Monday
August 31, 2015

Posts by ANGELA


Total # Posts: 1,435

Physics
Coefficient of volume expansion of some liquids(a/˚C) Alcohol=1.1x〖10〗^(-4) Glycerin=5.0x〖10〗^(-4) Water=3.7x〖10〗^(-4) Ether=1.63x〖10〗^(-4) Mercury= 1.1x〖10〗^(-4 What is the increase in volume of 0.3m ...
December 8, 2013

Physics
Coefficient of volume expansion of some liquids(a/˚C) Alcohol=1.1x〖10〗^(-4) Glycerin=5.0x〖10〗^(-4) Water=3.7x〖10〗^(-4) Ether=1.63x〖10〗^(-4) Mercury= 1.1x〖10〗^(-4) How much water overflows when a pyrex ...
December 8, 2013

BIOLOGY
Name and discuss the levels of organization in a multicellular organism starting from the basic unit or structure of life.
December 7, 2013

BIOLOGY
How is the evolution of animals the long necked giraffe explained by Charles Darwin?
December 7, 2013

BIOLOGY
Compare the basic principles on which the Darwin’s natural selection and Lamarck’s concepts of evolution are based.
December 7, 2013

BIOLOGY
Differentiate plants from animals based on the following: structure, locomotion, irritability, metabolic process, waste products, growth and development, outer covering and food making processes.
December 7, 2013

BIOLOGY
Discuss the substances needed to carry out the food making process (photosynthesis) by plants and the products of such process.
December 7, 2013

BIOLOGY
Identify name at least one biological science problem and prepare a procedure on how to solve such problem then recommend solutions.
December 7, 2013

BIOLOGY
How will you prepare a laboratory procedure to verify the validity of the hypothesis? Give example.
December 7, 2013

BIOLOGY
Why is a control set-up being done in the conduct of an experiment? Give example.
December 7, 2013

BIOLOGY
Why are traits/scientific characteristics important in the field of science?
December 7, 2013

BIOLOGY
How could you repair an electric fan that is not working properly? Apply the scientific method.
December 7, 2013

BIOLOGY
Thanks Ms.Sue ! God bless !
December 7, 2013

BIOLOGY
Ms.Sue can you explain it ? Thanks!:)
December 7, 2013

BIOLOGY
Why is there a need for a scientist to know the limitations of science?
December 7, 2013

STATISTICS
Two-thirds of papaya plants availabe are hermaphrodite and are self-pollinating. One-third of plants are female and need to be paired withh an hermaphrodite plant in order to be pollinated. Unless the plants are pollinated, they will not bear fruit. If you select three papaya ...
December 7, 2013

Math
Two-thirds of papaya plants availabe are hermaphrodite and are self-pollinating. One-third of plants are female and need to be paired withh an hermaphrodite plant in order to be pollinated. Unless the plants are pollinated, they will not bear fruit. If you select three papaya ...
December 7, 2013

Statistics
Two-thirds of papaya plants availabe are hermaphrodite and are self-pollinating. One-third of plants are female and need to be paired withh an hermaphrodite plant in order to be pollinated. Unless the plants are pollinated, they will not bear fruit. If you select three papaya ...
December 7, 2013

physics
A 2.00 g lead bullet traveling at 650 m/s strikes a target, converting its kinetic energy into thermal energy. It's initial temperature is 40.0°C. Find the available kinetic energy of the bullet. Find the heat required to melt the bullet (both answers in J)
December 6, 2013

physics
A 0.0400 kg ice cube at -30.0°C is placed in 0.400 kg of 35.0°C water in a very well insulated container. What is the final temperature?
December 6, 2013

physics
Some incandescent light bulbs are filled with argon gas. What is vrms for argon atoms near the filament, assuming their temperature is 2100 K?
December 6, 2013

physics
The height of the Washington Monument is measured to be 170 m on a day when its temperature is 35.0°C. What will the change in its height be on a day when its temperature falls to -12.0°C? Although the monument is made of limestone, take the thermal coefficient of ...
December 6, 2013

