Kyle

This page lists questions and answers that were posted by visitors named Kyle.

Questions

The following questions were asked by visitors named Kyle.

Factor 2ab(c-d)+10d(c-d) I would like to know how to do this. Thanks. (c-d) is a common factor, so you pull it out: (c-d)(2ab + 10d) Oh, then you can pull a 2 out: (c-d)(2)(ab + 5d) Thanks! you're welcome!! What do the letters stand for tell me @ I will t...

Factor m^2-k^2+6k-9 ^2 means squared. I don't know any other way to type it. Thanks. Seems to me you can only do this in 2 pieces...factor the first 2, then the last 2... (m+k)(m-k) + 3(2k+3) Whadya think? hmmm... I looked in the back of the book and it s...

Factor m^2-k^2+6k-9 ^2 means squared. The answer is (m-k+3)(m+k-3) I want to know how to get that. Thanks. Look at this: m^2 - (k^2 -6k + 9) m^2 - (k -3)^2 Now that is the difference of two squares... Thanks!!

Hi, I am having trouble determining the correct answer for this question. Which one of the following decay modes has not been observed? A)neutron emission B)Positron emission C)Alpha emission D) electron capture I don't know what does it mean be "observed...

I need a 14 letter word, the 4th letter is an o for a crossword puzzle that is a drug that slows down body functions, including breathing and brain activity. Thanks Thank you for using the Jiskha Homework Help Forum. Hopefully, you are looking for: chlorp...

What are some analogies for Endoplasmic reticulum and Nuclear Reticulum Go here for endoplasmic reticulum http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=Endoplasmic+reticulum+is+like&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr...

Which statement best describes how states derive powers from the U.S. Constitution? 1. The Constitution does not mention anything about state powers. 2. The Constitution only grants states the power to levy taxes and regulate commerce. 3. The Constiution...

I have this question on an assignment and I need help. Many believe that political parties are incapable of serving as an avenue for social progress because: A. party positions change so frequently. B. the leaders who draft party platforms are generally o...

A/An__________ is a citizen who is involved in the political process and only supports canidates who want to enact laws that would allow prayer in public schools. Is this a candidate activist or a issue activist? I'm thinking this is an issue activist, am...

The "executive privilege" that relates to the right of the president to keep communications confidential is best described a/an: A. power that is only applicable to matters of national security. B. absolute power that applies to all communications that a...

A golfer hits a ball off the ground with an initial velocity of 200 ft/s at an angle of 23 degrees. The green is 750 feet away. Will the shot make it to the green? State by how much it makes or misses the green.

A golfer hits a ball off the ground with an initial velocity of 200 ft/s at an angle of 23 degrees. The green is 750 feet away. Will the shot make it to the green? State by how much it makes or misses the green. What is the vertical velocity? 200*sin23. A...

Solve the compound inequality -1 < X - 2 LESS THAN OR EQUAL TO 7 Your problem: -1 < x - 2 ≤ 7 Add 2 to all three quantities to get x by itself: -1 + 2 < x - 2 + 2 ≤ 7 + 2 1 < x ≤ 9 Solution set can be expressed this way using interval notation: (1, 9] -1<...

Please help - I don't know where to begin. My problem is this: Find the numbers "Y" and "Z" if (1 and 3/5 times "Y") + (3/5 times "Z") = 5 AND (1 and 3/5 times "Z") + (3/5 times "Y") = 6. Thank You! change 1 and 3/5 to another fraction: 8/5 so the equatio...

Is "a bark of rust" a metaphor? I need to analyze the poem New Hampshire by Donald Hall and the line I'm having difficulty with is: "a bark of rust grows on the tree of a gas pump;" Thank you! yes, that could be a metaphor

what poetic term is "a quarrel of vines"? Thank you! That could be a metaphor Thank you so much for your help!

How many moles of propane are expected from the complete reaction of 82.8 g of propene? How many grams of propane are expected from the complete reaction of 101 g of propene? Kyle-- Here is a problem I worked last night for Kira (about half way down the p...

a force of 10 N holds an ideal spring with a 20-N/m spring constant in compression. The potential energy stored in the spring is..? 0.5J, 2.5J, 5.0J, 10J, or 200J? POtential energy? Wouldn't it be 1/2 kx^2, but x= F/k, so 1/2 kx^2= 1/2 k*F^2/k^2 and that...

How do you find the area of a triangle using Polynomials?

what does confederate system of the governemnt mean

what ecological changes would occur before a primary succession site is capable of sustaining a white spruce forest?? i understand what primary succession is...

