kevin

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

Questions

The following questions were asked by visitors named kevin.

When 1.24g of an organic compound with the formula CxHyOz is burned in excess oxygen, 1.76g of carbon dioxide and 1.08g of water vapor are obtained. What is the empirical formula of the compound? Determine the moles of CO2 in 1.76grams, that will give you...

just a quick qusetion....if a firm is both a monopoly and a monopsony. How would the profit maximizing wage and lvl of labour in the short run be determined for this firm Use the profit maximizing principals. Regardless of the existing market, a firm will...

1) A parallel plate capacitor has a potential difference between its plates of 1.2 V and a plate separation distance of 2.0 mm. What is the magnitude of the electric field if a material that has a dielectric constant of 3.3 is inserted between the plates?...

The plates of a parallel plate capacitor each have an area of 0.40 m2 and are separated by a distance of 0.02 m. They are charged until the potential difference between the plates is 3000 V. The charged capacitor is then isolated. How much work is require...

please can someone help me on main ideas/central ideas I need help on this i cant figure out the central and main idea for that passage Halloween is an annual celebration, but just what is it actually a celebration of? And how did this peculiar custom ori...

-3 + 4i in polar form in pi the magnitude is 5 from pyth theorm. Now the angle. Using i the positive real as the reference axis, the angle from it is PI/2 + arctan4/3

-2-2i in polar form = 2.8 cis 2.35?? -3+4i polar form = 5 cis 2.2??? 1 - sqaureroot(3i) polar form = 2 cis 1.04?? What is cis? never mind I have the right answers. polar form z = r (cos O + i sin O ) is also written in an abbreviated form z = r cis O cos...

z^4 + 81 = 0 (solve) change it to polar, then take the root. z^4= 81@180 z= 3@180/4 + n90 where n=0, 1, 2, 3 check: z= 3@180/4 + 3*90=3@315 z^4=81@(4*315)=81@1260= 91@180=-81 you can check it at the other roots also. this is what i did: z^4 = - 81 z (81 c...

115 cis 45* 3 solutions = 120* apart Are these correct? 115 cis 45* 115 cis 45 + 120 = 165* 115 cis (45 + 120 + 120) = 285*?? WHat is cis? cos + isin OH LOL!!!Wish I could help!LOL!But...PLease help me!!:(

y-2x=-5 3y-x=5 y = -5 + 2x 3y-x = 5 so 3*(-5 + 2x) - x = 5 -15 + 6x - x = 5 -15 + 5x = 5 x = 20/5 x = 4 y = -5 + 2 *4 y = 3

thanks BOB =) *HUGS* 115 cis 45* 3 solutions = 120* apart Are these correct? 115 cis 45* 115 cis 45 + 120 = 165* or is it (-75*) 115 cis (45 + 120 + 120) = 285*?? or (-195*)?? It's really Matthew!I found out what it is but I will help you when you help me...

How would you draw the graph of this x^2/16 + y^2 = 1 ( this is an ellipse if I'm not mistaken) I'm confused since y^2 has no value beneath it. so what would the coordinates be for this. the same problem with this one x^2/16 - y^2 = 1 ( a hyperbola correc...

I need help in working this word problem out. I need help coming up with the answer because I have no idea what so ever of how to solve this. 850 douglas fir and ponderosa pines in a section of a forest brought by Watts Tree Company. Watts Trre Company pa...

I have no clue of how to solve this. Help!! Mesha leaves home at 9 am., bicycling ata rate of 24 mi/h. Two hours later, Jeffery leaves, driving at a rate of 48 mi/h.What time will Jeffery catch up with Mesha?

How do I solve this x/3=-4? multiply both sides by 3 Please stop posting under sundry names. You are doing yourself no good. What do you mean by sundry names? What's up with you telling me this because I don't know what you mean? My name is Kevin Shaw! Th...

It's been a long time!!!! but I need to express a ratio of 5416 to 9934 in the form of 1 : x give answer to 1 dec point. All I could get was 2708 : 4967 but it doesn't appear right. 5416/9934 = 0.5452, or 1/1.83419 in 1/x format If you want the answer to...

