Kyle

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

Questions

The following questions were asked by visitors named Kyle.

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<...

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 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.

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...

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

A 2.2 kg rock is released from rest at the surface of a pond 1.8 m deep. As the rock falls, a constant upward force of 5.0 N is exerted on it by water resistance. Let y=0 be at the bottom of the pond. Calculate the nonconservative work, Wnc , done by wate...

would you use centimeter or millimeter for width of your finger

how do I solve; two parallelograms have the same base length. The height of the first is half the height of the second. What is the ratio of the area of the smaller parallelogram to the area of the larger one?

i need to find the amount of gallons of different water heights on a Horizontal tank with Elliptical Cross-Sections minor axis height is 4 minor axis length is 6 tank length is 16

During a rescue operation, a 5600-kg helicopter hovers above a fixed point. The helicopter blades send air downward with a speed of 69 m/s. What mass of air must pass through the blades every second to produce enough thrust for the helicopter to hover?

You are holding a shopping basket at the grocery store with two 0.69-kg cartons of cereal at the left end of the basket. The basket is 0.90 m long. Where should you place a 1.8-kg half gallon of milk, relative to the left end of the basket, so that the ce...

Two air-track carts move toward one another on an air track. Cart 1 has a mass of 0.34 kg and a speed of 1.1 m/s . Cart 2 has a mass of 0.68 kg and a speed of 0.55 m/s .

Two air-track carts move toward one another on an air track. Cart 1 has a mass of 0.34 kg and a speed of 1.1 m/s . Cart 2 has a mass of 0.68 kg and a speed of 0.55 m/s. Calculate the system's kinetic energy.

In a nuclear reactor, neutrons released by nuclear fission must be slowed down before they can trigger additional reactions in other nuclei. To see what sort of material is most effective in slowing (or moderating) a neutron, calculate the ratio of a neut...

Rank the following solutions in order of decreasing [H3O^+]. .10 M HC2H3C2 .10 M HC6H5O .10 M HF ,10 M HBr I think the correct order is: HBr>HF>HC2H3C2>HC6H5O am i right?

Determine the pH of each of the following solution. a solution that is 5.8×10^−2 M in HClO4 and 2.6×10^−2 M in HCl

Amphetamine (C9H13N) is a weak base with a pKb of 4.2. Calculate the pH of a solution containing an amphetamine concentration of 215 mg/L. I calculated the molarity as 1.58*10^-3 and the Ka as 1.58*10^-10. I did ICE and i got the pH as 6.3, but it was wro...

(c22p46) A light ray of wavelength 589 nm is incident at an angle θ on the top surface of a block of polystyrene surrounded by air. PART 3: Find the maximum value of θ for which the refracted ray will undergo total internal reflection at the left vertical...

Determine the pH of each of the following solutions. 0.21 M KCHO2 0.19 M CH3NH3I 0.19 M KI I'm not sure how i should set up the ice chart, and what Ka I should be using for the solutions

Solve an equilibrium problem (using an ICE table) to calculate the pH. a solution that is 0.205 M in CH3NH2 and 0.110 M in CH3NH3Br. i used th Ka of CH3NH2 and set up the problem as Ka=[H3O][CH3NH2]/[CH3NH3Br], but that was wrong. So i switched the equati...

If the same volume (130-mL) of the buffer were 0.265 M in NH3 and 0.400 M in NH4Br, what mass of HCl could be handled before the pH fell below 9.00? I used the henderson-hasselbalch equation to solve this. i set it up as 9=9.24551+log((0.03445-x)/(0.052+x...

A fish takes the bait and pulls on the line with a force of 2.6 N. The fishing reel, which has a friction clutch that exerts a restraining torque of 0.043 N*m, is a cylinder of radius 0.055 m and mass 0.81 kg. A)What is the angular acceleration of the fis...

A cylindrical glass is 13cm tall and has a radius of 4cm. What is the volume of the glass in cubic cm? What is the volume of the glass in liters if 1cm is equal to .001 liter?

