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Posts by Maria

Total # Posts: 1,990

english
write sentences with nouns:blessing,miracles,mystery,defect sacrifice

english
1-have you ever searched for information on the internet?Describe the process you used. 2-Is information from the internet as good as information from a library?explain>

math
250 meters 1 second

english composition
i am having trouble coming up with a topic. thanks for the link.

english composition
please help me to create division and classification prewriting essay.

math
Factorial notation problem. Please help? Hi, I am stuck on this maths problem. Solve for n: (n+2)!/(n)! =110. I get as far as (n+2)(n+1) = 110. When I multiply it out I get n^2,3n,2 = 110. There is only one example similar to this in my book and it used a quadratic equation to...

physics
a skaterboarder is moving 5.25 m/s when he starts to roll up a frictionless hill. how much higher is he when he comes to a stop? (energy problem)

physics
a skaterboarder is moving 5.25 m/s when he starts to roll up a frictionless hill. how much higher is he when he comes to a stop? (energy problem)

science (physics)
a skaterboarder is moving 5.25 m/s when he starts to roll up a frictionless hill. how much higher is he when he comes to a stop? (energy problem)

Physics
A syringe which has an inner diameter of 0.6 mm is attached to a needle which has an inner diameter of 0.25 mm. A nurse uses the syringe to inject fluid into a patient's artery where blood pressure is 140/100. Assume the liquid is an ideal fluid. What is the minimum force ...

Biology
Hi My bio HW is asking what are the symptoms and host response for tuberculosis.... i have the symptoms but I need help with what the host response are.... Thanks

Chemistry
C2H6 gas and CO2 gas are contained separately in 1.0 L bottles. What do the gases in the bottles have in common? Assume both gases are at STP

Biology
Describe how you would prepare 10 mL each of 2 M, 1.5 M, and 1 M NaCl solutions from a 2 M stock NaCl solution. Describe your actions–exactly what you would do –step-by-step–when preparing this solution. Also show all calculations. Be sure all amounts include ...

Math
3√(11x^3y)÷-2√(12x^4y)

Chemistry
Describe the subatomic structure of the nucleus, including the structure of each nucleon. Describe the forces that hold the nucleus together Explain how beta emission works.

Vectors
A 10-kg mass is suspended by two strings of length 5m and 7m attached to two points in the ceiling 10 m apart. Determine the tension on each string. Round your result to one decimal place (include a vector and position diagrams)

history
What factor is primarily responsible for the sharp contrasts between Old World and New World civilizations?

calculus (gr 12)
the productivity of a person at work (on a scale of 0-10) is modeled by a cosine function: 5cos (pie/2t) +5, where t is in hours. If the person starts work at t=0, being 8:00 am, at what times is the worker the least productive? a) 12pm B) 10 am and 2pm C) 11 am and 3 pm D) 10...

Grade 12 Calculus
solve cosx= (squareroot3)/ 2 where 0 <(with a line underneath) x <(with a line underneath) 2 pie a) how many solutions are possible? b) in which quadrants would you find the solutions? c) determine the related angle for the equation. d) determine all the solutions for ...

History
Where was segregation illegal after and during the boynton vs. Virginia case?

history
1. What was the ruling in the case Boynton vs. Virginia?+ m,n

calculus
hi im back.. solve cosx= (squareroot3)/ 2 where 0 <(with a line underneath) x <(with a line underneath) 2 pie a) how many solutions are possible? b) in which quadrants would you find the solutions? c) determine the related angle for the equation. d) determine all the ...

calculus
Hi i have two questions: what is the exact value of cos 5(pie)/12? what is the exact value of cos2(pie)/9 cos(pie)/18 + sin2(pie)/9 sin(pie)/18? thank you

geometry
Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole? step by step on how to do it?

programming
draw a flowchart and write a program and pseudocode that prompts the user for a starting balance and then prints the number of years it takes to reach 100000 and also number of years it takes to reach 1000000

2
from 962 which eves number has 6 tens

chemistry
how many grams of carbon dioxide can be produced when 15.g of oxygen is reacted with 25.g of c2h2

Biology
How does the changes in the DNA code from CTT to CAT in the beta chain of haemoglobin affect cell activity?

mill creek high
what are some examples of archetype in the book

Grammar Please Help!!
Last night, Jason introduced me to a friend of his. Whose hair was all the way down to the back of his kness in a single dreadlock.

algerba 2
the length of a rectangle is (x-2)squared and the width is (5x+1) what is the perimeter of the rectangle

Calculus
1) Find the linearization of f(x) = sin(x) at x = 0 AND use it to estimate sin(pi/87.129)

Math
Suppose that you invest $6384 in an account that earns interest at an APR of 4.6%, compounded monthly. Determine the accumulated balance after 9 years.