Conrad Beach and its forest site it is a good example of an area that has undergone primary succession. The first step of the process of the primary ecological successions that have occurred at Conrad Beach is that mostly grass and some herbs and mosses w...

how would you differentiate ln ln ln x, and what would be the domain??

I need help on a washington state bill for my class and I have to eithe be for or against it. this bill is caled initiative 960 and it concerns taxes.I need this report done and I am stuck. if you anser this thank you so mutch.

In 39.0 s, a pump delivers 549 dm3 of oil into barrels on a platform 22.0 m above the pump intake pipe. The density of the oil is 0.82 g/cm3. (a) Calculate the work (kJ) done by the pump (b) Calculate the power (kW) produced by the pump W = Fd --> W = mad...

I'm stumped. Would someone please guide me? The question is: 175% of a number is 50. What's the number? Thank you!

I'm trying to find an answer to this question.. Search and find three other contributors to the field of Marxist or neo-Marxist (new Marxist) research... I've been searching for hours with no luck!! Someone please help!

After the fuel is turned off, the rotor of a jet engine decelerates under the action of air friction, which depends on the square of its speed, and constant bearing friction. Thus the deceleration is written as b + c * w^2, where b and c are constants and...

Alphabetically, which comes first- he's or here's?

The so-called "Critical Period" in American History can be viewed as historian John Fiske said; as "the most critical time in all American history... including the Civil War": or, may be viewed as a period of transition and some accomplishment. To what ex...

Calculate the density if the mass of a solid material is measuered as 15.00 grams and its volume is measured as 5.0cmCUBED?

solve for x 2 - 5x = -1 - 4x

English puritanism include the following excluding 1: 1. stubborn non conformists 2. outright separatists 3. zealots for de catholicizing the anglican church 4. worshipers satisfied with the progess of the reformtion I think it is 4

The primary goal of the virginia company was to: a. christianize the natives b. discover gold c. expirement with tobacco d. establish a new nation i think it is B

the great awakening had all these effects on black americans except: 1. blacks began to be christianized 2. black leadership developed in the persons of black preachers 3. revivalists taught the spirtual superiority of white men 4. whites sought distincti...

the two earliest attempts of the english at colonization in america failed because of: 1. the weakness of the join stock compnay 2. the hostility of spain 3. inadequate financial resources 4. lack of distinguished leadership i think it is 3

Find the density of an 8lb weight?

What US state can be compared in size to the island of Hispanoila

When 0.0500 moles of HCL is reacted with 0.0500 moles of NaOH in 50.0 mL of water, the temperature of the water increases by 13.7 degrees C. Caclulate the heat for this reaction in terms of joules per mole of HCl. The heat capacity of the system is 209.2...

What is the quantity of heat evolved when 111.9 grams of H2O(l) is formed from the combustion of H2(g) and O2(g)? H2(g) + 1/2 O2(g) --> H2O(l) Delta Ho = -285.8 kJ A. -0.4 kJ B. 1776.7 kJ C. 0.4 kJ D. -1776.7 kJ E. -6.2 kJ

Solve for the function y. dy/dx = xe^y, when y(1)=0 I got as far as: e^-y dy = x dx But then how do you continue from there?

What formula is this? (x1+x2/2, y1+y2/2)?

I am making a NaCl solution. What are the steps in calculating and weighing out NaCl for a 4 M solution.

Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. H-O-H and C-O-H bond angles are all equal to 1095. B. Two lone pairs of electrons are assigned to the oxygen in each Lewis structure of all three molecules. C....

A particular household ammonia solution ( d= 0.97 ) is 6.8% NH3 by mass How many milliliters of this solution should be diluted with water to produce 600 ml of a solution pH= 11.65?

ELEMENTARY ALGEBRA #3 Page 23 Chapter 3 Lesson 3.02 Solving Multi-step Equations Reading Assignment: Study pages 126 – 129 Written Assignment: There are five steps to solve Multi-Step equations, Match them in their proper order. Step 1 Undo multiplication...

A serving of cereal has 800 cal (1 cal = .239 J). How far can you walk with this energy? Is the elapsed time important? Why is t his calculation irrelevant to physics?

A tall glass (20cm) is floating in your bathtub. It weighs 60 grams and has a bottom area of 10cm^2. How deep will it sink into the water, while it is still empty and how much water can you add to make it sink?

A cube of ice weighing 18 grams sublimes into vapor. How many liters of gas will you get?

Which binomial is a factor of 3x^2+2x-5?

