Sunday
November 23, 2014

Posts by sandra


Total # Posts: 929

Mathematics
Thank you
December 17, 2013

psychology
the legal requirement that professionals notify appropriate authorities about cases in which children and certain other groups of vulnerable individuals are being abused is referred to as a) parens patriae. b)informed consent. c)duty to warm. d)mandated reporting.
December 11, 2013

Physics
In this section assume the sound speed in air is 343 m/s. A goose flying toward you at 12.6m/s emits a squawk, which you hear at 258Hz . A)Find the wavelength of the sound you hear B)Find the wavelength of the sound you hear if the goose emits the same squawk while flying away...
December 2, 2013

Physics
A 4.06m long organ pipe is open on both ends. A)Find its fundamental frequency. B)Find its first three overtone frequencies
December 2, 2013

Physics
Ultrasound with f = 4.4MHz is used in a medical imager A)Find the wavelength in air, with sound speed 343 m/s. B)Find the wavelength in muscle tissue, with v = 1580 m/s
December 2, 2013

Statistics
125/500 women soda drinkers indicate they drink diet soda. At the .01 level, does this evidence indicate that more than 20% of the women soda drinkers drink diet soda? Determine and explain the P-value please. I have the numbers...just cannot explain. Please help.
November 23, 2013

physics
Find the distance by which a 42cm diameter, 9.4m tall concrete column is compressed when it supports a 12900kg load
November 19, 2013

physics
How big would a spherical helium balloon have to be to lift a 70kg person? The mass of the balloon's skin is 4.0kg
November 19, 2013

physics
Water flows at 0.860m/s from a hot water heater, through a 450-kPa pressure regulator. The pressure in the pipe supplying an upstairs bathtub 3.70 m above the heater is 414-kPa. What's the flow speed in this pipe?
November 19, 2013

statistics
Please help- A random sample of n=500 households where 150 have combined cable,phone, and internet service. Firrst, calculate p-hat, the sample proportion of households having such service. Then use a confidence level for pi, the proportion of all households in this area that ...
November 13, 2013

statistics
standard deviation 1.2. Random selection of 70 found a mean of 5.2. I have to find a 87% confidence level given this info?
November 13, 2013

english
What does this quote mean/significance?-Candide by Voltaire-"Men... must have corrupted nature a little, for they were not born wolves, and they have become wolves. God did not give them twenty-four-pounder cannons or bayonets, and they have made bayonets and cannons to ...
November 3, 2013

math
determine ratio for 4 feet to 32 inches & 10 days to 40 hours. for the 1st I got 48/32=3/2 but i'm not to sure about the other one, it would be less than 2 days?
October 20, 2013

penn foster
No what's the answer
October 15, 2013

BUSINESS 101
B D
October 15, 2013

math
if the coefficient of x,x*x,x*x*x in the binomial expansion (1/2+x) whole raise to 2n are in AP. Show that 2nsquare- 9n +7 is equal to zero?
October 12, 2013

statistics
Use the normal dist to approx the desired prob. Find the prob of getting at most 30 fives in 200 tosses of a fair 6 sided die
October 4, 2013

Creative Expression and Play
Appropraite materials and equipment for outdoor play should contain:
September 11, 2013

statistics
Can you please tell me how to solve for the following? Pedro took an exam in a class in which the mean was 64 with a standard deviation of 6. If his z score was +3, what was his exam score? A students commute to school is normally distributed with a mean of 31 min and a ...
July 28, 2013

stats
I am having a bit of trouble with the top half of the questions. I have an answer below for questions 5-10, is there anyway you can check those answers and help me with the rest I am having trouble with. Thank you. 1. The area to the right of 1.93 under Student's t-curve ...
July 22, 2013

stats
I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
July 22, 2013

statistics
A physician routinely makes physical examinations of children. She is concerned that a three-year-old girl has a height of only 87.8 cm. Heights of three-year-old girls have a mean of 97.5 cm and a standard deviation of 6.9 cm (based on data from the National Health and ...
July 13, 2013

foreign language
How do you use the appropriate forms of the adjectives simpatico, dificil, aleman, and guapo?
July 5, 2013

essex county
and it is a rope not robe
June 27, 2013

essex county
just dont know how to start
June 27, 2013

Math
Maximize P=3x+2y subject to 6x+3y<=24 3x+6y=<30 X,Y>=10
June 18, 2013

Math
A company manufactirung snowboards has fixed costs of $200 per day and total cost of $3800 per day at a daily output of 20 boards. (A( Assuming that the total cost per day, C(x), is linearly related to the taotal out per dau,x, write an equation for the xost function (B) The ...
June 18, 2013

