# Posts by liz

Total # Posts: 1,301

**statistics**

Calculate SS, variance, and standard deviation for the following population of N _ 7 scores: 8, 1, 4, 3, 5, 3, 4. (Note: The definitional formula works well with these scores.)

*June 22, 2011*

**statistics**

Calculate SS, variance, and standard deviation for the following sample of n _ 4 scores: 3, 1, 1, 1. (Note: The computational formula works well with these scores.)

*June 22, 2011*

**Physics**

ac=v^2/r m/s 90 mins is about 1.5 hrs, so 2(pi(3.14))(4175)/1.5= 17479.3 m/s^2

*June 21, 2011*

**chemistry**

Determine the Molarity of a 125 mL NaOH solution if upon titration with 5.5 mL of an 2.5 M HCl solution, the end point of the titration was reached

*June 15, 2011*

**Calculus**

Thank you!!

*June 14, 2011*

**Calculus**

Let R be the region bounded by y = 1/x, the lime x = 1, the line x = 3 and the x-axis. The line x = k divides R into two regions of equal area. Determine k.

*June 14, 2011*

**Calculus**

The answer has to be one of the following: a. L=90t-50 b. L= sqrt(4100t) c. L= sqrt(4100t^2 +5000t +2500) d. L= sqrt(4100t^2-5000t + 2500) e. L= sqrt(90t-50)

*June 8, 2011*

**Calculus**

A car passes by a certain point at time t = 0 hours heading east at 40 miles per hour. At t = 1 hour another car passes by the same point heading north at 50 miles per hour. What is the functiuonthat equals the distance between the two cars?

*June 8, 2011*

**Math**

1439.6926 ft

*May 29, 2011*

**accounting**

Triple Play, Inc Triple Play, Inc. was established in 1982 by Randy Cleaver, Jim “Bluefish” Johnson, and Willie Lloyd, all ex-major league baseball players who were interested in offering quality baseball mitts at affordable prices. These players felt that, at the ...

*May 20, 2011*

**CEM 122**

What is the purpose of the "blank" in a experimental analysis?

*May 17, 2011*

**A simile**

Is this simile? Feeling the cold air that is as cold as the cold words that said I couldn't do it.

*May 15, 2011*

**statistics**

According to the IRS, 70% of Americans file their taxes electronically. For a group of 12 American adults who were selected at random, what is the probability that at least five of them file their taxes electronically?

*May 14, 2011*

**pirate history**

also, are there any websites displaying the flag?

*May 12, 2011*

**pirate history**

are there anymore websites due to that my school does not allow me to go to the website posted by Ms. Sue?

*May 12, 2011*

**pirate history**

What weapons did the Barbary Corsairs use?

*May 12, 2011*

**latin**

The most significant reason for the decline of the Latin Grammar School was that it:

*May 5, 2011*

**Poetry**

Anything. Just describing something

*May 4, 2011*

**Poetry**

I need a seven long line iambic pentameter poem. PLEASE HELP...I have no idea how to do this and my teacher will fail me. please please help

*May 4, 2011*

**animal help**

i don't know. I'm very worried about it.I'm sorry.

*April 29, 2011*

**animal help**

really? is there any other way?

*April 29, 2011*

**animal help**

Oh, and I forgot to mention:I am going on a trip tomorrow and it is bleeding on its wing due to my cat.

*April 29, 2011*

**animal help**

what if it is cold? And it kinda smells like urine but it didn't go "potty"

*April 29, 2011*

**animal help**

I just found a baby bird.We think it is a red cardinal.My family is unsure what to feed it.It is newborn.What do we do?

*April 29, 2011*

**economics**

This is my son who is in 10th grade homework assignment. I want to be able to help and not look like a dope! I really have no clue! 1. Why do economists consider growth in the average labor productivity to be the key factor in determining long run living standards? 2. And, Let...

