# I havent been in school for 30 years can someone please help. we are having trouble with subtracting fractions like: 8 1/9 - 1 6/7 = ?

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### math

I havent been in school for 30 years can someone please help. we are having trouble with subtracting fractions like: 8 1/9 - 1 6/7 = ? Any help would help...thanks

### Math / Fractions

I am having a hard time figuring out how to solve these fraction word problems. For example: A patch of dirt needs 3 5/6 cubic yards (yd3) of concrete to cover it. If Nick decides to cover only 3/4 of the dirt . how much sod does he need. How do I work this problem? It has ...

### calculus

I am working on this problem and having some trouble. We're supposed to use partial fractions. The problem is: integral of dx / (x^6-1) . I got the values of A and D, but I am having trouble with the others. Help please!

### English Please help

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### math

So I've been having trouble solving some problems. Mainly problems that look like this 5-(t+3)=-1+2(t-3) what causes problems is the 5- part. I asked my teacher for help, and he gave me a hint, which is to distribute a -1 like 5+(-1)(t)+(-1)(3) But I still don't get it? Can ...

### math

can someone help me on the Adding and Subtracting Fractions Mid-Unit Review quiz please

### 5th grade

can you explain to me how to add and subtract fractions like 2/5 + 5/12 or 7/12 - 8/9? i'm having trouble on this and i'm always forgetting how to do it.

### Math

I need help figuring this out, I tried to simplify 3 times this are fractions, I can't express fractions in here.. -4/7x=12/35 (-7/4) x (-4/7) = -7/4 x 12/35 1 times x = 84/140 I am having trouble simplifying I got so far 42/70, 21/35 and are wrong please help

### MATH

Evaluate the expression for the for the given value of the variable..................... 4(x-4; x = 7 Can someone help please, I have been having trouble with this problem for sometime now.

### medical billing and coding from Penn Foster

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### Algebra 1

Find the final amount of an investment if $2,000 is invested at an interest rate of 8% compounded quarterly for eight years. Please and thank you! I`ve been having so much trouble with this question. Thank you!

### English-(PLEASE CHECK)

Does George think the new job will last a while? My Answer- Yes. What clues does he give? He says that they are not like the other guys. OR....... No, because he knows what Lennie could do, like in Weed. He knows Lennie's a lot of trouble and that he'd be better off w/ out him...

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### Help ASAP

I'm having trouble with the surface area of the sphere. Like, here's a question I'm having trouble solving: What is the approximate surface area of the sphere if it is 7 centimeters? a. 615 cm^2 b. 539 cm^2 c. 154 cm^2 d. 84 cm^2 Please show all work and how you solvedi t. ...

### fractions

Mr.shafier has been teaching school for 10 years.For 6 of those years he taught 8th grade.what fraction represents the time Mr.shafier has not been teaching 8th grade?I knoe the answere is 2 5ths. but how do i show work?HELP!!!!!!!!!!!!!!!

### algebra

How do you factor 4u^2-w^2 because I havent been able to do it? Can someone help with this?

### Math/fractions

I need help with subtracting fractions I have no idea if I'm doing it right. Please help. 3/7-9/21 Fist you find a least common denominator, right? So it's 21 Do you then multiply 3/7 to 3/3 so it will be 9/21 So, 9/21 - 9/21 = 1

### Sociology

Can someone please help me read population pyramids for Zambia? I have to compare 3 different years and explain what's going on to the population but i don't understand how to read the population pyramid. Im having trouble understanding what the numbers are moreso than ...

### Subtracting fractions

Can someone help me subtract factions I don't know how to borrow. 12 1/3 - 7 2/5 LCD=15 So, 1/3 • 5/5 & 7/5 • 3/3 = 5/15 - 21/15 And then I have no idea what to do

### history

Ok i am having trouble with my world history homework questions........Please HELPPPP!!!!!!!!!!!!!!!!!? Ok these are the three questions i am having trouble with: 1. What are some of te characteristics of the "Renaissance man" and "Renaissance woman"? 2. How did Italy's cities...