Introduction to Algebra MAT 221
Factor each polynomial completely. Show all work. Show each step. x^4 - x^3.
June 6, 2013

Physics
A 50 ohm resistor is connected in series with a 0.2 H inductor, a 40 microFarad capacitor, and an AC Generator yielding 120 v (RMS) at 60 Hz. Find A) the inductive reactance b) the capacitive reactance and c) the total reactance, the impedance Z, and the current in Circuit, I.
May 10, 2013

Chemistry Question
Calculate the ∆G˚ for the oxidation of nickel in the following balanced reaction. 2[RhCl6]3-(aq)+ 3Ni a 2Rh(s) + 3NiCl2(aq) + 6Cl-(aq) E˚ for RhCl6 is 0.5V E˚ for Ni(s) is -0.25V
May 10, 2013

College Chemistry 104
Oh dear, I am so stupid! Thank you. I can't believe that I didn't even realize that.
May 10, 2013

math
not sure how to solve this problem, Mrs. Smith put $5,000 into a certificate of deposit at the bank that paid 6% interest per year. if the bank paid simple interest on this money, how much would Mrs. Smith earn in a year
April 30, 2013

math
not sure how to solve this problem, Mrs. Smith put $5,000 into a certificate of deposit at the bank that paid 6% interest per year. if the bank paid simple interest on this money, how much would Mrs. Smith earn in a year
April 30, 2013

Algebra
Predict value of x in table In 0,2,8,10,18 Out 5,11,29,x,59
April 25, 2013

Math
Paula invested into two accounts; one pays 5% simple interest and the other 6% simple interest. She invested $3000 more in the account paying 6% than in the other account 5%. At the the end of the first year, Paula total return was 730. How much did she invest in each account?
April 2, 2013

douglass
which is a typical behavior of a successful interviewee?
March 22, 2013

LAN
1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for parts (a) to (d). a) ...
March 18, 2013

Children's Literature
To establish the idea that books are written by real people, make a point to introduce the:
March 12, 2013

Algebra
Thank you
February 28, 2013

Language Arts
It's #1 i just took the quiz.
February 28, 2013

Guidance and Discipline
Which one of the following ideas will NOT help children to feel personal ownership in their classroom?
February 22, 2013

Guidance and Discipline
Which one of the following ideas will NOT help children to feel personal ownership in their classroom?
February 22, 2013

Guidance and Discipline
Which one of the following ideas will NOT help children to feel personal owernership in their classroom?
February 22, 2013

Guidance and Discipline
In Ms.Edwards' two-year-old room,Brenden is working hard to build a block tower. The tower falls each time Brenden tries to stack the third block onto the second block. After three tries, Brenden throws the blocks wildly and begins to scream and cry. Which one of the ...
February 19, 2013

Guidance and Discipline
Which one of the following statements about lying is true.
February 19, 2013

calculus
present value of 450$ in 6 years with a 9.5% discount compounded semi annually
February 15, 2013

Guidance and Discipline
Jennifer runs up to Miss Edwards while she is mixing paint and pulls on her arm exitedle.As she does, the paint spills all over the floor.Miss Edwards should
February 3, 2013

Guidance and Discilpine
Adults should not assume that children: a.know how to clean up without being taught how to do it.b.will make a mess each time they play with toys.c.can use teamwork to clean up a messy center.d.will argue over who has to clean up the classroom.
February 1, 2013

help
Determine whether parallelogram JKLM with vertices J(-1, -1), K(4, 4), L(9, -1) and M(4, -6) is a rhombus, square, rectangle or all three.
January 29, 2013

Geometry
ABCD is a parallelogram. Segment AC = 4x + 10. Find the value of x and y.
January 29, 2013

Guidance and Discipline
Suppose a child has knocked down another`s block tower. To encourage ,a teacher or caregiver may ask the question,"Were you being careful of Sue`s tower when you drove your race car so fast through the block area?"
January 28, 2013

