Friday
November 28, 2014

Posts by kate


Total # Posts: 1,712

Chemistry
To find the molarity of a solution the equation is: molarity = (moles of solute)/(volume in Liters (this is important you must convert any other volume to liters)) a)0.175 mol ZnCl2 in exactly 150 mL solution. First note that 150ml = .150 L solution Set up the equation M = (0....
October 31, 2011

6th grade math
write the following number as a percent. 1/200
October 30, 2011

6th grade math
oh thank you very much!!!
October 30, 2011

6th grade math
what if 3 2/5??? should I change the mixed number to a improper fraction by multipling the 3x5=15 then add 15+2=17, then 17/5 as the improper fraction. Then convert 17/5 = ?/100, divide 5 into 100 =20. then multiply 17x20=340. So the percent is 340%?
October 30, 2011

6th grade math
write the following number as a percent. 6 1/2
October 30, 2011

math
The area of a rectangular floor is 72 ft2. The length of the floor is 1 ft more than 3 times the width. How wide is the floor (rounded to the nearest whole number)?
October 19, 2011

MATH
If a boy has 72 inches of copper wire and 42 inches of steel wire would you use factor or multiples?
October 18, 2011

college algebra
how long will it take an investment of $5000 to grow to $8000 if it is invested at 7.8% per year compounded weekly?
October 15, 2011

english
How do I cite an in- text citation in mla format that has more than 3 authors do I list all the authors and how will this ciation appear in my work cited page
October 12, 2011

Biololgy
how and why will boiling affect an inorganic catalyst differently than an organic catalyst
October 12, 2011

math
thank you very much!!! :)
October 9, 2011

math
calculate 2/3 ÷ 1/2. In your own words, describe how the quotient of two fractions can be calculated.
October 9, 2011

math
A common error to think that since 5/3 - 4/3 = 1/3, the quotient 5/3 ÷ 4/3 is equal to 1 1/3. Explain why this is incorrect.
October 9, 2011

math
thank you very much!!! :)
October 9, 2011

math
what is 2 ÷ 1/2?
October 9, 2011

I need more HELP!
Please look at the acticle in the Critical Thinking post about Stiglitz and then answer the question. Also look at my above attempt and provide feedback. Thank you
October 9, 2011

English, Critical Thinking Part 2
Okay, here's what I came up with by breaking the argument down: Prmise 1: All people posses self interest and are dependent on each other. Premise 2: The top 1% posses a high self interest. Conclusion: Thus the top 1% are dependent on the other 99%. Therefore the ideology ...
October 9, 2011

English, Critical Thinking Part 2
Okay, I have my definition. Now I need help with discussing the ideology in the article.
October 9, 2011

English, Critical Thinking Part 2
This is regarding the same article by Stiglitz. Define and discuss the term "ideology" as related to the article. Explain the ideology in the article.
October 9, 2011

I need more HELP!
I need someone to actually read the article and attempt to answer my question. I already know the approach to writing but need input.
October 9, 2011

English, Critical Thinking
I already have a handout on fallacies. I can't identify them in the article. Please read the article. I agree with the author's argument but have to look for discrepencies.
October 9, 2011

English, Critical Thinking
PLEASE HELP. I have this essay due tomorrow. I need help with the following: I have to critique the following article and write an essay. But first I need help identifyine Fallacies and the Types of evidence present. Then state whether or not his arguement is compelling. Its ...
October 9, 2011

math
Ashton broke apart a number into 30 + 7. What number did he start with?
October 3, 2011

math
Ashton broke apart a number into 30 + 7. What number did he start with?
October 3, 2011

math
Ashton broke apart a number into 30 + 7. What number did he start with?
October 3, 2011

physics
a superball of mass .125 kg is dropped onto a concrete floor from a height of 1m it bounces back at a height of .9m. What is the net force acting on the ball before and after its released? Work done by the net force while the ball is falling until just before it hits the floor...
October 1, 2011

