Questions on Algebra: Numeric Fractions answered by real tutors!

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Question 95439: i"m sorry i missed another question
* the bears set out to pick berries for one of carol's famous pies. when they stopped picking:
*one bear sampled a berry and then ate 1/2 of what was left.
*another bear sampled a berry and ate 1/2 of whatwas left.
maria took the bucket and saw only twelve berries left. how many berries did they pick in all

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Question 95708: Two tests only. Prof. Davis counts his midterm as 2/3 of the grade, and his final as 1/3 of the grade. Jason scored only 64 on the midterm. What range of scores on the final exam would put Jason's average between 70 and 79 inclusive?
Please kindly help me.

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Question 93806: how numerical and algebraic epressions different
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Question 95773: Name the Reciprocal of each number:
25.] 2 3/4
26.] 5 1/3

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Question 96087: 9/10*1/2-3/10=
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Question 96233: Please help me. I have 3 parts ti this question. I have to anwer any 2 of them and cannot get the anse=wer. This is my first time doing Intermediate Algebra. Thank you for your help.
1. Find an example from your line of work or daily life that can be expressed as a polynomial
2. What does FOIL stand for and what is the purpose of FOIL?
3. What happens to the inner and outer products in the product of a sum and difference, (a + b)(a – b)? Give an example.


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Question 96233: Please help me. I have 3 parts ti this question. I have to anwer any 2 of them and cannot get the anse=wer. This is my first time doing Intermediate Algebra. Thank you for your help.
1. Find an example from your line of work or daily life that can be expressed as a polynomial
2. What does FOIL stand for and what is the purpose of FOIL?
3. What happens to the inner and outer products in the product of a sum and difference, (a + b)(a – b)? Give an example.


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Question 96235: The width of a rectangular playground is 2x - 5 feet, and tthe length is 3x +9 feet. Write polynomial P(x) that represents the perimeter and then evaluate this perimeter polynomial if x is 4 feet.
This is my first class in Algebra, kindly help me to solve this word problem.

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Question 96343: P=2x+2w for x
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Question 96354: Please kindly help me. I am having problem with this question.
The length of the swimming pool is 2x-1 meters, and the width is x+2 meters. Write a polynomial that represents the areaa. Find the area if x is 5 meters.
Thank you in advance.

Click here to see answer by checkley71(8403) About Me 

Question 96410: I am working on my exercises and I am having problem with this question. I am very new to this course and having difficulty understanding these questions. Please kindly help me.
1. Find a trinomial that represents the area of a parallelogram whose base 3x +2 meters and whose height is 2x +3 meters.
2. Sam lives on a lot that he thought was a square, 157 feet. When he had it surveyed, he discovered that one side was actually 2 feet longer than he thought and the other was actually 2 feet shorter than he thought. How much less area does he have than he thought he had?
Thank you for your help.

Click here to see answer by checkley71(8403) About Me 

Question 96500: 2
- x = -14
3

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Question 96551: Mario has 55 CDs. Write an expression to represent the total number of CDs he will have after 18 months if he buys x CDsper month?
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Question 96742: -6/5a=8
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Question 96884: 31=-1/6m
multiply both sides by -6
-1/6m X -6 = 1m
-6 X 31 =-186
m= -186

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Question 96885: 5n = 2 3/4
multiply 5n by 1/5 = n
multiply 2 3/4 by 1/5 = 11/4 time 1/5 equal 11/20
n=11/20

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Question 96929: A piece of land measures 3 3/4 acres and is for sale at $60,000. what is the price per acre?
Click here to see answer by mathslover(157) About Me 

Question 96928: divide and write each result in simplest form
5 1/3 divided by 2 2/5

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Question 96927: Divide and write each result in simplest form.
3/4 divided by 9

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Question 96932: Evette has 41 1/2 feet of string. She wants to cut it into pieces 3 3/4 feet long. How many pieces of string will she have? How much string remains, if any?
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Question 96963: multiply and write each answer in simplest form
4 1/5 x 10/21 x 9/20

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Question 97425: I am new to this subject and having difficulty in solving these problems. Please kindly help me.
1. Find three consequtive integers such that the sum of their squares is 77.3
2. solve equation w^3+5w^2-w=5
3. Factor completely z^4-81
Thank you for the help

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Question 97423: I am having problem answering these questions. Please kindly help me.
1: For what real number k, does 3x2 – k factor as 3(x – 2)(x + 2)?

