Nick

If a rope with linear mass density .167kg/m and is 4m long, what are the lowest four frequencies of standing waves possible on such a rope? What is the fundamental frequency?

14 years ago

Two bumper cars collide. Both cars stop. How do you know that a force has acted on both cars? did the cars change velocity? (yes, they stopped). Newton's law says that things in motion will stay in motion unless a xxxxx acts.

19 years ago

How can I do this: 3KNO3(aq)+ Fe(SCN)3(aq) + NaOH(aq) <---> ? what do you have to do? write the products it makes. I don't know the products it makes. I have to figure out what adding all those produces. Im not sure its even possible? yes it is possible....

18 years ago

A certain car is about 100in. long and 60 in. wide. You plan to make a model of this car that is 9 in. wide. How long will your model be?

12 years ago

Avondale and Newtown are 45 miles apart. How many inches is this on a map with a scale 1inch=20miles? I set up a proportion: in/miles= 1/20=n/45 n= 2 and 1/4 in on this map 2 1/4 inches is correct. 1 inch = 20 miles 2 inches = 40 miles 1/4 inch = 5 miles...

18 years ago

Complete Predicate. The Snake wrapped itself around the tree. (wrapped itself) is that the correct answer?

18 years ago

Okay. I have questions like "Walks ten meters in 3 seconds" . How do I find her walking rate. After that I have to find an equation to represent the distance she walks in t seconds. Please help me...Im very confused and terribe at math

18 years ago

You know for the story "The Prosepector's Trail" by Cathy Jewison. Im supposed to be Norman and write a letter to Jennifer 1 year after Jennifer left Norman. Would Norman want Jennifer back or would he want to have a divorce with her and leave her? Please...

18 years ago

The combustion of carbon monoxide is represented by the equation below: CO (g) + 1/2O2 (g) ----> CO2 (g) a) determine the value of the standard enthalpy change, for the combustion of CO at 298 K using the following info. C (s) + 1/2 O2(g) ----> CO (g) del...

18 years ago

find the area of a circle inscribed in triangle ABC where a=9, b=13, and the measure of angle C=38 degrees

18 years ago

I need help answeringthis question about a poem. i will write the instructions below..Thank you How does Martin Espada use imagery,setting, and figures of speech to convey the idea in " Latin Night at the Pawnshop"? the only problem i am having is underst...

18 years ago

I have a test on the general concepts of thermochemistry tomorrow. how should i study for it since its not based on problem solving, just concepts?

17 years ago

OKay i need help thinking of more traits to describe oedipus. the question is: How do Oedipus's personal characteristics interact with his fate to bring about his downfall? The only trait i can think of is rash, but towrite a 500 word essay i think i need...

17 years ago

Book on Every day heroes. was trying to find book to have at home, teache won't let us take home. Need to do an essay.

17 years ago

this question does not make sense to me. Add the proper constant to the binomial so that the resulting trinomial is a perfect square trinomial. then factor the trinomail. X^2+21x+__ What is the constant term? What is the factored for of the trinomial? i j...

17 years ago

My teacher wants us to find another name for winter. Can anyone help me?

17 years ago

What day of the week is 263 days from Monday? That is Monday 12-10-2007. Is it Wednesday?

17 years ago

Solve x^4 - 12x - 5 = 0 given that -1 + 2i is a root. I’ve used synthetic division to get the answers x = 1 +/- 2i , 1 +/- sqrt 2 I’ve having trouble checking the answers though because of that imaginary number. How can I check these kind of problems?

17 years ago

a 75kg skater is travelling at 15m/s stops suddenly on the ice. If the ice is at 0 degrees and it is assumed that all of the skaters energy is converted to heat, how much ice does he melt? (latent heat of fusion for water is 3.3x10^5 J/kg)

17 years ago

<b>Titanium metal has a body-centered cubic unit cell. The density of Titanium is 4.50 g/cm^3. Calculate the edge length of the unit cell and a value for the atomic radius of titanium.</b> Ok, I know how to find the density using the atomic radius, but I'...

17 years ago

Sorry, I have one other question. How would I go about solving this problem? <b>What fraction of the total volume of a closet packed structure is occupied by atoms? What fraction of the total volume of a simple cubic structure is occupied by atoms?</b> Do...

17 years ago

A motor running at its rated power provides 2.6 lb-ft torque at its rated speed of 2020 rpm. The motor draws 5.6-A from a 230-V supply at a phase angle of 37 degrees. Determine the following: The horsepower delivered by the motor, The efficiency of the mo...