MATH
A man started to work in 1985 at an annual salary of $8,000. He received a $600 raise each year. How much was his salary in 2012?
November 29, 2013

Math
yes it is
November 29, 2013

Math
A man started to work in 1985 at an annual salary of \$8{,}000. He received a $600 raise each year. How much was his salary in 2012? Salary:
November 29, 2013

statistics
With n=13 and p= 0.7, find the binomial probability p(9) by using a binomial probability table. If np> and nq> 5, also estimate the indicated probability by using the normal distribution as an approximation to the binomial, if np<5 or nq<5 then state that the ...
November 25, 2013

statistics
A clinical trial tests a method designed to increase the probability of conceiving a girl. In a study 306 babies were born, and 174 of them were girls. the sample data with a 0.01 significance level to test the claim that with this method, the probability of being a girl is ...
November 25, 2013

math
I do not understand how the odds of drawing a queen from a deck of cards is 3to1
November 23, 2013

statistics
IQ scores were obtained from randomly selected couples.For 20 such pairs of people, the linear correlation coefficient is 0.881 and the equation of the regression line is y= -6.93+ 10.8x, where x represents the IQ score of the husband. Also, the 20x values have a mean of 105....
November 23, 2013

stastistics
With n=13 and p=0.7, find the binomial probability P(9)by using a binomial probability table. If np> and nq>5, also estimate the indicated probability by using the normal distribution as an approximation to the binomial,if np<5 of nq<5 then state that the normal ...
November 22, 2013

math, facorinf
Find the LCD 19/y6-12y5+36y4
November 15, 2013

statistics
Assume that human body temperature are normally distributed with a mean 98.21 F and a standard deviation of 0.61F a)A hospital uses 100.6 as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever. Does...
November 9, 2013

statistics
Find the indicated critical value. z 0.04 Round to two decimal places as needed. My answer is 1.75 what do guys think.
November 9, 2013

statistics
Find the indicated z score. The graph depicts the standard distribution with a mean 0 and standard deviation 1. 0.945 My answer is 1.6901 but I am not sure if it is correct.
November 8, 2013

statistics
Assume that women's heights are normally distributed with a mean given by u=64.6 in and a standard deviation given by 0=2.8in. a) If 1 woman is randomly selected, find the probability that her height is less than 65in. b) If 49 women are randomly selected, find the ...
November 7, 2013

statistics
Assume that adults have IQ score that are normally distributed with a mean of 105 and a standard deviation 20. Find P, which is the IQ score separating the bottom 10% from the top 90%. Round to the nearest hundredth as needed.
November 7, 2013

statistics
In a region, 90% of the population have brown eyes. If 15 people are randomly selected, find the probability that at least 13 of them have brown eyes. Is it unusual to randomly select 15 people and find that at least 13 of them have brown eyes? Why or why not?
November 4, 2013

statistics
Assume that a procedure yields a binomial distribution with a trial repeated n times. Use a binomial probabilities table to find the probability of x successes given the probability p of success in a given trial. n= 3 , x=1, p= 0.60
November 3, 2013

College algebra
-I need help solving this 72/(-4)+3(-4) _________ 5-(-5)
November 2, 2013

statistics
Assure that a procedure yields abinomial distribution with a trial repeated n times. Use abinomial probabilities table to find the probability if x sucesses given the probability of sucess of a given trial. n=6 x=0 p= 0.70
November 1, 2013

statistics
List below are the duration (in hours) of a simple random sample of all flights of a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time unusual? Why or hwy not? 73 95 238 199 166 268 198 374 260 235 382 339 ...
October 29, 2013

science
During standardization of permanganate solution using sodium oxalate, can the titration between Mno4- and C2o42- at 25degree celcius be perform? state the reasons.
October 29, 2013

statistics
Which is relatively better a score of 48 on psychology test or a score of 52 on an economics test, Scores on the psychology test have a mean of 87 and a standard deviation of 14. Scores on the economics test have a mean of 53 and a standard deviation of 8.
October 27, 2013

math
7-13(x-3)
October 16, 2013

Medical Coding
The patient is an 18-day old baby girl admitted after it was noticed she was placed on intravenous Cefotaxime and Ampicillin, later changed to Cefotaxime and Clindamycin. A culture taken from the umbilical corstump grew Straphylococcus aureus and Grouo H streptocooccus. After ...
October 15, 2013

