Saturday

April 25, 2015

April 25, 2015

Total # Posts: 542

**math**

On a test whose distribution is approximately normal with a mean of 50 and a standard deviation of 10, the results for three students were reported as follows: Student Opie has a T-score of 60. Student Paul has a z-score of -1.00. Student Quincy has a z-score of +2.00. Obtain ...
*July 29, 2011*

**Math**

Simplify (x-2)^2/2x+4 times (x^2+4x+4)
*July 3, 2011*

**math/algebra**

Use the exponential decay equation, to find the half-life of a material that decays from 40mg to 30mg in 10 hours.
*June 13, 2011*

**biology**

What is the typical habitat of a human?
*May 2, 2011*

**accounting**

Carlton company had assetsof $280,000 & liabilities of $120,000 at the beginning of the year and assets of $400,000 & liabilities of $140,000 at the end of the year. During the year, the owner invested an additional $40,000 in the business, and the company made withdrawals of...
*April 20, 2011*

**Com/155**

What do you mean?
*April 19, 2011*

**Com/155**

Read the summary paragraph on the bottom of p. 37. Identify the author’s goal in writing the paragraph. How effectively do you think the author met that goal? The paragraph is below. Hockenbury and Hockenbury tell us that daily hassles often cause more stress than major ...
*April 19, 2011*

**Calculus**

Hi, I need someone to double check my answer because it doesn't seem right to me. Find the centroid of the region bounded by y=0 and y = x^2 -2x. I calculated the area to be 4/3 and centroid (1, 0.4)... is that correct? Thanks in advance!
*April 18, 2011*

**Spanish**

HAHAHA!!! Whay would you post something like this?
*April 18, 2011*

**math**

+HOW MANY 3 GO IN TO
*April 10, 2011*

**math**

HOW MANY 3GOIN TO
*April 10, 2011*

**chemistry**

a sample of gas has a volume of 6.00L at 20.0 degrees celcius . what will be its volume at 40.0 degrees celcius pressure remaining constant
*April 3, 2011*

**COM/155**

Academic writing standards generally condemn the use of first- and second-person pronouns such as I, me, my, you, and your. Why do you think this is the case?
*April 2, 2011*

**Comp/155**

What strategies might a writer use to ensure pronouns are used effectively?
*April 1, 2011*

**Com/155**

Explain why using pronouns may help make your writing more effective?
*March 30, 2011*

**math**

TODAY!
*March 28, 2011*

**chemistry**

If you prepare 1.2L of this NH4+/NH3 buffer using 0.56 mol NH3 and 1.0 mol of NH4+, what is the pH after adding a) 150mL of 1.0M HCl I get the answer to be 8.8 for the pH. I set up a double ice table and found {OH} and then found pOH and pH. My friend got the answer to be 9.8...
*March 27, 2011*

**chem**

consider the equation for the following questions 2C2H6(g) + 7o2(g) 4 CO2(g) +6H2O(g) How many grams of CO2 are produced when 2.00moles of C2H6 react with sufficient oxygen?
*March 20, 2011*

**marketing**

Identify the strategy decisions a marketing manager must make in the Price area. Illustrate you answer for a local retailer.
*March 6, 2011*

**math**

how do you do pythagorean titles
*February 28, 2011*

**Algebra 2**

Did I do this correctly, D(p)= 2000-60p S(p)=460+94p p is the price in dollars a) find those values of p for which demand exceeds supply 2000-60P > 460 + 94p 2460 > 154p $15.97 > p b) find those value of p for which demand is less than supply 2000-60P < 460 + 94p ...
*February 22, 2011*

**Algebra 2**

The yearly Egyptian production of oil O(t) in millions of barrels, t years after 2000 can be approximated by, O(t)=-40.5t +2159 Using inequality, determine the years for which the production will drop below 1750 million barrels. This is what I have and know I have set it up ...
*February 22, 2011*

**algebra 2**

The yearly Egyptian production of oil O(t) in millions of barrels, t years after 2000 can be approximated by, O(t)=-40.4t +2159 Using inequality, determine the years for which the production will drop below 1750 million barrels. This is what I have and know I have set it up ...
*February 22, 2011*

**algebra 2**

I have a question about two problems that I am trying to solve for my h.s. trig. class. The first one I believe is correct. the other i am lost. D(p)= 2000-60p S(p)=460+94p p is the price in dollars a) find those values of p for which demand exceeds supply 2000-60P > 460 + ...
*February 22, 2011*

