Wednesday
July 23, 2014

Posts by claire


Total # Posts: 523

Physics
A 42.0 kg swimmer with an initial speed of 1.50 m/s decides to coast until she comes to rest. If she slows with constant acceleration and stops after coasting 2.00 m, what was the magnitude of the force exerted on her by the water?

physics please help!!
find the temperature of the hot reservoir of a carnot engine that has QH=1575j that does work on a 200kg crate, caussing it to go from rest to a velocity of 2.35m/s along the horizontal frictionless surface. Tc=100K

math please help
Limit as x approaches zero of (sinx-(x^3/6)/x^5)

Maths
For a) you just need to divide that amount of space each girl has by 100 and times it by the total area of the house they are renting. then you times the percentage you get by that cost of rent. eg: Laura = 20/100x50 = 40% = 40/100*900 = $360 For b) you calculate their food an...

Maths
Alison, Caitlin and Laura are sharing three bedroom two bathroom house at $900 rent per fortnight. Their weekly food bill is $210 per week and they save $50 per week for electricity and water. They share the rent based on the size of their bedroom and bathroom and share other ...

ALGEBRA! URGENT. Check Answers!
Thank you!

ALGEBRA! URGENT. Check Answers!
So number 1 and 2 are correct? and Number 3 would be changed to -2x^2 - 2x + 5

ALGEBRA! URGENT. Check Answers!
1. 18x^2 + 6 + 4x - 15x^2 - 4 + 13x Answer: 3x^2 + 17x + 2 2. 3x^2 + 6 - 2x + 5x - 4x^2 + 9 Answer: -x^2 + 3x + 15 3. 3x^2 + 5x - 7x + 3 - 5x^2 + 2 Answer: -2x^2 + 2x + 5 4. In the expression -7x - 3x^2 + 5. What is the coefficient of x? Answer: I think it's 7 or -7 Thanks!

Math
Thank you. I forgot the brackets

Math
What's the answer to 1^2-(2-x)^2=2^2-x^2 The answer said x =7/4 But no matter how I tried. I couldn't get that

Paper Writing
I've looked through that, but it doesn't say the proper way to differentiate between each lecture. I was thinking maybe the date or the title of the lecture, but I'm not sure and I didn't see it specifically stated.

Paper Writing
MLA

Paper Writing
I am writing a paper where I cite multiple lectures by the same professor. How do I format the intext citations?

Math
I mean t -336x^3+ 288x

Math
How do you factor out the GCF from each polynomial in this kind of problems -336x3 + 288x

Math
A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such factors

Math
A simple calculation will reveal that 72 has 12 factors including 1 and 72. How many natural numbers less than 100 have 12 such factors

Math
Peter notices that the teenage students who are members of the math club have ages whose product is 611520. How many members does the club have? Extensions: Is it true that whatever number replaces 611520 that this problem has a unique solution? Suppose the club included 12 ye...

Precalculus
Let f(x)=e^x. Compute the average rate of change over the interval [ln3, ln4].

chemistry
Question: Consider this molecular-level representation of a gas. There are: 5 orange gas particles 6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of the diatomic gas is 0.510 atm, what is the total pressure? I have tried...

English (phrasal modals)
So I am correct on the first one because "could be" is not a phrasal modal. "Could" is just a single-word modal.

English (phrasal modals)
Zach used to work at an independent record label. Negotiating could be exciting, but he was supposed to slant everything in the label’s favor. Some reps used questionable tactics. He couldn’t look at himself in the mirror if he treated people like that. First Questio...

chemistry
1. A website promoting the use of alternative energy vehicles and hybrid technologies claims that, \"A typical automobile in the USA uses about 40 gallons of gasoline every month, producing about 750 lbs of carbon dioxide.\" To determine the truth of this statement, ...

Calculus Antiderivative Problem
An object moves along a coordinate line with acceleration a(t)=(t+2)^3 units per second per second. a). The initial velocity is 9 units per second. The velocity function is v(t) = b).The initial position is 2 units to the right of the origin. The position function is x(t) =

Calculus Antiderivative Problem
A car traveling at 46 mph decelerates at 21 feet per second per second. a). How long does it take for the car to come to a complete stop? b). What distance is required to bring the car to a complete stop? An

English
I just can't think of anything to write about from all of those words I don't know how to start it

English
Make a story with these words : climb,explode,sing,bounce,fly,cereal,bouncing castle,bomb,rainbow,hippy,ameriican farmer,superhero,mentally unstable man

History
Thank you ever so much ms.sue xxx mwahhh

History
Give me a paragraph on patricians villas from Rome

History
Describe a patrician villa

Check my answer plz!!
It's all right well done :)

Anthropology
What are some examples of careers for Prehistoric Archaeologists?