6th grade math
what is 1/3 of 3/2? is that means multiply??? or devide???
September 29, 2011

physics
If a race car completes a 2.8 mi oval track in 41 s, what is its average speed? Answer in units of mi/h
September 29, 2011

Book Summary
In the book: "A Tale of Two Cities"; in book one chapter one "The Period". What is that chapter taliking about it is really confusing. You don't really meet any characters yet. HELP PLEASE!
September 25, 2011

6th grade math
thanks :)
September 25, 2011

6th grade math
isn't it B?
September 25, 2011

6th grade math
Chan drove for X miles at 45 miles an hour, Y miles at 60 miles an hour, and Z miles at 55 miles an hour. Which expression can be used to find the total numbers of hours that Chan drove? A. (45+60+55)(XYZ) B. 45X + 60Y + 55Z C. (45+60+55)/XYZ D. X/45 + Y/60 + Z/55
September 25, 2011

6th grade math
Ye Olde Toy Shoppe wants a set of toys: 1/4 of the toys should be blue, and 1/2 of the toys should be green. 2/3 of the toys should be giraffes, and 1/4 of the toys should be monkeys. Decription:???
September 24, 2011

Precalculus
Instead of graphing the arc length against the height, Olivia decides to make graphs of Paul's x - and y - coordinates against time. Suppose paul walks 1 meter per second. How would Olivia's graph compare to her graph of arc length against the height?
September 22, 2011

math
200 + 350= 80 + 30 =
September 22, 2011

Dynamics
Problem 13.185 A 9.13 kg sphere A of radius 90 mm moving with a velocity magnitude v(0)= 2 m/s strikes a 830 g sphere B of radius 40 mm which is hanging from an inextensible cord and is initially at rest. Sphere B swings to a maximum height h after impact. Determine the range...
September 22, 2011

math
yes
September 21, 2011

physics
jason drives due west with a speed of 35.0 mi/h for 30.0 min, then continues in the same direction at 60 mi/h for 2.00 hrs, then farther west at 25 mi/h for 10.00 minutes, What is Jason's average velocity
September 21, 2011

physics
jason drives due west with a speed of 35.0 mi/h for 30.0 min, then continues in the same direction at 60 mi/h for 2.00 hrs, then farther west at 25 mi/h for 10.00 minutes, What is Jason's average velocity
September 21, 2011

Dynamics
Fundamental Problem 15.12 The cannon and support without a projectile have a mass of 250 kg. If a 20 kg projectile is fired from the cannon with a velocity of 400 m/s , measured relative to the cannon, determine the speed of the projectile as it leaves the barrel of the cannon...
September 21, 2011

statistics
Got it! Thanks!!
September 20, 2011

statistics
My stats book wasn't very helpful in the teaching of this. I'm not really sure how to do it, so if you could teach me some EASIER methods, I would greatly appreciate it!
September 20, 2011

statistics
# A stoplight at the corner of Lincolnway and Duff Avenue is red 20% of the time. For someone who drives through this stoplight 10 times a week, what is the probability that they will stop at least three times? a: .201 b: .771 c: .878 d: .322
September 20, 2011

English
Is their grammatical error with this sentence?
September 19, 2011

English
I'm not so good with English would you please help me Wood frame houses are caught fire. Clothing bursts into flame and people suffered intense third-degree flash burns over their exposed flesh. Which do you think is incorrect? Please!!!
September 19, 2011

English
Choose the one that is not correct Wood frame house are caught fire. Clothing burst into flame and people suffer intense third-degree flash burns over their exposed flesh.
September 19, 2011

6th grade math
a dog can run as fast as 39.35 miles per hour.without calculating,would about 12,14,or 16 be a reasonable answer for the number of miles a dog could run at this rate in 0.4 hour?Explain your reasoning.
September 18, 2011

