36 items are filed under this topic.
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Adding fractions |
2012-01-05 |
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From laurie: if shaded parts of a circle are 4/7 and the other is 1/3 what fraction is left Answered by Penny Nom. |
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1 third plus 5 sixths |
2011-11-10 |
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From Matt: 1 third plus 5 sixths = Answered by Penny Nom. |
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pi/2 + 12/13 |
2011-05-24 |
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From Jen: If you have (pi/2) and you want to add it to (12/13), how would you go about it? Answered by Chris Fisher. |
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1/a^2 + 1/b^2 |
2011-01-19 |
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From robert: If (a + b)^2 = 81 and ab = 18, find the value of 1/a^2 + 1/b^2 ? Answered by Penny Nom. |
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Least common denominator |
2010-02-13 |
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From Priscila: 3/8 + 4/5 + 7/3 + 9/10 = ?
Thank you for your assistance.
Priscila Answered by Penny Nom. |
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Combining fractions |
2010-02-10 |
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From Nick: Combine the fractions
2m/t + 5/mt Answered by Penny Nom. |
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Multiplying in different bases |
2009-02-25 |
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From Susan: 11 base 2 X 22 base 3 + 33 base 4 = _________ base 5 Answered by Robert Dawson. |
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Averaging percentages |
2009-02-21 |
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From Chris: Ok I'll give you a simple example of what I'm doing. Lets say that on one forum, a memebr has made 52 posts out of the 412 posts made altogether. Then on another forum, the same person has made 10 posts out of the 60 posts altogether. What percentage of the posts has this person made in these 2 fourms combined. Answered by Robert Dawson and Harley Weston. |
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Adding fractions |
2008-09-17 |
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From amanpreet: please can you help me to simplify:
2(c-3) / 7 + 3(4c-2)/2 Answered by Penny Nom. |
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How do you add decimals? |
2008-06-05 |
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From nyheashiacurry: how do you add up decimals? Answered by Janice Cotcher. |
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3 radical 48 +11 radical 75 |
2008-05-24 |
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From Maria: Add 3 radical 48 +11 radical 75. Write answer in simpliest form. Answered by Penny Nom. |
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Sum and difference of cubes |
2008-01-30 |
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From Amanda: It has been a really long time since I was in Algebra and I can't remember how to factor cubes such as x^3 +81 or subtracting/adding fractions with variables such as [1/(x+h)+2]-[1/x+2]. Please help!!! Answered by Penny Nom. |
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Adding algebraic fractions |
2007-08-14 |
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From John: Ive completely forgot anything to do with the subject mentioned, so my question is straight to the point..
I need to know how to do the following problem (Preferably do not give me an answer though)
(k/3k-8) - (4/k+2) Answered by Penny Nom. |
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Fractions of fractions |
2007-07-18 |
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From Bridget: Sam and Mary each owned one-half stock in a printing company. Sam sold 2/3 of his stock to Mary. What fractional part of the printing business does Mary now own? Answered by Penny Nom. |
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Adding with mixed fractions |
2006-03-30 |
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From Becca:
can anyone help with how we change to get the same denominator with adding whole number.
example:8+7 3/8
6 1/2 + 2 5/6
Answered by Stephen La Rocque. |
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Adding fractions |
2006-03-26 |
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From Barbara: I know that to subtract 1/4 from 2/3 I must find a common denom. Now the 2/3 becomes 8/12.....i understand the 12, but where does the 8 come from? Answered by Penny Nom. |
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Adding improper fractions |
2005-11-25 |
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From Paula: I would like a simple step by step explanation on how to add improper fractions. Answered by Penny Nom. |
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Adding positive and negative numbers |
2005-09-03 |
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From Billy: 46 + -24 =
-38 + -22 =
19 - 20 = Answered by Penny Nom. |
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Adding consecutive integers |
2005-05-13 |
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From Yas: i need some help with my work which is to investigating sums of consecutive numbers for example: 15= 4+5+6 and 15=1+2+3+4+5 Answered by Penny Nom. |
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The least common denominator |
2004-11-03 |
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From A student: Write the LCD for each pair of fractions.