Provide an appropriate response. On an exam on probability concepts, Mary had an answer of 13/8 for one problem. Explain how she knew that this result was correct.

Suppose you buy 1 ticket for $1 out of a lottery of 1,000 tickets where the price for the one winning ticket is to be $500. What is your expected value?

Provide an appropriate response. On an exam on probability concepts, Mary had an answer of 13/8 for one problem. Explain how she knew that this result was correct.

la langue modèle-t-elle l'étage antérieur ou postérieur du palais

les gènes les plus en aval specifient l'dentité des segments les plus antérieurs ou medians de l'embryon?

what are the properties

Identify the property of congruence. If <P = <Q, then <Q = <P. when i use the = sign just replace it with the "is congruent to" sign. The one with the little wiggly line above the equal sign.

Give the reason for the step taken from a proof. <1 is the supplement of <2---->Given <3 is the supplement of <4---->Given <2 = <4----------------------->Given <1 = <3----------------------->? a. linear pair postulate b. congruent supplements theorem c. c...

unscramble the following to make two words rveessevssur

what are the steps of the registration process form the viewpoint of front desk agent?

write the numbers of 4s in each number how many 4s in 40

What volume of oxygen gas is produced when 17.5 grams of KBrO3 decomposes? and the equation is KBrO3==>KBr+30 HELP ME PLZ

What is the significance of 13 days

Why did the soviet union feel that it was necessary to place nuclear missile in cuba? In what Asian country did the u.s. place nuclear weapons that could fire on western Russia? What waas the significance of the u-2 flight? Why did Kennedy issue a quarant...

There are 8 singers competing at a talent show. In how many different orders can the singer appear?

A school has 6th, 7th and 8th period Social Studies classes. One student from each class will be chosen to represent the school in an essay contest. The 6th period finalists are Mike, Sara, Luis and Ed. The 7th period finalists are Ben, Eric, and Sandy. T...

Hannah had dinner at her favorite restaurant. If the sales rate is 4% and the sales tax on the meal came to $1.25, what was the total cost of the meal, including sales tax and a 20% tip?

what Canadian capital did U.S troops burn down in 1813

unscramble arfzunrdon two words

Describe the biological interrelationships among the life forms in inda

What impact did the Virginia Statute for religious freedom have on the U.S government?

What was the main argument of the Antifederalists against the Constitution?

Why did Congress add the Bill of rights?

Write a balanced equation for the following reduction-oxidation reaction. SO3(2-) + MnO4(-) --- SO4(2–) + Mn(2+) can someone help me step by step??

Write a balanced equation for the following reduction-oxidation reaction. SO3(2-) + MnO4(-) --- SO4(2–) + Mn(2+) can someone help me step by step??

solve:2y^2+8y-24=0

Ca(ClO3)2 + KCl --> CaCl2 + 3O2 + KCl Mass of test tube = 7.918g Mass of KCl/Ca(ClO3)2 mixture + tube = 19.164g Mass of KCl/CaCl2 residue + tube = 18.635g What is the weight % of Ca from the Ca(ClO3)2 impurity in the original mixture?

I don't even know where to begin with this problem. multiply (2y+5w+6)(5y+5w-4)

Did I do this problem right? (2y+5w+6)(5y+5w-4) 2y(5y)+ 2y(5w) + 2y(-4) + 5w(5y) + 5w(5w)+ 5w(-4) + 6(5y) + 6(5w) + 6(-4) then I multiplied: 10y^2 + 10wy - 8y + 25wy + 25w^2 - 20w + 30y + 30w - 24 then I combined like terms: 10y^2 + 15wy + 25w^2 + 22y + 1...

kevin has $11.00 he gave terrell ave $3.00 and devin $2.00 about what fraction of his money does he have left

kevin has $11.00 he gave terrell ave $3.00 and devin $2.00 about what fraction of his money does he have left

kevin has $11.00 he gave terrell ave $3.00 and devin $2.00 about what fraction of his money does he have left about 1/4 about 1/3 about 1/2 about 2/3

integrate 1/(x^2sqrt(1+x^2)) i know you have to use trig sub but iono how to cancel out some terms...much help is appreciated

integrate log base 10 x / x dx i don't understand this

hy,i have trouble doing (x+1) with an exponent 3 on top of the parentheses and (x+1) with an exponent 4 on top of the parentheses thank you

1.If a container that is 1L has 1 mol of solid NACL , if you add more nacl will the concentration of solid increase? it should? because if you increase it to two mols it will become 2 mol/l right? so in a equillibrium system like nacl(s)--><---na+ + cl- i...