*April 29, 2011*

**physics**

What pressure difference is required between the ends of a 2.0--long, 1.0--diameter horizontal tube for 40 water to flow through it at an average speed of 4.0 ? I know we have to find delta P, but i'm stuck on how to do that. Help would be great

*April 12, 2011*

**Physics**

A ramp, a pulley, and two boxes. Box A, of mass 10.0 kg, rests on a surface inclined at 37° to the horizontal. It is connected by a lightweight cord, which passes over a massless and frictionless pulley, to a second box B, which hangs freely as shown. If the coefficient of...

*April 10, 2011*

**algebra**

what is the fraction form of -0.048

*April 9, 2011*

**algebra**

If your thinking of a number between 8 and 15-which is it most likely to be

*April 9, 2011*

**English**

Explain how Tom Joad's imprisonment affect the way he behaved during the journey and throughout his search for work in California.

*April 7, 2011*

**English**

Explain how Tom Joad's imprisonment affect the way he behaved during the journey and throughout his search for work in California.

*April 7, 2011*

**Physics**

35 of copper pellets are removed from a 300 oven and immediately dropped into 120 of water at 20 in an insulated cup.What will the new water temperature be? I'm stuck on this problem and could use some help. I used q pellets = m · Cp · ΔT and q water = m...

*April 5, 2011*

**math**

What is the difference between the shape of a side view of a triangular prism and a top view of a triangular prism?

*April 3, 2011*

**math**

Which choice below gives the number of faces, edges, and vertices of a rectangular pyramid? A. 5, 8, 5 B. 4, 7, 4 C. 6, 12, 8 D. 8, 10, 8

*April 3, 2011*

**math HELP!!**

1/4! Thank you very much!!!

*April 3, 2011*

**math HELP!!**

Adam colored two parts of a 4 × 4 grid. He colored 1_ 2 of the squares red and 1_ 4 of the squares blue. How many of the squares are not colored? Explain your answer. What fraction of the squares are not colored? Explain your answer.

*April 3, 2011*

**math HELP!!**

I get it now. Thank you and sorry for troubling you!

*April 3, 2011*

**math HELP!!**

what I don't get is if I'm supposed to add ,subtract,divide,multiply,or use some of them.

*April 3, 2011*

**math HELP!!**

any other suggestions, ms. sue?

*April 3, 2011*

**math HELP!!**

excuse me but what is ...

*April 3, 2011*

**math HELP!!**

. Adam wants to compare the fractions 2 5 1 6 , and 1 3 . He wants to order them from least to greatest and rewrite them so they all have the same denominator. Explain how Adam can rewrite the fractions.

*April 3, 2011*

**geometry AGAIN**

Which sold has the most vertices? A.Triangular Prism B. Rectangular Prism C.Rectangular pyramid D.Square Pyramid

*March 31, 2011*

**geometry**

What solid has 2 triangular faces and 3 rectangular faces?

*March 31, 2011*

**phi 103**

The second level of argumentation, where generalizations can be found in the form of public opinion polls, ratings for television and radio stations, and research surveys. (Points : 1)

*March 26, 2011*

**chemistry**

No. A buffer is made by mixing a weak acid and its conjugate base. For example, HC2H3O2 + NaC2H3O2

*March 24, 2011*

**chemistry**

Partial pressures are additive. So, total pressure - partial pressure of Hg = partial pressure of nitrogen. Use PV = nRT (using nitrogen's partial pressure) to find volume.

*March 24, 2011*

**CHEM**

You need to know the volume of the solution being titrated. Are the two solutions mixed (buffer)?

*March 24, 2011*

**Chemistry (please help!!)**

(P1xV1)/T1 = (P2xV2)/T2 T2 = (P2xV2xT1)/(P1xV1)

*March 23, 2011*

**Chemistry**

0.01L x 3.20 mol Ca(OH)2/1L x 1000mL/1.211mol H2SO4 =

*March 23, 2011*

**Chemistry-102**

0.025L x 0.25 mol HCl/1L = mol HCl 0.025L x 0.125 mol NaOH/1L = mol NaOH HCl + NaOH --> H2O + NaCl You have twice as many moles of HCl as NaOH, so there will be left over HCl. Find the moles of HCl left over and divide by the combined volumes to get its molarity. That will ...

