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March 27, 2015

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

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Quick english help
Please check & see if I classified these sentences as simple, complex, or compound correctly! 1. His tie is going to choke him unless we can get it off. (Is this a complex sentence?) 2. She laughed so hard until the teacher told her to stop. (Is this a complex sentence?) 3. ...
Sunday, December 14, 2014 at 7:53pm

Science
I am having a very had time completing this question What and how does the cell membrane regulate? What three factors influence this process?
Sunday, December 14, 2014 at 5:38pm

Science
15 ml of saturated solution of potassium chloride in water at 50 degress Celsius is raised to 70 degress Celsius. How much more kcl will dissolve?
Sunday, December 14, 2014 at 4:07pm

Science
Can someone actually help me with this...? Instead of telling me to use my books... (My school does NOT give us books.!) How is incomplete dominance different than dominance? Explain why incomplete dominance only occurs in this genotype?
Sunday, December 14, 2014 at 11:04am

Science 😭
How is incomplete dominance different than dominance? Explain why incomplete dominance only occurs in this genotype?
Sunday, December 14, 2014 at 10:41am

science
how many cell divisions would it take to produce at least 1000 cells from one Cell?
Sunday, December 14, 2014 at 9:30am

Science Help!!!!
1. Running the dishwasher only when it is completely full is an example of A. Increasing resource use. B. Using nonrenewable resources. C. Using renewable resources D. Reducing resource use*** 2. Cotton is a plant used to make clothing. Cotton would fit best into which of the ...
Sunday, December 14, 2014 at 12:19am

Science Help!!!!
1. Which of the following describes an example of land reclamation? A. After an area is mined for copper, the soil is replaced and new plants are planted. B. After a forest is clear-cut, desertfication occurs. C. After a forest is clear-cut, is mined for copper. D. After an ...
Saturday, December 13, 2014 at 11:46pm

science
An experiment is set up to test whether a particular insect prefer a dark or a bright environment. A chamber with a gradient in light intensity from one end (dark) to the other (bright) has been made. The experimental hypothesis is: “There will be a large difference ...
Saturday, December 13, 2014 at 12:39pm

Science
How to find Electron Configuration
Saturday, December 13, 2014 at 12:15pm

Grade 9 Science
why does a planet's orbital radius represents that planet's average distance from the sun and not its exact distance?
Friday, December 12, 2014 at 9:50pm

Science
An airplane with a speed of 27.4 m/s is climbing upward at an angle of 48° counterclockwise from the positive x axis. When the plane's altitude is 860 m the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly beneath ...
Friday, December 12, 2014 at 8:06pm

art
which of the following was true of the age of reason? a. people justified their faith using scientific principles b. people valued science over faith c. people debated the raison detre
Friday, December 12, 2014 at 7:54pm

science
A polo player hits a ball with a mass of 0.42 kg with a force of 7.35 Newtons. How does the force the polo player's mallet exerted on the ball compare to the force the ball exerted on the mallet? A. The force of the mallet on the ball is equal in magnitude and opposite in ...
Friday, December 12, 2014 at 5:45pm

science
example of a change in state in state that releases energy
Friday, December 12, 2014 at 10:09am

science
2) Which is not an example of matter? A. water B. air(i think it this one) C. gold D. sound 3) The amount of space an object occupies is called its ..... A. volume(i think it this one) B. mass C. electricity D. gravity 4) Atoms in a molecule are joined together by.. A. ...
Friday, December 12, 2014 at 9:51am

Science
Pure gold can be fashioned into elaborate masks and thin plates that can be incorporated into clothing.what physical trait of metal doea this demosnstrate
Friday, December 12, 2014 at 9:23am

Science
When magnesium oxide (MgO) and water (H20)react, they produce magnesium hydroxide Mg(OH)2. Magnesium hydroxide is a medicine used to treat an upset stomach. The equation for this chemical change is shown below: MgO + H20 --> Mg(OH)2 if 40.00 grams of magnesium oxide and 18....
Thursday, December 11, 2014 at 10:54pm

