Tuesday
October 21, 2014

Posts by Maria


Total # Posts: 1,525

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 ...
May 11, 2013

History
Where was segregation illegal after and during the boynton vs. Virginia case?
May 9, 2013

history
1. What was the ruling in the case Boynton vs. Virginia?+ m,n
May 9, 2013

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 ...
May 8, 2013

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
May 8, 2013

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?
May 8, 2013

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
May 8, 2013

2
from 962 which eves number has 6 tens
May 7, 2013

chemistry
how many grams of carbon dioxide can be produced when 15.g of oxygen is reacted with 25.g of c2h2
May 6, 2013

Biology
How does the changes in the DNA code from CTT to CAT in the beta chain of haemoglobin affect cell activity?
May 6, 2013

mill creek high
what are some examples of archetype in the book
May 6, 2013

Grammer 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.
May 2, 2013

algerba 2
the length of a rectangle is (x-2)squared and the width is (5x+1) what is the perimeter of the rectangle
April 19, 2013

Calculus
1) Find the linearization of f(x) = sin(x) at x = 0 AND use it to estimate sin(pi/87.129)
April 16, 2013

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.
April 15, 2013

5th grade math 12-6
Using
April 15, 2013

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?
April 13, 2013

matematicas
¿cual es el area de un terreno rectangular de 15.5 x 10.1m?
April 9, 2013

chemistry
calculate the L of 5.00 M HCI required to neutralize 500.0 mL of 1.00 M Ca (OH)2
April 9, 2013

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...
March 30, 2013

ap chemistry
is there any online test that tells me in which area i am weak or strong?
March 27, 2013

ap chemistry
WHERE CAN I TAKE AP CHEMISTRY ONLINE DIAGNOSTIC TEST?
March 27, 2013

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 ?
March 25, 2013

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 ...
March 20, 2013

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 ...
March 19, 2013

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 !!!
March 18, 2013

Office Management
Thank you! :)
March 16, 2013

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 ...
March 16, 2013

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 seperate work and hom because they are motivated and independent. At this point, ...
March 16, 2013

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
March 16, 2013

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! :/
March 16, 2013

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...
March 16, 2013

URGENT!
You are correct - I posted D... And I was incorrect.
March 15, 2013

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
March 15, 2013

Who is correct?
Disregard - The answer is Sarah. Note: Costs of operating an office—rent, salaries, utilities, etc.—are considered overhead.
March 15, 2013

Who is correct?
Sarah says that overhead includes utility, rent, and salary costs. Jonas says that overhead includes liabilities and accounts payable.
March 15, 2013

PLEASE HELP !!
This answer was incorrect - The correct answer is "CHECK"
March 15, 2013

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?
March 15, 2013

PLEASE HELP !!
Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund
March 15, 2013

Office Finances
The answer is D per a tutor! :)
March 15, 2013

Office Finances
Which of the following would require a cash receipt? A. Credit memo B. Purchase order C. Check D. Refund
March 15, 2013

History
where can I find thesis of women right Seneca fall convention. How did it happened? The effect? When did it start?
March 10, 2013

Chemistry
What is the volume of 0.674 kg of acetylene, C2H2, at STP?
March 7, 2013

math
can one angle of a right triangle measure 100 degrees?
March 5, 2013

Life orientation
Yes
March 5, 2013

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
March 4, 2013

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?
March 3, 2013

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...
March 3, 2013

Chemistry
How much energy is required to heat 36.9g of ice at 0 degrees celsius to water at 0 degrees celsius?
March 2, 2013

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 ...
February 27, 2013

math
How else can you get ninety hundredths?
February 21, 2013

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...
February 19, 2013

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?
February 18, 2013

math
how do i solve -9(w-3)=8w-7?
February 13, 2013

Algebra
Thank you
February 8, 2013

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)
February 8, 2013

math
what is 2 tens from 3 tens?
February 7, 2013

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 ...
January 30, 2013

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...
January 30, 2013

Chemistry
What is the mole fraction of solute in a 3.26 m aqueous solution?
January 25, 2013

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?
January 24, 2013

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 ...
January 23, 2013

Earlychilodhood education
B. "I don't really know, Karen."
January 20, 2013

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??
January 15, 2013

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?
January 9, 2013

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.
January 8, 2013

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
January 6, 2013

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
January 6, 2013

math
how do you simplify 15 over 27 ?
January 5, 2013

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.
January 4, 2013

colllege algebra
use synthetic division to factor x^3-2x^2-9x+18
January 4, 2013

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)
January 4, 2013

ap calculus
How is the ap calculus AB and BC test? Is there any online practice test?
January 2, 2013

Chemistry
The relationship between ionization energies as evidence for electron configuration for elements?
December 20, 2012

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?
December 19, 2012

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 !
December 14, 2012

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 !
December 14, 2012

chemistry
Wat is the volume of a 200g object that has the. Density of 1.27L?
December 13, 2012

chemistry
Wat is the volume of a 200g object that has the. Density of 1.27L?
December 13, 2012

math hurry please
so 3c + 5a=115 and a+c=33 so if we plug in then 3*8 is 24 and 5*25 is 125 so that doent work so i just go on from their! Thanks
December 13, 2012

math hurry please
Each child ticket for a ride costs $3, while each adult ticket costs $5. If the ride collected a total of $115, and 33 tickets were sold, how many of each type of ticket were sold? A. 8 child and 25 adult B. 17 child and 16 adult C. 156 child and 41 adult D. 25 child and 8 adult
December 13, 2012

Chemistry
n artifact was found and tested for its carbon-14 content. If 83% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half-life of 5,730 years.) yr
December 11, 2012

english
thnks
December 10, 2012

english
how about for Germany
December 10, 2012

english
college graduation rates in USA and education statistics.
December 10, 2012

Physical Education
What is the average weight for 8th grade girls?
December 9, 2012

chemistry
How many grams of sodium hydroxide is needed to react with 100 ml of a 1.4 M nitric acid for complete neutralization to happen.
December 8, 2012

english
thnks
December 6, 2012

english
what else can we say?
December 6, 2012

english
i have to write an essay on why should we have freee colllege education improvement in U.S.A. Why it is problem. Can u please give the reason.
December 6, 2012

INTRODUCTION TO COMPUTERS
control a pointer on the screen
December 6, 2012

Chemistry
Which ion has larger radius O2- or F 1-?why?
December 5, 2012

Math
You pick two cards from a deck of 52 cards. Find the probability that the first card was a spade given that the second card was a spade.
December 5, 2012

chemistry
what is evidence of exothermic rection?
November 19, 2012

trigonometry
Been trying this forever so it says: Simplify 1+sin2x+cos2x/1+sin2x-cos2x ive tried this problem so many times I need help with it...
November 19, 2012

Chemistry
Fool's gold is not gold at all but only lead IV sulfide. If you have 751.0 grams of lead how many grams of fool's gold can you make? Ans: Pb+2S->PbS2 Given * (1/amu of given) * (mol of find/mol of given) * (amu of find/1mol)
November 18, 2012

movement and music
Two important factors to consider when making a music selection are variety and a. quantity b. quality c. mood d. rhythm
November 18, 2012

chemistry
the specific heat capacity of iron metal is 0.450 j/gk. how many joules of energy are needed to warm 1.31 g of iron from 20.00 C to 29.00 C?
November 8, 2012

ap chemistry
A 2.5 g of sample megnesium carbide is added to 8.8 ml of water inside calorimeter of 700 ml of water how do we find limiting reactant
November 6, 2012

physics
ok. thank u
November 1, 2012

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