Math
Thank you and I'm sorry for accidentally posting a few times. I'm truly sorry for asking the same question repeatedly because it said it wasn't submitting because there was no signal.
January 23, 2013

Math
Estimate a 15% tip for each amount. $9.89 $27.59
January 23, 2013

Math
The following drill bits came in a typical set. Covert each bit size to millimeters (mm),rounding to nearest tenth of a millimeter. 1/16 in or 5/64in
January 18, 2013

Curriculum Development
Alex was working on a Blues Clue puzzle.This was the favorite puzzle of all of the children in the room.After observing him for a while, his teacher, Mrs.Obrecht, believed that Alex might be experiencing an eye-hand coordination problem.She may think this because:
January 14, 2013

Computer
The company you work for is having financial problems and has cut your software budget for the coming year. What is a legal viable way to save money on future software purchases? A. Use the site license of another company in the same industry. B. Consider open source versions ...
January 10, 2013

Computer
Your brother is going to serve in the military overseas for four years and asks you about storing his desktop computer in a public storage facility while he is away. The storage units are not temperature controlled. What could be the negative impact of doing this? A. The ...
January 10, 2013

math
divide 33 photos into two groups so the 7atio is 4 to 5
January 9, 2013

science
What shadow would a 137cm tall child cast at 9am 10am 11am 12noon 1pm 2pm 3pm and 4pm if they were facing north in january?
January 6, 2013

Business Communication
Problem letters such as bad-news letters get off to a better start by:
December 28, 2012

Business Communication
The built~in purpose of each letter should be to:
December 26, 2012

Business Communication
In written communications your tone is transmitted by your.
December 25, 2012

Business Communication
The refusal in negative communications should
December 25, 2012

Business Communication
Which of the following is a correct word a.Irrepairable b.Irregardless c.Relevant d.Anywheres
December 22, 2012

business communication
A telephone conversation may not be as acceptablea method for conveying information as a written document because a telephone may.
December 22, 2012

Business Communication
Which of the following sentences is written in the active voice
December 22, 2012

ap calculus
f(x)=x^3-2x^2+x and f'(x)=3x^2-4x+1 Find the value(s) of x where f(x) has a horizontal tangent (slope=0)
December 21, 2012

Physics
Thanks!
December 20, 2012

Physics
A 5.4 kg soccer ball moving to the right at 5.6 m/s collides with a 7.6 kg basketball moving to the left at 3.8 m/s. The soccer ball bounces left at 6.5 m/s after the collision. What is the speed of the basketball after the collision?
December 20, 2012

finanical
2. Open-end Fund A has 165 shares of ATT valued at $25 each and 50 shares of Toro valued at $45 each. Close-end Fund B as 75 shares at ATT and 100 shares of Toro. Both funds have 1,000 shares outstanding. (G 17-4) a. What is the NAV of each fund using these prices? b. Assume ...
December 19, 2012

Finanical
2. Open-end Fund A has 165 shares of ATT valued at 425 each and 50 shares of Toro valued at $45 each. Close-end Fund B as 75 shares at ATT and 100 shares of Toro. Both funds have 1,000 shares outstanding. (G 17-4) a. What is the NAV of each fund using these prices? b. Assume ...
December 18, 2012

Finanical
1. An investor purchases a mutual fund for $50. The fund pays dividends of $1.50, distributes a capital gain of $2, and charges a fee of $2 when the fund is sold one year later for $52.50. What is the net rate of return from this investment?
December 18, 2012

case management
15. If we do not follow up with clients, what is the risk that may happen? A. the client will get lost in the system or drop out B. the client may go to another provider or organization C. services will cluster around the physical aspects D. the client will may become ...
December 10, 2012

case management
14. Empowerment in reference to advocacy means A. Training the clients to act on their own behalf B. Providing positive praise to the client C. working in a collective action with others D. taking on a micro perspective
December 10, 2012

case management
13. McGowan (1974) found that outcomes of advocacy were affected by A. education of the advocate B. Receptivity of the target C. setting and support D. method of implementation
December 10, 2012

case management
12. What is an example of a high conflict intensity? A. coach client B. appeal to external ombudsman C. use target’s grievance procedures D. mobilize organized consumers groups
December 10, 2012

case management
11. Our textbook describes a conflict of interest in advocacy. Who is this between? A. the client and case manager B. the client and their support system C. the case manager and their employers D. the advocate and the case manager
December 10, 2012