13. 1/3,1/5
14. 2/7,1/4
15. 3/4,3/5 Answered by Penny Nom. |
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Subtracting fractions |
2004-05-11 |
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From Filipe: Question:
_5_ - __7__
6ab 8a Answered by Penny Nom. |
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A/30 + B/105 = (7A + 2B)/x |
2004-02-05 |
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From Jim: If A/30 + B/105 = (7A + 2B)/x and A, B, and x are integers greater than 1, what must x equal? Answered by Penny Nom. |
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Adding percentages |
2003-12-19 |
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From Paula:
How do you add percentages
e.g 90% + 80% + 60% + 54% + 25% = ?
Answered by Penny Nom. |
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Adding fractions |
2003-11-16 |
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From Ken: My name is Ken and I am taking my GED course for my High School and have not been in a class for 35 years. I am doing this for re-training. I am at the part about fractions. Here is an example that I am having trouble with.
1 3/7 + 4 2/3 + 11/21
They have no common denominators. Could you PLEASE help me. If you could send me a step by step explanation it would be greatly appreciated. Answered by Penny Nom. |
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7+8+9+...+1000 |
2002-09-11 |
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From Shirley: My question is what is the formula for adding up numbers when you don't start with number 1? For example 3 + 4 + 5 + 6 = 18. But how could you arrive at the answer without adding all the numbers? Answered by Penny Nom. |
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Common Denominator |
2002-08-26 |
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From Slobodanka: What is a Common Denominator? Answered by Penny Nom. |
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Adding algebraic fractions |
2002-03-20 |
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From Dolores: I get totally confused with this problem. I get confused with the getting the lowest terms. 4/x-5 + -2/x -10/x^2-5x Answered by Penny Nom. |
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Adding algebraic fractions |
2002-01-23 |
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From Francine:
Hello, I've come up with an answer for the following problem but it's not the same as the book's answer. However, the book has a lot of mistakes in it and I don't know if I'm doing it properly or not. Your help would be soooo appreciated. It's driving me crazy.The problem is:
2 + 3 + 4
--------- + --------- + ----------
(x-1)^3 (x-1)^2 (x-1)
[(x-1)^3 is (x-1) to power of 3 etc.] Answered by Penny Nom. |
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Adding and subtracting rational expressions |
2001-05-03 |
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From Donna: Adding and subtracting Rational expressions. I am in grade 10 and I am a student here is an example of the questions: 1/(x+1) - 1/(x-1) = ? Answered by Penny Nom. |
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Adding functions |
2001-02-19 |
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From Jackie: f(x) = x2 + 1; g(x) = x2 - 1 find a) ((f+g) of h)) (x) b) ((f-g) of h)) (x) c) ((f of h) - (g of h)) (x) Answered by Penny Nom. |
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What is wrong with these probelms? |
2001-02-09 |
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From Cindy: Hi, I am a planning on becomming a teacher and i am asked to find out what is wrong with these probelms and how i would go about showing a student what is wrong with them!! Error in patterns: 13/35=1/5; 27/73=2/3; 16/64=1/4 4/5+2/3=6/8; 2/5+3/4=5/9; 7/8+1/3=8/11 2/3*3=6/9; 1/4*6=6/24; 4/5*2=8/10 Answered by Leeanne Boehm and Penny Nom. |
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Adding fractions |
2000-04-23 |
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From A grade 6 student: In adding fractions, how do I rewrite the fractions so that the denominators are equal? The problem is 3/4 + 1/6 = The other problem is 11/18 + 4/9 = Answered by Penny Nom. |
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Making fruit salad |
2000-03-29 |
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From A grade 5 student: Miss.Muffet males a fruit salad by adding 31/2 pounds of grapes and 4 1/4 pounds of apples to every 2 1/4 pounds of melon. How many pounds of grapes does she use in 50 pounds of fruit salad? Answered by Claude Tardif. |
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Adding Fractions |
1998-10-15 |
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From Lindsay: please help me!!!! Answered by Harley Weston. |
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Adding Fractions |
1998-10-03 |
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From Pam Bailey: Can you help me simplfy this? (1/2a + 1/3b) - (1/4a - 1/5b) + (1/6a - 1/7) thanx Answered by Harley Weston. |
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Using your fingers |
1998-04-21 |
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From Ian Sutherland: My 7-year-old son, in Grade 2, constantly uses his fingers to count. I know for now this is a useful crutch but at what point should he stop? Answered by Diane Hanson. |
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