Tuesday

October 25, 2016
Total # Posts: 520

**chemistry**

26 protons and 24 electrons. write the symbol of ions

*October 29, 2009*

**calculus**

When air expands adiabatically (without gaining or losing heat), its pressure and volume are related by the equation PV^1,4=C where C is a constant. Suppose that a a certain instant the volume is 520 cubic centimeters and the pressure is 99kPa and is decreasing at a rate of ...

*October 29, 2009*

**calculus**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 3 PM?

*October 29, 2009*

**math**

fill in the missing signs to make the sum correct...........8 ? 4 ? 4=9

*October 18, 2009*

**PRE-CALC**

Ummm the answer in the teacher's book says 11 ft by 14 ft. No idea where you guys got 54.5 and 51...

*October 16, 2009*

**government**

the difference among members of the constitutional convention were settled by a duels b compromises c boycotts d all of the above

*October 4, 2009*

**science**

I was wondering where i could find some information or articles about people with opinions about : whether there should be a national curriculum in the united states. I have tried googling the topic but i couldnt find much info there. Anything at this point would help. THANK YOU!

*September 30, 2009*

**Science**

gotcha! thanks very much!

*September 23, 2009*

**Science**

another conversion question: 876.045 mm = _______________m thanks so much!

*September 23, 2009*

**Science**

please help with this conversion: 17cm(cubed)=____ml

*September 23, 2009*

**home economics**

resaerch pictures in books and magasines showing other methods of disposal of fullness

*September 12, 2009*

**PRE CALCULUS**

V = x(16-2x)(19-2x) = 175 ft³ Ok, thanks. Now I'm trying to multiply out and having some difficulty. I am getting 4x^3-70x^2+304x = 175 which I'm not sure how to work with

*September 6, 2009*

**Pre Calculus**

square root of 3x-4 = (x-4)^2-3 Normally, I either take the square root of both sides or I square both sides. Since there is a sqared and a square root, I am confused on how to go about it. Could you please head me in the right direction?

*September 6, 2009*

**MATH Prob.**

in a writting competition, the first place winner receives 1/2 of the prize money.the second runner up receives 1/4 of what the winner won .what was the total amount of prize money distributed if the winner receives $6000.

*August 20, 2009*

**Business**

I have a multiple choice question I don't know how to do, please help. I was thinking d). Structural resources of a frim include a) customer relationships b) databases c) organizational procedures d) All of the above e) None of the above

*July 8, 2009*

**Legal**

yes, i am looking for a definition for both.

*June 14, 2009*

**Legal**

What is the difference between infringing use and non-infringing use?

*June 14, 2009*

**math**

retarted adding two cylinders together

*April 21, 2009*

**Economics**

bcdbaabcddcbba

*April 14, 2009*

**Stats help!**

Does anyone know how to find the variance or something if only the correlation of something is given and the other way around?? I really need help with this! THANK YOU!

*April 6, 2009*

**stats ?**

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students who were identified ...

*April 6, 2009*

**stats ?**

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students who were identified ...

*April 5, 2009*

**STATS ?**

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A.Kindergarten students who were identified ...

*April 5, 2009*

**stats ?**

There are 5 situations below. Can someone please match the situations up with the threat. These would be in a quasi-experimental design. The threats are history, maturation, mortality, testing, and instrumentation threat. THANK YOU! A. Kindergarten students who were identified...

*April 5, 2009*

**science**

do you know some plants in the tundra?

*March 19, 2009*

**random assignment-stats**

Would this correctly result in random assignment? A researcher assigns students to one of three conditions based on the month of their birth. If they were born in January, April, July, or October, they are assigned to condition A. February, May, August, and November births are...

*March 2, 2009*

**random assignment-stats**

sorry. thanks for letting me know!

*March 2, 2009*

**random assignment-stats**

Would this correctly result in random assignment? 1. A researcher assigns students to one of three conditions based on the month of their birth. If they were born in January, April, July, or October, they are assigned to condition A. February, May, August, and November births ...

*March 2, 2009*

**chem**

If 60.0 mL of 0.150 M CaCl2 is added to 50.0 mL of 0.100 M AgNO3, what is the mass in grams of AgCl precipitate?

*March 2, 2009*

**stats ?**

In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native language is Spanish to a bilingual program for 8 week. To test the effectiveness of this program, then also need a control condition, in which the ...

*March 2, 2009*

**stats ?**

The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs for students with dyscalculia (like dyslexia, only numbers are the problem, rather than words!). The students are 60 8th graders at a magnet school ...

*March 2, 2009*

**stats ?**

A researcher investgating depression devises a study that contains the independent variable "Treatment," manipulated between-participants. Participants may experience "psychodynamic therapy," "cognitive behavioral therapy," "medication,"...

*March 2, 2009*

**stats ?**

A researcher is designing a study to examine whether "talk therapy" (psychotherapy) can help people suffering from depression, as an add-on to taking medication. Finances and logistics limit her to having one control group, so she has to choose the best (not ...

*March 2, 2009*

**stats**

In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native language is Spanish to a bilingual program for 8 week. To test the effectiveness of this program, then also need a control condition, in which the ...