*March 23, 2011*

**chemistry**

HCl is a strong acid, it completely ionizes HCl + H2O --> H3O+ + Cl- The concentration of H3O+ = the concentration of HCl.

*March 23, 2011*

**Medical Information management**

Mercys hosptials filing system is a middle digit. What is a disadvantge of middle digit filing? a. less accurate b. requires more staff training c. provides less ven distribtuin of recors that straight numeric d. Can't be converted to terminal digit filing

*March 18, 2011*

**Medical Information management**

Henry Moore reviewed record 88-00-17 and discovered a missed dose of triazolam on march 10. the type o review is called? a. quantititative b. utilization c. qualitative d. concurrent

*March 18, 2011*

**Medical Information management**

Henry moore reviewed medical record 88-oo-17 and discovered a missed dose of triazolam on march 10. This type of review is called a/an _____review. a. quantitative b. utiliation c. qualitative d. concurrent

*March 18, 2011*

**Physics**

22*0.7

*March 14, 2011*

**all**

how can a pkan ofaction help youadddress a current problem or challlenge you are having in school?

*March 10, 2011*

**math HELP!!**

Are the following simplified fractions? 1.1/2 2.1/5 3.2/3 4.5/6 5.3/4 6.4/8,1/2

*March 8, 2011*

**calculus**

Find the rate of change of area in respect to temperature of a rectangle. Its a steel plate that expands when heated. I have to find that rate of change when width is 1.7cm and length is 2.9. dl/dt=1.0 x 10^-5 (this is an exponent...) and dw/dt=8.0 x 10^-6

*March 6, 2011*

**Math**

then multiply 256 times two. If I am correct, the answer is 512.

*March 6, 2011*

**computers**

thank you all!!!

*March 5, 2011*

**computers**

I am going to become a tutor for kids grade K-3.I am tutoring Math, Writing, and Reading. Do you know any good websites that contain free printable worksheets?

*March 5, 2011*

**social studies**

cause she's the U.S. Secretary of State.

*March 5, 2011*

**physics**

please help. a pitcher throws a .50kg ball of clay at a blck of woo. the clay sticks to the wood on impact, and thier joint velocity afterwards is 3.0m/s. what is the original speed of the clay. please help with this question

*March 2, 2011*

**chemistry**

Internal energy = heat + work Work = Internal energy - heat heat = -5074.1kJ (combustion is always exothermic, so negative) work = -5084.3 kJ - (-5074.1) kJ =

*February 20, 2011*

**science/maps**

Yes

*February 20, 2011*

**chemistry**

Given: v with a power of 1 is 50 Ml and t with a power of 1 is 30 degrees c. what is the volume with a power of two when T with a power of 2 is 20 degrees C

*February 17, 2011*

**science**

what keeps the moon traveling in the same path eah time it orbits earth

*February 14, 2011*

**algebra**

The area of a rectangle athletic field is represented by the expression 12y^3+48y^2+24y sqaure meters. write an algebraic expression to represent one possible set of dimensions (in the same sense ''length times width'') of the athletic field. include the ...

*February 11, 2011*

**algebra**

The area of a rectangle athletic field is represented by the expression 12y^3+48^2+24y sqaure meters. write an algebraic expression to represent one possible set of dimensions (in the same sense ''length times width'') of the athletic field. include the correct...

*February 11, 2011*

**algebra**

Thee area of the rectangle athletic field represented by the expressio 25y^2-4z^2 square meters. Write an algebriac expression to represent one possible set of dimensions(in the sense''length times width'')of the athletic field. include units with the solution

*February 11, 2011*

**animals**

How many eggs can a Little Blue Penguin lay? And what are their color features?

*February 10, 2011*

**animals**

What is the location of the Little Blue Penguin?

*February 10, 2011*

**college chemistry**

Calcium oxide (CaO), an important ingredient in cement, is produced by decomposing calcium carbonate (CaCO3) at high temperature: CaCO3(s) → CaO(s) + CO2(g) In one particular reaction, 40 g of CaCO3 is heated at 750°C in a 5.0 L vessel. The pressure of CO2 is 0.12 ...

