Thursday
March 30, 2017

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Posts by david

Total # Posts: 2,253

English
I was in a camp when i came back from the camp someone said "good exposure though what shoul i say ??
March 27, 2017

English
It about publicity
March 27, 2017

English
I was in a camp when i came back someone said these
March 27, 2017

Algebra 1
Consider the function L = 4h where L equals the number of legs on h horses. What would be the domain and range of the function?
March 24, 2017

Math
Talor is building a birdhouse for his backyard. He needs a piece fo wood that is 8 inches long and 6 inches wide. What is the area of the piece of wood tayler needs
March 22, 2017

Math
Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length) He knows that the average rainfall in his suburb is 30cm per year. Byron would like to install a cylindrical rainwater tank to hold the water that runs off the roof. The tank is ...
March 21, 2017

Biology
What is one of the outputs or products of respiration? It has to be a four letter word with the second letter being e because it is the hint that my teacher gave us. I couldn't find anything on it. So far I have disocovered is carbon dioxide, water, and atp.
March 21, 2017

Philosophy
This is what i have done a. New Guinea is not advanced. This is Vagueness We do not know what New Guinea is not advanced in b. I called him a liar. It is true, and I am sorry for it. (Statement is that of a politician responding to the demand that he apologizes for calling a ...
March 18, 2017

Philosophy
1. For each of the following underlined statements identify any vagueness, semantic ambiguity or syntactic ambiguity in the statement. If the statement is vague, explain why. If the statement is ambiguous, provide at least two alternative interpretations of the statement that ...
March 18, 2017

Social studies
1. Why is mining important to the economy of the United States? Can you link a website where I can find this information more quicker?
March 13, 2017

Math
theoretically if you roll a number cube 36 times, how many times would you expect to roll the number one? could you also give me explanation? Thank you. and also answer as fast as possible.
March 13, 2017

Chemistry
In the analysis of a sample of drinking water, a rate of 25.00 mL of the water requires 16.04 mL of AgNO3 to 0.05647 M in order to achieve an end to the Mohr method. What is the concentration of chloride ions in the sample?
March 9, 2017

Algebra 1
You have decided to get a job to pay for a car to drive. You estimate it will cost you $300 per month to buy and maintain the car. You get a job that pays $9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours and y for the pay). ...
March 6, 2017

Algebra 1
You have decided to get a job to pay for a car to drive. You estimate it will cost you $300 per month to buy and maintain the car. You get a job that pays $9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours and y for the pay). ...
March 6, 2017

Algebra 1
You have decided to get a job to pay for a car to drive. You estimate it will cost you $300 per month to buy and maintain the car. You get a job that pays $9.10 per hour. Write an equation for your pay as a function of the hours worked (Use x for the hours and y for the pay). ...
March 6, 2017

Science
1. In paper chromatography, is the substance being tested the solute or solvent? Explain your answer.  I think the substance being tested is a solvent. I think this because it is being dissolved to form the ink on the filter paper.  2. A bucket of paint spills on ...
March 3, 2017

Chemistry
The volume of 10 ml of H2SO4 solution was diluted 250 ml with distilled water. This resulting solution, 25 ml were neutralized by 10 ml of 0.1 mol/L solution of NaOH. calculate the Molarity of sulfuric acid.
March 1, 2017

Calculus
The region enclosed by the graph e^(x/2), y=1, and x=ln(3) is revolved around the x-axis. Find the volume of the solid generated. I don't understand if we have to use the washer method or the disk method for this one because when I drew it out on a graph it looked very ...
March 1, 2017

Physics
Water of mass 200g and temperature 10digrees Celsius is put in a copper calorimeter of mass 80g. Steam from boiler at a normal pressure is passed into the calorimeter for sometime. The total mass of the calorimeter and contents is 283g. The final temperature of the contents is...
February 27, 2017

Physics
A balloon is filled with a gas which is lighter than air. It is observed to rise in air up to a certain height. State the reason why the balloon stops rising.
February 27, 2017

Math
Students are being surveyed about the weight of books and supplies they are carrying as they attend class. a. Identify the variable of interest. b. Identify the type of variable. c. List a few values that might occur in a sample
February 25, 2017

Math
Find the equation of the line that has the same slope as the line through points (0,4) and (-5,7). But goes through point (-6,4) I don't get how to find the equation of the line
February 9, 2017

american government
what are the similarities between baltimore county council and the maryland
February 8, 2017

english
I think that the correct variant will be D a chronological order. One of the primary ways you might use it to write a historical narrative about the subject of term paper. For example, you might review the history of labour unions before you discuss the current situation.
February 7, 2017

