Thursday
December 8, 2016

# Posts by bart

Total # Posts: 129

Bob, I am lost at what you mean.
I think I made a mistake in how I wrote the first one. I should have said (-2)^7 So would I be correct in saying -2^7
April 17, 2010

(-2)7=-2^7 -2^5 = -2*-2 = 4 * -2= -8 * -2 = 16 * -2 = -32
April 17, 2010

math Did I do it right?
That was rude and uncalled for! It asks for expanded notation.
April 15, 2010

math Did I do it right?
Calculate using expanded notation, showing steps. 72 + 806 Did I do it right? 72 + 806 (7*10) + (2*1) + (8*100) + (6*1) =(8 * 100) + (7*10) + (6*1)
April 15, 2010

math-lost
List all the subsets of S. You may use "C" for chocolate, "V" for vanilla, and "M" for mint. S = {Chocolate, Vanilla, Mint} I do not understand how to do this.
April 14, 2010

math
I am not sure I understand what you are saying; however, would my answer be 25?
April 14, 2010

math
I just do not understand how to figure this out. Find the number of subsets of the given set. {math, English, history, science, art} Would I do something like this: 1. {} 2. Math 3. English 4. history 5. science 6. art 7. Math and English 8. math and history 9. math and ...
April 14, 2010

math
Write the negation of the following: Every rectangle with four equal sides is a square. A) No rectangle with four equal sides is not a square. B) Every square with four equal sides is not a rectangle. C) Every rectangle with four equal sides is not a square. D) No square with ...
April 14, 2010

math
2 2/3
April 13, 2010

math
Not sure if I did this right. A worker has readings that take minutes each to read and record. How many readings can be completed in 192 minutes? 8/3 = 192/x = 8x = 576/8 = x = 72 Answer = 72
April 13, 2010

Math
Write the numbers in order of increasing size. 0.81, 0.811, 0.888, 8/10, 0.8181 I think it may be 0.888, 8/10, 0.81, 0.8181, 0.81
April 13, 2010

math
I can't believe I messed that up. Thx.
April 13, 2010

math
I have no idea how to do this: Express the ratio in simplest form. 5 yards to 24 feet convert yards to feet: 12 x 5 = 60 ft. Would the answer be 60:24 ? is this the simplest form if the answer is correct?
April 13, 2010

math
April 13, 2010

math
The 18th hole at the Riverwoods Golf Course is 441 yards long. How long would it be on a model with a scale of 2.5 inches to 100 yards? I do not understand how to figure this out.
April 13, 2010

Math
I do not understand how to decide which method would you use to determine whether this proportion is true or false? 19/6=4/27
April 11, 2010

Math
For the first time ever I understand. Thank you very much. Your correction helped me out immensely.
April 10, 2010

Math
I do not understand the 46 hundredeths. isn't the 2 in the hundredths?
April 10, 2010

Math
A 6-pack of 4oz containers of yogaurt costs 2.99. what is the unit price in cents per ounce? Round to the nearest hundredths of a cent. First I would take 6 x 4 = 24 oz. Then I would divide 2.99/24 and get an answer of .1245833. Would my answer be 12 cents/oz or 13 cents/oz
April 10, 2010

Math
thank you. I actually was thinking I needed to multiply and then divide but I should divide first, which would inclue inverting the 1/6 into 6/1. Duh.
April 10, 2010

Math
I was thinking that I have to multiply but that doesn't make sense. However, I am terrible at story problems. A child's dose of medicine is 1/6 of a pre-measured dose cup. If the bottle of a medicine is the size of 9 doses, how many children's doses are there in ...
April 10, 2010

math
In a game of Incan basketball, A points are given for a free throw and B points are given for a field goal, where A and B are positive integers. If A=2 and B=5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score exactly 3 points. Are there...
February 18, 2010

math
In a game of Incan basketball, A points are given for a free throw and B points are given for a field goal, where A and B are positive integers. If A=2 and B=5, then it is not possible for a team to score exactly 1 point. Nor is it possible to score exactly 3 points. Are there...
February 17, 2010

Grammar
What's wrong with the following sentence? He was in trouble for acting like a tomfoolery.
November 8, 2009

Economics
millerm740 thanks so much. 26/26 were correct.
April 14, 2009

Probability
Sharon was palying darts. She threw six darts and all of them hit the target. Which of the following could be her score? The target goes from 9 in the center, then 7, 5 , 3, and 1 on the outside ring. Possible Scores: 4 17 56 28 29 31 50 8 Please give a quick explanation.
February 23, 2009

Math
Sharon was playing darts. She threw six darts and all of them hit the target. Which of the following could be her score? The target goes from 9 in the center, then 7, 5 , 3, and 1 on the outside ring. Possible Scores: 4 17 56 28 29 31 50 8 Please give a quick explanation.
February 23, 2009

chemistry
how would you state Ag2CrO4 acting as a cathode?
June 3, 2008

math
ive been working on my sat's and i cant seem to figure out how to answer the following question. a right angle is given. the length of ba is 20. what is the approx length of bc? sin= .643 cos= .766 tan= .839 the answer is 12.9 but i don't know how that is. I assume bc ...
July 14, 2007

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