# Posts by Kim

Total # Posts: 2,618

math
A garden has a total of 10 flowers. Three are yellow, two are white and five are blue. If you select 2 at random without replacement, find the probability that:a. none of the flowers are yellow. b.at least one of the flowers is yellow.

scienceeeeeeeeeeeeeeeeeeeeeeeeeeeee
why the skin cells of an adult must divide? is it because they are in the direct contact with the things from the outside world. they have to replace the new skin cell from the dead cell

algebra
is the set (-2,3)(3,4)(-2,5)(6,-7) a function

english
what is the subject pronoun for this sentence if_____ went to flatland, you would be very confused.

math

social - totem pole
can you explain the history of northwest coast native art?

College Algebra
POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m

math
What does ml, cm, kg, and xm have in common?

science -Do you think DNA from another organism wo
Do you think DNA from another organism would have a different appearance? i m assuming yes.. is it??

algebra
I need the steps how to put 8.5 in scientific notation.

chem
what degree celcius is read when pressure is 100mmHg?

chemistry
whatmass of (NH4)3SO4 is required to prepare 500cm3 of m/4 solution

chemistry
plan and design an experiment which would allow you to find the percentage by mass of copper in a sample of impure copper

Chemistry
A chemist mixes 100ml of H2O at 30 degrees Celsius and 56.0g of CaOin a calorimeter. The following reaction occurs" CaO(s) +H2O(l)--->Ca(OH)2(s) ΔH= -16.0 kcal/mol The heat capacity Ca(OH)2(s) is 19.2 cal/mol*degreeCelsius and the heat of vaporization of water is ...

statistics
An auditor of Health Maintenance Services reports 40 percent of policyholders 55 years and older submit a claim during the year. Fifteen policyholders are selected at random for company records. a)how many of the policyholders would you expect to have filed a claim within the ...

statistics
A study of checkout lines at the Safeway revealed that between 4-7pm on weekdays there is an average of 4 customers waiting in line. What is the probability that you visit that Safeway during this time period and... 1-no customers are waiting in line? 2-Four customers are ...

Managerial Economics
Are organizations more risk adverse or individuals more risk adverse? Is one more risk tolerant? Use economic theory to explain your position.

math
a rectangle is 7 ft by 9ft. a second is similar to the first with a perimeter of 260 ft. what are the dimensions of the second rectangle?

Pre Calculus
Find the measure of the central angle, in radians, given the area of the sector as 22.6 cm2 and a radius equal to 3.7 cm. Round your answer to the nearest tenth.

PROBABILITY
There are 100 patients in a hospital with a certain disease. Of these, 10 are selected to undergo a drug treatment that increases the percentage cured rate from 50 percent to 75 percent. What is the probability that the patient received a drug treatment if the patient is known...

Pre Calculus
Verify the identity: cos x + sin x tan x = sec x.

accounting
\$36,000 PAYABLE AT THE END OF THE SEVENTH, EIGHT, NINTH, AND TENTH PERIODS AT 12%

Us History
whichever side has more facts to show that you know the stuff. The person grading it isn't looking at you opinion, but at the facts you have & how you've analyzed them. :)

Chemistry
A mixture of ethyne gas (C2H2) and methane gas (CH4) occupied a certain volume at a total pressure of 16.8 kPa. When the sample burned, the products were CO2 gas and H2O vapor. The CO2 was collected and its pressure found to be 25.2 kPa in the same volume and same temperature ...

Science
Need help with constructing a model of radioactive decay with popcorn kernals

algebra
Lisa studies 8 hrs. for a particular test and gets a score of 78. at this rate how many hours would she have to study to get a score of 98?

english
Do you think that films, in general, influence society or does society influence what is presented in films?

sociology
How can the three sociological perspectives (e.g., social functionalism, social conflict, and symbolic interaction) be used to conceptually understand multiculturalism?

Early childhood
School-age children generally develop writing skills in which sequence? A.Expressive writing,expository writing,story B.Exposity writing,story writing,expressive writing. C.Expressive writing,story writing,expository. Story writing,expository writing,expressive writing

math college
POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m

science
how many half-lives have passed if 87.5% of a substance has decomposed? how many if 99.999% has decomposed?

day 1: \$2 day 2: \$4 day 3: \$6 day 4: \$8 day 5: \$10

math
POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m

statistic
Given a normal population with ì = 40 and ó = 8, what is the probability of obtaining a sample mean between 39 and 41 for a sample of n = 16 scores?

English
POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m

algebra
write an equation for the line parallel to the x axis through the point 7,2

statistics
POST YOUR QUESTIONS AT ww w.ac eyou rcoll egec las sses . c o m

geometry
I am doing this rn and and I'm stumped ;-;

The Howland Carpet Company has grown rapidly during the past 5 years. Recently, its commercial bank urged the company to consider increasing its permanent financing. Its bank loan under a line of credit has risen to \$250,000, carrying an 8 percent interest rate. Howland has ...

helppppp :)
more than 7 points plzzzzz

helppppp :)
how can we help african people who is having a hard time with poverty? :)

constellations;)
could you tell me the story of aries?? i wantta knoww^^

chemistry
pH=11.1, so pOH is 14-11.1=2.9

reimbursement methodology
Differentiate between the official coding guidelines for using V codes in an inpatient and outpatient settong

home economics
compute the price elasticity of demand for paint and show calculations? If a gallon of paint went from 3.00 to 3.50 a gallon and the usage of paint drops from 35 gallons a month to 20 gallons a month.

math help plzzz
the perimeter of a rectangle is 3.5 times the legth. the width is 2.5cm less than the legth. what is the width?

