Richard
This page lists questions and answers that were posted by visitors named Richard.
Questions
The following questions were asked by visitors named Richard.
Please help? At least, let me know how to solve it. Please. The Starting five (5) players of the Women’s Basketball team have agreed to make appearances for charity events tomorrow night. If you must send three of them to a Breast cancer event and the oth...
19 years ago
Our son's 3rd grade teacher gave out a homework assignment which had the students make a sentence for each of their spelling words and then circle the "noun" in the sentence. We received his homework back from the teacher with the words, "I, you, He", cir...
18 years ago
Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^2 - 2x/2x^2 + 5x^2 - 3x/2x^2 16x^2 - 2x + 5x^2 - 3x/2x^2 =21x^2 - 5/2x^2 Find the LCD 6/7z- 28, 8/x^2 -4x = 7x(x-4) Simplify 3x^2 - 2x/15x-10 = x/5 Let's start by looking at your first problem: 8x -...
18 years ago
When a tlc plate was developed the solvent front ran off the top of the plate, why? A two component mixture containing a dicarboxylic acid and tricarboxylic acid gave only one spot with an Rf value of 0.05. Solvent used; hexane. What went wrong? Solvent r...
18 years ago
1. Would you expect ibuprofen to be soluble or insoluble in 1.0 M NaOH? Explain. 2. Thymol is very slightly soluble in water and very soluble in 1.0 M NaOH. Explain. Any info. would help! Below are two web pages. The first shows ibuprofen has a -COOH grou...
18 years ago
I' am currently trying to wrie a couple of lab conclusions and having a hard time coming up with good points to make for the following lab experiment: Thin layer chorotography If anyone has a few minutes to give me a couple tips on how to improve this. I...
18 years ago
Does this sound okay, if not how might i improve it? Thanks. In this lab the purpose states that the method of extraction is to separate and distil two different immiscible liquids, an organic layer and an aqueous layer. In this experiment an ion transfer...
18 years ago
If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride , what is the theoretical yield of acetaminophen in moles? In grams? p-amino. - MW: 109.13g aceta. - MW: 151.16 g ** I just forgot how to do this, I know it's probably REALLY sim...
18 years ago
why is it easier to remove excess acetic acid from the products than excess isopentyl alcohol? from the products of what? Did you perform an experiment in class and this is one of the lab questions? If so you will need to explain what you did in some deta...
18 years ago
Why is life based upon the cell? More or less, why are cells necessary for life? Is there a limit to how large a cell can be? ** If anyone can help or just give me an idea to go on for this it would be helpful! Even a good site to start research! THANKS!...
18 years ago
Consider what this rule might mean to businesses, particularly those that contract with the government. Consider, for example, a store or outlet that purchases federal/military surplus. What provisions might they need to include in a contract that might n...
18 years ago
A freind of yours brings up the idea that, if a person's gene were all identified and sequenced, he would be able to tell everything about that person: what they look like, how they might act, even how they will progess in life, and how long they would li...
18 years ago
Formula for calculating cubic feet. length(in feet) x width(in feet) x height(in feet) = volume in cubic feet. Thank you DrBob That's for a cube or four sided regular figures. For a cylinder, it's pi*(radius<sup>2</sup>)*height and there are other formula...
18 years ago
Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten...
17 years ago
Reading the book Twilight by Stephenie Meyer. Will have to write book report in class 11/13/07. Has anyone read the book and written a book report on it.
17 years ago
Name all the land features such as mountains, plains, deserts etc.
17 years ago
Why did King George III taxed the colonists?
17 years ago
How do scientists separate aniamals into classes?
17 years ago
Hello! Please help me out here. How do you find the circumference of something when you of 13in as your radius? Please answer this question.
17 years ago
If f(x)=4x-5 find the value. f(c) f(3a2)
16 years ago
An upright spring which is normally 3 m is compressed 2.3 m and a 2 kg block is placed on it. When it is 5 meters above the ground it is going 10 m/s. What is the spring constant of the spring? How high will the block travel?
16 years ago
Maria left the starting line at 8:30 a.m. and drove at an average rate of 40 mph. What time did she arrive at check point 1?
16 years ago
A small block of mass 5 kg initially rests on a track at the bottom of a circular, vertical loop-the-loop, which has a radius of 0.8 m. The surface contact between the block and the loop is frictionless. A bullet of mass 0.7 kg strikes the block horizonta...
16 years ago
Can some body help me to explain how DNA is formed?
16 years ago
I need to find the missing length of a right angle if one side is 7 and one is 25?
16 years ago
Write 116 2/3 as a fraction or mixed number.