Algebra
If 3t – 7 = 5t, then 6t =
October 8, 2013

Chemistry
What is the balanced chemical equation for Sr(NO3)2 + Na2PO4
October 2, 2013

12th grade chemistry
2NH(g) + 2.5O2(g) ---><--- 2NO(g) + H2O(g) + Heat
September 24, 2013

Psychology
Explanation of proactive and retroactive interference and how you might counteract their effects while studying in order to facilitate maximum retention via long-term memory
September 20, 2013

math
write the verbal rule for the pattern 13, 14, 15, 16. Find the 15th term in each.
September 15, 2013

Chemistry II
What is the molar concentration of a solution produced by dissolving 1.234 g (NH4)2CrO4 in water and diluting to a total final volume of 300.0 ml? (mass of {NH4}2CrO4 is 152.03 g/mol).
September 3, 2013

math
without using an equal sign
September 3, 2013

math
write 6 less than 14 as an algebraic equation.
September 3, 2013

Algebra 1
Roses-R-Red sells its roses for a fixed down payment of $20 plus $0.75 per stem. Flower Power sells its roses for a fixed down payment of $60 plus $0.50 per stem. Which company offers the better deal? Which flower distributor would you use? why?
August 24, 2013

Chemistry
A mixture of miscible liquids containing 6 moles of A and 4 moles of B is distilled 1 atm (760 mm Hg) of pressure. The initial distillate was analyzed and found to contain 20 mole percent A and 80 mole percent B. a.) What are the partial vapor pressures of A and B in the ...
August 23, 2013

Chemistry
At 80 degrees Celsius, the vapor pressure of pure liquids x, y and z are 385, 190 and 66 mm Hg. what pressure must be exerted on the surface of the solution containing one mole of x, three moles of y, and two moles of z for the boiling point to begin at 80 degrees Celsius?
August 23, 2013

Chemistry
At 80 degrees Celsius, the vapor pressure of pure liquids x, y and z are 385, 190 and 66 mm Hg. what pressure must be exerted on the surface of the solution containing one mole of x, three moles of y, and two moles of z for the boiling point to begin at 80 degrees Celsius?
August 23, 2013

project management
REFER TO APPENDIX EXERCISE #4 IN CHAPTER 6 PROJECT MANAGEMENT COMPUTE EARLY, LATE AND SLACK TIMES
August 23, 2013

Psychology Help!
It wasn’t a test day, there were no oral reports due, and the class was getting ready to view a video. Regardless of the relaxed nature of the class, Baxter suddenly felt his muscles tighten and his heart rate increase as if he had had a sudden fright. It was happening ...
August 9, 2013

Psychology
i got it.. there are chances of a relapse.. so the answer is C!!!
August 9, 2013

Psychology
lectroconvulsive therapy may produce immediate relief from depression, but: A. may result in schizophrenia. B. can also change the hemisphericity of the brain. C. is not a long-term improvement. D. should not be used more than once. B
August 9, 2013

Psychology
The goal of psychodynamic therapy is to: A. change thought processes from negative and dysfunctional to positive and constructive. B. elevate unresolved conflicts and primitive impulses to conscious awareness effective for change. C. prepare the patient for appropriate drug ...
August 9, 2013

Psychology
"Honey, you know how we have always wanted to be in business for ourselves? Well, today I did it! I have rented a 3000 square foot business, hired six employees, ordered office furniture; we are in business." During the first three weeks, Todd was surprisingly ...
August 9, 2013