Since decomposition is an endergonic reaction. Does this mean it's reverse reaction synthesis is exothermic?

Equillibrium, an example given by my textbook confused me. First it shows a reaction inside a soft drink: co2(g)--><--co2(aq) but than it says the reaction inside a soft drink would involve solubility equillibrium because it involves a change in solubilit...

write the six-digit number that has the digit in the thousand's place, with the remaining digits being

how would you say .3481 in words?

A highway curve with a radius of 430 m is banked properly for a car traveling 115 km/h. If a 1550- kg Porshe 928S rounds the curve at 220 km/h, how much sideways force must the tires exert against the road if the car does not skid?

Brian O'Reilly earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are $150 more than that of his younger sister. She earns one quarter as much as Brian does as a tutor. How much does Brian earn as a tutor?

im learnin about y=mx+b 1.describe the line you think each equation represent Y=x, y=5, x=-3 2. The equation of a line is y=mx+2. determione the value of m when the line passes through each pint D(12.5) s(1.-3) e(-2.6) a(-5.1)

In 1754,which country claimed the least amount of land in North America

A 80- kg ice hockey player standing on a frictionless sheet of ice throws a 6.2- kg bowling ball horizontally with a speed of 2.1 m/s. With what speed does the hockey player recoil?

A ball of mass 0.35 kg is fired with velocity 157 m/s into the barrel of a spring gun of mass 1.8 kg initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring. No energy is lost to frictio...

When you put together unequal groups you can only add. Is this correct? Explain

If f(x) = 3x + 9 and g(x) = −x2, then find f(g(1)).

Find the domain of g(t) = sqrt (3t + 15.)

Solve the inequality x^2 + 7x + 12 < 0.

Suppose the cost C(q) (in dollars) of producing a quantity q of a product equals C(q) = 500 + 2q +1/5q^2 The marginal cost M(q) equals the instantaneous rate of change of the total cost. Find the marginal cost when a quantity of 10 items are being produce...

A TV reporter said that twice as many woodlands were lost this year to fire than in the preceding year. He claimed this was an increase of 200%. Was he correct?

Is anyone familiar with base ten? I need to show my work on how I received my answer. Write the numeral in base ten. 200six =532

five names for -73

The mean score on a Math exam was 50% and the standard deviation was 10%. Assume the results were normally distributed. (a) What percent of students earned a score between 50% and 70%? (b) If 60 students took the exam, how many got a score between 50% and...

prove the trig identity cos(4x) = 2-sec^2(2x)/sec^2(2x)

How is the demand curve for an item that is very responsive to price changes likely to be different from that of an item whose demand is not very responsive?

six coins are dropped on the floor. find the probability that they will all land heads up.

what statement best describes the function f(x)=2x^3+2x^2-x?

solve in terms of r:s=a/1-r

which is a valid generalization based on the information in the chart

a rectangular table top measures 4/5 of a meter long by 4/5 of a meter wide. What is the area?

What role does ovaries play in the homeostasis subject, and what other reaearch about the ovaries is currently taking place?

List at least three reasons why workers might be more satisfied with their jobs than in the past. List at least one reason why you think workers may be more motivated by job security rather than salary and benefits in difficult economic times

List at least one reason why you think workers may be more motivated by job security rather than salary and benefits in difficult economic times.

General environment – how will the forces be changing over the next three years and how will these forces impact the industry (for example, demographics – aging population)?

A worker in an automobile assembly line who chooses this type of work because of the job security it entails is said to be Intrinsically motivated Experiencing overpayment inequity Experiencing underpayment inequity Extrinsically motivated Self-actualizin...

what is a concrete noun?

three point charges are located at the corners of a right triangle where q1=q3= 5uC,Q2= -2uC and r =10cm.(angle q1 q2q3=90 and q1q3=r)

three point charges are located at the corners of a right triangle where q1=q3= 5uC,Q2= -2uC and r =10cm.(angle q1 q2q3=90 and q1q3=r)

what number is 30 more than 432?

