Wednesday
December 7, 2016

# Posts by rena

Total # Posts: 117

openstudy(.)com/updates/attachments/514a5d2ae4b05e69bfac38d2-mimisilly-1363828099165-ikk.png The dashed triangle is a dilation image of the solid triangle with the center at the origin. Is the dilation a enlargement or reduction? Find the scale factor. I know this is a ...
November 16, 2016

English
Which of the following contains a noun clause? A. Louis did not know Jocie could not swim. B. Since last August we have not seen a drop of rain.<<< C. Raccoons, commonly considered a pest, are very intelligent animals. D. The book that Finn is reading is borrowed from...
November 15, 2016

It's right :^)
November 9, 2016

The center of dilation is (0,0) and the scale factor is 7. If A(3,4), then which is the distance between A and A'. A. 5 B. 7 C. 30 <<<< D. 35
November 9, 2016

Geometry
A segment has endpoints X (-6,2) and Y (-1,-3). Which are the coordinates of the image for a dilation with scale factor of 1.5 and center at the origin? A. X'(-7.5) Y (-2.5,-5.5) B. X'(-4.5) Y (.5,-5.5) C. X'(-3,1) Y (-.5,-1.5) D. X'(-9,3) Y (-1.5,-4.5) <<...
November 8, 2016

Pre-Calc
Since cot x = cos x / sin x, if cot x = 1/2, with the angle x in the first quadrant, then cos x = 1 and sin x = 2 (1) State true or false. Is this a possible situation? (2) If false, explain why.
November 7, 2016

math
Equation of moving point A = ( 1,3) B = ( 3, 1)
May 9, 2016

algebra 1
3 kids ages =60 if they are consecutive even integers hat are their ages
June 7, 2015

Calculus 2 (Differential Equation)
Oops, Sqrt(1-y^2) dx - sqrt(1-x^2) dy = 0
March 26, 2015

Calculus 2 (Differential Equation)
How would you solve the following problem explicitly? Sqrt(1-y^2) dx - sqrt(1-x^2) dy I separated the x and y terms and got: Integral of 1/sqrt(1-x^2) dx = Integral of 1/sqrt(1-y^2) dy I was wondering how would you take the anti-derivative of each function. I believe we are ...
March 26, 2015

geometry
The diagonal of a square checkerboard is 2 inches long. Find the length of one side of the checkerboard
January 28, 2015

geometry
A diagonal of a square checkboard is 20 inches long. find the length of one side of the checkerboard,
January 27, 2015

information technology
While doing online research you enter this keyword search with a truncation character: man* Which of the following would not be a possible response to your search? (Points : 1) Mansion Men Mantle Manny
September 6, 2014

psychology
How has Maslow's hierarchy of needs affected public policy?
July 8, 2014

Floral design
I think its C. Delphinium, but I'm not sure... Help!
March 18, 2014

Floral design
During April, a customer asks you to create an arrangement for an invalid friend who must stay at home for five more days. The invalid friend loves flowers, especially fragrant ones. The amount the customer is willing to spend on the arrangement for this dear friend is so high...
March 18, 2014

chemistry
Two containers of equal volume are separated by a membrane that allows free passage of water but completely restricts passae of solute molecules. Into which compartment will water flow, or will there be no net movement of water? Which solution is at the higher concentration? ...
August 8, 2013

chemistry
Two containers of equal volume are separated by a membrane that allows free passage of water but completely restricts passae of solute molecules. Into which compartment will water flow, or will there be no net movement of water? Which solution is at the higher concentration? ...
August 8, 2013

chemistry
Yes I am so sorry
July 29, 2013

chemistry
A 15.0L sample of argon has a pressure of 28.0 atm . What volume would this gas occupy at 9.90 atm? Assume ideal behavior.
July 29, 2013

chemistry
A sample of an ideal gas at 1.00 atm and a volume of 1.31L was placed in a weighted balloon and dropped into the ocean. As the pressure had increased to 45.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
July 28, 2013

math
You and a friend are biking in opposite directions starting from the same point. You travel 108 feet every 8 seconds. Your friend travels 63 feet every 6 seconds. How far apart are you and your friend after 15 minutes?
May 14, 2013

General Biology
Darwin used which of the following terms to describe the process by which those individuals that possess superior physical, behavioral, or other attributes are more likely to pass their traits to the next generation?
March 5, 2013