Music
THANKS!
December 9, 2012

Music
i have a test tommorrow and i need help! What is that one note called that has 4 beats?
December 9, 2012

financial
1. A bank is considering two securities: a 30 year Treasury bond yielding 7 percent and a 30-year municipal bond yielding 5 percent. If the bank’s tax rate is 30 percent, which bond offers the higher tax equivalent yield?
November 28, 2012

financial
2. A bank is considering an investment in a municipal security that offer a yield of 6 percent. What is the security’s tax equivalent yield if the bank’s tax rate is 35 percent
November 28, 2012

Math-5th grade
a map distance of 2 inches represents 12 miles of actual distance. Suppose the distance between two cities on the map is 6 inches. What is the actual distance between the two cities. Can you please tell me what is the RULE? Thank you!!
November 15, 2012

math
If paint is sold for $ 15 a can and $20 a can and they sell 320 dollars worth of paint, how many cans of paint do they sell? I know it takes 7 cans of paint at 20 equaling 140 and 12 cans at 15 equaling 180 but I', stumped at how to write the equation
October 17, 2012

chemistry
what is the molarity of a h2so4 solution if 18.5ml of naoh are needed to neutralize 25.0 mL of the sample?
October 16, 2012

Math
60
October 15, 2012

physics
it would be equal.
September 28, 2012

social studies
list five conditions that you would place on a parolee as a crime prevention tool.
September 27, 2012

finance
Having previously identified the location of its Greenfield investment, Acme, a multi-billion public MNE that is incorporated in the U.S., must next obtain external financing for its proposed overseas production facility. It has been estimated that the acquisition will cost $...
September 23, 2012

algebra 1
George is driving at an average speed of 62 miles per hour. Write an expression that would give his distance traveled for h hours. Make a table that records his distance for 3, 5.5, 7, and 8.5 hours.
September 6, 2012

statistics
4. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4. Do not use web-calculator to answer the following questions. Instead, you need to use the Z distribution table in ...
September 3, 2012

statistics
3. In one elementary school, 200 students are tested on the subject of Math and English. The table below shows the mean and standard deviation for each subject. Mean SD Math 67 9.58 English 78 12.45 One student’s Math score was 70 and the same individual’s English ...
September 3, 2012

statistics
2. The results of a recent survey indicate that the average new car costs $23,000, with a standard deviation of $3,500. The price of cars is normally distributed. a. What is a Z score for a car with a price of $ 33,000? b. What is a Z score for a car with a price of $30,000? c...
September 3, 2012

statistics
1. The table below presents data for a sample of people who completed a religious survey. Age Gender Denomination Church Attendance 56 1 7 4 46 2 6 5 49 2 6 5 49 1 1 5 27 2 9 5 51 1 4 2 47 2 2 3 67 1 5 4 49 2 2 6 33 1 12 6 55 2 9 5 40 1 7 5 62 1 8 6 47 2 6 3 56 2 9 5 22 1 10 ...
September 3, 2012

Child Development
According to Gardner A.different in intelligences are not evident until the primary years. B.differences in intelligences are not evident after the preschool years. C.differences in intelligences are evident in the preschool years and they become more observable in the primary...
August 31, 2012

biology
can any one help me by giving correct answer for the following question give reason:left ventricle is thicker than right ventricle.
August 30, 2012

Introduction to business
Exists when a large number of sellers that produce products that are very similar but are perceived as different
August 29, 2012

Child Development
A psychological response to ego threats,frustration,or failure is callrd
August 29, 2012

Child Development
A team describes moral realism is:A.self-actualization B.heteronomy C.self-governed D.autonomous
August 28, 2012

Child Development
While each meal must provide adequate nutrients,perhaps the most important meal to consider if school performance is to be optimum is:A.morning snack B.school lunch C afternoon snack D.breakfast
August 24, 2012

Child Development
Many contemporary reaserchers believe that In infancy have life-long implications for healthy personality development. A.Adequate sleep B.adequate custodial care C.healthy attachments D.perceptual interactions
August 22, 2012

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