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Posts by Nancy

Total # Posts: 804

stat
In a random sample of 200 registered voters, 150 indicated they are Democrats. Develop a 99% confidence interval for the proportion of registered voters in the population who are Democrats.

Language Arts
I am sorry. I really doubt that I can be helpful here. And to leave some input, I may suggest you the online writing service as Marvelous essay where you paper may be done easily

Language arts
NaTasha, do not worry about it. That is my first piece of advice. The other thing, you may have it done with the help of the service I and my friends use. Check it by googling Marvelous essay service.

Statistics
The table to the right lists probabilities for the corresponding numbers of girls in three births. What is the random? variable, what are its possible? values, and are its values? numerical? Number of girls x ?P(x) 0 0.125 1 0.375 2 0.375 3 0.125

Algebra
@Ms.Sue

Algebra
by the way, the actually area of the U.S. does not really matter in this problem since it was just asking to turn it into a scientific notation lol

Algebra
There isnt no error... i just remember the N has to have a number before the decimals.... thanks though @Ms.Sue

Algebra
i got it!! Nvm.. its N=7.5 n=2

Algebra
@Ms.Sue the area of the US is 0.75 miles squared.. i didnt understand that part.

Algebra
what i looking for was the US part. I couldnt find the scientific notation of 0.75, such as the N and to what power.... i understood 3,705,000 and i had put N= 3.705 and n= 6

Algebra
The US has an area of 0.75 miles squared, and LA has an area of 3,705,000 miles squared. LA's area is N× 10^ (n), where N=____ and n=_____

Maths
Construct a parallelogram ABCD, where AB=7cm ,AC =9cm and /_A = 75°

Math
A population grows exponentially at a rate of 2.6% per year. How long will it take for the population to triple?

science
A car is moving at a speed of 72 km/hr. The radius of its wheels is 0.25m. If the wheels are stopped in 20 rotation by applying brakes, then angular retardation produced by the brakes is:

Math
You have a jar with 60 jelly beans. You know that 1/3 of the jelly beans are yellow, 1/4 of them are white and the rest is red. You are not allowed to look. How many beans do you have to take out to be absolutely sure to get at least one yellow one? Can someone tell me the ...

Math
2 kitchen employees combine make $52000 per year. If they both get a $4,000 increase what is the new average cost per employee?

Math
Which department staffing cost the largest proportion of the total staffing budget? Bakery $88,000 Kitchen $ 322,000 Catering $96,000 Bar $120,000 Sever/Host $470,000

science(physics)
A powerful motorcycle can accelerate from rest to 28m/s in only 4 second . a.what is its average acceleration? b.how far does it travel in that time

Math
In the number 652,273, which place contains digits where one digit in one tenth value of the other?

Math
An airline believes that the probability of a passenger being a no-show on a morning flight is 12%. If the airline overbooks a 300 seat morning flight by selling 350 tickets how many empty seats should the airline expect to have on the flight

Physical
Which of the following is an appropriate cue for running? (Points : 1) bend your knees drive the arms strongly step-close push off with toes

Math
there is an even number greater than 0 and less than 4 in my hundredths place. the digit in my tenths place is twice as large as the digit in my hundredths place what decimal am i

Pre-Calc with Analytic Geometry
Ms. Sue, I'm Nancy and I've only posted one previous question that has nothing to do with questions like other posts, which you're clearly blaming me to be catfishing. I just happen to be doing my summer h/w and stumbled upon the same questions others have. I ...

Pre-Calc with Analytic Geometry
Function : y=cot(2x+pi) 1)determine the interval for the principal cycle. (Type this answer in interval notation) 2)Then for the principal​ cycle, determine the equations of the vertical​ asymptotes. 3)find the coordinates of the center​ point. 4) Find the ...

statistics
2) sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants 6 seeds, what is the probability that; a) exactly four seeds will germinate? b) at least five will germinated? c) at most one will not ...

statistics
sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants seeds, what is the probability that; a) exactly four seeds will germinated? b) at least five will germinated? c) at most one will not germinated?

statistics
sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants seeds, what is the probability that; a) exactly four seeds will germinated? b) at least five will germinated? c) at most one will not germinated?

Math
One day a store sold 30 sweatshirts. White ones cost $9.95 and yellow ones cost $13.50. In all, $351.75 worth of sweatshirts were sold. How many of each color were sold?

Maths
In an election there were 3 candidates 3/7 of the electors voted for the winner. The runner up received 5/8 of the remaining votes, what fraction of the electors voted for the third candidate

Life orientation
3 human rights violations or discrimination and explain in an introductory paragraph why you choose the specific human rights violations or discrimination

chemistry
Descibe the frasch process

Physics
Brett stats from rest on his skateboard and accelerates at 0.5 m/s2 [N] for 12s, and then maintains his velocity for 15s before falling off his board. He slides along on his back until he comes to rest, accelerating at -2.4 m/s2. a) Calculate the highest instantaneous velocity...

Math
ACBBADC. Sorry I don not know the last one.