### math

in what way is subtracting fractions with unlike denominators like adding fractions with unlike denominators?

### English

We have been given a list of words and have to write the plural of them. I have found the answer to each of the words but now have to write rule for each. I know that words ending in ch, x, s or s-like sounds will all end in es. I am having trouble find a rule for words like ...

### subtracting fractions

4/5-2/3=? Find the least common denominator of 5 and 3 so that you can convert the two fractions to fractions that have the same denominator, then you can subtract them. Repost if you still have trouble. http://www.math.com/homeworkhelp/HotSubjects_fractions.html =) The LCD of...

### Math Practice Worksheets

Hi! My son Zakeri is having trouble with polynomials. Could yp please provide some worksheets for my son Zakeri to work on? He's been having trouble with polynomials lately. Thank you! Nancy and Daniel Hamilton (Zakeri's parents)

### Honors Chemistry

Can someone please explain to me how to use the stock naming system when naming chemical/ionic compounds? I reeeeaaaally do not get it. Here's some examples: 1. CaCO3 ==> I know the answer is calcium carbonate, but how is it that answer? 2. FeSO4 ==> The answer is ...

### Math

I've been having trouble with these four problems. Please help. 1)-8n(6 - 7n) + 2(3n - 8) 2)-3k(-8k - 6) - 5(-8k + 8) 3) -5a(a - 1) - (4a + 8) 4)-4(b - 3) - 8(b - 2)

### Algebra

I'm having trouble working out these problems. Could someone please assist? with this first one do I factor the x^2 + 3xy - 18y^2 first? x - 3y * x^2 + xy - 30y^2 / x^2 + 3xy - 18y^2 3a^3b^2 * 4a^2 + 2ab + b^2 8a^3 - b^3 12ab^4 3y + 12 / 9y+36 8y^3 16y^3 Susan I see these are ...

### math

i'm having trouble with converting fractions to decimals, and determing leaqst to greatest and vice versa. I have a problem that ask to order ther fractions and decimals from greatest to least: 0.75, 7/10, 1/7 ?

### Chemistry

I havent been at school for 8 days due to somthing wrong with my heart, but the teachers gave me work. I have no clue how to do them. I really need help please, There all due tomarrow. Determine the density of chlorine gas at 22C and 1.00 atm pressure.

### Math

ummm what are some tips withh adding and subtracting fraction ? .... and what sign to you use when you have a postive and neg intger and you are add ing and what is it for subtracting I don't know what level you are at, so I will be very basic. The plus sign (+) is used to ...

### Math

I am having trouble remembering how to simplify fractions

### math

Solve the system:4x+2y-13=0 and 3x=5y+26 by elimination. 3 (4x+2y-13=0) 12x+6y-26=0 4 (3x=5y+26) 12x=20y+104 I need to subtract since the signs are the same: 12x+6y-26=0 Since they don't match up, I'm having trouble subtracting them. I'm not sure what to do next. Please help??

### Pre-Calculus

I'm having trouble understanding how to do complex fractions.. My book doesn't explain it very well.. 12. (x+3/12)/(4x-5/15) 14. (2/x^2 + 1/x)/(4/x^2 - 1/x) 16. (1/y + 3/y^2)/(y + 27/y^2) If you could please explain how to begin the process I would appreciate it.

### Fraction

So I have figured this out but I don't think this is the way I am suppose to write the equation fraction out. 8 1/2 years ago, Steven was 7 years old. How old is he now? Do I write it out like this 8/1 + 1/2 + 7/1 ??? But it comes out too high of a number. I know I am doing it...

### Math. please help

-1/2 + 1/3 = Adding and subtracting fractions with rational numbers.

### 6th Grade Geometry

Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you cut ...

### Chemistry

I havent been at school for 8 days due to somthing wrong with my heart, but the teachers gave me work. I have no clue how to do them. I really need help please, There all due tomarrow. Determine the pressure inside a televison picture tube with a volume of 3.5L that contains 2...

