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Math
I need help solving this math problem, please: Problem: Angela's math test had 100 multiplechoice questions. Each correct answer was worth 1 point, each incorrect answer was worth 2 points, and skipped questions were worth 0
asked by Patti on October 6, 2008 
Math check 3
f(x) = 1/(x+7)+15/(x8). Find all a for which f(a)=f(a+15). I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a8) = 1/(a+22) + 15/(a+7) I have multiplied the LCD of (a8)(a+7)(a+22)by both sides with no luck. This is a multiple
asked by Shawn on October 12, 2008 
math
Please help me with this problem: Jhon missed 5 points out of 100 points on his math test. What decimal number represents the part of his math test he answered correctly? my answer is 0.95. my work: 1005=095
asked by Anonymous on September 17, 2014 
ENGLISH/MATH/SCIENCE HELP!
Is there any websites for teens to read short stories (or long), then you answer ONLY multiple choice questions, grade you, and to have a profile or something to see all of your grades if your making progress each time (to see if
asked by Laruen on March 9, 2013 
math
What are the important variables in the problem below? A test is worth 50 points. Multiplechoice questions are worth 1 point, and shortanswer questions are worth 3 points. If the test has 20 questions, how many multiplechoice
asked by aaron on September 28, 2015 
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1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem.
asked by rfvv on July 16, 2013 
fractions
my teacher gave us some fraction problems for homework, but I'm confused about how to go about solving the problem. The problem is what is 2/4 of 8. Can you show me the steps so I can do the rest of the math problems? 2/4 reduces
asked by dontethrid grader on May 23, 2007 
Math
I need help solving the problem below. Chris answered 19 out of 25 questions correctly on a math test. What percent of the questions did she answer correctly? Is the answer 76% 19/25= 0.76
asked by Rachel on April 13, 2016 
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Is this math problem hard?  There are 12 brothers living in a mansion. Six brothers are sitting in a rectangular kind of table. Six other brothers stood around them. They all have ten huge backpacks. Each backpack has 8 large
asked by Losa on September 24, 2013 
statistics
A math test consists of 17 multiple choice questions, each with five possible answers (a, b, c, d, e), only one of which is correct. Assume that a student takes the test and randomly answers the questions. What is the probability
asked by anon on April 24, 2016