Math-Problem of the Week
There are 32 teams in the NFL. 16 of them are in the AFL. The other 16 are in the NFC. At the beginning of the season Julia tried to predict the teams that would be in each Conference championship by randomly drawing 4 teams (2 AFC teaams and 2 NFC teams) from 2 hats. What is ...
September 18, 2011

algebra
Determine which one of the following values of x is not a soluton of the inequality 0<x+5/6<2.
September 18, 2011

algebra
Solve the inequlity x^2>16 and give the answer in interval notation.
September 18, 2011

Math
1. turn them into improper fraction 9 2/3= 29/3 3 5/6= 23/6 2. convert each to the same denominator= 58/6-23/6 you should be able to figure it out from there then simplify if possible
September 15, 2011

math
3.5x10 to the 3rd 9.82x10 to the 6th
September 15, 2011

math
1st tell us what you think it is
September 15, 2011

4th grade math help!
yes i would agree that is would be less than since he rounded down for both
September 15, 2011

6th grade math
1.50.but can you explain more detailed about the 0.2 thingy.
September 15, 2011

6th grade math
20 cents. but what if the next number is 1.5.Then how will i solve it.
September 15, 2011

6th grade math
but why is 2.0 bigger than 0.15?
September 15, 2011

6th grade math
but why is 2.0 bigger than 0.15?
September 15, 2011

6th grade math
sally's pencil is 15 hundredths of a meter long(0.15).Edward's pencil is 2 tenths a meter long(0.2).whose pencil is longer?
September 15, 2011

statistics
Lubbock, Texas ran a survey and determined that 27% of all households subscribed to the daily paper, 32% watched the evening news, and 9% did both. If a household is chosen at random, what is the probability that the evening paper was received or the news was watched?
September 15, 2011

statistics
An office has 8 secretaries and 5 computer operators. If one employee is picked at random, find the probability that it will be a secretary.
September 15, 2011

statistics
If a card is drawn at random from a deck of 52, what is the probability that it is an ace or a heart?
September 15, 2011

statistics
37% of all doctors are family practitioners. If four doctors are picked at random, what is the probability that all four are family practitioners? a.1.48 b.0.0187 c. 0.0168 d. .1369
September 15, 2011

maths
I apologize but the onnly way I can currently think of involves algebra if you would like to know it let me know. :)
September 10, 2011

comm 100
I would agree with 2 the definition of ambigious seems to agree with choice 2, as well. Hope that helps!
September 9, 2011

Math
12/4= 3/1 4/12=1/3
September 9, 2011

communications100
I would say 1 or 3
September 9, 2011

algebra
Multiply across to get 16/3 a negative multiplied by a positive=a negative =-16/3 or 5 1/3
September 9, 2011

8th grade math
Like Ms. Sue showed, you need to combine like terms. 3n-5n=-2n -7+1=-6 You cannot combine -2n and -6 so the answer would be -2n-6. -2n-6
September 9, 2011

6th grade math
A resturant manager wants to order new glasses. The ratio of the number of water glasses to the number of juice glasses in the resturant is 15 to 2. How many juice glasses did the resturant manager order if she ordered 180 water glasses?
September 8, 2011

Biology Help!!
Estimates of the quantity of water required in the production of a pound, or Kg, of beef range from _______________ to __________________. What do you think is the most reasonable estimate of the quantity of water needed to yield a Kg. of edible beef - and why?
September 7, 2011

Biology Help!!
Estimates of the quantity of water required in the production of a pound, or Kg, of beef range from _______________ to __________________. What do you think is the most reasonable estimate of the quantity of water needed to yield a Kg. of edible beef - and why?
September 7, 2011

3rd grade math
You could add the 2 numbers she broke it down into to get the answer. 30+7=37 37
September 6, 2011

math (please help)
f(x)=-(x-1/2)^2(x+1) How to find the y-intercept of the function?
September 5, 2011

spail sheet
what is the fist anwer.
August 30, 2011

6th grade math
let x=number of kids 1/2 times x times 7 plus x times 3=1625
August 24, 2011

algebra
16540=2500 using an algebrac equation problem what is x
August 12, 2011

Precalculus
A discus is thrown from a height of 3 feet with an initial velocity of 55 ft/s at an angle of 44° with the horizontal. How long will it take for the discus to reach the ground? I started off with 55cos(44)=40 then I made an equation 40t-16(t)=2.5 seconds? I feel like I did...
August 9, 2011