16 years ago
% increase in mean population from 1950 = 2,556,000,000 to 2000 = 6,279,000,000 =
16 years ago
The typical ratio for a carbohydrate is a) CHO b) C2HO c) CH2o d) CHO2
16 years ago
THis is also known as an alchohol. a)hydroxyl group b) amino group c) phosphate group d) carboxyl group
16 years ago
Is The factors of 385 = 1,5,7,55,77,385?
16 years ago
They are__________Mol of carbon atoms in 4 mol of Dimedthysulfoxide A: 2 B: 6 c: 8 D: 4 E: 3 My answer is C:8 but can any one help me with the method to show the right answer. 2. There are ___________Sulfur atoms in 25 molecules of c4H4S2. My answer is 50...
16 years ago
First Estimate the answer. Then find the exact answer. Simplify your answer if possible. 2*1/3*15
16 years ago
Lithium hydroxide reacts with carbon dioxide as follow. 2LiOH + CO2________ Li2CO3 + H2O What mass (in grams) of Lithium hydroxide is need to react with 11 g of carbon dioxide?
16 years ago
Would someone please tell me how to solve these two problems? Find the indefinite integral: x(x-1)^5 dx (v^2)(1-v)^6 dv
15 years ago
: When the mass hits the pile, it has kinetic energy. This energy is transformed into other forms of energy as the speed of the falling mass rapidly reduces to zero. As this happens, the pile is forced a small distance into the ground. question: Explain h...
15 years ago
1.predict and expalain the order of melting point for propanol, butane, and proanone with refernce to their intermolecular forces. 2. The element sodium, aluminum, silicon, phosphrous, and sulfur are in periods 3 of the periodic table. Decribes the metall...
15 years ago
.predict and expalain the order of melting point for propanol, butane, and proanone with refernce to their intermolecular forces.
15 years ago
1.Use the Vsepr theory to predict and explain the shape and bond angle of each of the molecules SCI2 and C2CL2. 2.Deduce whether or not each molecule is polar, giving a reason for your answer...Any help please??
15 years ago
1. Which two elements react vigorously with each other? A: Chlorine and lithium B:Chlorine and potassium C:iodine and lithium D:iodine and potassium my answer is B 2. which statement about electronegativty is correct. A: Electronegativity decrease across...
15 years ago
Trains A & B are traveling in the same direction on parallel tracks. Train A is going 60mph and Train B at 80mph. Train A passes a station at 6:25 am. If Train b passes the same station at 6:37, what time will B catch up with A? The answer I received is:...
15 years ago
Media service charges $20 for a phone and $30/month for its economy plan. The equation c=30t +20 describes the total cost,c, of operating Media Services phone for t months. A) The total cost for 8 months of service is? My answer $260 If a customer has onl...
15 years ago
The width of a rectangle is fixed at 16 cm. What lengths will make the perimeter greater than 78cm? Would the answer be 23 because 16*2+23*2=78cm or would the answer be 24. Because the perimeter is greater than 78cm
15 years ago
How can the actions of urban elites help explain the Great Recession?
15 years ago
Having trouble determ the formulas for the follow problems. 2. If an automobile travels at 30 km/hr. for 2 hours, how far does it go? 60 km 3. At time = 0 an automobile already traveling at 30 km/hr. accelerates at 3m/s2 for 2 seconds. During these two se...
15 years ago
How does a derivation differ from an experiment or a theory?
15 years ago
I am an odd multiple of 50p. My number of £s is double 18. What am I?
15 years ago
Where should most of the mass be for an industrial fly wheel? Why? can't find any thing about this in my book. need help answering this.
15 years ago
A buffer prepared by mixing equal amounts of the salts Na2HPo4 and NaH2PO4 to give a total phosphate concentration of 0.1M. What is the concentration of Na ions? I believe it is 0.3M but am having trouble understanding why when I write out the dissociatio...
15 years ago
According to table 1.3, what volume of iron would be needed to balance a 1.00cm3 sample of lead on a two pan laboratory balance? Table 1.3 shows densities g/cm3 such as iron=7.87g/cm3 and lead is 11.4g/cm3
15 years ago
how much would a 80.0kg person weigh on mars if the acceleration of gravity is 3.93m/s2
15 years ago
how much would a 80.0kg person weigh on earth where the acceleration of gravity is 1.63m/s2
15 years ago
There is also a lot of companies that report their federal taxes using the accrual basis and their state taxes on the cash method. Why do you think a company would want to do this?