17 years ago

A steady horizontal force F if magnitude 21N is apllied at the axle of a solid disk. the disk has mass 2.0kg and diameter of 0.10m. What is the linear speed of the center of the disk after it has moved 12m?

17 years ago

Hello everyone! I have a question about feature articles... How is it suppose to look like? Can you find me a feature article on anything so I can see the formate? well thank you! =)

17 years ago

How do the local schools contribute to the weather forecast? thx a lot!!

17 years ago

I need help with factoring trinomials completely. My teacher's example is: 2x^2-12x+18 2(x^2-6x+9) 2(x-3)(x-3) I need help with: 6x^2-26x-20 I just can't get this stuff so if you can please help me I'd greatly appreciate it.

17 years ago

Ok I get most of the problems except for these last two. x^2-16=0 and x^2=36 I seem to have trouble with the simplest of problems and none at all with the hard ones.

17 years ago

These simple ones kill me: 16y^2=49 Thanks

17 years ago

How many PEOPLE have served in World War I??

17 years ago

So I guess I have to: Solve the system using any algebraic method. I'm not sure how so here is the problem I'm stuck on. 9x-5y=-30 x+2y=-3

17 years ago

Can students under the age of 18 play a role in the American political system?

17 years ago

A geologist stands on the shore of a lake in Ontario with a theodolite and finds that the angle of inclination to the top of a distant rock pillar is 28.5 degrees. He then walks 10 m along the shore at a 90 degree angle to his measurment, and finds that t...

17 years ago

Perform the basic conversion. Give exact answers i)0 degrees = ____ rad ii)90 degrees = _____ rad iii)180 degrees = _____ rad iv)30 degrees = _____ rad v)45 degrees = _____ rad vii)60 degrees = ______ rad viii)135 degrees = ______ rad viiii) 120 degrees =...

17 years ago

Lab: Determining Ka of Acetic Acid Purpose: The purpose of this experiment is to determine the molar concentration of a sample of acetic acid and to calculate its Ka. Materials: phenolphthalein 125 mL Erlenmeyer flask 25 mL pipet and bulb pH metre acetic...

17 years ago

I need to list some jobs where people use algebra and write how they use it. I know about every job uses it, but I don't know how to find examples. Do you have any guidelines or helpful hints?

17 years ago

ok i am writing an analysis, contrasting me to another character in romeo and juliet i need help on trying to get it started and ho to write it thanks

17 years ago

advantages and disadvantages of patient roles. I've tried google, but found nothing.

17 years ago

What is a convex polygon and a nonconvex polygon?

17 years ago

What should you always use when handling hot utensils?

17 years ago

In the sentence: After school, we ran to the playground. is After a preposition?

17 years ago

the tens digit of a two digit number is 6 more than the units digit. the number is 36 more than the number when the digits are reversed/ what is the number?

17 years ago

you are buying beads and string to make a necklace. the string coast $1.50 a pack of 10 decorative beads costs $0.50 and a pack of 25 plain beads costs $0.75 you can only spend $7.00 and you need 150 beads you wish the necklace to be as decrative as possi...

17 years ago

Dr. Bob222 I am sorry for my improper use of grammar. (not intended in a smart alike way.) you are buying beads and string to make a necklace. The string coast $1.50; A pack of 10 decorative beads costs $0.50; And a pack of 25 plain beads costs $0.75. You...

17 years ago

mass of star = 3.80 x 1030 kilograms mass of planet = 6.35 x 1024 kilograms mass of moon = 7.63 x 1022 kilograms average distance from star to planet = 1.56 x 1011 meters average distance from planet to moon = 4.26 x 108 meters Use the data above to deter...

16 years ago

How do I evaluate lim as h->0 [5((1/2)+h)^4 - 5(1/2)^4]/h

16 years ago

Can someone help me with this calc problem? lim as x->0 (tan^3 (2x))/(x^3)

16 years ago

What am i supose to do here? A chemist performs the following experiment: 2FeCl3 + 3CaCO3 ---> Fe2(CO3)3 + 3CaCl If he starts with 105g FeCl3 and excess CaCO3 how many grams of CaCl2 will he obtain? Thanks, ~Nick

16 years ago

A ballon rises at 14m/s, a boy in the ballon throws a ball straight up at 24m/s. How much later does he catch the ball?