Science
Name two functions of a nucleus. [I think one of them is that it contains the cell's DNA.]
Thursday, December 11, 2014 at 6:18pm

science
A couple has just learned that their daughter has hemophilia. They already have a son who does not have the disease. What are the genotypes of the couple? Explain your reasoning.
Thursday, December 11, 2014 at 4:23pm

Science Help
Drew is walking back up the best hill in the neighborhood 24* grade. He's pulling on the empty 2.1kg sled with a force of 18N at an angle of 55* with the hill. He's walking with a constant velocity, what is the coefficient of friction?
Thursday, December 11, 2014 at 10:32am

science
a 150 gram bullet is fired with a speed of 50 ms if it is stopped after hitting a target 101 meters away what is its initial KE
Thursday, December 11, 2014 at 5:05am

science: question
is autoclaving same as heating the tooth?
Thursday, December 11, 2014 at 1:40am

Science Project: Teeth (PLEASE HELP)
How hot should water be for teeth to stay in for 30 minutes? I don't have any equipments to heat the teeth and I have check the hospital and have asked my mom.She works in the hospital there and she says they have one in the lab and I can't use it anyway. I'm ...
Thursday, December 11, 2014 at 12:28am

math
A total of 121 people came to the school science fair this year. This is 7 more than twice the number of people who came to last years science fair. How many people came last year?
Wednesday, December 10, 2014 at 11:28pm

Science
I have to write an argument date why the adaptation of camouflage helps a predator more than it helps a prey animal and I have to have 3 valid points. What is a good website to research this?
Wednesday, December 10, 2014 at 10:26pm

Science tech
What do bridges and buildings have in common ?
Wednesday, December 10, 2014 at 9:58pm

IMPROVING WRITING
Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
Wednesday, December 10, 2014 at 9:38pm

Science
Bird. Trait Hummingbird Wings: Legs: Beak: Body: Penguin. .Wings: Legs: Beak: Body: why it might be beneficial for different types of birds to have different types of bodies
Wednesday, December 10, 2014 at 8:32pm

Science
Liquid A=0.68 g/ml Liquid B=0.76 g/ml Liquid C=1.00 g/ml Liquid D=1.08 g/ml A new liquid with a density of 0.97 g/ml is poured into a graduate cylinder. Where would it layer in relationship to the other liquids?
Wednesday, December 10, 2014 at 8:14pm

science
Lava flows from cracks in the earth and hardens into basalt, what type of rock result, is the answer sedimentary
Wednesday, December 10, 2014 at 7:49pm

science
Heat and pressure change rock inside the earth crust into gneiss. What type of rock result. Is the answer igneous
Wednesday, December 10, 2014 at 7:31pm

science
Pressure changes layers of mud into shale. What type of rock is the answer sedimentary
Wednesday, December 10, 2014 at 7:20pm

science
Some people that suffers from clinical depression experience feelings of tiredness and feel the need to sleep much more than usual. a. How and why is feeling of tiredness and lethargy connected to depression? b. Is it better to fight off the feeling of tiredness and sleepiness...
Wednesday, December 10, 2014 at 7:09pm

science
Sandstone is exposed to extreme heat and pressure changing into quartzite. What type of rock. Is it metamorphic rock
Wednesday, December 10, 2014 at 6:53pm

science
Layers of mud made mostly of tiny shells and calcite crystals form the soft rock chalk. What type of rock results. Is the answer igneous rock
Wednesday, December 10, 2014 at 6:50pm

science
By studing rock layer scientist can learn about changes in earth formation and climate. True or false. Is the anser true
Wednesday, December 10, 2014 at 6:38pm

science
The remain of long dead organism may form fossils, true or false. Is the answer true
Wednesday, December 10, 2014 at 6:34pm

Science
Swimmers find that they can float more easily in the ocean than in freshwater pond. Explain the reason for this phenomenon
Wednesday, December 10, 2014 at 6:06pm