English writting
I do not quite understand the topic. You may write about Barbie’s negative effects on young girls and there is much material about it. Even if your essay is ready, you may turn to the writers and let them proofread your work. Please, check out Marvelous essay service
February 7, 2017

Science
In what acceleration will tear a rope if it raises vertically body mass of 500 kg? The rope bears maximal strength force 15 kN.
February 7, 2017

Science
Determine the weight of an astronaut with a weight of 100 kg, if the rocket which rises him moves with acceleration 9,8 m/s^2
February 7, 2017

mathsssss
Suppose the roots of 2x^2 + 10x + 1 are a and B. Suppose another quadratic, x^2 + 1x + r, has roots y = a + 1/B and ? = B + 1/a. What are q and r?
January 31, 2017

physics
a truck of mass 5000kg is used to tow a jeep of mass 2500kg, the truck moves with a speed of 3.0ms(power -1) just before the towing rope becomes taut,calculate the speed of the truck just before the towing rope became taut,loss of kinetic energy of the system just after the ...
January 30, 2017

physics
a body British moving with a velocity of 20ms(power -1) collides with another body A, moving in the same direction on the same horizontal line with a velocity of 10ms (power -1).if the mass of the body A is three times the mass of body B, and the collision is perfectly elastic...
January 30, 2017

physics
a uniform meter bar of mass 120kg is sup ported on two knife edges 30cm from its center, with a diagram calculate the reactions at these supports when a 160kg mass is suspended 20cm from the center of gravity of the bar towards the left end
January 30, 2017

physics
A 200.0N steel box resting on a smooth surface is pushed to the right by a force of 50N, if the coefficients of starting and sliding friction are 0.74 and 0.53 respectively will the box move and if so what force isrequired to keep it moving at constant speed?
January 30, 2017

physics
A car traveling at 100 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.85 m . What was the magnitude of the average acceleration of the driver during the collision? Express the answer in terms of "g's," ...
January 29, 2017

Research
Research is a systematic inquiry that investigates hypotheses, suggests new interpretations of data or texts, and poses new questions for future research to explore. And statistics will be not enough to have a full research.
January 26, 2017

Rates
Not everyone helps everyone, which is a bit annoying...
January 21, 2017

Algebra
i'm not sure, but i know that b is definetly not the answer.
January 20, 2017

Precalculus
dats hard aff dude
January 19, 2017

Language Arts
Here are for your the similarities: Both follow much of the mythological journey covered by Joseph Campbell's breakdown Both have the mythical "supernatural aid" in the likes of Obi-Wan Kenobi and Gandalf, both of which wear robes and hoods. Both have the ...
January 19, 2017

Physics
How fast does a bowling ball drop 4 miles above ground.
January 19, 2017

Maths
Compute the following polynomial in standard form: (1 + x + x^2 + . . . + x^16)(1 - x)
January 19, 2017

Science
28cm3 of a gas weighs 0.4g at STP.Calculate the molecular mass of the gas.
January 17, 2017

CHECK MY CHEMISTRY WORK PLEASE ASAP
1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ...
January 10, 2017

CHEMISTRY
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ...
January 10, 2017

Chemistry
1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ...
January 10, 2017

chemistry help asap please
You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l.
January 9, 2017

maths
As the number of units manufactured increases from 4000 to 6000 the total cost of production increases form $22000 to $30000. Assuming a linear relationship between the cost and the number of units manufactured, what will be the cost when 4500 units are produced.
January 6, 2017

math
The pricing policy of a company follows the demand equation p=D(x). D(x) being the price per unit when x units are demanded. After studying the market trends the company determines the price function that is given by D(x)= 2000-4x. If the product is to be marketed the company...
January 6, 2017

physics
A certain vehicle can accelerate from rest to a speed of 25m/s in a time of 8s.What average power is needed to cause this acceleration?Neglect frictional losses
December 21, 2016

Structural Steelwork
A workshop table has an equilateral triangular top, each side of which is 900mm, the legs being at the three corners. A load of 500N is placed on the table at a point distant 325mm from one leg and 625mm from another. What is the load on each of the three legs?
December 21, 2016

College Physic
v=Aw A=v/w w=sqrt of k/m w=91.52 A=8.84/91.52 A=0.0966m
December 11, 2016

College Physic
A 1.54 x 10-2-kg block is resting on a horizontal friction-less surface and is attached to a horizontal spring whose spring constant is 129 N/m. The block is shoved parallel to the spring axis and is given an initial speed of 8.84 m/s, while the spring is initially unstrained...
December 11, 2016

chemistry
how many moles are released when 13.2 g of ammonium sulfate 2NH4SO4 is dissolved in water ? I know 13.2 g 2NH4SO4 = .099 moles
December 8, 2016