16 years ago

How many volts does a Printer have? thanks

16 years ago

I am doing a power point on hydraulic brakes but I can't find any diagrams of a simple hydraulic brake that points out all the parts but isn't to hard to understand like th ones in the textbook. Does anyone know of any good pictures on the web? thanks:)

16 years ago

T-table Y X 1 -3 3 1 5 5 7 9 a) y=2x-5 b) y=3x-4 c) x=4y-3 d) y=7x-2 which equation does relate to the t-table???

16 years ago

I am not quite sure how to do this problem, it doesn't seem to fit into any of my given equations: A gas has a volume of 35.5L and a pressure of 765mmHg at standard temperature. If the same sample is placed in a 56.0L container and the pressure is measure...

16 years ago

Suppose 13.7kJ of heat are removed from 33.5g liquid sample of ethanol at 26.8^oC. When all this heatis removed from the substance, at what temperature and in what states will you find the substance?

16 years ago

a compound that has positive and negative ions in a regular pattern or crystal is an_______________

16 years ago

Here are some descriptions and I need to know the correct character: 1.I complained and became a leper 2.I was able to interpret dreams because God revealed them to me 3. I was Jacob's deceptive uncle 4.I was the father of Israel's second King 5.I stole s...

16 years ago

I can't figure any of these problems out any help would be nice peace. Show all steps used to solve the problem. 1.5n + 6 = -4 3.b/-3+5=7 4.17-x/4=-10 5.If 3a - 9 = 6, what is the value of 4a - 1? 6.

16 years ago

Multiple Choice: For each of the given family incomes, find the maximum amount the family should be able to spend on a house. Family income: $61,575 a)$163,936.50 b)$153,836.50 c)$153,937.50 Family income: $54,800 a)$138,500 b)$137,000 c)$138,000

16 years ago

Using your knowledge of atoms describe reasons the paper's physical properties are different from the water's physical properties...Please Help

16 years ago

Two readings are taken from an aircraft's flight record Time - 08:55 Distance travelled - 957 Time - 09:07 Distance travelled -1083 For the period of time between the two readings, how do i calculate a)the distance travelled in kilometres and b)the averag...

16 years ago

What is the probability that a random sample of 25 swimmers results in a sample mean of 49 seconds or less?

16 years ago

A significant difference between monopoly and perfect competition is that: A. free entry and exit is possible in a monopolized industry but impossible in a competitive industry. B. competitive firms control market supply but monopolies do not. C. the mono...

16 years ago

I am trying to figure out a lettern pattern and what comes next A,Y,C,W,__ __ ___ I need to explain the rule for this pattern but I am having a hard time

16 years ago

A car traveling 56 km/h is 21.0 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.17 s later. a)What was the car's constant deceleration before impact? b)How fast was the car traveling at impact?

16 years ago

An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until it reaches a speed of 26 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops. a)How much time elapses from start to stop? b)How far d...

16 years ago

The head of a rattlesnake can accelerate 50 m/s2 in striking a victim. If a car could do as well, how long would it take to reach a speed of 78 km/h from rest?

16 years ago

(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.52 m/s2 and subway stations are located 1030 m apart, what is the maximum speed a subway train can attain between stations? b)what is the travel time between stations?...

16 years ago

A ball thrown from the edge of a 35m high cliff takes 3.5s to reach the ground below. What was the ball's initial velocity?

16 years ago

Two diamonds begin a free fall from rest from the same height 0.9 s apart. How long after the first object begins to fall will the two objects be 11 m apart?

16 years ago

How do I perform the right hand rule? I'm confused.

16 years ago

What is the magnitude of the acceleration of a sprinter running at 9.0 m/s when rounding a turn of a radius 26 m?

16 years ago

Snow is falling vertically at a constant speed of 6.6 m/s. At what angle from the vertical do the snowflakes appear to be falling as viewed by the driver of a car traveling on a straight, level road with a speed of 66 km/h?

16 years ago

In the figure below, a slide loving pig slides down a certain 18° slide in twice the time it would take to slide down a frictionless 18° slide. What is the coefficient of kinetic friction between the pig and the slide? Explanation would be helpful.

16 years ago

In the figure below, a box of Cheerios (mass mC = 1.0 kg) and a box of Wheaties (mass mW = 3.5 kg) are accelerated across a horizontal surface by a horizontal force applied to the Cheerios box. The magnitude of the frictional force on the Cheerios box is...