How do you do this? Which binomial is a fctor of 3x^2+2^x-5? A: 3x-1 B: x-1 C: 3x-5 D: x-5 I know you tried to help but it wasn't right but thanks.

Can someone please help me make a biography of a person about there old high school? Ok I'm interviewing a person about his life at his old high school. I've split it into 4 steps. Introduction Transcript Conclusion Introduction: It should be a life story...

What questions could you ask a person about there life story if you had to interview them?

What do think I'll learn by interviewing a teacher about their school? Here are the questions I asked the teacher: Kearsney is the name of the school Where and when were you born? How would you describe your childhood? What was your ambition growing up? W...

Atomic physicists ignore the effect of gravity within an atom. To see why, Calculate and compare the gravitational and electrical forces between an electron and a proton separated by 10^-10 m.

Draw the most important resonance contributor of the following structure? I'm confused on this one o / \ double bond -> \\ / - CH+

A solution contains Cr+3 ion and Mg+2 ion. The addition of 1.00 L of 1.55 M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 49.8 g. Find the mass of Cr+3 in the origin...

Need an answer in Spanish to a spanish question! Que vas a hacer despues de las clases hoy?

I need an answer to my question in spanish Que vas a hacer despues de las clases hoy?

You wish to make a 0.200 M solution of NiSO4 (aq). How many grams of NiSO4 * 6H2O should you put in a 0.500 L volumetric flask? The answer is 26.3 g NiSO4 * 6H20 but I am not sure how to get there.

Ozone is depleted in the stratosphere by chlorine from CF3Cl according to the following set of equations: CF3Cl + UV Light ---> CF3 + Cl Cl + O3 ---> ClO + O2 O3 + UV Light ---> O2 + O ClO + O ----> Cl + O2 What total volume of ozone measured at a pressur...

Suppose a 0.17-kg billiard ball is rolling down a pool table with an initial speed of 4.5 m/s. As it travels, it loses some of its energy as heat. The ball slows down to 3.5 m/s and then collides straight-on with a second billiard ball of equal mass. The...

What's the equation for the formation of NO2(g) from its elements in its standard states? What's the equation for the formation of BF3(g) from its elements in its standard states? What's the equation for the formation of C2H5OH(l) from its elements in its...

When 10.00 g of iron is burned in O2(g)to form Fe3O4 (s) , enough heat is generated to raise the temperature of 784 g of water from 18.0 C to 38.0 C. Calculate the heat of formation of Fe3O4 (s) under these conditions in kJ/mol.

Water is exposed to infrared radiation of wavelength 3.0×10^−4 cm. Assume that all the radiation is absorbed and converted to heat. How many photons will be required to raise the temperature of 1.7 g of water by 2.2 K?

The presence of oxygen atoms on the surface results in auger electrons with a kinetic energy of approximately 505 eV. What is the de Broglie wavelength of this electron? [KE= (1/2)mv^2; 1 electron volt (eV) = 1.602*10^-19 J]

Use two points on any horizontal line to illustrate why a horizontal line has a slope of 0...I'm really confused. Can anyone answer with an explanation?

Arrange the following substances in order of decreasing magnitude of lattice energy. KCl NaF SrO BaO

Determine the molar mass of the unknown acid.? A 0.167-g sample of an unknown acid requires 27.8 mL of 0.100 M NaOH to titrate to the equivalence point. Elemental analysis of the acid gives the following percentages by mass: 40.00% C; 6.71% H; 53.29% O.

What is an Assyrian Library?

The vapor pressure of nitrogen at several different temperatures is shown below. Temperature (K) Pressure (Torr) 65 130.5 70 289.5 75 570.8 80 1028 85 1718 1. Use the data to determine the heat of vaporization of nitrogen in kJ/mol. 2.Determine the normal...

A student wants to run an experiment to determine how the distribution of mass (location of mass) affects an object`s rotational velocity. For this experiment the student picks 3 rings. One is a wood ring (like a hula-hoop) with all of its mass at the out...

How do I solve: write 45.6 as a percent and a fraction in simplest form.

A glacier moves about 12 inches every 36 hours. About how far does the glacier move in 1 week?

I'm still needing some help knowing how to work this proportion. A glacier moves about 12 inches every 36 hours. About how far does the glacier move in 1 week? Is it 12 in / 36 hrs = x/week (in hours)

I get it now! Thanks everyone!!!

An aqueous solution contains 8.7% NaCl by mass. 1. Calculate the molality of the solution. 2. Calculate the mole fraction of the solution.