*February 8, 2011*

**chemistry**

Internal energy = heat + work heat = -196 kJ work = 4200 kJ Internal energy = -196 kJ + 4200 kJ

*February 8, 2011*

**Math**

985

*February 7, 2011*

**Math**

Is (0,2) a orderd pair a solution of 4x - 3y = 6? Explain.

*February 7, 2011*

**science**

ethanol, C2H5OH, is responsible for the effts of intoxication felt after drinking alcoholic beverages. When ethanol burns in oxygen, carbon dioxide and water are produced. IF you have 256g of ethanol and 100 grams O2, calculate the amount product produced. You need to write ...

*February 6, 2011*

**Chemistry**

Aluminum has a density of 2.99 grams per cubic cm. and a specific heat of 0.22 calories per gram degree Celsius. A cube of aluminum is sitting out in the sun where it absorbs 16.2 calories of heat and warms from 62*F to 149*F How many inches wide are the sides of the cube?

*February 2, 2011*

**Chemistry**

Aluminum has a density of 2.99 grams per cubic cm. and a specific heat of 0.22 calories per gram degree Celsius. A cube of aluminum is sitting out in the sun where it absorbs 16.2 calories of heat and warms from 62*F to 149*F How many inches wide are the sides of the cube?

*February 2, 2011*

**History**

I'm not sure about general but I think welfare is the state of doing well in like happiness and good fourtune

*January 31, 2011*

**History**

What is general welfare?

*January 31, 2011*

**History**

Descirbe "To provide common defense"

*January 31, 2011*

**math**

Minimize c = x + y subject to x + 5y ≥ 6 5x + y ≥ 6 x ≥ 0, y ≥ 0.

*January 29, 2011*

**math**

Maximize and minimize p = x + 2y subject to x + y ≥ 8 x + y ≤ 10 x − y ≤ 8 x − y ≥ −8. Minimum: p = 1 x = 2 y = 3 Maximum: p = 4 x = 5 y = 6

*January 28, 2011*

**math**

You are thinking of making your mansion more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs, and insulating part or all of your exterior walls. Each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy ...

*January 28, 2011*

**MATH**

noo

*January 28, 2011*

**MATH**

I had these as the equations but how do u set them up to find how many of each to maximise profit

*January 28, 2011*

**MATH**

The Megabuck Hospital Corp. is to build a state-subsidized nursing home catering to homeless patients as well as high-income patients. State regulations require that every subsidized nursing home must house a minimum of 770 homeless patients and no more than 900 high-income ...

*January 28, 2011*

**History**

What are two executive powers of the president of the united states?

*January 25, 2011*

**geometry**

find all points of form (x,-1) 4 units from point (3,2)

*January 23, 2011*

**computers**

these are the synonyms for spiral : circling, circular, circumvoluted, cochlear, coiled, corkscrew, curled, helical, helicoid, radial, rolled, screw-shaped, scrolled, tendrillar, tortile, voluted, whorled, wound

*January 19, 2011*

**computers**

any other websites, Ms Sue?

*January 19, 2011*

**computers**

What are the best websites to find facts on inventions such as the spiral notebook?

*January 19, 2011*

**histoy**

i don't have a hole punch but thanks for your help.

*January 19, 2011*

**histoy**

what about shoelace?

*January 19, 2011*

**histoy**

it's just that i don't have much at home.The ribbon,well,let's just say I've never seen one in my life and I can't find my pipe cleaners!What do I do?! :(

*January 19, 2011*

**histoy**

what other material could i use? I'm sorry to keep bothering you but i have a report on this due TOMORROW!!!

*January 19, 2011*

**histoy**

what about pipe cleaners? I want to be creative.also, I don't have metal.

*January 19, 2011*

**histoy**

how would you make a spiral notebook with yarn,paper, and a pre-hole punched folder?

*January 19, 2011*

**histoy**

What are some interesting facts on the spiral notebook?

*January 19, 2011*