15 years ago
A chain composed of four identical links is suspended by a rope and does not move. What are the forces on each chain? (include where they come from)
15 years ago
A square made by a length of string 8 cm long is reshaped into a circle. What is the circumference of the circle
15 years ago
f(x)=ax+b f(-2)=27 and f(1)=15 find the value of x when f(x)=-5 how do you work this out?? thanks so much
15 years ago
Hi! is my answer correct? Consider the following chemical reaction: H2 (g) + I2 (g) <> 2HI (g) At equilibrium in a particular experiment, the concentrations of H2, I2, and HI were 0.15 M, 0.033 M, and 0.55 M, respectively. The value ofKeq for this reactio...
14 years ago
Two boxes are similar. The larger box has a volume that is 64 times the volume of the smaller box. What is the ratio of the larger box's height to the smaller box's height? write the fraction as a decimal
14 years ago
what are the coordinates of the points at which the slope of the function with the equation y = x^4 - 8x^2 is equal to zero ?
14 years ago
A student of weight 990 N was sent to another planet called Nerdland. If Nerdland has a mass that is three times the mass of the earth and a radius that is half the radius of the earth, what would be the mass in kg of the student when on Nerdland?
14 years ago
The surface area of a cylinder is 200cm. The diameter is equal to the height. Find the radius.
14 years ago
What volume of dry hydrogen would be produced under standard consitions when 0.250g of magnesium reacts with excess HCl?
14 years ago
What is the average current through a conductor that carries 4 375C during a 2 min time period?
14 years ago
A gas has a volume of 50.0 cm3 at a temperature of -73°C. What volume would the gas occupy at a temperature of -123°C if the pressure stays constant
14 years ago
Calculate the number of moles of FeSO4 in 25cm3 of a 0.2mol dm3 solution
14 years ago
solve by the elimination method: 9x-9y=18 7y-3x=-8 please solve step by step thank you for your help
14 years ago
What is the maximum total force exerted on a 78 kg astronaut by her seat during the launch of the Space Shuttle?
14 years ago
Radio waves travel at the speed of light, which is 3.00 108 m/s. What is the wavelength for a FM station broadcasting at 105.9 MHz (the prefix M is "mega" and means 106)?
13 years ago
How long is a wavelength of infrasound with a frequency of 4 Hz?
13 years ago
What is the fundamental frequency for a 62 cm banjo string if the speed of waves on the string is 470 m/s?
13 years ago
If I borrowed $78,000 from a bank and had perfect credit; How much interest would I have to pay in Dollars and cents? The loan is for 7 years
13 years ago
If Galileo and his assistant were 16 km apart, how long would it take light to make the round-trip? How does this time compare with reaction times of about 0.4 s?
13 years ago
What minimum strength of magnetic field is required to balance the gravitational force on a proton moving at speed 6*10^6 m/s?
13 years ago
Find a confidence interval for ƒÊ assuming that each sample is from a normal population. a. P x = 14, ƒÐ = 4, n = 5, 90 percent confidence b. P x = 37, ƒÐ = 5, n = 15, 99 percent confidence c. P x = 121, ƒÐ = 15, n = 25, 95 percent confidence Need to s...
13 years ago
The solution to this i believe is no solution need help. -2x+2>-2x-3
13 years ago
14 metres of rope costs €9.52. If Joe bought 21 metres, how much change out of €20.00 do Joe get? Is there a shorter way of doing this other than dividing, multiplying and then subtracting?
13 years ago
The Deborah Heart Institute performs many open-heart surgery procedures. Recently research physicians at the Institute developed a new heart bypass procedure that they believe reduces the average length of recovery. The hospital board will not adopt the p...
13 years ago
I need help in Science Project. The topic is called "How does the size affect the force of magnetism". I didn't see any procedure in how to do this particular topic can you help me?
13 years ago
Do the equations x = 5y + 3 and x = 5y – 3 have the same solution? How might you explain your answer to someone who has not learned algebra? 200 words or better
13 years ago
A que ball dropped from a third floor window will reach what speed/velocity? Is that high enough to reach terminal velocity?
13 years ago
A salesperson sold 4 cars for a total value of 54,000 dollars. Her co-worker sold 8 cars for a total the value of d dollars. Write an algebraic expression that represents the combined value of the cars sold by the salesperson and her co-worker?
13 years ago
f(x)=(24x3+68x2+24x−32)/(4x3+56x2+236x+280) I need help finding the roots and the hole for this problem.
13 years ago
How do I solve x^2+4y^3=-828 at pont (-6,-6) The slope=
13 years ago
solve by elimination: 6a+2b = -48 -6a+b = 57 What is the solution set ( , )?