A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 241 torr. Pure pentane and hexane have vapor pressures of 425 torr and 151 torr, respectively, at room temperature. What is the mole fraction of...

I need help finding the answer In the US about 46% of the population wear glasses or contact lenses. A sample of 85 people is taken. About how many people would you ecpect to wear glasses or contact lenses? Do I multiply .46 to 85?

how do I solve and state if it is an overestimate or an underestimate? 1.2% of 490 Do I .012 x 490 or Do I round 1.2% to 1

how to clasify by angles... x, 60 degress, 61 degrees = so I add 60 to 61 and it equals 121 so does that mean its a obtuse angle? I have one moe question, I'll post it.

There is a list of triominoes: 0,5,5... 0,1,1... 1,1,3... you get the picture. There are 10 triangles. How am I suppose find the measure of the largest angle? How many sides are congruent? I think 2 but are the talking about the entire triomino?

If the initial concentration of AB is 0.210 M, and the reaction mixture initially contains no products, what are the concentrations of A and B after 75 s? The reaction is in the second order: rate=k[AB]^2 The rate constant is k=5.4*10^2 M*s I don't unders...

Answers

The following answers were posted by visitors named Kyle.

Main Entry: primary source Part of Speech: n Definition: an original fundamental and authoritative document pertaining to an event or subject of inquiry; a firsthand or eyewitness account of an event Main Entry: secondary source Part of Speech: n Definiti...

Thank you so much!

Need homework help with health

For free Need homework help with health

i got no idea...can you help me?

"are" is the verb

i don't have a book i have do this research on the internet and this test is very very hard

no we don't but thank you for you help though

that's not really one of the choices

1.a (static friction is pushing up on the box to keep it from sliding down the incline) 2.b (static friction is pushing down on the box to keep him from moving it up the incline) ^^friction always pushes the opposite direction of the force acting on the o...

x=1 subtract x from both side. divide 3x.

i was thinking step 3,5,2,1,4 but it said i was wrong

that wasn't it i'm so confused

John Grisam is the author of "The Street Lawyer."

Yes this is right.

New Year's day occurs on January the first. Numbers under 100 need to be written out.

Julie, do you still need help?

ahh it didn't show

ahh it didn't show o / \ \\ / -CH+

I do have a picture but I can't show the url well I believe its a cyclopentdiene the number is going from the right the 1 is a oxygen and the 3 is CH+ and the double bond is located between 4 and 5

img17.imageshack .us/img17/6517/cycloo.jpg

like this? img198.imageshack .us/img198/7855/trialt.jpg

oh thank you but when I tried it seems there is another structure in which all atoms have their octet

ahh I got it the C5 and O need to be double bonded

I got 1518 kJ/mol using that equation, but I still got it wrong. Did I do something wrong?

0.04319 moles F3O4 Specific Heat Constant: 4.18 J/mol*C

Hi, actually Bob, your answer is not 30 degrees, but 60 degrees. 30 degrees does not refer to the angle inside the triangle formed by the x and y components.

sorry. Determine the molar mass of the unknown acid. Determine the molecular formula of this acid.

Can you explain how you work the problem? I know its a proportion but I don't get it?

Thank you sir. I appreciate it.

There are 3 portions. The next one is at 0.50 m and the last one is when the rock is at 1.0 m.

The first one should read HC2H3O2. yes the second one is phenol

sorry, i meant smyrna and marietta.

i don't get what you're saying.. that would work for all 5 of those things?

and is the final velocity 45/7?

Is the initial velocity 0?

which end are you looking for?

wait let me reword my question... i am having trouble clearing up my thesis. I feel like i have the idea but it doesnt set me up to write an organised paper.

if you find the decimal value for each of these you will be able to easily tell the order. for example: the decimal value for the fraction 3/4 is .75 hope this helps!

okay thanks! because i am having a difficult time writing an essay i have! but that helps thanks

okay thanks...but don't you have to use roman numerals for elements in the "d" block?

Above answer is completely wrong.. it seems he forgot that it's an initial value problem

I got the x-component to be: 10+8.66+3.42 which is 22.08. But I also have to divide that by the total time that the ant traveled, right? So that time would be 5.3? I got 4.166 when I divided it but the correct answer it supposed to be 3.19. I really don't...

Thank for you the explanation! But I'd like to ask, how come the last equation isn't V^2/g = 15.2 + 12(2Vsin45/g)?

But is centripetal acceleration the same as average acceleration? What's the point of the problem giving information about time if it's not even used in the process?