5th grade math 12-6
Using

Math
Juan races his bicycle for 196ft a wheel of his bicycle turns 28 times as the bicycle travels this distance. What is the diameter of the wheel?

matematicas
¿cual es el area de un terreno rectangular de 15.5 x 10.1m?

chemistry
calculate the L of 5.00 M HCI required to neutralize 500.0 mL of 1.00 M Ca (OH)2

grade 12 life orientation
Air pollution is one such environmental problem that causes ill health, accidents, crises, [ [ [ and disasters within any community within South Africa or globally.Air pollution is a significant risk factor for multiple health conditions including respiratory infections, heart...

7th Grade Social Studies
Thanks a lot I got them all right! :)

ap chemistry
is there any online test that tells me in which area i am weak or strong?

ap chemistry
WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST?

Chemistry
How many grams of silver will be produced on the reaction of 50.00g iron metal with an excess of a copper (ii) sulfate solution ?

English 3
a. survival of the fittest

Physics
A rectangular conducting homogeneous (which means the material is the same throughout) block has dimensions 1cm x 2cm x 3cm . A voltage V is applied between all opposite faces of the block and the corresponding currents were recorded. What is the maximum current measured in ...

statistics
A service station has a pump that distributes diesel fuel to automobiles. The station owner estimates that only about 3.2 cars use the diesel pump every 2 hours. Assume the arrivals of diesel pump users are Poisson distributed. a. What is the probability that three cars will ...

Chemistry ....help
If NaNO3 is cooled from 70C to 10C ; how much solid NaNO3 will come out of solution as a solid salt? Help me !!!

Office Management
Thank you! :)

Office Management
Note: telecommuting has its advantages and disadvantages. It eliminates the hassle of driving to work in inclement weather or heavy traffic as well as the chore of finding a parking place. Some employees report that they get more work done at home, while others struggle to ...

Office Management
My reading knowledge would choose A. However - if seperating from work and family, how would a telecommuter succeed if they are having trouble. Then, I thought about C. Because they obviously can separate work and hom because they are motivated and independent. At this point, ...

Office Management
Last one: Among the following employees, a person who _______ would most likely succeed as a telecommuter. A. has difficulty separating work and family B. has a hard time prioritizing work tasks C. is very motivated and independent D. is very outgoing and social

Office Management
That is what I thought, but when I was looking over my previous answer for this exam, the I have had 4 answers with the Letter D. I was very unsure! :/

Office Management
When conducting a performance appraisal, it's important for the supervisor to A. provide only positive feedback no matter what the actual performance has been. B. avoid addressing employee concerns until after the appraisal has been signed by the employer. C. make sure the...

URGENT!
You are correct - I posted D... And I was incorrect.

URGENT!
Ian admits to and corrects bookkeeping mistakes right away. Shin Lee reported a conflict-of-interest issue to her supervisor immediately. Who is acting ethically? A. Neither Ian nor Shin Lee B. Both Ian and Shin Lee C. Ian only D. Shin Lee only

Who is correct?
Disregard - The answer is Sarah. Note: Costs of operating an office—rent, salaries, utilities, etc.—are considered overhead.

Who is correct?
Sarah says that overhead includes utility, rent, and salary costs. Jonas says that overhead includes liabilities and accounts payable.

PLEASE HELP !!
This answer was incorrect - The correct answer is "CHECK"

PLEASE HELP !!
Thank you - Scenario: Returning an item to a department store with a receipt and they'll refund you for the products being returned. Right?

PLEASE HELP !!
Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund

Office Finances
The answer is D per a tutor! :)

Office Finances
Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund

math
It was kinda hard.

History
where can I find thesis of women right Seneca fall convention. How did it happened? The effect? When did it start?

Chemistry
What is the volume of 0.674 kg of acetylene, C2H2, at STP?

math
can one angle of a right triangle measure 100 degrees?

Life orientation
Yes

Math
A drawer contains n socks. When two are drawn randomly without replacement, the probability that both are red is 5/14. What is the smallest possible value of n

statistics
8) Why did you choose this figure as the warranty? What percentage of bulbs would need to be replaced if you chose a warranty of 7000 or 7500? Justify your answer statistically. How do you explain this to the board of directors, marketing people and financial people?

statistics
7) Your employer, Woodbridge Electric Inc., wants to offer a warranty on the new compact fluorescent light bulb that they have produced and tested. You are called into a meeting and operational experts provide the following data: mean bulb life = 8000 hours, standard deviation...