*March 1, 2009*

**stats**

The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs for students with dyscalculia (like dyslexia, only numbers are the problem, rather than words!). The students are 60 8th graders at a magnet school ...

*March 1, 2009*

**stats**

A researcher investgating depression devises a study that contains the independent variable "Treatment," manipulated between-participants. Participants may experience "psychodynamic therapy," "cognitive behavioral therapy," "medication,"...

*March 1, 2009*

**stats**

A researcher is designing a study to examine whether "talk therapy" (psychotherapy) can help people suffering from depression, as an add-on to taking medication. Finances and logistics limit her to having one control group, so she has to choose the best (not ...

*March 1, 2009*

**chem**

A quantity of 16.13 mL of a KOH solution is needed to neutralize 0.4883 g of KHP. What is the concentration (in molarity) of the KOH solution? I don't even know where to begin with the first one. Calculate the amount of heat liberated (in kJ) from 375 g of mercury when it ...

*February 26, 2009*

**stats multiple choice ?**

A researcher reports that "Students were randomly assignment to intervention or a control group; the two groups did not differ significantly prior to the start of the intervention. At the end of the study, those receiving the intervention showed statistically significant ...

*February 18, 2009*

**Stats multiple choice ?**

If we are told that statistical significance has been achieved, what does that allow us to infer? A. That the differences seen in the samples can be generalized to the population that the sample represents. B. That the measures used are valid and reliable. C. That each of the ...

*February 18, 2009*

**stats multiple choice ?**

A researcher reports that "Students were randomly assignment to intervention or a control group; the two groups did not differ significantly prior to the start of the intervention. At the end of the study, those receiving the intervention showed statistically significant ...

*February 18, 2009*

**Stats multiple choice ?**

What is wrong with the following statement: “In our study, people with bipolar disorder who underwent therapy in addition to taking medication were significantly less likely (p < 0.05) to require hospitalization as compared to those taking medication alone. We found no...

*February 18, 2009*

**mean ?**

Does any one know how to find the mean of a normal gaussian distribution just by looking at the graph??

*February 18, 2009*

**mean & mode ?**

If you were a teacher, and these numbers represented your students' scores on a test, would the median or mean give a better picture of the overall class performance? The numbers are 22,38,42,65,75,76,79,82,83,87,88,89,89,91,92,94,96,97,98 The mean is: 78.053 & the median ...

*February 18, 2009*

**chemistry**

how many milliliters of 5M NaCl are required to prepare 1500 ml of .002M solution?

*February 5, 2009*

**chemistry**

thanks

*February 5, 2009*

**chemistry**

how many grams of solid NaOH are required to prepare 200 ml of a .05 M solution?

*February 5, 2009*

**biology**

A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50-L container of cold water, what would be the approximate increase in the temperature of the water?

*January 30, 2009*

**pre cal**

what is the sum of e or 1n

*January 11, 2009*

**precal**

(-8)the exponent is -1/3

*January 7, 2009*

**precal**

(48)with the exponent of 1/2

*January 7, 2009*

**Chemistry...Please Help**

eric is right. pg 682 has it listed. but its the same thing gk was saying, just less work

*January 6, 2009*

**government**

What different kinds of opinions do Justices of the Supreme Court write?

*December 14, 2008*

**Math**

50%

*December 9, 2008*

**algebra**

What is 4x+12=20

*November 30, 2008*

**ap euro**

the french goverment tried to improve living standards for the rural poor by a)paying a stipend to poor families b)encouraginf chea; english imports c)hiring the poor on major public works projects d)establishing a nat'l network of free public elementary schools e)...

*November 29, 2008*

**ap euro**

After 1700, Spain a) began losing chunks of her empire to britian b)recovered the late 17th century crisis and held on to her american empire c)acquired brazil from portugual d)abandoned california e)withdrew from slave trade

*November 29, 2008*

**ap euro**

by the 1770s, the biggest increase in foreign trade was with

*November 29, 2008*

**Case study**

Where can i find real company case studies?

*November 17, 2008*

**negative prefixes**

I am trying to plan a lesson about negative prefixes for 5th graders and can't find any good websites to help me. I was hoping someone could help me find some resources. If someone knew of a fun or interesting way to teach this lesson that would be even better. Thank you!

*November 15, 2008*

**prealgebra**

2=n-(2n+3)

*November 12, 2008*

**physic**

a car travels in a straight line for 3 h at a constant speed of 53 km/h. what is the acceraleration? answer in units of m/s2.

*November 1, 2008*

**Pre-Cal**

xy=2 {{x^2=3+y^2}}

*October 21, 2008*

**12th grade Physics**

a car travels in a straight line for 3 h at a constant speed of 53 km/h. what is the acceraleration? answer in units of m/s2.