Oh okay. I think this makes sense. Thanks for the explanation! For the first Vx, how come the 5.8 is negative?

Okay I understand the problem now and I got the answer right doing it your way. Thanks a lot for the explanation. It really helped!

Sorry. It's supposed to be wall and how many walls they can paint in 1 day.

First you have to convert the miles into meters. There are 5280 feet in a mile, then there are 12 inches in a foot, then 2.54 centimeters in an inch and then 100 centimeters in a meter. So you should get ((262.4)(5280)(12)(2.54))/(100)= 422291.8656 meters...

So answer = 4540! Yes physics 221 students, this answer was brought to you by my failure to complete Mastering Physics problem and ended up pressing the show answer button

May my sacrifice be beneficial to the common good.

AB + BC = AC (2x-1)+(4x+2)=25 x=4 AB = 2(4)-1 = 7 BC = 4(4)+2 = 18

Sorry, not value.. I need an approximate length... in Angstroms.

He was buried six down and eight across

I found these web sites before but it does not tell me who it was. Please help.

Thank you Ms Sue.

I kinda wrote my equation wrong so heres a new version: y' = (0.30 cm) sin[(π/3 cm^(-1))x] cos[(55πs^(-1))t]

Thanks I got it now.

I'm having some trouble using these sites

Why did you divide .06 moles by 4? Is it because there is a 8:4 ratio of C and Co?

Oh okay. Yeah I did convert wrong. Thank you.

oh sorry the diameter is 8.4mm and the question is asking for the How much energy is transferred to her eardrums each second ?

The range away from the stage doesn't matter?

I thought I needed to do 9/10 x 7/1 which is 63/10 = 6 3/10

In 45 seconds. 9,18,27,36.45 15,30,45

They did the right work but the answer is 40 grams. That is what it says in the book.

im getting 104 hours but the correct answer is 125 hours?

bobpursley forgot to put the second mass in the equation. whenever there is a v^2/r , remember to multiply it by mass. tension[low] = mg + (v^2/r * m) tension[high] = (v^2/r * m) - mg

Shouldn't the answer be 1.62*10^4V? Unless i'm putting the numbers in wrong. Please help

Hm, I've never done integrals using that method before. I'll check it.

Ann, Mara, Jenny, Tina, and Sue are sisters. Two of the five sisters must help their father at his business each Saturday. How Many Combinations of two sisters are possible?

0.11 m, so the center of mass of that part of the chain is 0.055 m below edge. W = mgH = (0.021/3)kg*g*(0.055) = ____J notice that the kg is different.

1.d,2.b,3.c,4.a,5.a,6.c,7.a,8.d,9.b,10.b,11.c,12.b,13.c,14.a,15.b,16.b,17.d,18.c,19.d,20.b I did miss one but not sure which one it was.

look at 2 pounds as 6/3 pounds, (or 6 portions of 1/3 pound of beef.) Then you have an even number to compare with 6 cups. if you only need 1 cup, then you only need 1/3 pound of beef.

Nevermind i figured it out. 30.1 years to maximize value

Oh, ok well i came out with a pH of 5.22. pH = pKa + log A/HA. I came up with .15M as A and .05 as HA. So 4.74+log(3)= 5.22.

5. K =5 J since the only force acting on it is gravity, it's a conservative force. That means the energy is only transferred from U to KE and never lost. We use the formula: E= U + KE At its max displacement, KE=0 and E must equal U. It says that at its m...

I recently had an essay on illegal immigrants in the United States and I wrote in there about Mexican workers in the US sending money to Mexico and I got a 100 so I believe A is right.

I don't get this too, can you help me too? Im a fifth grader too so I cant do Algebra.

Sorry for a useless reply, but Kathryn, if you wrote a novel you wouldn't be using "u" and "ur"

(a) 114.147 m (b) 778.4605 m

You can compare it to the hardest thing you'll go through up to this point. You'll go through changes, get teased because of those changes, and you'll worry too much. As you go through middle school, remember this, "I can do this. I am awesome." You'll be...

Q2 answer is 3?

the factorization of 18 is 2x3x3, and the 60 is 2x2x3x5. so the question is asking the greatest so 3 is not correct? maybe 2?

i am so confused, can you teach me?

6 is the largest common factor

It is better to use fractions when it is on top of other fractions, for example 2/3+2/4 ----------- 2/5-2/6 Because then you can get a common demoninator and cancel For decimals I don't know pretty much everything else

Did you type that in right?

Did you try distributing

Ah Yes! Thank You