Saturday
September 20, 2014

Posts by ash


Total # Posts: 429

physics
A train with a velocity of 45.1 m/s must come to an emergency stop in 10.6 s. How far did it travel during this time? i tried to use the x=1/2at^2+vit+xi equation but that did not work..
December 17, 2009

physics
A tailback initially running at a velocity of 6.6 m/s becomes very tired and slows down at a uniform rate of 0.55 m/s2. How fast will he be running after going an additional 6.2 meters?
December 17, 2009

physics
A tailback initially running at a velocity of 6.7 m/s becomes very tired and slows down at a uniform rate of 0.68 m/s2. How fast will he be running after going an additional 6.1 meters?
December 17, 2009

physics
Over a period of 9.0 seconds a plane changes its velocity from 29.5 m/s to 45.7 m/s. What is its uniform acceleration? ---------------- I'm reviewing for my final and i can not think of what the formula to solve this is.
December 17, 2009

English
how do you write great descriptive paragraph
December 7, 2009

antonyms
whats ftthn???
November 18, 2009

physics
A 3.60 kg ball is dropped from the roof of a building 184.8 m high. While the ball is falling to earth, a horizontal wind exerts a constant force of 12.1 N on the ball. How long does it take to hit the ground? (acceleration of gravity = 9.81 m/s^2)
November 6, 2009

calculus
Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal to each other. How fast is the height of the pile increasing when the pile is 20 feet high?
October 29, 2009

calculus
Air is being pumped into a spherical balloon so that its volume increases at a rate of 80cm^3/s. How fast is the surface area of the balloon increasing when its radius is 7cm?
October 29, 2009

chemistry
Fe
October 29, 2009

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

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | Next>>

Search
Members