### Math

How you do multiplication as scaling like 2 1/2 x 3 2/3 3 2/3 I suppose to say if it is <, >, or = Can someone explain how to solve this problem I need to learn how to do it because my daughter is having trouble getting it and I don't know how to do it

### math

I am having trouble finding the x and y intercepts in this equation. Can someone please help me? y=-5-5x

### English

What do you like doing in school? 1. I like playing baseball with my classmates on the playground after school. 2. I like studying at the library on the third floor of the school building after school. 3. I like listening to classes at my academy with my close friends. 4. I ...

### English

So I'm working on an english paper but I've been stuck the past hour on what to do. I'm trying to take my teachers advice by putting in an anaphorism (repeated words or phrases)but I'm having trouble. I'm repeating the phrase "eight months" but I'm stuck on my last sentence. I...

### ALGEBRA

If you are subtracting fractions like 8-y over y-4 MINUS 7y-9 over 4-y... will the LCD be y-4? I'm stuck on this!!

### algebra2-imaginary numbers

You can add or subtract complex numbers by treating the i as a variable and combining like terms. I am having a lot of trouble figuring out these equations with imaginary numbers. 1. (3+2i)+(7-i)= 2.(1-6i)+(2-i)= 3. (2+i)-(3+i)= 4.(4+i)-(2-i)= Can someone please walk me ...

### algebra

I am having trouble with this, can someone please help me? Add (simplify if possible) x^2 + 11x/x^2 - 3x + x^2 - 6x/x^2 - 3x

### science

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which traits are strongest in your persuasive essay: ideas, organization, voice, word choice, sentence, fluency, or conversation? provide textual evidence from your essay to support your answer. Please can someone help I'm having trouble figuring this one out!!!!

### DrBob222 help me!!

Please I posted a chemistry question but I havent gotten any answer back please help me, sorry for having so little patience answered below.

### English

I included the sentences I was most doubtful of. I hope you can clear my doubts. Thank you very much in advance. 1) My family and I have been on holiday in Greece. We stayed on a little island... There wasn't any wind. Unfortuanately I spent there only a week. 2) I have just ...

### Algebra

(3X+1)/(3)-(3/2)=(1-X)/(4) I am having trouble simplifying the fractions because everytime I do it I come up with a different answer at the end.

### Algebra

5x+3y=9x-7y I am having trouble in solving. My answer is ending in fractions. And do far I have gotten y=-1/7

### Math

I am having trouble with the concept of unit conversions for math C30. I am in cyber school and it does not seem to be explaining it as much as I would like. Here is the question: Change 25 kilometers per hour into feet per second. Can you please explain how you are finding ...

### math ( subtracting fractions)

12 1/4- 4 1/8 When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it.

### Literature

I have to write a persuasive essay on a certain topic. My topic is: School Uniforms--Good or Bad? For this activity, I have to support my opinion that having school uniforms is better by convinving evidence. Some examples I can use are statistics, anecdotes, and quotations to ...

### Algebra

I am having trouble with the following problem can someone please help me to figure out how to work it..... -8x-21= -23 2/3

### english

these are questions based on the book to kill a mockingbird 1. how does atticus explain to scout a way of getting along in school and with other people, in chapter 3 2. why does atticus think it is just as well that the ewells do not attend school, chapter 3 3. what does his ...

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### high school

which one of the fractions contain like fractions A.6/7or 1/5/7,B.3/2or 2/3 C.5/6or10/12,D.3/1/2or 4/3/4

### Math

I'm having trouble understanding equivalent fractions. I'm getting frustated with myself, I feel so stupid for not understanding it. Here's the 2 questions I have to answer: 1. Find a number for x in 18/27 = x/3 so that the fractions are equivalent. 2. Find a fraction ...

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Im having trouble finding out what the graphs would look like for these kinematic equations a.v=vox b.dx=dox + voxt c. vy=voy +gt d. dy= doy +voyt +1/2gt^2 can someone explain to me what the graphs would look like and why? Thanks!!