Physical Science
Fill in the blanks using the correct term from the list below. Active Combustion free heating systems passive heat pump thermal energy stroke 1. A house with large windows on its south side and few windows on its other sides probably uses a(n) Blank solar heating system. 2....
Wednesday, December 10, 2014 at 5:33pm

Pysical Science
The transfer of thermal energy by convention and conduction both require what? Unscramble atterm
Wednesday, December 10, 2014 at 5:18pm

science
how much force is used when a 3.00 km object is moved by 51.0 kj of work?
Wednesday, December 10, 2014 at 3:51pm

Science~!
What would happen to a object if the force of gravity on earth was decreased by half? A. mass would decrease b. its weight would decrease c its density would decrease d. its volume will decrease A certain object has a volume of 25.0 mL and mass of 100g whats the density of the...
Wednesday, December 10, 2014 at 1:07pm

science
why did a portion of the tabletop get cold when Natasha placed her cold drink on the table. a.the table's molecules were vibrating more slowly in that area b.the table's have spread farther apart in that area c.the table's had gained energy in that area d.(this is ...
Wednesday, December 10, 2014 at 11:28am

Science
Calculate the denstiy of a block if the volume is 20.0cm3 and the mass is 40.0 g
Wednesday, December 10, 2014 at 11:09am

math
Ivan is saving money to buy a computer with. He started with $225 in his savings account and the first week he added $75, the second week he added $200, the third week he unfortunately had to take out $50 and the fourth week he added $125. How much more money does he need to ...
Wednesday, December 10, 2014 at 8:41am

Computer science
How can i use the 'Adobe Photoshop'? I am really confused how to use/edit a photo. Will ypu pls help me to know about it? Thank you
Wednesday, December 10, 2014 at 8:27am

moral science
UNSCRABLE THESE WORD..ineisfsirdne; htotvulfhgrsen
Wednesday, December 10, 2014 at 7:29am

Introductory to Physical Science
A student drops a stopper into 50.0mL of water and the level rises to to 56.1mL. If she submerges the same stopper into a cylinder of thick syrup, what will happen to the syrup? a.) it will rise 6.1mL b.) it will rise less than 6.1mL c.) it will rise greater than 6.1mL d.) it...
Tuesday, December 9, 2014 at 9:48pm

Science/Math
If a student submerges a stopper with a volume of 6.1mL into a cylinder of thick syrup, what will happen to the syrup?
Tuesday, December 9, 2014 at 9:35pm

Science
What is a black dwarf, white dwarf, protostar, neutron star and black hole
Tuesday, December 9, 2014 at 5:43pm

science
who discover neon
Tuesday, December 9, 2014 at 5:21pm

science
In electromagnetic waves, frequency is inversely proportional to Fast Please. I do not understand this
Tuesday, December 9, 2014 at 3:37pm

science
how many h2 can be produced by 9.2 gr with h2o
Tuesday, December 9, 2014 at 1:56pm

Statistics
Hello Can you help me It is reported that 72% of working women use computers at work , choose 4 working wonen at random . Find the probability taht : A : all 4 use a computer at their work B : at least one does not use a computer at work Please help me 😞
Tuesday, December 9, 2014 at 12:50pm

Science Please help
Some of the oldest rocks ever found have been estimated to be about 3.5 billion years old. Is it likely that these rocks were present when Earth was first formed? No, this rock is probably just a sedimentary rock that was formed by much younger igneous rocks. Yes, the oldest ...
Tuesday, December 9, 2014 at 10:49am

Physical Science
What is the temperature of oxygen that boils at negative 183 Celsius?
Tuesday, December 9, 2014 at 3:13am

Science
How many families of elements are there Is there 9
Monday, December 8, 2014 at 9:01pm

Science
What is a species that competes with polar bears for resources?
Monday, December 8, 2014 at 7:40pm

science
a pipe that carries 10 gpm of liquid at 50 psi with at least 0.5 sq in area must fit through a hole thats 1.25 in in diameter.
Monday, December 8, 2014 at 7:21pm