Psychology
It wasn’t a test day, there were no oral reports due, and the class was getting ready to view a video. Regardless of the relaxed nature of the class, Baxter suddenly felt his muscles tighten and his heart rate increase as if he had had a sudden fright. It was happening ...
August 9, 2013

math
using the formula W=33-(10.45 + 10sqrtv-v (33- T)/22 how do I find the wind chill temperatue for the following given: T=)c, V=15m/sec, T= -10C, V=20m/sec?
August 9, 2013

Psychology
The goal of psychodynamic therapy is to: A. change thought processes from negative and dysfunctional to positive and constructive. B. elevate unresolved conflicts and primitive impulses to conscious awareness effective for change. C. prepare the patient for appropriate drug ...
August 8, 2013

Psychology
got it C!!!!
August 8, 2013

Psychology
Electroconvulsive therapy may produce immediate relief from depression, but: A. may result in schizophrenia. B. can also change the hemisphericity of the brain. C. is not a long-term improvement. D. should not be used more than once. B
August 8, 2013

Psychology
A remarkable change occurred in mental institutions during the late 1950s. Patients became less agitated and many became "out patients" rather than custodial patents. These noticeable changes were the results of: A. antidepressants. B. shock therapy. C. ECT. D. ...
August 8, 2013

Psychology
According to behavioral treatment approaches, abnormal behavior is learned through: A. thoughts based on the perception of events. B. vicarious experiences. C. rewards and punishments. D. conflict experiences in early childhood. A
August 8, 2013

Psychology
"Honey, you know how we have always wanted to be in business for ourselves? Well, today I did it! I have rented a 3000 square foot business, hired six employees, ordered office furniture; we are in business." During the first three weeks, Todd was surprisingly ...
August 8, 2013

Psychology
"The origin of the abnormal behavior is not my concern. We will attack the behavior as it stands and work together to change it, thereby reducing the anxiety you are experiencing." This statement would be typical of the: A. medical perspective. B. psychoanalytic ...
August 8, 2013

Psychology- HELP!!!!
Trish is overweight. When you meet her for the first time, you feel contemptuous. This is an example of: A. stereotyping. B. ethnocentrism. C. discrimination. D. prejudice. A
August 8, 2013

Psychology- HELP!!!!
The salesperson in medication ads dresses to look like a doctor because: A. she has tested the product directly. B. the product was developed by physicians. C. FCC regulations demand this. D. the salesperson’s credibility is enhanced. D
August 8, 2013

Psychology
Observing what a person does under carefully controlled circumstances is a main feature of: A. the Thematic Apperception Test. B. behavioral assessment. C. Rorschach methods. D. the MMPI-2. C
August 8, 2013

Psychology- HELP!!!!
The Minnesota Multiphasic Personality Inventory-2 (MMPI-2) is a test used primarily to measure: A. psychological disorders. B. spatial relationships. C. verbal intelligence. D. unconscious motives. A
August 8, 2013

Psychology- HELP!!!!
Survey research has revealed that one of the most important qualities that people look for in friends is: A. attractiveness. B. loyalty. C. independence. D. intelligence. B
August 8, 2013

Psychology- HELP!!!!
To compare one person’s test scores to the scores of all other people who took the test, psychologists must know something about the test’s: A. projective nature. B. subjective nature. C. length. D. norms. A
August 8, 2013

Psychology- HELP!!!!
Unlike psychodynamic approaches to personality, the learning approach emphasizes: A. latent personality structures. B. self-actualization processes. C. the outer person. D. biological traits B
August 8, 2013

Psychology- HELP!!!!
Shelby is a very outgoing person who likes being around other people and socializing with them. According to the Big Five trait theory of personality, Shelby would be considered to be: A. showing signs of her masculine archetypes in her collective unconscious. B. high on the ...
August 8, 2013