*October 7, 2008*

**Ethnic Diversity**

yepp in the same class right now... this is crazy I cannot find anything for this Checkpoint. This bits but Ima have to try my best. Even if it means no luck... If anyone can figure it out let me know. =)

*September 2, 2008*

**keybording and word processing**

A) Only A

*June 9, 2008*

**Algebra**

what is 3 to the square root of 75 plus 2 to the square root of 5

*May 16, 2008*

**Geometry**

Given angle 1 = (x + 7)degree, angle 2 = *(2x -3)degree, angle ABC = (x 2nd power) degree, angle D = (5x - 4)degree. Show that angle ABC congruent to angle D

*May 1, 2008*

**literary term definition**

what literary term might be used for this? "but if possibility of evil be to exclude good, no good ever can be done

*April 18, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

when do sky divers use decimals?

*April 6, 2008*

**math**

12 ln x=44

*March 23, 2008*

**HELPPPPPP**

Ms. Sue, you're here to HELP. Not get smart with people trying to find help, which is your job on here. I don't care if she posted it in the math section, if you're not going to help then don't answer! Your job is NOT to get smart and direct people to the right...

*March 18, 2008*

**math-probability**

Mary has 3 boxes with Marbles. Eavh box is labeled so that she knows what is in each box. She has 1 box with 2 blue marbles, another box with 2 red marbles and a 3rd box with 1 red and 1 blue marble. Mary's little sister removed all the labels and she placed them back ...

*March 4, 2008*

**math-probability**

A King sends for 3 prisoners. HE has 3 black hats and 2 white hats. He blindfolds the prisoners & puts a hat on each. He then removes the blindfolds & allows them to look at each other. He tells them that if they can tell him the color of the hat they have on, he will set them...

*March 4, 2008*

**math-probability**

Mary has 3 boxes with Marbles. Eavh box is labeled so that she knows what is in each box. She has 1 box with 2 blue marbles, another box with 2 red marbles and a 3rd box with 1 red and 1 blue marble. Mary's little sister removed all the labels and she placed them back ...

*March 4, 2008*

**Algebra**

im confused on how to go about the problem. thats y i need help on how to start.

*February 25, 2008*

**Algebra**

All the even numbers from 2 to 98 inclusive, except those ending in 0, are multiplied together. What is the rightmost digit, that is, the units digit of the product? (a) 0 (b) 2 (c) 4 (d) 6 (e) 8

*February 25, 2008*

**Algebra**

im confused on how to go about the problem. thats y i need help on how to start.

*February 25, 2008*

**Algebra**

The positive integer 4 can be represented as a sum of 1's or 2's in five ways, such as 1 + 2 + 1 and 1 + 1 + 2. Show all the ways that the positive integer 5 can be represented as a sum of 1's or 2's.

*February 25, 2008*

**Algebra**

im confused on how to go about the problem. thats y i need help on how to start.

*February 25, 2008*

**Algebra**

What is the sum of all possible digits that could fill in the blank in 47_021 so that the resulting five digit number is divisible by 3?

*February 25, 2008*

**Algebra**

What is the sum of all two digit positive integers whose squares end with the digits 01?

*February 25, 2008*

**algebra**

im confused on how to go about the problem. thats y i need help on how to start.

*February 25, 2008*

**algebra**

If a is 50% larger than c and b is 25% larger than c, then a is what percent larger than b? (a) 20% (b) 25% (c) 50% (d) 100% (e) 200%

*February 25, 2008*

**Physics**

A volleyball is spiked downward at a 55 degree angle gom the vertical net.If the ball is traveling at 22m/s, what are its horizontal and vertical components?

*January 27, 2008*

**Physics**

A snail crawls up a bent piece of grass at 2cm/s. If the grass makes a 75 degree angle to the ground,what are the horizontal and vertical components of the snails velocity?

*January 27, 2008*

**Algebra**

my teacher gave it to me an i strictly copied an pasted. i think that i have to solve the equation using algebra.by finding the value for A,plug in in an so forth..is that right???

*January 27, 2008*

**Algebra**

Suppose that a, b, and c are digits for which the number 708,16b,8c9 is a multiple of 99. Find a+b+c.

*January 27, 2008*

**Algebra**

Digit d is randomly selected from the set {1, 2, 3, 4, 5, 6, 7, 8, 9}. Without replacement of d, another digit, e is selected. What is the probability that the two digit number de is a multiple of 3

*January 27, 2008*

**Calculus**

well i know it has to begin and end with a 1,3,4,5, or 7.but i dnt know at to do after...

*January 26, 2008*

**Calculus**

well i know it has to begin and end with a 1,3,4,5, or 7.but i dnt know at to do after

*January 26, 2008*

**Pre AP Physical Science**

If a person's average speed for a 10.00 kilometer race is 5.644 meters per second, what was her winning time?

*January 24, 2008*

**science**

HELP! (UNGERT)due next week tue 11 dec :what the similarities+differences between a light microscope and a electron microscope?

*December 4, 2007*

**science**

similarities+differences between a light microscope and a electron microscope?

*December 4, 2007*

**math**

I hate u!

*December 3, 2007*

**CHEM**

Always polar on mastering chemistry

*November 26, 2007*

**Math**

Help!

*November 1, 2007*

**Math**

(-2) and -2^2. Why are the answers different?

*November 1, 2007*

**alternative health**

what are the cell builders

*October 29, 2007*