16 years ago

you a resident physician are reading the medical chart o a normal adult female patient carelessly one of the nurses has entered this nurse's suggestion is physically reasonable: (a) the number is 150 and units are kilograms. (b) the number is 4.25 and the...

16 years ago

How did geography affect arab life

15 years ago

In the following sentence I think ambition is a noun that is an idea. Is that right? The strong supporter of the League of Nations had great ambitions.

15 years ago

Hi my class is doing a unit on patterns with algebraic expressions. And i need to find a difficult expression Figure# Term value 1 8 2 27 3 64 4 125 what is the algebraic expression and how did u do it? thank you. Math-Nick

15 years ago

Which of the following statements about manufacturing in the region is NOT true? a. About 50 percent of the region’s GDP comes from manufacturing. b. Demand for manufactured goods has increased. c. Workers produce textiles, paper goods, and cement. d. Loc...

15 years ago

How do i solve proportions? step by step answers plz!!!! EXAMPLE! g/5 = 6/10

15 years ago

cheryl, rita and four of their friends go to a movie and share equally a 48-ounce bag of popcorn and three 48-inch licorice laces. Find the fraction of popcorn each gets and the fraction of licorice each gets.text

15 years ago

Three neighbors are sharing a rectangular strip of land fir a garden. They divide the land into 24 equal-sized pieces. What fraction of the land does each person get if they share it equally? Write the answer in more than one way

15 years ago

x^2-y^2-6x+8y-3=0 Find the center vertices, foci, and asymptotes for the hyperbola.

15 years ago

The sum of my two digits is 13. I am not divisible by 2. List all possible numbers I could be.

15 years ago

Simplify 5-3(x-1) what are the steps?

15 years ago

using 1,2,3,4 only one time and must equal 29

15 years ago

If you have 4.00 moles Al(aluminum), how many moles of O (oxygen)subscript 2 are needed for a complete reaction?

15 years ago

If you have 108 grams of Al and 108 grams of O subscript 2 which reactant is the limiting reactant?

15 years ago

A dilute sulfuric acid solution that is 3.39 m H2SO4 has a density of 1.18 g/mL. How many moles of H2SO4 are there in 375 mL of this solution? 3.39 is 3.39 Molality not molarity

15 years ago

A dilute sulfuric acid solution that is 3.39 molality H2SO4 has a density of 1.18 g/mL. How many moles of H2SO4 are there in 375 mL of this solution?

15 years ago

What is the Rescue of Dunkirk?

15 years ago

mass is usually measured in?

15 years ago

Liters and milliters are used for measuring?

15 years ago

I'm trying to factor this and I just can't figure it out. Help? r^4 s^4 - 81

15 years ago

The Ksp for cerium iodate, Ce(IO3)3 is 3.2 e-10. What is the molar solubility of Ce ion in pure water? = .0019 M B) A 0.031 M sodium iodate is added as a common ion. What is the concentration of Ce ion with the common ion present? C) What is the ratio of...

15 years ago

A certain municipal water sample contains 46.1 mg SO42-/L and 30.6 mg Cl -/L. How many drops (1 drop = 0.05 mL) of 0.0010 M AgNO3 must be added to 1.00 L of this water to just produce a precipitate? What will this precipitate be? How do i start this quest...

15 years ago

For a question like “calculate the pH of an aq.solution that is 1.0 M CH3COOH and 1.0 M CH3COONa, how do you know to write the equation like this: CH3COOH + H2O => H3O+ + CH3COO- and not like H3O+ + CH3COO- => CH3COOH + H2O for the ICE chart. This would s...

15 years ago

Hi, how would I factorise x^2-100?

15 years ago

I have got differential pressure from an inclined manometer to be 2.8kPa and density of the fluid is 784kg/m^3. I need to calculate the manometer datum height. how do i do tht?? thnx for the help in advance.

15 years ago

15. What volume of NH3 at STP is produced if 25.0g of N2 is reacted with an excess of hydrogen gas? N2 + 3H2 →2NH3

15 years ago

can somebody tell me how I am to solve this problem? x+8)(x-19)(x+3)>0 A. The solution set is {x|___} B. The solution is all real numbers. C. There is no solution.

15 years ago

Thank you, Ms. Sue what about CP That mountain is the tallest one around here. (in the tallest one around here) The fire destroyed the old house. (destroyed the old house) The Puppy limped toward the old man. (limped toward the old man) are my answers cor...