### math

my daughter is working on 5n + 2n - (3-10N) can someone walk me through how to solve problems like this I have not been in school in over 20yrs. I think you have to work () first? but really do not know HELP please thank you

### maths please help

Subtracting ,division and multiplication of fractions A. 16p^2-4q^2/(6p^2-7pq+2q^2) *6p^2-13pq+6q^2/(4p^2-4pq-3q^2) B. a^2+a-2/(6a-12) / a+2/(a^2-3a+2) C.3/(x-3) -x^2/(6+x-x^2) -2/(x+2) D.x+1/(x^3-1) - 1/(x^2+x+1) Key

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### Chemistry

I havent been at school for 8 days due to somthing wrong with my heart, but the teachers gave me work. I have no clue how to do them. I really need help please, There all due tomarrow. A 2.00L flask is filled with propane gas(C3H8)at 1.00atm and 15C. What is the mass of ...

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A bottle of juice holds 3/8 gallon when it is full, if 1/3 of the juice has been poured out, how much juice is left? Is this subtracting fractions or multiplying??

### physic- i need to know today!

Im having trouble finding out what the graphs would look like for these kinematic equations a.v=vox b.dx=dox + voxt c. vy=voy +gt d. dy= doy +voyt +1/2gt^2 can someone explain to me what the graphs would look like and why?

### College Algebra

I'm still having trouble with this problem. Can someone please explain the steps to me. -2x+4>12 Is this the next step? -2x+4-4=12-4

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### English

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### Subtracting Fractions with like Denominators

If Lori's neighbor gave her sixths eighths cup of milk, would she then have enough milk to make her 2 pancakes?

### math

I forgot how to add and subtract mixed # fractions. How do you do it? ex) 3/7+5/6=1 11/42- How did they get this answer?? ex) 5 6/13-2 8/13=2 11/13- How did they get this answer?? ex) 3/7+5/6=1 11/42 You need to find a common denominator when adding or subtracting fractions. 3...

### Math

Describe two ways to determine the larger of two fractions. A. Compare fractions by writing fractions as mixed numbers B. Compare fractions with the same denominator by comparing the numerators and compare fractions with different denominators by writing fractions as ...

### Pre Calculus Repost Please Help

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### Programming Logic and Design

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### maths

Can someone please help me with solving this equation (I don't know how to do it with the fractions) 1/3 x1^-2/3 . x2^2/3 -------------------- 2/3 x1^1/3 . x2^-1/3 how do I cancel out some of the terms and reduce it down so that Im left with x2 on top and x1 on bottom?? And ...

### Estimating sums and differnces of fractions

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### Finite Math- Please help!

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### division of fractions

Division of fractions is sometimes said to be multiplication of inverses. Elaborate with an explanation and example. If you have a/b divided by c/d this is the same as a/b * d/c If e.g., we have 2/3 divided by 7/9 then we have 2/3 * 9/7 = 6/7 When dividing fractions the rule ...

### art

How do you add and subtract fractions? Provide an example and demonstrate the steps you would take to arrive at the answer. What strategies would you use to help a student struggling with the concepts of adding and subtracting fractions?

### proofread

Can someone please proofread this before i email it to school metro's director Mr. Thomas LeMera Hey LeMera, my name is Bryan Martin and I’m email you to require more information on your school. I am a senior in high school in temple hills MD. I'm interested in becoming a ...

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As a prewriting exercise for my evaluative essay, I have to open the story that i have chosen and write two quick paragraphs or a list about it. I have to put my opinion of the work first and then add specific reasons why i feel that way. I'm writing on "Daugher of Invention" ...

### math

how do i put fractions in order from least to greatest? it's on my homework and i am totally lost. i forgot because i learned this like 2-3 years ago. please help me!

### Math 116A

I have been out of school for a very long time and I just enrolled to take some classes online and I am having a lot of trouble with my math. I just cannot seem to understand what it is that they want. Is there anyone that can help me with this. I am desperate. We are doing ...