**algebra 2**

A electrician charges $50 for the first half-hour of work and $30 each hour for additional time. Stoney Point High School budgeted $200 to repair the refrigeration system. What length of service call with the budget not be exceeded?
*February 21, 2011*

**Algebra 2**

I am having trouble with my last two word problems on a homework assignment. For some reason I just can not get word problems and get frusterated. I hope someone can help. Alan was able to rent a moving van for $99 with unlimited mileage or $49 plus .80 per mile. What mileage ...
*February 21, 2011*

**french**

well ton cahier est le mieux means your notebook is the best, and ton cahier est le meilleur also means your notebook is the best... im not the best in french but i do get A's in it. still i think you can use either one.
*February 9, 2011*

**Math**

A girl lets out 50 yards of kite string while flying a kite. The distance from a point on the ground directly under the kite to where the girl is standing is 30 yards. If the girl holds the string 3 feet from the ground,how high is the kite? Assume the string is tight.
*February 8, 2011*

**TO MS. SUE Writing (CHOCOLATE BAR)**

sorry i meant great
*February 8, 2011*

**TO MS. SUE Writing (CHOCOLATE BAR)**

FOR THE CARAMEL, ARUSHI, TOLD ME THAT CHOCOLATE AND CARAMEL MAKE A GTEAT COMBO. IS THAT OK WITH U?
*February 8, 2011*

**WRITING(CHOCOLATE BAR)**

i think its great!
*February 8, 2011*

**WRITING(CHOCOLATE BAR)**

i changed my 3rd claim: its now: there are lots of ways to eat it.. and my evidence is you can eat it as a snack or many people eat it as a treat on birthdays im still having trouble for the caramel
*February 8, 2011*

**WRITING(CHOCOLATE BAR)**

but wut about the caramel part, what do i write about that?
*February 8, 2011*

**WRITING(CHOCOLATE BAR)**

wut do i do for the caramel and the tastes soo good mouthwatering crunchy part?
*February 8, 2011*

**WRITING(CHOCOLATE BAR)**

can u tell me the rating of this chocolate bar? if it was rated 1st, 2nd etc...
*February 8, 2011*

**WRITING(CHOCOLATE BAR)**

that doesnt make sense to me? i need evidence that relates to the claim and the mars bar. how do figuring wut chocolate is made from help?
*February 8, 2011*

**WRITING(CHOCOLATE BAR)**

our goal is to pick a candy. My candy i picked was Mars Bar. The teacher told us to make 3 claims of our chocolate and then beside those 3 claims we have to write 3 evidences. The 3 evidences are the things im having trouble on. I have my 3 claims already but i dont have any ...
*February 8, 2011*

**averbs/ ajectives**

would like to tell Ms. Anker that I think that her book is well written. She has really good strategies on how to remember different grammar rules. In Chapter twenty seven, the pronoun chart showed different pronoun usage really well, and the example sentences show how to use...
*February 8, 2011*

**REPORT CARD QUESTION**

hoh yes im o the 1st class !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! YESSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
*February 7, 2011*

**REPORT CARD QUESTION**

requirements for first class honors: must achieve a minimum 3.5 point average A=4p B=3p C+=2.5p
*February 7, 2011*

**REPORT CARD QUESTION**

I got my report card today. I only have 8 subjects. I got 6 A's, 1 B, and a C+. I want to know if I made it on the FIRST CLASS honours. I also got all G's. did I make it on the first class honours? ps: G=good
*February 7, 2011*

**WRITING ADVICE**

Yes that was my post. The site youi gave was very helpful thanks!!!!
*February 3, 2011*

**WRITING ADVICE**

so i thought about what i should write about and my subject is chores! what do you think:)
*February 3, 2011*

**physics!**

A student is about to do a push-up. Her center of gravity lies directly above P on the ﬂoor, which is 1.1 m from her feet and 0.4 m from her hands. If her mass is 55 kg, what is the force exerted by the ﬂoor on her hands? The acceleration of gravity is 9.81 m/s 2 .
*February 2, 2011*

**Writing EASY BRAINSTORMING**

I need a topic to do my essay on. it can be any topic in the wholoe wide world i want it to be interesting.
*January 30, 2011*

**Science EASY HELP**

I had posted this question before but no one answered for half and hour. I finished the first question i posted but i am stuck on this one: A rock that contains a cavity filled with crystals is called a geode. Why are the cyrstals in the middle of the geode larger than the ...
*January 30, 2011*

