Saturday

February 28, 2015

February 28, 2015

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)=kã(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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