Physics
How many kilograms of water can be evaporated at 100 degrees Celsius by the combustion of 470 litres of fuel oil whose heat of combustion is 37 MJ/Litre
December 8, 2016

Algebra 2(help please!!)
Divide 7 by 20 and it will give you your percentage.
December 7, 2016

Math
All of the following statement are true about factors EXCEPT: Complexity, Miniaturization, and productivity are examples of adjustment factors. A cost factor is a cost estimating relationship, where the dependent variable is not directly proportional to the independent ...
December 7, 2016

Language arts
What is The propositional phrase of this sentence.The ticket holders waited patiently (outside the movie theater).
December 6, 2016

Algebra
Find approximate solutions rounded to three decimal places for ?f(x)=x^2-5x+3
December 6, 2016

Algebra
Find the first 4 terms of the recursively defined sequence. a subscript 1 =9?, a subscript 2 =9?, a Subscript n+1=a Subscript n +a Subscript n-1 Are the first four terms A)9,9,18,18 B)9,9,9,27 C)9,9,81,729 D)9,9,18,27
December 6, 2016

PHYSICS HELP
Two identical gas cylinders each contain 20.0 kg of compresses air at 1.00 x 106 pa and 275 K. One of the cylinders if fitted with a safety valve that releases air into the atmosphere if and only if the pressure in the cylinders raises above 1.10 x106 pa (the other cylinder ...
December 4, 2016

physics (urgent)
Two identical gas cylinders each contain 20.0 kg of compresses air at 1.00 x 106 pa and 275 K. One of the cylinders if fitted with a safety valve that releases air into the atmosphere if and only if the pressure in the cylinders raises above 1.10 x106 pa (the other cylinder ...
December 4, 2016

English
Hey there! I think that you are right. The second sentence is missing the article 'the'
December 3, 2016

math
How many boys there are in the group that wears glasses over the total number of people that wear glasses. Remember to simplify.
December 2, 2016

social studies
What choice do you think the answer is?
November 30, 2016

social studies - WW1
The Central Powers were Germany and Austria-Hungary. Neutral nations that joined them were Bulgaria and the Ottoman Empire. The Allies were the United Kingdom, France, Serbia, and Russia. The neutral nations that joined them were Portugal, Italy, Belgium, Romania, and Greece. ...
November 30, 2016

social studies
That is correct.
November 30, 2016

Math
Well, consider the multiples: [6, 12, 18, 24, 30, 36, 42, 48, 54, 60, ...] Eventually, you run into repeating digits in the one's place. You should be able to figure it out from there.
November 30, 2016

physic
Electrical energy is really the effect of moving electrical charges from one point to another in a conductor. Electrical charges moving through a conductor is called electricity. Electrical energy may be easily changed into other forms of energy to suit our particular needs. ...
November 30, 2016

Math Check
1. You're correct, because the decimal repeats digits, it's considered rational. 2. I believe that's correct. It doesn't come out to 160ft^2, of course, but it's sure close at least. 3. This is false, actually. Rationals and Irrationals form their own ...
November 30, 2016

computer programming
You might be able to find some relevant information on somewhere like Stack Overflow.
November 30, 2016

Algebra
Make an equation out of the information given. You're going to have one of those values above set equal to an equation with a variable and you want to see how large you can make that variable without going above the constant you've set your equation to: y = ax + b That...
November 30, 2016

Math: Creating a linear equation
Is this question based off another that has already been posted? Regardless, with the information given, you cannot give the answer in a completely linear form because $141 is only a constant (as denoted by "as a one-time payment") Your equation would then be: cost...
November 30, 2016

order pair and relations
What are the multiples of thirty-six?
November 30, 2016

Science
"Hypo to Hyper, like a windshield wiper!" That's how I learned it. Everybody likes homeostasis, so when you have an imbalance like too much sugar outside a cell (or in this case, a grape), it will take responsibility and try to fix things by rebalancing the ...
November 30, 2016

Math
You have the [3 x $44.12] correct but for the [$0.44], it's not as simple as just adding the amount once. "Per mile" is your clue here.
November 30, 2016

Math
What equation did you come up with, or rather, how did you go about trying to solve it.
November 30, 2016

Math
Alright, it's the same idea, make an equation out of the information just like the first question I helped you with.
November 30, 2016

Math
"plus mile" is really ambiguous. Otherwise, all that you need to multiply the cost per day by the number of days the car was rented for.
November 30, 2016