During a recession, unmployment___________ while inflation.

science check plzzzzzzzzzz
if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...

science check plzzzzzzzzzz
if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...

science check plzzzzzzzzzz
if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is \$0.09 for every kWh*h of energy. i solved it like this way could you check of i got it right plzzz?? (C= E* ...

maths
maximise p=15x+10y

math
candie since u r ask to find the y coordinates then the coordinates given must be x so substitute the x values in the equation and solve example.place -9 for x and solve u will get the frist y coordinate then -3 then 6 ok

math
maximise p=15x+10y

math
a negative + a negative =a negative answer ex.-+-=- -x-=+ -x+=- so -25+(-16)= -25-16=-41

alg
9x +5y=34 8x-2y=-2 solve by elimination

alg
9x +5y=34 8x-2y=-2 solve by elimination

STATISTICS
Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much of this money is put into a fund called an endowment, and the college spends only the interest earned by the fund. A recent survey of eight private ...

math
A student planning her curriculum for the upcoming year must select one of four business courses, one of four mathematics courses, two of ten elective courses, and either one of four history courses or one of four social science courses. How many different curricula are ...

what effect might the economics socioeconomic forces wthin south korea have on a products potential

Economics
i also agree

geometry
If AB is opposite AC and AC is opposite AD , what can you conclude? Explain.

helpppppp
what role do insulators play in preventing electric shock?

helpppp science 7
what role do insulators play in preventing electric shock?

helpppp science 7
what role do insulators play in preventing electric shock?

fin 200
i am really confused on what numbers to use to get the calculations on the 13 ratios

fin 200
using the financial statements for the goodyear calendar company calulate the 13 basic ratios

chemistry
A 20.2g chunk of magnesium metal reacts with 13.7 g of oxygen gas to make magnesium oxide. Write the balance equation.

Science/ Physics
An airplane is traveling km/h in a direction 41.5 degrees west of north. (a) find the cmpopnets of the velocity in the northerly and westerly directions. (b) How far north and how far west has the plane traveled after 3.00 h?

english
can u find the climatic sentences in the poem Africa by David Diop

management information system
Thanks Ms. Sue

management information system
Is spyware ethical? why or why not?

Complete hydrolysis of 25 mM ethyl acetate in an enzyme (i.e., esterase)-catalyzed reaction is carried out in a 40 mM NaCl solution buffered by 0.2 M Tris-Cl, pH 9.1. What is the pH at the end of the reaction? (For Tris base, which is the abbreviation for Tris (hydroxymethyl) ...

Calculus
.00092

algebra
The length of the side of a rectagular desk is given by 9x-2y cm. The length of the front is given by 9x+2ycm. What is an algebriac expression for the area of the top of the rectangular desk? Including correct units

algebra
(x^8+8)(x^9-^2)

algebra
convert decimal notation 5.166x10-^8

Algebra
(4x^6)(-3x^9)(6x^7)

How can I do 5 1/4 line segment

Physics
Two charged particles exert an electrostatic force of 8 N on each other. What will the magnitude of the electrostatic force be if the distance between the two charges is REDUCED to one-third of the original distance? Would you just have to multiply 8 by 9?

Thanks for the suggestion. I think my son got the idea on what to do.

What patterns help you divide? DRaw a picture or make a chart to show how to divide 1600 by 4. Give the quotient. We know the answer but having trouble to make a chart to show the outcome. Please help. Thanks in advance

chemistry
What is the number of grams of a solute for a 3L of a 2.5 M HCl solution???

chemistry
What is the number of grams of a solute for a 3L of a 2.5 M HCl solution???

chemistry
what is the molarity of a solution when you ha 2mole of ammonium chloride (AgNo3) in 1L?

Intermediate Accounting
I am having a hard time calculating this my question is On April 1, 2011, the company paid an insurance company \$4,000 for a two-year fire insurance policy. The entire \$4,000 was debited to insurance expense. How do I calculate?

statistics
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The general population of ...

statistics
For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size- (b) 3.

reimbursment methologies
when coding late effects, the code for the what is usually sequenced first

math
To make 5 sets of curtains, when each set requires 2'1/3 yards, how many of material are needed ?

physics
A 15kg model plane flies horizontally at a constant speed of 12.5 m/s and the kinetic energy is 1171J and the potential energy is 3000J what is the new horizontal velocity? Please show work and explain.

I am trying to write a 1500 words review of two articles that are discussing ethical perspectives or business ethics for two countries. Each article must contain info. on a different foreign country on a different continent; for example, if the first article you select ...

Chemistry Lab
Penicillin is an important antibiotic isolated from a type of mold. If you have 0.0468 g Penicillin, C14H20N2SO4MW = 31239 gmol , answer the following questions. A. How many moles of Penicillin do you have? B. What is the number of moles of nitrogen that are present? C. What ...

math
how to mixed #s or whole #s 18/7

Science
Which of the following are involved in the clotting process? 1. platelets 2. neutrophils 3. fibrinogen

Science
Improper functioning or regulation of which of the following might lead to poor regulation of the membrane permeability? 1. albumin 2. fibrinogen 3. platelets 4. lymphocytes 5. chloride ion levels

language
What is the adjective for the question, Some hawk's eyes are yellow.

Math
you use a rectangular piece of cardboard 20 in by 30 to construct a box. you square the sides x in. from each corner of the piece of cardboard and then fold up the sides to form the bottom. A. write a function A to represent the area of the base of the box in terms of x. B. ...

MATH PRE-ALGEBRA
yes! if it is addition or subtraction you have an open dot! if it multiplication or division than a closed dot!

Algebra
factor trinomial This is what I have so far don't know where to go from here 4h^2 + 8h - 5 (4h^2-2h) + (10h-5) 2h(h-5) + -5(2h-1) cant figure out what to do next

Algebra
I checked it and that is how it is on the worksheet I couldn't get it to work out either

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