PHYSICS CENTER OF MASS
A thin rectangular plate of uniform areal density σ = 2.79 kg/m2 has length of 37.0 cm and width of 23.0 cm. The lower left hand corner is located at the origin, (x,y)= (0,0) and the length is along the x-axis. (a)There is a circular hole of radius 8.00 cm with center at...

math
3y+x=10 x=2y-1 3y+x-×=10-x

math,science,tourism,geography
First option i want to be a social worker.sec option to be a police.last option is be a tourism management. Where do i go to further my study and what are the reguirement for this courses?

Math
A letter is chosen randomly from the 26 letters in the alphabet. Find the probability of choosing a consonant.

Math
its wrong

Math look for patterns
Marvin count six $5 bills.write each value that he counts.what pattern do you see in the ones digits of the values he counts?

College Algebra
A sailboat has a triangular sail with an area of 20 square feet. The height of the sail is 6 feet more than the length of the base of the sail. Find the height of the sail.

Math
You are building a frame for a photograph that is 8 inches by 11 inches. The width of the frame must be uniform around the picture and you have 42 square inches of wood to use. What is the width of the frame?

Math-Fractions
1/8

Math
One car is 3.9 meters long the other is 6%shorter How long is second car? What is the formula I use for questions involving %

algebra
Find an equation for the line parallel to y=2x-7 with y-intercept(0,6). Write the answer in slope-intercept form. The equation of the line in slope-intercrpt form form is

algebra 2
Kate can row a boat 10 miles per hour in still water. in a river where the current is 5 miler per hour, it take her 4 hour longer to row a given distance upstream than to travel the same distance downstream. Find how long it takes her to row upstream, how long to row ...

physics
A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. If the darts exit speed is 17 m/s and the length of the blowgun is 1.10 m, find the time the dart is in the barrel.

algebra
please help i get stuck on this problem

algebra
the sum of the digits of a three digit number is 14. the tens digits exceeds twice the hundred digit by one. If 3 were added to the number, the units and hundreds digit would be the same. find the number. solve H = hundred digit t in ten digit u in unit digit sum of the digits...

math
A clerk spent his 35 hour work week as follows: 1/5 of his time in sorting mail; 1/2 of his time in filing letters; and 1/7 of his time in reception work. The rest of his time was devoted to messenger work. The percentage of time spent on messenger work by the clerk during the...

Math ratios
i do not get it

Math
4000

Physics
5.02

Physics
In a 5.00 km race, one runner runs at a steady 11.8 km/h and another runs at 14.7 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?

Math
How could you rewrite the expression (-3+5)+8+(-1) using the Associative Property of Addition? A. -3-8+(5+1) B. (-3+(-1))+(5+8) C. -3+(5+8)+(-1) D. 5+8+3+1 Is the answer C? Thank you

Math
A Picture is surrounded by a frame 10 5/8 inches and 6 1/2 inches. what is the area of the entire picture including the frame

com200
The term ________________ describes a wide range of common and nonstandard English, including jargon, colloquialisms, idioms, and slang.

computer programming
HotelRoom class programming . Replace Disply_Number() and Display_Guest() methods by the methods Get_Number() and Get_Guest(), respectively , so that each returns a pointer to the corresponding instance variable. Recode main() as necessary .

Science
When 1.23g of ethanol (delta c Hm = -1368kj/mol at 25 C ) is burned in an adiabatic flame calorimeter, the temperature increases by 8.6 C. Under the same experimental conditions, when 1.14g of 1-propanol is burned, the temperature increases by 9.0 C. What is delta c Hm for 1-...

Science
I don't know

Science
A solution containing 3.22g of solute in 40.0g of 1,4-dichlorobenzene and its freezing point is 49.2 C. Calculate the molar mass of the solute.

Operations
You have a retail-clothing store for fashion items. For simplicity, let us consider just one gown in this question. You have to purchase your inventory at the start of the season at $60 per gown, and you plan to sell it $100. You have a 50% chance of selling more than 10 gowns...

geometry
In the xy - plane, line l has equation y= -x. Point P lies on l and has coordinates (-2,2). If l is rotated counterclockwise 45 degrees about the origin, what will be the coordinates of the image of P under this rotation.

Algebra 2
Solve the Equation. (x+2)/(4x)-3/(2x)=1/8

Science
Are these answers correct? I am working on the test now so I need help. If Ms. Sue or anyone else can help it will be greatly appreciated! :)

Social Studies
200 000

chemestry
the common isotopes of chlorine weigh 35&37 units A.How many different mass molecules are there for dichlormethane,ch2 cl2? B. Draw and label each molecule C. explain why the ram of chlorine is about 35.5& not a whole number. D. lighter molecules diffuse more quickly. which ...

Art
Yes it was anonymous. I just took this quiz and this question was right. :)

Healthcare Statistics
As a data collection specialist at the National Institutes of Health (NIH), you have been involved in a research study conducted over the past year. The study found that liver cancer rates per 100,000 males among cigarette smokers to nonsnmokers, in a major urban U.S. city, ...