**Math EASY**

So does that mean im getting an B in gym:(:(
*January 28, 2011*

**Math EASY**

Yes my last 3 marks are 5/5, 5/5, and 3/5.
*January 28, 2011*

**Math EASY**

I dont really know but last time someone did calculations and got me to 81% when i only had 5/5, and 3/5 but now i have 5/5, 5/5, and 3/5. can you do those same calculations. Please and thank you.
*January 28, 2011*

**Math EASY**

I looked at my gym mark again. So far I am at 83% but for the last 3 gym blocks i get 5/5, 5/5, and 3/5. what percent am i at right now?
*January 28, 2011*

**Math**

It will be 2 hours u til the car catches up tot the truck.Sorry, I don't have the work. :(
*January 27, 2011*

**Math EASY**

oh and i thought i was going to get an A in gym? :(
*January 27, 2011*

**Math EASY**

so will i still be at 83% or will it be possible that i get 86%?
*January 27, 2011*

**Math EASY**

Say that I saw my mark in gym. I am at 83% right now. In the following last 2 days before the term ends, I get 3/5 and 5/5. What percent (grade) am I at right now?
*January 27, 2011*

**Algebra I**

5 s.r. 3
*January 24, 2011*

**Math**

What is the surface area of a right circular cylinder topped with hemisphere if the height is 60ft and the length is 20ft?
*January 19, 2011*

**physics!**

A freight train has a mass of 1.8 × 10 7 kg. If the locomotive can exert a constant pull of 6.2×10 5 N, how long does it take to increase the speed of the train from rest to 70 km/h? Answer in units of min.
*January 5, 2011*

**math**

How could you use two color or coins to model 3/4x1/2?
*November 29, 2010*

**Psychology**

thanks Ms. Sue
*November 24, 2010*

**Psychology**

Elisa is a teenage girl who has trust issues with others. She does not like to tell individuals every fact of her life. What could Elisa do to help her trust people more and just be open with them? ok. I think that maybe she could start practising at home how to be more open, ...
*November 24, 2010*

**Math**

How many centiliters of pure acid must be added to 6 centiliters of a 50% acid solution to obtain a 70% solution?
*November 24, 2010*

**ENGLISH**

ok. I think that maybe she could start practising at home how to be more open, like she should be open with her siblings first, only then will she be able to have faith on her friends. Any suggestions?
*November 24, 2010*

**ENGLISH**

Elisa is a teenage girl who has trust issues with others. She does not like to tell individuals every fact of her life. What could Elisa do to help her trust people more and just be open with them?
*November 24, 2010*

**ENGLISH**

Sally is a teenage girl. She is never seemed to be heard of. If she ever has something to state, she is always cut short. This happens to her all the time and she can't help but speculate if it's done deliberatly. This makes sally feel less essential. What should she do?
*November 23, 2010*

**Geometry**

A regular polygon has an exterior angel measure of (x+3) Degrees and an interior angle measure of (13x-33) degrees Find the measure of each angle How mant sides does this polygon have?
*November 22, 2010*

**math**

Slope the Intercept form of the Equation....y-y1=m(x-x1) (3,-2) m=-6/5 (8,-8)
*November 20, 2010*

**Statistics**

How do I do this? I am very lost. If you live in California, the decision to buy earthquake insurance is an important one. A survey revealed that only 133 of 337 randomly selected residences in one California county were protected by earthquake insurance. Calculate the ...
*November 9, 2010*

**English**

1) Friendship is also very important for me. 2) In the future, I'd like to become a chemist; I also would like to graduate and live abroad, maybe in Asia or America. ***3) This sentence is confusing as it sounds as if you are either discussing more than two brothers or ...
*October 23, 2010*

**Chemistry**

The U.S. Food and Drug Administration lists dichloromethane (CH2Cl2) and carbon tetrachloride (CCL4) among the many cancer-causing organic compounds. what are the partial pressures of these substances in the vapor above a mixture containing 1.75 mol of CH2Cl2 and 1.95 mol of ...
*October 18, 2010*

**chemistry**

what should i be aware of when heating NH4andCO3
*October 18, 2010*

**Math**

how would you factor this expresssion I'm so confused. Thank you x^3-4x^2+3x/x+2 times (x^2-3x)
*October 17, 2010*

**Math**

Factor each expression 1-9a^2/a+1 times 4x^2-y^2/x+y Here is what I got: (1-3a)(1+3a)/a+1 times (2x-y)(2x+y)/x+y what am i doing wrong? The final answer is suppose to be 1-3a
*October 17, 2010*

**English**

I'm in 7th grade and I'm doing a lesson plan for the book because of winn-dixie. For the final project I'm going to have students create a diorama that represents the primary or secondary themes in the book. From an adults perspective What do you think the students...
*October 15, 2010*