Math
That is correct!
November 30, 2016

Math
Make an equation out of it: y = the total cost of the bill. y = (6 x $1.15) + $3.75 + $7.45 + (13 x $1.15) + (3 x $37.00) Do the math and you'll have your answer.
November 30, 2016

social studies
Ms. Sue is correct. It was nowhere near completion within Qin Shi Huang's lifetime. It was certainly a long-term project.
November 30, 2016

social studies
The history of the Great Wall of China began when fortifications built by various states during the Spring and Autumn (771–476 BCE) and the Warring States periods (475–221 BCE) were connected by the first emperor of China, Qin Shi Huang, to protect his newly founded ...
November 30, 2016

Math: Creating a linear equation
Well, let's consider each piece we're given: $50 as a down payment for accepting the job -> This value doesn't change regardless of how many Alex would work on the job. He would get the money ahead of time, meaning that the value is constant and would fit ...
November 30, 2016

Math
28 yards x L = 2996 yards squared; solve for L; Every 1 square yard = 9 square feet. 2996 x 9 = ?
November 30, 2016

Science
Do you know what the Integumentary System is?
November 30, 2016

math
You can do this by subtracting four from twenty-four and count how many times you can do this before you get to zero. 24 - 4 = 20; // 1 20 - 4 = 16; // 2 16 - 4 = 12; // 3 12 - 4 = 8; // 4 8 - 4 = 4; // 5 4 - 4 = 0; // 6 So, four can go into twenty-four six times.
November 30, 2016

Absolute value statement
Not quite, either the absolute value of a negative number is the positive version of that number. So, |-7| is 7.
November 29, 2016

Absolute value statement
[0 - 7] is not [-6]. Otherwise, you are correct so far.
November 29, 2016

Math
Multiply 20 and 1.75. That will be your answer.
November 29, 2016

Inequality 6 grade math help
You need a negative sign on the seven and the zero should probably be replaced with some kind of variable, usually "X".
November 29, 2016

chemistry
Bromine and Chlorine react to form Bromine monochloride. Bromine and Chloride are both diatomics so, in their elemental forms, they have two atoms. _Br2 + _Cl2 -> _BrCl Fill in the blanks.
November 29, 2016

Math
1. Convert the two functions so that they have common denominators. 2. Add the two fractions. 3. Subtract the sum of the two fractions from one, (preferably the fractional form of one derived from the step one.) 4. Simplify, if possible.
November 29, 2016

Social Studies
Apologies, Ms. Sue, I hadn't realized you posted as I was making my explanation. I'll try not to provide the answer so blatantly as well. Still trying to get the hang of it.
November 29, 2016

precalculus
You can solve for each variable (a, b, c) through forming a system of equations with each set of coordinates. You should have three equations after plugging in. 1. Plug in the coordinates for x and y into the general form. Remember y and f(x) represent the same quantity. 2. ...
November 29, 2016

AP Chemistry
The rate constant for the equation, 2C2F4 ? C4F8, is 0.05 M^?1· s^?1. We start with 0.111 mol C2F4 in a 3.00-liter container, with no C4F8 initially present. What will be the concentration of C2F4 after 1.00 hour? Answer in units of M.
November 29, 2016

Writing help
do you still need the help with your assignment? One of the easiest ways to help others is to simply share your knowledge. You don’t have to be in front of a classroom to teach. Every day there is an opportunity to educate someone about your area of expertise. The key is ...
November 29, 2016

Chemistry
Ammonium nitrate a common fertilizer was used by terrorists in the trgic explosion in oklahoma city in 1995.how many litres of gas at 307oc and 1.00atm are formed by the explosive decomposition of 15kg of ammonium nitrate to nitrogen, oxygen and water vapour Solution 2NH4NO3=...
November 29, 2016

Physics
This problem seems like it can be treated almost like a math problem. We know that one kilogram is equal to one-thousand grams and that one slice of ham is seven grams and two slices of bread are fifty grams total (twenty-five grams each). So you just need to see how many ...
November 28, 2016

Physics
We want to find which of these two elements is our limiting amount. Here's some helpful equations to consider. 8x = 32 //The equation for oxygen. 1x = 9 //The equation for hydrogen. From these two values, we want to determine the value of x that makes each equation true. ...
November 28, 2016

Math
// Original equation. (-i) - 2 - (6 - 4i) - (5 - 2i) // Distribute negatives. -i - 2 - 6 + 4i - 5 + 2i // Combine like terms. ((-2) + (-6) + (-5)) + ((-i) + 4i + 2i) // Solve. (-13) + 5i // Answer. 5i - 13
November 28, 2016

Social Studies
Oh, alright!
November 28, 2016

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