13 years ago
A 345N load is suspended from a cable. What is the acceleration of the load if the tension in the cable is 275N£¿
13 years ago
You have a 40 inch wheel tow 20 inch wheel to a 5 inch wheel how many revolutions does the 5 inch wheel have to make to make the 49 inch wheel rotate 1revolution?
12 years ago
Answers
The following answers were posted by visitors named Richard.
88 as well
17 years ago
Bump
17 years ago
Also, does the relatively high specific heat of water play a part in this? Because it would take large amounts of energy to raise the temperature of the sweat, therefore keeping the sweat cool.
17 years ago
But why there were The Stamp Act?
17 years ago
On my homework it said name many plains and lakes etc.
17 years ago
5+5/10=5 1/2. If you were talking about fractions you to make into the simplest form after adding the equation.
17 years ago
Thank you!!
17 years ago
You shouldn't be trying to get answers to the final here!
16 years ago
So mg=mrw^2? (and how do I find the w at the top of the loop?)
16 years ago
Wouldn't it be KEbottom = KEtop without the mgh term since there's no height at the bottom?
16 years ago
Actually, I think it should be: KE of bullet@bottom = KE of block&bullet@top + PE of block&bullet@top Is that right?
16 years ago
Your the teacher, he is the student. There said, your in charge and he isn't. Assuming, you don't to anything that violates your teacher to student relationship you be just fine. My advice is to ask if it should happen again to please move, if something s...
16 years ago
thank you
16 years ago
First Estimate, and then multiply to get the exact answer. 2*4/7*7*5/11*5
16 years ago
What amount of H2(g) is produced when 12g of magnesium reacts completely with dilute HCl(aq) Mg(s) + 2HCl(aq) ------> MgCl2(aq) + H2(g)
16 years ago
a=gsin(theta) a=9.8 sin 25° a= 0.43 Uf=Ui +at Uf= 0 + a(10) Uf=0 +4.3 Uf=4.3 m/s
15 years ago
Express versus Implied Contracts. Suppose that a local businessperson, McDougal, is a good friend of Krunch, the owner of a local candy store. Every day on his lunch hour McDougal goes into Krunch¡¦s candy store and spends about five minutes looking at th...
15 years ago
Thank you for the help.
15 years ago
thank you
15 years ago
20meters
15 years ago
Hi, the £ is pound sterling and p is pence, so can be swapped for $ and c/
15 years ago
Wha?
15 years ago
The best answer is D - 6. The two negatives cancel each other out, making the sum 18 divided by 3, equaling 6.
14 years ago
Both were a cry for independence and freedom. Is that correct
13 years ago
thank you
13 years ago
4r - 10r + 24
13 years ago
(8.1 . 10^8) . (4.2 . 10^3)
13 years ago
It's all good to say that Brandon but the fact is you googled as well and came to this link. Hahahahaha
13 years ago
Oh reacts with Ca which decreases [Ca] and pushes reaction right CaC2O4<>Ca+C2O4
13 years ago
Do the equations x = 5y + 3 and x = 5y – 3 have the same solution? How might you explain your answer to someone who has not learned algebra?
13 years ago
$34,500
13 years ago
the mean is based off of 3 months. multiply it out to get the mean for a correct time period (1.5x4=6). I use the Poisson function in excel. Mean is equal to 6 and x is equal to 12 and 0. True is up to a certain number (up to 12) and false is exactly a ce...
12 years ago
I got #1 C, #2 D and #3 $6.50?
11 years ago
Was #1 correct?
11 years ago
My first guess was A but then i read B this is confusing
11 years ago
ummm A?
11 years ago
Math
11 years ago
please help asap
11 years ago
Roberto Wins- 1/4 Roberto Loses- 3/4
11 years ago
Your question is confusing. Please go further in detail.
11 years ago
Sorry, there was a typo. *51 degrees opposite the 150 cm side.
11 years ago
Time for asteroid = (RadiusEarthOrbit/RadiusAsteroidOrbit)^3/2 * Time for Earth Ta= (475/150)^3/2 *1 = 5.54 yr
11 years ago
According to the question:the hill rises at 37.7m to the vertical [y-axis] and 100m to the horizontal[x-axis] in the process a right-angle triangle is obtain and an angle of 90 is also obtain. 90 is the angle inclined at the horizontal
11 years ago
Thanks! I should have mentioned this in the question, but the answer sheet asks for two values of angle A rather than 1.
11 years ago
Oh nvm thanks Damon.
11 years ago
And steve sorry I didn't read the whole answer.