Maths
At 7pm the outdoor temperature was -12degrees celsius. By 11pm the temperature in degrees celsius had dropped x degrees celsius. Which expression represents the temperature reading at 11pm. a -12-x b -12+x c-12 d -12x e 12 a is my answer A total of m players came to soccer pra...

math
There is a jar of 16 marbles. 4 red, 7 blue and 5 green. 1) What is the probability of selecting a red marble, REPLACING it, and then selecting a blue marble. 2) What is the probability of selecting a red marble, then SETTING IT ASIDEm then selecting a blue marble?

College Chemistry 104
Students are attempting to construct a battery in the laboratory that will light up a light bulb. Compare the following lists prepared by students and determine which student will not be able to successfully build a "battery" that will light up the bulb. Student 1 la...

MATH Calculus Homework PLEASE HELP!
Let T be the triangle 1≤x≤2, 0≤y≤3x-3. Find the volume that results by rotating the triangle T around the line x=-1.

MATH Calculus Homework #2
Let T be the triangle 1\le x\le 2, 0\le y\le 3x-3. Find the volume that results by rotating the triangle T around the line x=-1.

MATH Calculus Homework
Oh I forgot about the ± sign. THANK YOU!!

MATH Calculus Homework
Why is g(x)=-sqrt(4x)?

MATH Calculus Homework
I sorry but I don't undestand. What would be f(x) and g(x)?

MATH Calculus Homework
Find the area of the region between the curve y^2=4x and the line x=3.

MATH Calculus Homework
First off, thank you answering my question. I just have one question. So does it matter which method we use? I am just trying to find a better way of understanding this problem from a visual perspective.

MATH Calculus Homework
Let R be the region between the graph of y=x3 and the x-axis, and between x=0 and x=1. Compute the volume of the region obtained by revolving R around the y-axis

Meteorology
What weather word has the letters pedtidnw

Probability
It's the floor function of(n+1)p . (n+1)p = 2.6 and the floor is therefore 2.

Probability
Let X be the number of successes in 25 independent trials with probability 1/10 of success in each trial. Let m be the most likely value of S. Find m.

American History
What principles of American foreign policy did the Berlin airlift put into action? What do you think might have happened if the U.S. and Britain had not tried the airlift or if the airlift had failed?

Morphemes
My professor gave an example: cats - /cat/s /(2 morphemes). And said the s is another morpheme. Is sitting - sit/ting ? Is runners - run/ner/s?

Morphemes
Please check these morphemes' divisions. 1)mice -/mice/ (1) 2)sitting - /sitting/ (1) 3) punches - punch/es (2) 4)runners - /runner/s/ (2) 5)firefighters - fire/fight/ers (3) 6) Automobile - auto/mobile (2) 7)Chart - /chart/ (1) 8)horseshoe - horse/shoe (2) 9)sees - /sees/...

Phonemes
I'm not sure what's wrong with them. Is it because I just typed one t instead of 2?

Phonemes
I just wanted check my phonemes' division cow -c/ow (2 phonemes) tree- t/r/E (3) shopping - sh/o/p/i/ng (5) matter - m/a/t/e/r/ (5) gutters- g/u/t/e/r/s (6) horse h/o/r/se (4) car- c/a/r (3) chart /ch/a/r/t (4) see - s/e (2) saw- s/aw (2) sawing- s/aw/i/ng (4) savings- s/a...

American History
Thank you!!

American History
What was the political goal of the Soviet Union following the end of WWII?

Spelling
ok, thank you.

Spelling
Here are the words that I have to unscramble to form a sentence. It seems like it might be missing a word. disease contagious could not he doctor his conceal from... I can only come up with a sentence if I add an extra "his". The rules do not say to add an extra word...

Math
How much interest will I pay on a £115000 mortgage over 22 years at 4.83% Your kind cooperation would be much appreciated

chemistry
Just kidding. I'm stupid. I converted psi to mmHg and not atm to mmHg instead.

chemistry
questions**

chemistry
What is the pressure in millimeters of mercury of 0.0115mol of helium gas with a volume of 211ml at a temperature of 25 degrees celsius? Ok so I've come up with many different answers but none are right. You convert the mL to L and the temperature to Kelvin by adding 273 r...

Chemistry
Ok thank you so much!

Chemistry
How many moles of gas must be forced into a 4.8L tire to give it a gauge pressure of 30.8psi at 30 degrees celsius? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.5L so that the total pressure in the tire is 45.3psi. What formula...

Physical Science
How many CH4 molecules are contained in a 50gram sample of CH4 gas?