Math
3.46

Math
r=effective interest rate i=stated interest rate(18%) n=number of compounding periods therefore:r={(1+i/n)^n - 1} i=0.18 n=12 r={(1+0.18/12)^12 - 1} r=0.20

Healthcare Statistics
What is the mode of this data set 22 27 32 32 35 35 36 37 38 42 48 52 53 54 55 55 55 58 59 62 62 63 64 65 65 65 67 69 75 84 I see four modes: 32, 35, 55, and 65 Would this be considered multimodal?

maths
a carpenter has a board that is 8 ft long. he cuts off two piece.one piece is 3 1/2 ft long and other is 2 1/3ft long.How much off the board is left.

Algebra 2
Solve the equation x^3 - 3x^2-22x+24=0 do you use a graph?

Algebra 2
thanks for the help. i don't think i learned all of that yet and i don't understand.

Algebra 2
i factored by grouping and got x^2(x-3) -2(11x-12) = 0 so now do i set the equal to zero?

Algebra 2
solve the equation x^2 - 3x^2-22x+24=0 do you use a graph?

Algebra 2
Write the following in Summation Notation. 2/5+4/6+6/7+8/8+10\9

Language Arts
**somebody** are you absolutely sure? And also I am working on this now if any one can help it would mean a lot to me and it will help my grade! :)

Math
Suppose 1% of the population is known to have a medical condition. There is a test for the condition, and 80% of people with the condition test positive for it. Also, 10% of people without the condition test positive for it. Follow these steps to find the probability that a ...

Math
Gabriella is x years old.Her sister Felicia,is six years old than she is.Their mother is twice as old as Felicia.Their aunt,Tanya,is x years older than their mother.Write and simplify an expression that represents Tanya's age in years.

Algebra 2
Write an equation for the relationship z varies jointly with x and the square of y, and inversely with r and s.

Human Resources
Thanks

Human Resources
In 2003, a company employee received an option to purchase the company's stock at $45 per share. If the stock is trading at $40 a share in 2003, the employee will most likely... Is it to exercise the option, receiving a gain of $5?

chemistry
If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon load be in lbs (lbs of...

Managerial Accounting, MBA
A company produces a single product. Variable production costs are $12 per unit and variable selling and administrative expenses are $3 per unit. Fixed manufacturing overhead totals $36,000 and fixed selling and administrative expenses total $40,000. Assuming a beginning ...

Art Help!
I think it is either C or D because the answer C does make sense because you like a certain style. But, D says the variety of art styles. And that can play a big roll in style. I'm not positive but I think it is C. Tell me what you got ;D

Managerial Accounting
Garcia Veterinary Clinic expects the following operating results next year: Sales (total) $600,000 Variable expenses (total) $120,000 Fixed expenses (total) $300,000 What is Garcia's break-even point next year in sales dollar?

Managerial Accounting
Garcia Veterinary Clinic expects the following operating results next year: Sales (total) $600,000 Variable expenses (total)

Chemistry Correction
Hi, I'm trying to solve for the radius of the sphere. This is the correct steps: 8.27*10^-29 = 4/3 pi * r^3 r^3 = 2.0225 * 10^-29 cu meters When I do 8.27x10^-29 / 4/3 pi, I don't get the answer 2.0225x10^-29 Can you tell me what I'm doing wrong?

algebra 2
find the domain y=-ãx-5 +3

PED 212 Foundation of Movement & Motor Activitie
Question 7.7 , the answer is (b)

Algebra I
Thank You

Algebra I
Use one unit multiplier to write the expression needed to convert 42 meters to centimeters? It also said;Do not carry out the actual multiplication. So do I just write my answer 42m over 1 x 100cm over 1m? Thank You for your help.

mechanics
a sledge of mass 25kg is pulled along a smooth frozen lake by a rope which is pulled at an angle of 30 degrees to the horizontal.if the sledge accelerates at 1.5 metres per second, find the tension.

Language arts
Thank you Ms. Sue soooooooooooooooo much

Language arts
How should the United States government have behaved in dealing with the disputes between the Cherokees and the white settlers?

Math
Pey Soon has taken out a 20-year, $150,000 mortgage with monthly payments (made at the end of each month) at a stated mortgage rate of 6.8% per year compounded semi-annually. If she makes each payment on time, what will be the mortgage principal remaining after 10 years? ...

Math help
You plan to make 24 equal quarterly payments (payments are at the end of each period) into an account to pays 8% (per year compounded quarterly). If you need $5,000 at the end of 10 years (i.e. 4 years after the last payment is made into the account), how much would you have ...

Math
123 Inc has a profit margin of 15%. Its total asset turnover ratio is 2 and its dividend payout ratio is 60%. What is the company's internal growth rate? Please show steps

Math
Given the following information: current assets = $400; fixed assets = $500; accounts payable = $100; notes payable = $45; long-term debt = $455; equity = $300; sales = $450; costs = $400; tax rate = 34%. Suppose that current assets, costs, and accounts payable maintain a ...

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