A particle of mass m0 is given a kinetic energy equal to one-third its rest-mass energy. How fast must the particle be traveling? please include units

find the percent increase in the population between 1950-2000. 965,000,000 in 1950 2251,000,000 in 2000 I tink it is 2251 / 965 = 2.33 = 233% Is ths right or did I do my math wrong

Estimate the value of the equilibrium constant at 550 K for each of the following reactions. 1) 2CO(g)+O2(g)--->2CO2(g) 2) 2H2S(g)--->2H2(g)+S2(g) i used the equation K=e^(delta G/RT) for the first problem and got K=1.40*10^-49 but it was wrong. Is there...

An electrochemical cell is based on the following two half-reactions: Ox: Sn(s)--> Sn^2+(aq, 1.70 M)+ 2e Red: ClO2(g, 0.220 atm)+e --> ClO2^-(aq, 1.80 M) Compute the cell potential at 25 C. I think I'm supposed to use the Nernst Equation for this, but I d...

If p is an integer, which of the following must be true about 4p+7? a) it is odd b) it is even c) it is greater than 7 d) it is greater than p e) it is divisible by 11

How many different positive four-digit integers can be formed if the first digit must be 2, the last digit cannot be 0, and digits may be repeated? a) 336 b) 900 c) 1000 d) 9000 e) 10000

If a pyramid is sliced by a plane parallel to the base of the pyramid and that plane bisects the altitude of the pyramid, what percentage of the volume of the pyramid lies below the slicing plane?

From a window in room 7, one can observe the front door of Phillips Hall, which is about 45 yards away. A turn of the head trough an angle of 63 degrees in a counterclockwise direction enables one to see the front door to Jeremiah Smith Hall which is abou...

Four identical metal spheres, each with radius 6 cm, are melted and reshaped into one big sphere. Fine the radius of the new sphere.

Smyrna and Marietta are 35 mi apart. A car takes 45 min to go from Exeter to Manchester. The return trip takes 35 min. a) determine the average SPEED of the car for the round trip. b) determine the average VELOCITY of the car for the round trip

Lauren was playing hockey and took a 90 km/hr slap shot at the goal, 10 m away. If the goalie must move her glove 0.50 m to stop the puck, and her reaction time is 0.18 seconds, how fast must she move her glove?

How would I write a thesis statement for a reflective essay on that many things.. im confused What character (s) was your favorite? Why? What character (s) did you dislike? Why? Do any of the characters remind you of yourself or anyone you know? Exp...

An airplane can reach a takeoff speed of 45 m/s (from rest) in 7.0 seconds. What is the minimum runway length required for a safe takeoff?

A car brakes, changing from 18 m/s to 6.0 m/s in 3.0 seconds. How far did it travel in this time?

A hare is resting behind a rock, when he suddenly sees a tortoise cruising by at a constant 4.0m/s. The hare, literally at rest initially, decides he must catch up with the tortoise, to save face. So, he accelerates uniformly to 6.0m/s in 4.0 seconds. Onc...

Water (2690 ) is heated until it just begins to boil. If the water absorbs 5.29×105 of heat in the process, what was the initial temperature of the water?express answer in Celsius.

An unknown substance has a mass of 17.3 . When the substance absorbs 1.557×102 of heat, the temperature of the substance is raised from 25.0 to 45.0 . What is the most likely identity of the substance?

f 89 of heat are added to a pure gold coin with a mass of 15 , what is its temperature change? Specific heat capacity of gold is 0.128 .

Suppose that the KMnO4 (aq) were standardized by reaction with As2O3. As2O3 + MnO4- + H+ +H2O yields H3AsO4 + Mn2+ (not balanced). If a 0.1322-g sample that is 99.16 % As2O3 by mass had been used in the titration, how many milliliters of the 0.02140 M KMn...

Between which two orbits of the Bohr hydrogen atom must an electron fall to produce light of wavelength 434.2 ?

How do you solve this? (3x+2)(3x^2+5x-4)

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