18 years ago

Thank you again Ms. Sue may I ask your help with two other questions? Simple Subject: Gold miners were Jack's best customers. (gold miners) A cellular telephone is one example of this change. (cellular telephone)

18 years ago

THANK YOU, Ms. Sue

18 years ago

Thank you so much. I love you. xD

18 years ago

Break the graph up into a bunch of increments, each with the same x-axis distance between them. The more the graph flips from up to down, the more increments you need. (The more you have, the better your derivative graph will be.) Write down the (x,y) coo...

18 years ago

what is the a~ all about? If it is a square root symbol then the solution looks like this: x + (2x-5)^(1/2) = 10 : move x to other side (2x-5)^(1/2) = 10 - x : square both sides 2x-5 = (10-x)^2 : expand the squared term 2x-5 = 100-10x-10x+x^2 : combine te...

18 years ago

Well, you know that you have 540,000 dollars to spend, so model x*18,000 + y*24,000 < 540,000. Next, you know that at most, you may buy 25 new cars, so x + y < 25. If you treat these two inequalities as equations, you can solve for the extreme points. Tha...

18 years ago

Sorry, the formatting on the graph got messed up. It should be a horizontal line with two vertical lines sticking up at each end.

18 years ago

One trick that might help you out is to remember that powers subtract when dividing (and add when multiplying) So starting with the original equation, you can pull out all the constants (by putting them to the exponent power) then simply subtract the powe...

18 years ago

They ingest nutrients, they expel nutrients, they grow, they require water and reproduce. (eat, drink, poop, grow screw) Good luck!

18 years ago

1) there's an identity for d/dx (cot x) which = csc^2 x. So the answer to 1) is csc^2 x + cos x. 3) use the derivative multiplying rule first *d(second) + second *d(first): y' = x*(-csc(x)*cot(x)) + csc(x)*1 -- there may be some simplification you can do,...

18 years ago

Thanks for your help!

18 years ago

It's not A because "find" is not used. It's not B because "especially" is spelled correctly, so no correction is necessary

18 years ago

you may have written the second equation down wrong. if it is 2x-y=8 then the answer is (4,0)

18 years ago

I've tried that multiple times, but I was told the answer should be more than one. I get something around .07

18 years ago

change x+3y=4 to x=-3y+4. substitute that into the second equation to get 2(-3y+4)-y=8, then solve

18 years ago

i understand that an apparition is a ghost like image. These are the thought that are goin hrough my head, its a lonley guy walking down the street on christmas, he sees this pawnshop with the instruments in the window. To him its a ghostlike band and he...

18 years ago

gleaming golden and silver are all contrast with christmas. i still don't understand the significance of Latin Night other then the insturments are al found in lati bands and Martin Espada is latin, but hes living in Massachusettes. do Latino not celebrat...

18 years ago

is the idea that latin culture in america is dieing out? i can answer all the points i just can put one main idea together. i can gather that he can not afford the instruments, and/or also latin cultural is dieing out or latin music is dieing

18 years ago

IB stands for international baccalaureate. it's a rigorous program, kinda like AP but with different requirements.

17 years ago

Thank you so much!

17 years ago

sorry, forgot to mention that its *cubic closest*

17 years ago

THANK YOU SOO MUCH!

17 years ago

Wow, thanks, now there is one more type I am stuck on and it is: 6y^2-24

17 years ago

Incredible. Thanks you two, you really helped me.

17 years ago

Woo! Thanks a lot DrBob.

17 years ago

I see, thanks a lot.

17 years ago

Ummm....huh?? I am more of a visual learner so maybe if it was worked out completly it would help a little more.

17 years ago

Assume that the amount of CH3COOH that ionizes is small compared with the initial concentration of the acid. Calculate Ka for the acid. Thank you

17 years ago

You forgot to reverse the greater than sign when dividing by a negative number. Take this example: -2*x < 10. Pick a number for x that satisfies the equation--: For instance, if x=3, then -2*(3) < 10 ----> -6 < 10 is true. Solved without flipping the less...

17 years ago

Thank you

17 years ago

Items are arranged in alphabetical order by the first word in the reference, whether it is a person's last name or an organization name.

17 years ago

De-institutionalization of the mentally ill has had an enormous impact on the mentally ill, the community, family members and taxpayers. The family members of the mentally ill were adversely affected by the De-institutionalization of their mentally ill re...