Chemistry
How much energy is required to heat 36.9g of ice at 0 degrees celsius to water at 0 degrees celsius?

Chemistry
Mg + HCl ----> MgCl2 + H2 If the water in tube is evaporated , the other product , a white salt remains . Write the balanced chemical equation . Ans: Mg + HCl ----> MgCl2 + H2 + H2O I don't know how to balanced it . I'm confusing where O is in reactants to ...

math
How else can you get ninety hundredths?

Statistics
In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 15% of your total grade, each major test is worth 22.5...

Chemistry
CH4(g) + 2O2(g) = CO2(g) + 2H20(g). What volume of O2 is required to react with 2.0 mol CH4 at 50 degrees Celsius and .500 atm?

math
how do i solve -9(w-3)=8w-7?

Algebra
Thank you

Algebra
Tell whether the equation is a function: 1) y = x-3 ; 2) y = -3/4x ; 3) x = -11 ; 4) x = 8 ; 5) y = 2(x+1)

physics
0.671

math
what is 2 tens from 3 tens?

Math
I don't care losers

Math (probability)
Three members of a 12 person singing group are going to be chosen to sing a song in their coming concert. A) how many different groups containing 3 people can be chosen from the 12 members of the singing group? B) what Is the probability that mike and Jo will both be in the ...

Math
2. Three members of a 12 person singing group are going to be chosen to sing a song in their coming concert. A) how many different groups containing 3 people can be chosen from the 12 members of the singing group? B) what Is the probability that mike and Jo will both be in the...

Chemistry
What is the mole fraction of solute in a 3.26 m aqueous solution?

chemistry
What mass of lead (II)chloride would precipitate if a solution containing 8,28 g of lead (II) ions(Pb2+) reacts with excess HCl?

Physics HELP!!
Two iron spheres each have a volume of 10 cm^3 and a mass of 78g. How many electrons must be placed on each sphere so that the electrostatic force of repulsion between them just balances the force of gravitational attraction? Assume the distance between the spheres is more ...

Earlychilodhood education
B. "I don't really know, Karen."

Chemistry - Biology
Explain why glucose is improtant to humans ? Ans:Glucose is important to the body cecause it helps the reporduction of cells, coposition of proteins and nucleic acids foundin all cells. It helps growth and repairs tissues . Is that correct??

Math
During swim lessons,the teacher passed out 23 pairs of goggles. there are 10 pairs left. how many pairs of goggles did the teacher have at the start?

Government
Monetary policy differs from fiscal policy in that a. it has to be exercised by the legislature. b. the policy goals are very different. c. it is a slower process than fiscal policy. d. it is a faster process than fiscal policy. e. none of these answers are correct.

english
Identify the type of subordinate clause in the following sentence. If we remember to brush our teeth, we will get fewer cavities. a)noun b)adjective c)adverb

English
Identify the type of subordinate clause in the following sentence. The guy who ran out of the clinic is running late. a)noun b)adjective c)adverb

math
how do you simplify 15 over 27 ?

personal statement
i need to write personal statement using Common App. Option 3: Indicate a person who had had a significant influence on you, and describe that influence. I do not know how to organised the paragraph and how could I add more to essay and what to end please. MY DEADLINE IS COMING.

colllege algebra
use synthetic division to factor x^3-2x^2-9x+18

college algebra
let f(x) be polynomial function. explain how to use the factor theorem to check if x) is a factor of F(x)

ap calculus
How is the ap calculus AB and BC test? Is there any online practice test?

Chemistry
The relationship between ionization energies as evidence for electron configuration for elements?

CHEMISTRY
FOR MOST LABS THAT WE PERFORM , THE MEASURED WALUES ARE ALWAYS COMPARED TO THE ACCEPTED VALUES USUALLY IN THE FORM OF PERCANT ERROR . WHY IS THIS DONE?

Chemistry
What trends the atomic radii of group 2A ?what trends the atomic radii of period 3? Why this trend occurs? Ans Atomic radii of group 2A increases . Atomic radii of period 3 decreases . I don't know how to answer the last question!! Please help me !

Chemistry
What trends the atomic radii of group 2A ?what trends the atomic radii of period 3? Why this trend occurs? Ans Atomic radii of group 2A increases . Atomic radii of period 3 decreases . I don't know how to answer the last question!! Please help me !

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