11 years ago
Let "m" be the number of modern rockers. INEQUALITY: 15c+12m<=3000, c>=0, m>=0
11 years ago
Nice one!
10 years ago
Sell it and get a proper PC.
10 years ago
Twice Brayton's age increased by 5 resuts in 49
10 years ago
How do you account for the 1/16 inch cuts?
10 years ago
Would you add the 1/16 inch to the 8 1/2 inch to account for each cut and then divide by the 32 FT 10 1/2 inch? or what? I'm confused on how to go about doing the problem.
10 years ago
34J
10 years ago
Mass on moon = mg. = 70 kg × 0.17 =11.9 N.
10 years ago
0.4
10 years ago
Sorry I got 91.46 and 274.379. You were supposed to add 1/2 wavelength for the second value but why can't you add 1 whole wavelength especially since destructive interference is 1/2 wavelengths, 3/2 wavelengths, 5/2...etc.?
10 years ago
1.50
9 years ago
Answer is 18!!!!!
9 years ago
U cn b a social worker,psychologgy an lawyer but the requiriments for this,u mst have a bachelor degree
9 years ago
so whats the answer,
9 years ago
t will not change. It will continue in the same direction at the same speed.. Science Fusion Houghton Mifflin Harcourt.
9 years ago
13m
8 years ago
Haha I love how you can just cheat in home school
8 years ago
B,C,D I got a 100
8 years ago
A D C I got a 100
8 years ago
Thanks reed
8 years ago
A A C B Thank me later
8 years ago
yo bro I need the answers imw at behind and need to catch up
8 years ago
35
7 years ago
A copper Calorimeter of mass 150g,was half-filled with water of mass 300g and a temperature of 0°C.5g of ice of mass 0°C was added to the content, later some quantity of steam was passed into the mixture and the temperature rose by 20°C. Calculate the qua...
7 years ago
2t-5=7 2t=7+5 2t=12 t=12/2 t=6 I hope you loved the answer!
6 years ago
Please explain how and why bobpursley
6 years ago
Thanks
6 years ago
Okkkk, lemne check it out!! Does this site have an application???
6 years ago
could not find the answer on google..... I'm tired, and I have to present this to my teacher in the next 6 hours.... ugh!!!!
6 years ago
Hi Damon, Where did you get the value 900 from?
6 years ago
Ah I see, that's part of completing the square.
6 years ago
1.066 x 10^5
6 years ago
7n+1/4 = 9 Is the same as 7n+1/4 = 9/1 Cross multiply 7n+1 = 36 Substract both sides by 1 7n+1-1 = 36-1 You end up with 7n = 35 divide both sides by 7 7n/7=35/7 You get n = 5
6 years ago
Use V=square root of FL/M. You can get your F from F=ma and L=e/k
6 years ago
1.F 2.T 3.T 4.T 5.T
6 years ago
Dr. Mathews is licensed in the state where she resides as a general practitioner and orthodontist. The local health clinic peer review staff will allow her to practice only orthodontia on only Mondays and Fridays. They already have two full-time general d...
5 years ago
The best representation of the "rags to riches" stories of the American Dream would be the dime store novels of Horatio Alger. That literally was his major theme throughout his work. The correct answer should be C. Twain's "Gilded Age" was more about econ...
5 years ago
If anyone actually cares about knowing why "common men" is correct I'll clue you in. Jackson was a proponent of slavery and considering all Native Americans mindless savages based on his frontier history and experience in multiple Indian wars. He also con...
5 years ago
r= 2Gm/c^2 rc^2=2Gm c^2=(2Gm)/r c=+or- sqrt[(2Gm)/r] c= sqrt[(2Gm)/r] (the speed of light is positive)
5 years ago
I do agree both of the students have solid points
5 years ago
But thats only assuming that both angles are are equal in measurement. You can't assume vertical angles are equal in measurement unless it is specified, which in this case, they are not.
5 years ago
Peace Love Faithfulness
5 years ago
I want to give my grandma a gift for her birthday. *
4 years ago
M=o.o5 + o.1d
4 years ago
If you can't solve that just give up on life man.
4 years ago
Won 28 Lost 14
4 years ago
Won 28 Lost14
4 years ago
Based on the course catalog, UC Berkeley offers 15 science majors, 9 arts majors, and 12 math majors. What is the probability that a new student randomly picks a major which is not a math major?
4 years ago
Fjbg
4 years ago
The answer is H3O+(aq) +OH(aq) ==>2H2O
4 years ago
21
4 years ago
what would the expression be? you just solve it and get what each variable equals to.
4 years ago
301
4 years ago
Answer is 301
4 years ago