Saturday
December 20, 2014

Posts by Susana


Total # Posts: 37

Chemistry
How much Tris do you need to weigh out to make 250 ml of the 50 mM buffer? A. 0.95g B. 1.51g C. 2.42 D. 1.75g
September 13, 2014

Physics
the answer is pi t , number 4.
July 2, 2014

Math
I dont know
March 10, 2014

Statistics
Mrs. Marble gave her 5th grade class a math test. The scores reflect a relatively normal distribution. The mean score for the group was 80 with a standard deviation of 8. Based upon this information, answer the following questions: Bobby scored exactly two standard deviations ...
January 27, 2013

ALGEBRA 1
Stu has $21.40 in dimes and quarters for a totl of 100 coins. How many of each kind of coin does he have?
May 29, 2012

ALGEBRA 1
A JET FLIES WITH THE WIND AT 1100km/hr and 750 km/hr against the same wind. Find the rate of the wind and speed of the plane PLEASE INCLUDE THE EQUATION OR SET FOR SOLUTION
May 29, 2012

ALGEBRA
In a math contest each team is asked 50 questions. The team earns 15 points for each correct answer and loses 8 for each incorrect answer. One team finished with 566 points. How many questions id the team answer correctly?
May 27, 2012

algebra
Wild rice sells for $6 pound, and plain rice sells for $1 per pound. A grocer wants 10 pounds if the mixture to sell for $2 per pound. How much of each type should he used?
May 27, 2012

Reading
okay, that makes sence... Thank you so much Ms. Sue
February 14, 2012

Reading
What does it mean to say "I don't want to sound to hostile"???? Please answer in small words so that I can understand, sorry if that sounds rude but I am dyslexic.
February 14, 2012

Reading
what is an easy definition for the word "accent"?
February 14, 2012

Mathematics
2/5g = 3/5 Thanks
January 30, 2012

Math Help
I have to use one variable in an equation. How?
January 30, 2012

Math
You are fantastic. So fast. Thanks. So 14.5 divided by 4 friends will be 3.625 so the answer will be 4 each one. Right?
January 30, 2012

Science
Caleb is holding a metal block in his hand. What could he do to decrease the thermal energy of the block? a) cool it b) drop it c) hit it d) melt it
November 16, 2011

English
thank you for your help
November 16, 2011

English
I need synonymous and antonyms of 1) bluster 2) commentary 3) facet 4) synopsis 5) tarry 6) setback 7) fidelity I need this seven words to finish my homework . Pleaseeeee
November 16, 2011

Math
I didn't understand Ms. Sue. Please can you explain to me how can you get this answer. Thank you for your time.
November 15, 2011

Math
A Japanese beetle has a length between 0.3 and 0.5. Find two lengths that are within the given span. Write them as fractions in simplest form.
November 15, 2011

Calculus
The annual inventory cost C for a manufacturer is C=(1,008,000/Q)+6.3Q where Q is the order size when the inventory is replenished. Find the change in annual cost when Q is increased from 350 to 351, and compare this with the instantaneous rate of change when Q=350.
October 3, 2011

Calculus
A ball is thrown straight down from the top of a 220-foot building with an initial velocity of -22 feet per second. What is its velocity after 3 seconds? What is its velocity after falling 108 feet?
October 3, 2011

Calculus
Find k such that the line is tangent to the graph of the function. Function: f(x)=kã(x) Line: y=x+4
October 3, 2011

Calculus
Determine the point(s) (if any) at which the graph of the function has a horizontal tangent line for y=(3^1/2)x+2cos(x), 0¡Üx<2¦Ð
October 3, 2011

Math
how to figure possible set of scores for 15 students that would result in the class average of 66
September 20, 2011

Business
George Wilkins checked the spreadsheet where he keeps track of his assets and liabilities. He discovered that (i) he owes $80,000 on his house, which he believes to be worth $150,000; (ii) his car is worth $20,000, against which there is $2,000 on the remaining bank loan; (iii...
April 17, 2011

business
. George Wilkins checked the spreadsheet where he keeps track of his assets and liabilities. He discovered that (i) he owes $80,000 on his house, which he believes to be worth $150,000; (ii) his car is worth $20,000, against which there is $2,000 on the remaining bank loan; (...
April 17, 2011

Math 7th
Write a description of each rule 2. (x,y) --> (x + 5, y - 2)
December 12, 2010

Math 7th
Write a descripition of each rule 1. (x,y) --> ( x- 11, y +4)
December 12, 2010

Math
I guessed 2 ...
October 6, 2010

english
I need a description of a major theme from The Robber Bridegroom by Eudora Welty, please please please. -Preferably the theme with "Jamie Lockhart is the bandit of the woods. And the bandit of the woods is Jamie Lockhart" Thank you!!!
May 12, 2010

2nd grade
the homework is about quotation marks. Add quotion marks if the sentence needs them. Write an x after the sentence if quotation marks are not needed. 1.- Cal wants to collect rocks. 2.- He asks, Mom, can I have a bucket for my rocks?. 3.- His mom gives him a big bucket. 4.- ...
April 28, 2010

Geometry
year go to the homework helper i have to do the same thing.
April 5, 2010

us.history
i have a question that say on a cart for each section: In the first column, write notes to describe how the inventions and trends of the 1920s changed american life. in the second column write the name of a related company or product that contributed to the boom of the 1920s. ...
January 19, 2010

Trig.
Why is the arctan of (- square root of 3) 5 pi/6. How come it isn't broken down to 5 pi/3 since I got 10 pi/6 and that reduces to 5pi/3
December 15, 2009

crt 205
I need an example of a nonprejudicial rhetorical devices
November 24, 2009

Axia
how might a person distinguish between the prejudicial snd nonprejudicial use of rhetorical devices?
November 24, 2009

math
explain why tan 60degree=root3.
November 6, 2009

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