**Math**

Show that the angle between the vector joining (a, b, c) and (b, c, a) and the vector joining (a, b, c) to (c, a, b) is equal to π/3
*October 12, 2010*

**Chemistry**

How many g of sodium nitrate do I need to make one Liter of 15% m/v solution?
*October 10, 2010*

**3rd grade math**

It would be 1hr and 45 mins of playing on Weds because on Monday Mason starts playing for one hour and then add the 45 mins. Right?
*October 7, 2010*

**Physics**

Highway safety engineers build soft barriers so that cars hitting them will slow down at a safe rate. A person wearing a seat belt can withstand and acceleration of -3.0 102 m/s2. How thick should barriers be to safely stop a car that hits a barrier at 106 km/h?
*September 26, 2010*

**college health care quality mangement**

Please explain three things you have learned about quality and performance . What impact have these three things had on the evolution of health care quality programs? Please substantiate your answers with examples.
*September 26, 2010*

**physics**

Vector A has magnitude 3.87 units; vector B has magnitude 5.63 units. The angle between A and B is 60.0°. What is the magnitude of A and B?
*September 8, 2010*

**algebra**

WHAT IS THE ANSWER
*September 8, 2010*

**algebra**

$1.OOX=0.77+1.24+5X -0.77-0.77 $1.00X=0.47+5X -5 -5 $-4X/0.47=0.47 X=-8.51
*September 8, 2010*

**math**

What is the rule? 6---------4 8---------6 10--------8 50--------48 Rule:________________________________
*September 8, 2010*

**math**

There is a small circle on the left overlapped by a larger circle to the right. The problem reads:If all four sided shapes were here (meaning the smaller circle to the left, and all yellow shapes were here meaning the overlapping larger circle to the right. What would go in ...
*September 8, 2010*

**algebra 2**

I DK
*September 7, 2010*

**begining algebra**

Translate to a variable expression. Four multiplied by the difference of two and a number
*September 6, 2010*

**English**

What does this mean? One should not accept people at face value?
*September 4, 2010*

**health services**

A firm's owners' equity at the start of the year is $700,000. During the year, the firm earned $500,000 in revenue and incurred $400,000 in expenses, what would be the balance in equity at the end of the year.
*August 28, 2010*

**health**

Which of the following structures are regions of the lung? A. Frontal, maxillary, sphenoidal, ethmoidal B. Eustachian, pharynx, bronchi C. Cilia, adenoids, mucous, epiglottis D. Apex, base, hilum
*August 22, 2010*

**college**

does it not matter if they are in g or g/ml?
*August 21, 2010*

**college/ chemistry **

suppose you have samples of two metals,A and B. Use the data below to determine which sample occupies the largest volume
*August 21, 2010*

**college**

suppose you have samples of two metals,A and B. Use the data below to determine which sample occupies the largest volume.. A> mass 25g density 10 g/ml B> mass 65g density 4.0 g/ml
*August 21, 2010*

**Penn Foster**

They are all correct.
*August 19, 2010*

**economics**

If the elasticity of demand for cocaine is −.2 and the Drug Enforcement Administration succeeds in reducing supply substantially, causing the street price of the drug to rise by 50%, buyers will spend less on cocaine.
*August 14, 2010*

**Microeconomics**

A sporting goods store has estimated the demand curve for a popular brand of running shoes as a function of price. Use the diagram to answer the questions that follow. a. Calculate demand elasticity using the midpoint formula between points A and B, between points C and D, and...
*August 7, 2010*

**operation management**

A firm is planning to set up an assembly line to assemble 40 units per hour. Assume that 57 minutes per hour are productive. The time to perform each task and the tasks preceding each task are as follows: Task Preceding Task Time to Perform (Min) A - 0.69 B A 0.55 C B 0.92 D B...
*August 1, 2010*

**math/everything**

do you know any website that can help me with all this 1.Language Arts, Writing, in two parts. •Part 1: Organization, Sentence Structure, Usage, and Mechanics •Part 2: Essay 2.Language Arts, Reading •Poetry •Drama and •Fiction •Non-fiction •...
*July 22, 2010*

**public health**

what does it means to have high levels of lead in your blood
*July 21, 2010*

**math**

-62.2 km/h
*July 21, 2010*

**math**

Calculate dy/dt using the given information. y = (Ãx+1) =12; dx/dt = 8, x = 15, y = 3
*July 4, 2010*

**math**

Use implicit differentiation to find dy/dx. x^5 = cot y
*July 4, 2010*