Chemistry
Are the following electrolytes or non-electrolytes? 1) CH3CH2CH2OH 2) Mg(OH)2 3) H3CO4CH3
February 26, 2013

Chemistry
How many moles of magnesium sulfate are needed to make in a solution of 0.10g Mg2SO4?
February 26, 2013

Chemisry
What is the % M/M concentration of 5.00 mL of methanol in 25 g solution of methanol in water? The density of methanol is 0.791 g/mL. The density of water is 1.000 g/mL. The density of the solution is 0.995 g/mL. Please show work, thank you!
February 23, 2013

World history
My answer is D. If this is a Penn Foster exam, go to page 332 of your World History textbook towards the top of the page. Iltutmish, an ex-slave, chose his daughter, Radiyya, as his successor in 1236. I hope this helped. :)
December 19, 2012

physics
What is the velocity of an object that falls from a cliff tot he ground which is 20,000 centimeters below?
May 22, 2012

computers in day care
an encyclopedia on cd-rom would be most appropriste for a typical tow year old, three year old, four year old, eight year old
April 10, 2012

all
Im going to college for rn. i have to take pre req. before entering the nursing program. I received my ged in 2008 can you give me advice to help me improve studying habits so that i can succeed in requirements? The subjects are mth100,eng101,bio201-202,220,psy200&210,sph 106&...
February 9, 2012

ethical
Psychology tests in in court rooms...try deepdyve site.
July 5, 2011

algebra
k=(2c-9d)/8
June 9, 2011

social
April 28, 2011

Psychology
In Classical conditioning the response is typically_______, whereas in operant conditioning the response_______ the environment. A. Learned; has a neutral effect on B. Unconditional; is reflexive in C. Reflexive; Produce effects on D. Conditional; naturally occurs in I chose ...
February 28, 2011

Math
Use Euler’s formula to answer the question. A polyhedron has 12 edges and 6 faces, how many vertices does it have?
February 10, 2011

Math
How many combinations are there when you can buy four books from a choice of 6 books>
February 8, 2011

History
Thank you so much for your help.
February 8, 2011

History
What are two other social changes that occurred during 1865 and 1945 that's not on this list: The Fourteeth Amendment Railroads City life and City culture The political machine Wilson's Fourteen Points Progressivsm World War I Pearl Harbor World War II
February 8, 2011

History
Didn't the western expansion have something to do with Native Americans.
February 6, 2011

History
It doesn't matter where. During the 1865 and 1945.
February 6, 2011

History
During the time of 1865 and 1945.
February 6, 2011

History
What was one of the social changes during the city life and city culture. What was one of the social changes during the Western Expansion.
February 6, 2011

History
During the Roaring Twenties.
January 28, 2011

History
How did traditionalists fight back against the age of modernism and mass soceity?
January 28, 2011

History
Briefly can you tell me, What social, political, and economic changes and advances occurred during the Roaring Twenties?
January 26, 2011

Psychology
8. Lynn is tired of the nasty remarks she receives from a female coworker. She has tried to the women, returning nasty remarks, and doing nice little things for her. Nothing as worked. Finally, Lynn decides to ignore the remarks to see if that will extinguish her coworker’...
January 25, 2011

Psychology
Patty goes to a pizza buffet, afterwards she comes down with a horrible rash. She visits her doctor who assures her that the rash resulted from overexposure to the sun on the beach that day. After that experience at the buffet, Patty decides never again to eat pizza, her most ...
January 25, 2011

Psychology
In Classical conditioning the response is typically_______, whereas in operant conditioning the response_______ the environment. A. Learned; has a neutral effect on B. Unconditional; is reflexive in C. Reflexive; Produce effects on D. Conditional; naturally occurs in I chose ...
January 25, 2011

Math
Evaluate 4X^3 +3Y^3, IF X=2 AND Y=5 I am not sure how to work this out
January 24, 2011

math
The Aesthetic Garden Problem. A landscape architect wants the length of a rectangular shaped flower garden to be twice the width. The garden should have a total area of 288ft^2. what are the dimensions of the garden?
January 24, 2011