Algebra
What is the fourth root of 4^4^4? A long wire is cut into three smaller pieces in the ratio 7:3:2. If the shortest piece is 16 cm, what is the area of the largest rectangle that can be created using the longest piece? Find the value of x in the equation 2013^2013 - 2013^2012= ...

algebra
UCLA

math
there are two numbers that are 3 times as far from 19 as they are from 11. the sum of the two numbers is?

American History
Okay thanks so much Ms. Sue!

American History
Did the Soviet Union gain or lose land as a result of the Versailles treaty? or was Germany the only country involved?

math
2 boats left the harbour at the same time. One travelled at 10km/h on a course of 47 degrees. from the north. the other travelled 8km/h on a course of 79 degrees. how far apart were the boats after 45 minutes to th nearest tenth of a kilometre.

math
calculate the area of a triangle with side lengths 83.75, 110.65, and 90

math
factor, 4x^2-8xy-5y^2

math
factor 9-900f^2

math
factor 9-900f^2

math
A rectangle has an area about 225m^2. the width is about 40m less than the length. Find the approximate dimensions of the playing surface. use factoring.

math
for the line segment DE one edpoint is D(3,1) and the midpoint is M (0,-4). find the coordinates of endpoint E.

Chemistry
So I'm not exactly sure how to answer this problem. NaC2H3O2 is soluble Express your answers as ions separated by a comma. If the compound is not soluble, enter noreaction

EnglishIII
Would this be an o.k. sentence to use in my essay? This would still be the closest I had ever been to someone with their name used in the same sentence as the word “famous.” Or should I just say, "This would still be the closest I had ever been to someone famous...

EnglishIII
Ah Yay! Thank you (:

EnglishIII
I'm sorry to bother again but would this work? Despite my eagerness for the day to end, I was excited about the “surprise” guest the school had booked to make this day special for our graduating class.

EnglishIII
Ok, thanks so much Ms. Sue!

EnglishIII
I'm writing an essay and was wondering if this part was okay. I was eager for this day to end and summer begin. Despite my eagerness, I was excited about the “surprise” guest the school had booked to make this day special for our graduating class. Should I just s...

Narrative Essay
Could someone give me some good tips in writing a narrative essay about a certain memory or experience? Tips like, how to realize when there's too much detail and what are common faults in a highschooler's narrative?

geology
585 1843 3660

Chemistry
For 2 SO2(g) + O2(g) 2 SO3(g), Kp = 3.0 104 at 700 K. In a 2.00-L vessel the equilibrium mixture contains 1.58 g of SO3 and 0.136 g of O2. How many grams of SO2 are in the vessel?

real-life step function
So if I wanted to do a step-function graph for gas prices, how would that work? I'm a little confused. Could someone give me examples please? That would be so helpful (: Thanks!

chemistry
Please be specific! Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged calculated mass of Ca2+ in the analyzed tablet. a)a student had difficulty decanting the supernatant solution from the test tubes in step 9, causing...

English III Archetype
what is the archetype in the story of Ishmael? Here's my summary. Abram and Sarai were unable to have children. Sarai was barren. In order to build a family, she allowed her slave Hagar to become Abram’s wife. Abram slept with Hagar and she became pregnant. This led H...

chemistry
**1.4 grams of protons

chemistry
What mass of electrons would be required to just neutralize the charge of 1.4 of protons?

English III
I'm a weirdo.

English III
how would you use the allusion "Manna" in a sentence?

Honors chemistry
You need to boil 307 g of water (specific heat = 4.184) so you can make a cup of your favorite drink. If room temperature is 20.15 oC, how much heat is needed to boil the water?

Algebra
Thank You!! i see what i did wrong now... i wanted to find out what the percentage for 64 was so i divided it by 100 so i got a really diffrent and wrong number! Thanks for clearing this up for me! ;)

Algebra
I'm totally confused help please?!? In 1990, 253 million people visited theme parks in the United States. In 2000, the number of visitors increased to 317 million people. What was the percent of increase?

Physics
A car goes around a curve on a road that is banked at an angle of 33.5 degrees. Even though the road is slick, the car will stay on the road without any friction between its tires and the road when its speed is 22.7 m/s. What is the radius of the curve?

pre-algebra
$43.00 - $62.00 = -$19.00 Terry will have bounced that check since she didn't have the available funds!

Algebra 2
Ok, so I'm trying to find the inverse of each function. We're learning about Inverse Functions and Relations. The problem is f(x)=sqr.root of x/6 The sqr root is confusing me.

Algebra 2
sorry, wasn't clear, trying to find the inverse of each function!

Algebra 2
f(x) = sqr.root of x/6

Chemistry
Ok awesome! But I'm a bit confused as to what volume shot, density and mass shot mean?

Chemistry
28.5g of iron shot is added to a graduated cylinder containing 45.50mL of water. The water level rises to the 49.10mL mark. From this information, calculate the density of the iron.

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