What is the frequency of light having a wavelength of 360 nm?

A photon has a wavelength of 350 nm. Calculate the energy of the photon in joules

suppose 10 g of sulfur is reacted with 48 g of fluorine gas to make SF6, and after the reaction is complete, the temperature in the flask is 125 C. Find the partial pressure of SF6 in the flask and the mole fraction of SF6 in the 6L flack after the reacti...

What are the antiderivites of x/ (x^2 (squareroot of x^4-1)) and 1/ (1+(x^2/4)) no idea :{

find the equation of a tangent line of x^(1/4) + y^(1/4) = 4 at the point (16,16)

find the equation of a tangent line of x^(1/4) + y^(1/4) = 4 at the point (16,16)

describe the formation of a sr ion as its bons with chlorine to form SrCl2 and properties the compound will posess

fill in the blanks with the numbers so that the statement is true 2,3,4,7 (_ + _)2 + _ x _ = 53

Please help with estimate and calculate quotients. I do not understand what magnitude estimate is and to circle a box between 0.1s 1s 10s 100s examples of what i mean are 6/78.6 3/387 29.52 divided by 8 989 divided by 43 845 divided by 5 15.94 divided by...

name four concepts or subjects on which renaissance artists based their works

give two ways to show dollar to 2.65?

A matrix A is said to be skew symmetric if A^T = -A. Show that is a matrix is skew symmetric then its diagonal entries must all be 0. A^T meant to be A transpose.

A motorist drives along a straight road at a constant speed of 15.0 m/s. just as she passes a parked police officer,the officer starts to accelerate at 2.00 m/s^2 to overtake her. assuming the officer maintains this acceleration, a) determine the time it...

Answers

The following answers were posted by visitors named kevin.

describe at least two ways of finding a missing side lenght in a pair of similar figures

I hate keystone 2

the answer is LIVING IN X AISLE

unscramble the following to make two words arfzurdon

i think that several states ratified the Constitution only after they were promised that a bill will protecting individual rights would be added to it. Many Antifederalists did not think that the Constitution would protect personal freedoms.

First of all I am not the same person as before...his name was Max, my name is Kevin so i do not know that you answer this question before. Secondly, I do not know what you mean about about loss of 2 electrons, how would i use hydrogen to balance the char...

uh i don't think that's how u do it because i think you need to add and remove electrons from two separate reactions first before multiplying it out...but thank you anyway

ok I finished the problem. Is this right? 2y(5y)+ 2y(5w) + 2y(-4) + 5w(5y) + 5w(5w)+ 5w(-4) + 6(5y) + 6(5w) + 6(-4) then I multiplied: 10y^2 + 10wy - 8y + 25wy + 25w^2 - 20w + 30y + 30w - 24 then I combined like terms: 10y^2 + 15wy + 25w^2 + 22y + 10w - 2...

I tried C and it marked it wrong

I agree that people should be able to help themseleves. To have a successful life you must have the mindset of a winner. To be a winner you must have three things self-confidence, determantion, and an high education.

5. addinf water to a equillbrium system will make it more dilute and increase the volume but decrease pressure so system will shift in direction which produces more ions?

6. dilution can also decrease rate of raction because you deacrease concentration?

I meant endothermic not endergonic sorry.

carbon dioxide collide with the liquid solvent and enters its dissolved states? so what does this have to do with solubility equillibrium.

does changes in solubility between solute and solvent, just mean that the rate at which solute co2(gas) is dissolved by solvent to form co2(aq) is = to rate at which c02(aq) gains eenrgy from collitions to leave dissolved state or what? I need siome clari...

yo dudes hit me up on aim my screename is lilkevyy45

toss is to throw

I have a very similar problem due on mastering physics in an hour.. I came here to get help but now 30 minutes later I'm actually going to be giving help :). Hopefully it wont be too late depending on your time zone. u= coefficient of static friction forc...