17 years ago

Full-sentence outlines are more beneficial than topic outlines because an outline can be vague while a detailed sentence can serve as a great tool to help you write a better paper. If someone asked me “Wouldn’t it be simpler for me just to write my paper...

17 years ago

Full-sentence outlines are more beneficial than topic outlines because an outline can be vague while a detailed sentence can serve as a great tool to help you write a better paper. If someone asked me “Wouldn’t it be simpler for me just to write my paper...

17 years ago

You're right Brandon. It is more important to be sound than valid when building arguments of importance.

17 years ago

Health-care facilities, such as Partners Health-Care use EMRs (Electronic medical records) to boost patient safety, manage chronic illnesses, and improve the efficiency of their practice. The EMR technology used at Partners HealthCare is secure. It gives...

17 years ago

Slavery is an issue that creates animosity between many people. The equal rights, Black Power, and desegregation movements are all products from this idea. The concept of glass ceiling, walls, and escalator (this is a concept where one person can not move...

17 years ago

Two approaches to measuring patient outcomes are: 1) Applying process management to occupational medicine – this process involves frequency and timing of patient visits, referral patterns for consultation and diagnostic testing. 2) Communication: physicia...

17 years ago

This is an example of an annotated bibliography below. First, you put the reference, then a very short summary about the main points of the essay. Without the summary, it's just a reference, get it? Hope this helps. 1) Wilson, A.M. (1998). Public Schools...

17 years ago

Kayla, D is the answer. The correct sentence should be "I credit my success to luck and determination". That answer is probably in response to the question "who do you give credit to for your success?"

17 years ago

Let's see 3+1= 3+2= 3+3= etc...

17 years ago

i solved for the longer equation and got a=b+4 i put that in the smaller equation and got b-2=b iam confused

17 years ago

when i solve for the variables i cancel everything and i don't get an answer

17 years ago

you are buying beads and string to make a necklace. The string coast $1.50; A pack of 10 decorative beads costs $0.50; And a pack of 25 plain beads costs $0.75. You can only spend $7.00 and you need 150 beads. You wish the necklace to be as decrative as p...

17 years ago

These kids should learn to type properly, Anyway back onto subject...er well nothing for me to really answer lol, All been done in the previous questions.

16 years ago

Also , another similar question that I am having trouble with is lim as x->0 (tan^3 (2x))/(x^3)

16 years ago

Thanks for the help, I know what to do now. :D

16 years ago

Ohhh, thanks Damon!

16 years ago

So is the answer 74.2g? Or did i do something wrong?

16 years ago

two sports that are needed ball to ball

16 years ago

Confused and Jason, same person? Chemistry itself is definitely not pointless. Imagine where you'd be without the miracles that chemistry presents us in everyday life: Plastics, Medicine, Cars, Reliable Machines, Colors in Clothing and Other Products, Fla...

16 years ago

How did you find that value for K?

16 years ago

Well for the first part I know you need a verb (ser) so I think son should be in there and i am pretty sure it is mis since lasses is plural. and for the second part you could say you don't like them instead of you don't enjoy them which would be no me gu...

16 years ago

Molecular weight os AgNO3 = 169.87 You have 29.66 g, therefore you have 29.66 / 169.87 moles = 0.174 moles. This is in 100 ml. Molarity is moles per liter, so, 0.174 x (1000/100) = 1.75. Concentration of the solution = 1.75 M. Worked out with chemCal for...

16 years ago

1. a toy that I had, when young, was a black bear, that I bought in a store. 2. una amiga de infancia ( literally is: a friend from when I was an infant) however is one of those translations that you adapt to the language, so I would say: Sarah is a frien...

16 years ago

For information on moles and molar have a look at: cal.culate.it/moles and cal.culate.it/molarity

16 years ago

please, can anyone help us?

16 years ago

the formula said 23%

16 years ago

"5.61 moles of KCl and 2.11 kg of water?" Well, water has a density of 1g/ml. So, 2.11 kg, is 2.11 liters. Therefore you have 5.61 moles in 2.11 liters. Molar is moles per liter, therefore, 5.61 / 2.11 = 2.66 M. For help on moles and molar have a look at...

16 years ago

"18 M sulfuric acid is need to prepare 250 ml of a 6.0 M solution" - this is an M1V1 = M2V2 type problem. For help have a look at cal.culate.it/dilution. Meanwhile, using chemCal on the iPhone (cal.culate.it/c) the answer is: 83.3 ml

16 years ago

thanks

16 years ago

Do you mean a bar or a line?

