April 19, 2015

Posts by Betty

Total # Posts: 315

Having a hard time finding websites on Puerto Ricans living in America and identifying the linguistic, political, social, economic and familial conventions Good weblinks in here to help you. If you need more help, check each of ...
August 4, 2007

Can you help me find Q1, Q3, any outliers, and interquartile rang out of 6, 20, 25, 26, 30, 30, 31, 31, 32, 33, 34, 36, 36, 39, 40, 41,50, 52, 66, 76. I searched Google under the key words "Statistics Q1 Q3" to get this source:
May 5, 2007

22.0 ammonium chloride decomposes to form hydrochloric acid, and ammonia. at the conclusion of the reaction, the scientist collects 10.24L of ammounia measured at 52 degrees Celsuis and 105.3 kPa. What was the percent yield of the reaction? Write the equation. NH4Cl ==> NH3...
February 20, 2007

still can't solve .32x + .20y = 3.92 it's my last math question for the day!!!! What do you mean solve it? suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy? i got the equation--.32x + ....
February 1, 2007

suppose you bought some 32 cent stamps and some 20 cent stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy? x = number of 32 cent stamps y = number of 20 cent stamps ================== x+y = 16 0.32x + 0.20y = 3.92 solve for x and y. Check my thinking. x...
February 1, 2007

Subtracting real numbers
I always get stuck because I never know where to start, and the signs confuse me. Here's the problem: -10-(-8)+(-4)-20 Here's my first step... -20-10-8+4 -10-4 =-14 But, that's not right. I checked in the back of the book for the answer, and the answer is -26. I ...
January 31, 2007

who invented snowmobiles? A man named O.C. Johnson made the first snomobile in 1909. According to this site, Carl Eliason invented the snowmobile. This site gives the credit to O.C. Johnson. http...
January 10, 2007

statement: Middle-school stundents do not know enough about pet nutrition. students were asked to rate the statement on a 1 to 5, where 1=stongly disagree 2= disagree 3=neither agree nor disagree 4=agree 5= stongly agree. what van u conclude from the suruvey results and your ...
November 28, 2006

what is 11/12 divide by 5/6 what is 12 2/5 divde by 5 1/6 whole numbers 12 and 5 To divide by a fraction, multiply by the inverse. 11/12 divided by 5/6 = 11/12 * 6/5 For the second problem, change both from a mixed fraction first. 12 2/5 = 62/5 You should be able to do the ...
November 24, 2006

Mariela loves car races,so she buys a model of the winning car from a race she watched. On the box she sees that the length of yhe model is about 8.5 inches. She knows that the actual car is about 208 in. long and 72.5 in. wide. About how wide should the model be? Length/Width...
November 6, 2006

Am I PUNCTUATING THIS SENTENCE CORRECTLY? Have you read the article entitled"Increase Your Vocabulary"? Do Place a comma after the word entitled? Do I Underline the title of the article? It's punctuated just fine, except you need a space between entitled and the ...
October 18, 2006

What nees to be done to correct this sentence? Do you know who said,"Genius iS a an immense capacity for hard work"? A. The sentence is correctly punctuated. B. Place the question mark inside the final quotation mark. C. Change the comma to a colon. Please read this ...
October 18, 2006

Film (Steamboat Bill, Jr.) - English
How does Steamboat Bill, Jr. directed by Charles Reisner differ from contemporary films?
September 11, 2006

why does an athlete or person in good physical condition has a lower resting heart rate than a person who is relatively unfit. I ran a Google search using these terms: athlete resting heart rate (notice the correct spelling of athlete, or I wouldn't have gotten decent ...
August 4, 2006

ionic compounds!
why are ionic compounds abundant in nature? Betty, I don't know how to answer your question. Abundant compared to what? How is abundant defined? I would think there are more covalent compounds in nature than ionic compounds but I may be wrong. Can you clarify the question ...
June 17, 2006

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