifying variables Independent, ...
Monday, September 22, 2014 at 7:56pm

integrated science
list nine digestive enzymes in the body plz answer fast thank u
Monday, September 22, 2014 at 7:49pm

science
A Scientist wonders if the amount of Vitamin C that he feeds to rats will have any affect on the rat's mass. He measured both the mass of the rats and the amount of vitamin C in grams. I need to find the Independent variable, Dependent variable and the controlled variable?
Monday, September 22, 2014 at 7:47pm

integrated science
what are atoms
Monday, September 22, 2014 at 7:44pm

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