Math 157
Copy each equation in Exercises 31–33. Replace the boldface italic letter with a number that shows the relationship indicated in the table. Then copy each table and complete it by using the corresponding equation. 32. y = -x + b x y 1 0 2 -1 8 -7 10 ? 20 ? 40 ?
January 24, 2011

Math 157
I am not sure how to do this problem Convert the units. 15 yd2 = _____ ft2
January 20, 2011

chemistry
Determine the Ka of an acid whose 0.294 M solution has a pH of 2.80.
January 16, 2011

Math
Find the odds. A basketball player with a free throw shooting percentage of 60% gets fouled and goes to the line to shoot free throws. What are the odds in favor of her making her first shot?
January 6, 2011

Math 157
A group of 10 students consists of 3 girls and 7 boys. How many ways can the students be arranged from left to right if the first 3 students are girls and the remaining students are all boys?
January 5, 2011

informal logics
Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the following pair. gavel : judge (
December 18, 2010

Math
A student has a penny, nickel, dime, and quarter distributed two coins apiece to his front two pants pockets. What is the probability that the front right pocket has more than 30¢ in it? Can you show all work, I am acting as a school teacher who is teaching this problem ...
December 14, 2010

Math
Is the answer 2508.52 and if so, how do I explane the whole solution. I am acting as a elementary teacher and have to discuss how to work each part out.
December 14, 2010

Math
Suppose that the U.S. Senate consisted of 57 Republican and 43 Democratic Senators. How many different 12-person committees could be formed with 8 Republican senators and 4 democratic senators?
December 14, 2010

Math 157
I need some help I have to Select one problem from the self-practice exercises and teach the solution to your classmate as if they were an elementary school student. I have to explane it in full details. The self-practice problem I chose was: Suppose that the U.S. Senate ...
December 14, 2010

Math
The mean salary of the female employees of one company is \$29,525. The mean salary of the male employees of the same company is \$33,470. Can the mean salary of all employees of the company be obtained by finding the mean of \$29,525 and \$33,470? Explain your thinking. Under ...
December 10, 2010

Math
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 2, 5, 47, 11, 13, 48, 39, 36
December 9, 2010

Math 157
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
December 8, 2010

Math
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
December 8, 2010

Math
At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what ...
December 8, 2010

Math
At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what ...
December 8, 2010

Math
is it three?
December 7, 2010

Math
two cards are drawn without replacement from an ordinary deck of 52 playing cards. what is the probability that both cards are kins if the first card drawn was a king? I was thinking it was 13/51 but not sure.
December 7, 2010

Math
Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that both cards are kings if the first card drawn was a king? I'm thinking its 13/51 but not sure.
December 7, 2010

Math
In a subdivison, 67% of homes have detached garages, 32% have a patio, and 13% have both. What is the probability that a house has a pation if you know that it has a detached garage? Please explain how you did the work, thanks.
December 7, 2010

Math
In a subdivison, 67% of homes have detached garages, 32% have a patio, and 13% have both. What is the probability that a house has a pation if you know that it has a detached garage? Please explain how you did the work, thanks.
December 7, 2010

Math
I'm not sure how to do this question. Consider the experiments involving rolling a single die once. Give the probabilities of the event described. What is P (even or prime)?
December 6, 2010

Math
I am stuck and do not know how to do this question. Consider the experiments involving rolling a single die once. Give the probabilities of the event described. what is P(even or prime)?
December 6, 2010

Math
It doesn't state if Y is part of the vowel.
December 6, 2010

Math
Each capital letter of the alphabet is carefully printed on a piece of paper in block-form and placed in a bowl ABCDEFGHIJKLMNOPQRSTUVWXYZ An individual piece of paper is selected from the bowl. What is the probability that A. the letter is a consonant? B. the letter is formed...
December 6, 2010

Math
Thank You
December 3, 2010

Math
Would you rather take an exam that typically has an mean of 80 with a standard deviation of 3 or an exam with a mean of 80 with a standard deviation of 15? why?
December 3, 2010

Math
Would you rather take an exam that typically has an mean of 80 with a standard deviation of 3 or an exam with a mean of 80 with a standard deviation of 15? why?
December 2, 2010

Psychology/Essay question
Dissent and altruism are a matter of personal conviction, but situation factors are involved also. Analyze five situational factors that are involved when a person decides to "rock the boat" and choose conscience over conformity. I do not understand what it is that I...
November 18, 2010