16 years ago

Thank you.

16 years ago

I believe you would have to convert the hours to minutes than add the two: Input Reading Time Hours Input Readig Time Minutes Input Assignment Time Hours Input Assignment Time Minutes ReadingTime = (hours * 60) + minutes AssignmentTime = (hours * 60) + mi...

16 years ago

thanks damon

16 years ago

.02 hr

16 years ago

i need more help

16 years ago

i am working on a math project and i need 10 different representations of the number 256..its due tomorrow

16 years ago

This has to do with area. Determining the perimiter would only tell you how many tiles you would need for surrounding the bathroom with tiles. Area would cover the whole bathroom.

15 years ago

There is a solution. The solution is an imaginary number.

15 years ago

I would put "Ceux qui ne fument pas sont genes (put accent aigus on both "e"") par les autres qui fument . Not necessary to say les autres gens (we assume already it is people) Do not use bouleverses (it is more emotional)

15 years ago

37

15 years ago

d,a

15 years ago

1 is right. 2 is wrong

15 years ago

right

15 years ago

false

15 years ago

Africa

15 years ago

d then

15 years ago

1- At the bottom of the classes were Slaves and Farmers - they represented the greatest percent of the Egyptian population. The workers supported the professionals above them, just as the base of the pyramid supports the rest of the structure 2- Above wer...

15 years ago

Pi times r squared

15 years ago

Yes, I agree. I have used synthetic division to solve for 3+i and 3-i, giving me two answers. But because the highest degree of exponents is x^4 then I can expect to find four answers right?

15 years ago

its m = molal

15 years ago

ag2so4 ksp = 1.5 e10-5

15 years ago

I did the moles of Cl found/1 L = .00863. 1.8e-10 / .00863 = 2.1e-8 * 1 L = 2.1e-8 moles .0010 / 2.1e-8 = 47619 L*1000 mL / .5 but the answer comes out wrong=/

15 years ago

Essentially you look for key words. "At most", "no more than", "does not exceed", etc. would mean less than or equal too. Taking your example, if the cost is at most $4857.95, then it could be less, but it cannot be more. When x is less than or equal too...

15 years ago

That depends on the density of the object along with bouyancy. A 2g rock will sink in water whereas a 2000 kg boat will not (if made right). It doesnt matter what something weighs. An object floats because it displaces an amount of water equal to or more...

15 years ago

Chain Rule with single variable: d/dx [3(2x-4)^2] =6(x-4)(2)=12x-48 Chain Rule with multiple variables: d/dx [3y^2] =6y(dy/dx) The y and the (x-4) terms serve a similar function. You technically use the chain rule all the time. The derivative of a variabl...

15 years ago

yes i used the ame formula but didn't get the correct ans. cn u help me solve it. i want ans to be 6.5 inch (0.165 meters).

15 years ago

Economyst, why do you bother posting things like "I agree" for mutiple choice questions? Your opinion doesn't matter if "agree or disagree" aren't even options for a viable answer champ.

15 years ago

So you go to Keystone Online Highschool? 9th grade? Me too. These answers were very helpful in me constructing my own answers. And you made many spelling errors, you also only had 1 space instead of 2 spaces after a period in many places. You should try p...

15 years ago

It was very well written, I hope you got a good grade.

15 years ago

(50g)(0.107 cal/g degreesC)(tfinal-15C) +(25g)(1.000 cal/g degreesC)(tfinal-45C) is this correct

15 years ago

hey we performed experiment and lecturer mailed the results which doesnt have any series of results just one result. And gauge length is length of the specimen used.

15 years ago

Thnx drwl but i knw the fomulas but i dnt knw hw to plot a graph wen juz max load is given.

15 years ago

so what would be the answer?

15 years ago

cosA = adj/hyp tanA = opp/adj sinA = opp/hyp

15 years ago

Ok, so if I change it to 2x^2 to x-5 of square root of Sin(x)dx, does it make sense? We haven't done any examples with an x in both the top and bottom of the integral sign. Thanks

15 years ago

sin of angle = opp/hyp (SOH) cos of angle = adj/hyp (CAH) tan of angle = opp/adj (TOA)

15 years ago

7n^2+9n+2 (7n + 2)(n + 1)

15 years ago