Marketing
A supermarket like woolworth will fall under which marketing segmentation? A. Demographic B.Psychographic C.Geographic
July 29, 2013

algebra
A store sold 29 sweatshirts. White ones cost $ 9.95 and yellow ones cost $ 11.50 If $ 305.05 worth of sweatshirts were sold, how many of each were sold. Let x=the number of white sweatshirts Let y= the number of yellow sweat shirts Complete the system of equations. x+y= $ x...
July 15, 2013

algebra
A non toxic floor wax can be made from lemon juice and food grade linseed oil. the amount of oil should be twice the amount of lemon juice. how much of each ingredient is needed to make 36 ounces of floor wax. let x represent the number of ounces of lemon juice and y ...
July 15, 2013

algebra
Solve the system using elimination X+3y=5 4x+4y=4 I tried to work this problem and this is what I came up with. x+3y=5 x+4y=20 7y=15 y=7/15 and x= (5+y)/4 (5+7/15)/2 2/15 x=2/15 x=2/15, y=7/15 I would like for someone to check to see if it is correct.
July 15, 2013

algebra
$ 5900 is invested, part of it at 12% and part of it at 8%. For a certain year, the total yield is $ 596.00. How much was invested at each rate.
July 14, 2013

algebra
Solve the given system by the substitution method. 2x+y=6, 5x-2y=6
July 14, 2013

American government
I am to draft a paper that critically analyzes a current domestic or foreign political issue of importance to the United States. I want to write about the war on terror after the September 11, attacks. Does anyone think this would be a good topic. If not does anyone have any ...
July 7, 2013

Chemistry
In accordance with Hess's Law, manipulate the following equations and their change in Hrxn to calculate change in Hrxn's for the reaction HClO4 + NH3 N NH4ClO4... HClO4(aq)+ LiOH(aq)¨ LiClO4(aq)+H2O(l) CH3COOH(aq)+ NH3(aq) ...
July 7, 2013

Chemistry
In accordance with Hessfs Law, manipulate the following equations and their ƒ¢Hrxnfs to calculate ƒ¢Hrxn for the reaction HClO4 + NH3 ¨ NH4ClO4... HClO4(aq)+ LiOH(aq) ¨ LiClO4(aq)+H2O(l) CH3COOH(aq)+ NH3(aq) ¨ ...
July 7, 2013

Chemistry
Thank You!!!
July 6, 2013

Chemistry
Final temp was 27.35 degrees celsius
July 6, 2013

Chemistry
It just says, both solutions were initially 21.31 degrees Celsius, not 23.3 1 and specific heat was 4.18 J/g degrees Celsius.
July 6, 2013

Chemistry
27. 0 mL of 1.00 M HClO4 are mixed with 27.0 mL of 1.00 M LiOH in a coffee cup calorimeter. The calorimeter constant is 28.1 J/Celsius. Both were initialized at 23.31 degrees Celsius. Calculate change Hrxn (in kJ/mol) for the reaction.
July 6, 2013

government
Hello, I am to write a paper that critically analyzes a current,domestic or foreign political issue of importance to the United States. I want to write about the war in Iraq. If that is not correct do someone have any suggestions on a topic.
July 5, 2013

math compound interestt
calcualte the compound amount afterr 5 years for an investment of $7,700 at 6% interest compounded quarterly
July 2, 2013

government
What is the current status of campaign finance reform?
July 2, 2013

Chemistry 2
What is the predominant intermolecular force responsible for the dissolution of the hydrophilic end of soap in water? Using dashed lines, illustrate where the intermolecular force occurs between atoms in adjacent molecules? Lone pair electrons have been omitted in the ...
June 30, 2013

Chemistry
A hard water sample contains 121 mg of CaCO3 per liter of water. Calculate the mass of Na3Po4 needed to remove all Ca^2+ ions from 2.50 L of the water sample?
June 30, 2013

American government
I am to develop a policy to increase voter turnout. It is to be a powerpoint presentation. I want to addresses such things as online voting, lowering the voter, and early voting. I am not sure if this is the right way to go. Can someone please help me.
June 27, 2013

business math
tony towing borrows of $12,250 at 9.5% interest for 320 days if bank use exact interest method how much interest will the bank collect? Round to nearest cent
June 25, 2013

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