Science
How many families of elements are there
Monday, December 8, 2014 at 6:19pm

Science
How to find valence electrons
Monday, December 8, 2014 at 6:14pm

Science
What are the names of the periods on a Periodic Table
Monday, December 8, 2014 at 5:59pm

english
Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
Monday, December 8, 2014 at 5:43pm

science
Oxygen gas may be prepared by decomposing hydrogen peroxide, h2o2, using manganese (IV) oxide catalyst: 2H2O2(liquid) ----> 2H2O(liquid) + O2(gas) Calculate the amount of oxygen that will be produced from 1.35 moles of H2O2 Determine the mass of oxygen gas that can be ...
Monday, December 8, 2014 at 10:43am

English
Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
Sunday, December 7, 2014 at 6:22pm

Science
A geologist working in a national park finds a minerals. He is carrying a kit that contains a penny, a hand lens, a piece of tile, a geologic hammer, and a jackknife. Describe the geologist can use these items to determine some of the minerals characteristic.
Sunday, December 7, 2014 at 6:16pm

intro to computers
You call the help desk to report a problem you are having on your computer. The technician asks you what operating system you are running. You know it is Windows 7 but you forget which version. How can you find out?
Sunday, December 7, 2014 at 6:09pm

science
A 7E+3 kg object is 9.29 m away from a 4.7E+8 kg object. What is the gravitational force between the two objects?
Sunday, December 7, 2014 at 5:49pm

Science
A geologist working in a national park finds a mineral. He is carrying a kit that contains a penny, a hand lens, a piece of tile, a geologic hammer, and a jackknife. Describe how the geologist can use items to determine some of the mineral's characteristics? Help...
Sunday, December 7, 2014 at 5:17pm

science
Baseball of 0.15 kg is thrown upward at an initial velocity of 35 m/s . tow seconds later a 20 g bullet is fired at 250 m/s into the rising baseball . How high will the combined bullet and baseball rise
Sunday, December 7, 2014 at 9:29am

Science
What will be the effect on litmus paper when methyl amine is used?
Sunday, December 7, 2014 at 9:12am

science
A 170g mass attached to a horizontal spring oscillates at a frequency of 3.10Hz . At t =0s, the mass is at x= 6.60cm and has vx = − 15.0cm/s. Determine the position at t= 5.00s. The period is 0.32258 s The angular frequency is 19.478 rad/s The amplitude is 6.6448×...
Saturday, December 6, 2014 at 7:36pm

Science
Baseball of 0.15 kg is thrown upward at an initial velocity of 35 m/s . tow seconds later a 20 g bullet is fired at 250 m/s into the rising baseball . How high will the combined bullet and baseball rise.
Saturday, December 6, 2014 at 4:44pm

m
For a preschool plan can you have a science activity for each day?
Saturday, December 6, 2014 at 4:28pm

science
a 25 kg ball is trown into that air.when thrown it is going 10 m/s .calculate how high it travel
Saturday, December 6, 2014 at 10:26am

science
type of element of elements of neon
Saturday, December 6, 2014 at 9:19am

Science
A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 4.6 m waterfall. The spy’s speed is 16 m/s and the officials’ speed is ...
Saturday, December 6, 2014 at 1:26am

Physics
A computer hard drive rotates at 5400 revolutions per minute. Starting from rest, what torque will get the hard drive up to that speed in just 150 revolutions? The moment of inertia of the hard drive is 1.3×10^-2 kg·m^2. I know the answer is 2.2 N.m, but I'm not...
Friday, December 5, 2014 at 10:26pm