Precalculus
Thanks reiny! But one question how do you know when to use the triangle method and when to use parallelogram?
August 9, 2011

math
Thanks for answering! and yes i think there is an error in the question
August 8, 2011

math
Find cos x if sin x cot x = 4. I got 4 but isnt it impossible for cos to equal 4? Isnt it only supposed to range from -1 to 1? the answer choices are 1)4 2)2 3)1 4)sqrt 2
August 8, 2011

math
So i need to figure out what the angle and speed was of a foot ball that traveled 59 yards how can i figure that out? what formula can i use?
August 8, 2011

physics
which of the following is there no net work? A car accelerates down a hill. A car travels at constant speed on a flat road. A car decelerates on a flat road. A car decelerates as it travels up a hill. I say its the first one
August 6, 2011

Math-please help!!
Normally, the first 3 key points of a sine curve are (0,0), (90,1), and (180,0). If the function is changed to y=-2sin(3x-120)+5, the key points given above change to... Please explain this to me so that I can do it myself.
August 4, 2011

biology
from the phenotype of the kernals on each P generation cob what would the predicted genotype of any F1 plant be?
August 3, 2011

biology
Based on what you know about phenotypes and figure 2 for the p generation what is the corn plant genotype on each cob containing the P corn kernals
August 3, 2011

maths
simplify 12-1/9 /4/3+(1/2)^2
August 3, 2011

Math
How long will it take for a 1 g sample of Polonium 210 to lose all but 1/28 of its radioactivity if the half-life is 140 d?
August 1, 2011

Math
How long will it take for a 1 g sample of Polonium 210 to lose all but 1/28 of its radioactivity if the half-life is 140 d?
August 1, 2011

Math
In a recent dig, a human skeleton was unearthed. It was later found that the amount of 14C in it had decayed to (1/rt8) of its original amount. If 14C has a half life of 5760 years,how old was the skeleton?
August 1, 2011

Math
In 1976 a research hospital bought half a gram of radium for cancer research. Assuming the hospital is still exists, how much of this radium will the hospital have in the year 6836 if the half-life of radium is 1620 years?
August 1, 2011

Math
In 1976 a research hospital bought half a gram of radium for cancer research. Assuming the hospital is still exists, how much of this radium will the hospital have in the year 6836 if the half-life of radium is 1620 years?
July 31, 2011

Math
y=-x^2+1.5x+2 Find the maximum value.
July 31, 2011

Math
What are some examples of exponential function (Using the formula: Al = A0(1/2)^t/h ), trig functions that are used to find amplitude, period, max, min etc., and combinations of transformation at home or in life in general?
July 30, 2011

Math
Use the information provided to write the vertex form equation of each parabola. a)y + 60x + 294 = -3x^2 b)−(y+1) = (x−4)^2
July 27, 2011

Math
A piece of cardboard has a length of 60cm and a width of 40cm. In order to make the cardboard into an open box, a box with no lid), a piece of length x must be cut out of each corner. Write an equation to represent each dimension of the box.
July 26, 2011

Math
Simplify: (3x+5)^3-3x(x^2-1)
July 26, 2011

Math
If f(x)=5x+2 and g(x)=x^2+3, then what is f(g(x))?
July 25, 2011

Math
Which of the following is a solution to the trigonometric equation 2cos2 x - 5cos x + 2 = 0? A) 240 degrees B) 135 degrees C) 270 degrees D) 90 degrees
July 23, 2011

Math
Identify the period in degrees and radians: y = sin2x: y = cos(3/2)x: y = 2sin(1/2)x: y = 1.5cos0.25x:
July 23, 2011

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