Finance
Moore Money Inc. has a profit margin of 11% and a retention ratio of 70%. Last year, the firm had sales of \$500 and total assets of \$1,000. The desired total debt ratio is 75%. What is the firm's sustainable growth rate?
October 23, 2010

elementary-math
Do you think that the formula p=6n+1, where n, is a whole number, will produce a prime number more than 50% of the time? Give evidence to support your conclusion
October 20, 2010

elementary-math
Do you think that the formula p=6n+1, where n, is a whole number, will produce a prime number more than 50% of the time? Give evidence to support your conclusion
October 20, 2010

Biology
Which onf of the following statments about sense resceptors is trus? A) Chemicals, light and pressure convert stimuli into electrical impluses. B) Electrical impluses within the nerve pathways trigger an awareness of stimuli in the sensory receptors. c) Sensory receptors are ...
September 3, 2010

Biology
Which one of the following statements about sense receptors is true? A)Chemicals, light and pressure convert stimuli into electrical implses. B) Electrical impulses within the nerve pathways trigger an awareness of stimuli in the sensory receptors C)Sensory receptors are ...
August 31, 2010

Biology
Well when you put it that way I think my answer choice is correct. Thank you for the clarification
August 31, 2010

Biology
The left hemisphere of the brain contains regions that are: A) associated with negative emotions, such as fear and sadness B) active when language is processed C) associated with the tendency to withdraw from others D) active during the creation of art and music I chose B
August 31, 2010

Biology
One part of the brain if stimulated during adolescence, will form two distint regions. The area of the brain is referred to as: A) the occiptal lobes B) the pituitary glands C) Broca's area D) the parietal Lobe I am unsure of what the answer is, although if I were to take ...
August 31, 2010

Psychology
Yes they are different types of tests/Scans used to study the brain, so then I guess C would be the better choice. Thank you
August 31, 2010

Psychology
EEG, PET and TMS are all : A) laboratory observations that introduce experimental bias into the study B) Descriptive methods for studying the brain C) Standardized methods for studying the brain D) experimentally controlled technologies for brain-wave analysis I am confused ...
August 31, 2010

Biology
If it happens that a neurotransmitter binds to a receptor site and produces a negative voltage, the probablity: A) that the neurons are densely connected increases B) of an excitatory response increase C)That the receiving neuron will fire decrease D)that the transmitting ...
August 31, 2010

Biology
Janet's boss calls her into the office to discuss why see failed to complete her project for the big meeting this afternoon. Janet's sympathic nervous system: A) makes her thoughts race for an excuse B) Makes her start to perspire C) Enables her to walk in upright D) ...
August 31, 2010

Biology
Male erection is an example of ______. No thought or emotion is required for it to occur, but conscious control can influence it. A) peripheral nerves B) sensory nerves C) a spinal reflex D) A sexual reflex I chose choice A because the book states the following " sensory ...
August 31, 2010

Psychology
Within groups, differences in intelligence are highly correlated with_______. Between groups, differences are highly correlated with ________. a) heritability: environment b)environment: genes c) heritability:random error in measurment d) genes: the heritability estimate my ...
August 26, 2010

Psychology
Within groups, differences in intelligence are highly correlated with_______. Between groups, differences are highly correlated with ________. a) heritability: environment b)environment: genes c) heritability:random error in measurment d) genes: the heritability estimate my ...
August 25, 2010

Psychology
Which one of the following statements about intelligence is the most accurate? a) IQ is a vaild measurement, and environment factors do not change mental ability b) intelligence is mostly genetic, has the most variablity between groups, and is reliable regardless of the ...
August 25, 2010

Psychology
Ok so then it would be B heredity and environment
August 22, 2010

Psychology
Evolutionary psychology and behavior genetics: a) have little in common b)acknowledge the interaction of heredity and environment c)focus on learning and experience d)are two schools of thought first introduced by John B. Watson I am confused between B and D
August 22, 2010

Genes
Are you asking why did'nt I choose a as a possible answer or the way A is worded?
August 22, 2010

Genes
Which one of the following statements describes the relationship between genes, chromosomes and DNA a) genes, the basic unit of heredity, are located on chromosomes, which consist of strands of DNA b) genes are composed of chromosome and DNA C) chromosomes the basic unit if ...
August 22, 2010

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