Science
Which of the following describes the fundamental difference between prokaryotic and eukaryotic cells?
Friday, December 5, 2014 at 11:02am

science
the constant value for speed of light is 3x10to the 7 m/sec. what is the mass equivalent of 100000 N-m of energy
Thursday, December 4, 2014 at 9:42pm

science Please Help
1. A positively charged test object is moving toward the positive source charge in an electric field. What happens next??? A. its potential energy decreases. B. Its potential energy increases. C. Its potential energy stays the same. D. Its potential energy become the negative...
Thursday, December 4, 2014 at 5:56pm

science Please Help
During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy released is A.nuclear energy B.kinetic energy...
Thursday, December 4, 2014 at 5:39pm

Science
If the original pressure of a system is 700 torr, temp 30 C and volume 100L, what will the final volume be if the pressure is increased to 750 torr and temperature to 37C
Thursday, December 4, 2014 at 2:51pm

7th grade science
some animals, but not humans have an organ called a gizzard located near the top of their digestive tract. this organ is small and can contain small rocks. it also has thick muscular walls. based on this physical description which of the following is most likely to be the ...
Thursday, December 4, 2014 at 10:42am

Improving Writing- REVISED VERSION
Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
Thursday, December 4, 2014 at 4:14am

Science
a ball with a mass of 1.50 kg traveling + 2.00 m/s collides with a stationary ball with a mass of 1.00 kg. After the collision, the velocity of the 1.50 kg ball is + 0.40 m/s. What is the velocity of the 1.00 kg ball after the collision?
Thursday, December 4, 2014 at 1:11am

Science
A mass of .1539 kg. moves down a 5 meter ramp in 2 seconds. What is the velocity and the KE developed by the moving mass?
Wednesday, December 3, 2014 at 8:43pm

science
which of the following features is most associated with the inner planets? A. rings made of ice and dust B lots of moons C large amounts of iron and silicon D thick atmospheres is it c or d?
Wednesday, December 3, 2014 at 7:34pm

Science
in what way are burning and the formation of rust alike?
Wednesday, December 3, 2014 at 7:14pm

science
which of the following features is associated with the inner planets? rings made of ice and dust lots of moons large amounts of iron and silicon thick atmospheres
Wednesday, December 3, 2014 at 6:55pm

Science
Which of the following is a quantitative property of minerals? A.Cleavage B.Hardness C.Luster D.Streak I'm thing Cleavage or Hardness but i'm not sure can someone help?
Wednesday, December 3, 2014 at 6:11pm

science
A jellyfish can propel itself with jets of water pushed out of its bell, a flexible structure on top of its body. The elastic bell and the water it contains function as a mass-spring system, greatly increasing efficiency. Normally, the jellyfish emits one jet right after the ...
Wednesday, December 3, 2014 at 5:52pm

Science
The Ka for the H2PO4–/HPO42– buffer is given by the equation: Ka= ([HPO4^-2]gamma [H^+])/[H2PO4^-]=10^-7.20 What is the pH of a 2:3 mixture of H2PO4– to HPO42– at 0.10 M ionic strength? (See the table for the activity coefficients.) I just am not sure how ...
Wednesday, December 3, 2014 at 4:19pm

Science
Polysaccharides break apart by the process of hydrolysis and need _________ for this process. Can you please help me fill in the blank.
Wednesday, December 3, 2014 at 4:05pm

Science
If a cheetah is able to accelerate at 15.0 m/s2 from a stand still, what speed will it reach after 2.50 seconds?
Wednesday, December 3, 2014 at 2:47pm

English
(1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade science, I have some experience with the faces and ...
Wednesday, December 3, 2014 at 1:12pm

science
Discuss the results of your research about the roles of nature versus nurture on human health. Share your opinion about how an individual’s genetic makeup interacts with nutrition, smoking, drug use, or exercise to affect the quality and length of life. Back up your ...
Wednesday, December 3, 2014 at 10:06am

Science
What is the total mass when you pour 100 g of vinegar into a flask and add 10 g of baking soda in a flask. Also what is the chemical formula for this. how can we change the formula so the experiment will be accurate. Thanks
Wednesday, December 3, 2014 at 9:56am

Improving writing
Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
Wednesday, December 3, 2014 at 8:26am

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