Actually hes not anymore. Nolan Ryan and Chuck Greenberg are now the owners.

Yeah i was typing that while before you posted a second time btw.

How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?

I don't know how to upload the text book

i wasn't asking for an answer, i was asking for a critique of the question i wrote for my project

7500cm 60sec 60min 24hr ---- x ---- x ---- x ---- 1sec 1min 1hr 1day Multiply across and divide by the bottom.

1/5 is 40 pages so 40x5=240 so there are 240 pages in the book

with sig figs: 1,000,000

5 hockey pucks and three hockey sticks cost $23. 5 hockey pucks and 1 hockey stick cost $20. How much does 1 hockey puck cost?

present progressive

indicative mood

predicate adjective

predicate nominative

predicate adjective

imperative mood

Can someone please check my answer.

Please check for me.

Please check my answer.

a player have to pick six number from 1 to 30 how many diffrent choice does the player have

i think its 3.7 meters but that's a lil advanced for me so idk

. Logicians regard the following as the meaning of the word "argument

Calculate the gravitational potential energy (GPE) of your roller coaster at the top of each hill. Assume that the mass of your coaster is: 800 kg. Be sure to show your work by providing an answer for each step! Measurements need to have the appropriate u...

To anyone that is able to help their is 3 postings to this assignment and I'd like any help possible.

count to find the value of the colection of coins

Thank you so muh for your help

Could you show me how my answer would look please, and would you happen to know aside from the mass what other measurement (numerical value) need to know to calculate GPE?

Thank you after I submitted this I believe the answers are (McCosh 57) and (Spines 15)the author and page

political and economic cooperation

thanks i figurd it out

Okay thanks for your help. On the second set are the ones wrong D and E and I need to switch them around

ethos (B) pathos (E) logos (D) persuasive appeals (C) tone (A) Am i right now? I have looked them up and believed these are them.

persuasive appeals (A) tone (C) ethos (E) logos (D) Please check again, thank you

persuasive appeals (D) tone (E) ethos (C) logos (A)

i think d e c a

persuasive appeals--(E) tone--(B) ethos--(C) pathos--(D) logos--(A) Please-check

Sorry!! persuasive appeals--devices in a speech that seek to convince an audience tone--the emotion that a speaker demonstrares towards his or her subject ethos--an appeal to the credibility of the speaker pathos--an appeal to a sense of right or wrong lo...

Thank you for the help

ratio perimeter= 7/2 ratio of area= 49/4

#2 error in punctuation or capitaliztion. Perry asked if anyone knew the words to "Locked Out." Garrison yelled from the other room, "I loved that movie! "In fact," he continued, "I've seen it three times." (my choice) "Wasn't that in the movie Reality Bi...

I don't know where to begin and I have tried to change the endings of the words and it still comes up wrong

1. haber 2.va 3.resolver, Im not sure about the rest :(

How can I tell how to change the ending on the words? would number 2 be intersen?

(a) What was the initial velocity of the stone? (b) How tall is the building? sorry I added the question to another post, but here it is. Thanks :)

thanks for the assistance, but apparently none of the answers are correct according to my homework checker.

I got that but what I don't understand is the possible answers are y=9/10x+9/10;slope;9/10;y-intercept;9/10 y=9/10x-9/10;slope;9/10;y-intercept;9/10 y=-9/10x+9/10;slope;9/10;y-intercept;9/10 y=9/10x-9/10;slope;9/10;y-intercept;-9/10

Thank you for the help

Thanks for the help

on number 3 y=kx so would i divide y by x and if so I get 1.57, 1.62, 1.66, and 1.7..Is this right?

no,you are incorrect the correct answer is 7and a half more minutes

How did u get 9 and u didn't answer my question

foster language

Just because they are gay, it doesn’t mean they are wrong or weird, it just means they feel a different way about their own genders.

why does slavery exist in the first place

it says only change the words in paranthesi

can you check the rest the word in the paranthesis has to be ritten in a derivative way

the technolog helps advances teens

my thesis is In these days technology can greatly impact teens in many advancing ways an example can be that A cellphone creates a safety net for teens and gives parents the ability to stay connected with them at all times.