2: Which of the following products is not equivalent to the others? Explain your answer.
1. (2x – 4)(x + 3)
2. 2(x – 2)(x + 3)
3. (x – 2)(2x + 6)
4. (2x – 4)(2x + 6)

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Question 97544: Please help me. I am having problem with these questions.
1. Find three consecutive integeres such that the sum of their squares is 77.
2. 16x^2 - 2x - 3 Factor completely
3. 2x^2 - x - 10 Factor each polynomial completely
thank you kindly for your help.

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Question 97603: How can I "FACTOR COMPLETELY" this question. I am having problem understanding this question
16x^2 - 2x - 3
Thank you for the help

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Question 97634: please answer this problem and explain how you got the answer
2-4(-5+x)-2x

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Question 97622: please helpe me with this problem, 3/5*?=1
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Question 97681: I have been working on these questions, and cannot seem to understand the concept. Could you kindly help me. I have 2 questions that has to be answered.
1: How can you determine if ax2 + bx + c is prime?

2: Your friend is taking an algebra class that began one week after ours. Post an email to your friend in this discussion question thread explaining a general strategy for factoring in a very organized way.
Thank you kindly

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Question 97698: 3 laps is 5/8 of a mile. If he runs 3 miles, how many laps does he need to run?
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Question 97776: The question said to say what p is but i really dont know how to sole it
3/8+p/8=25/8

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Question 97781: I am having difficulty in understatnding these question. Kindly help me.
1. A rectangular painting with a width of x cm. has an area of x^2 + 50x sq. cm. Find a bionomial that represents the length.
2. 2x^2-x-10 factor polynomial completely
3. v^2 - 22v - 75 Factor polynomial
Thank you

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Question 97780: Question:am i doing this right....
5n/6-1/4=3/8
you times the all the bottm numbers by two
6*2=12
4*2=8
8*2-16
am i doing this right or is there an easyer way

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Question 97879: 3/4 + 1/2 Evaluate
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Question 97901: I have been working on these questions and cannot get the answer. Could you kindly help me.
1. a^2-a= -a ( ) complete the factorization of each binomial
2. t^2 - 9w^2 Factor polunomial completely
Thank you kindly.

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Question 97991: Hi,
Sorry, I don't know where to look. I'm having some difficulty. Please help. I have two, -15r=-75, x-(-16)=44
Thnak You much,
Doug

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Question 98027: I am a bit confused with this question. Could you kindly help me.
Determine whether each polynomial is a different of tow squares, a perfect square trinomial, or neither of these.
x^2 - 8x - 64
Is this a perfect square trinomial. I got x^2 - 2x^2 - 8^2. Please help me.

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Question 98191: Please kindly help me with this word problem. I am having difficulty solving it.
1. A guy wire of length 50 feet is attached to the ground and to the top of an antenna. The height of the antenna is 10 feet larger than the distance from the base of the antenna to the point where the guy wire is attached to the ground. What is the height of the antenna?
Also I am having a problem factoring this problem. How can I factor
10a^2 + ab - 2b^2
Thank you kindly for the help.

Click here to see answer by checkley71(8403) About Me 

Question 98398: can you help me wuth this puestion
what positive number is the same as its reciprocal?

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Question 98424: Divide
r13 / r3

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Question 98163: what fraction lies exactly halfway between x over two and x over three
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Question 98756: There is a problem I am really stuck on: 2/3! +1/ 1/2! +4. I have already figured out part of it and where I am now is 1 1/3 / 4 1/2 or 4/3 / 9/2. I dont know what to do from there.
Click here to see answer by edjones(8007) About Me 

Question 98885: I have been having problem answering these questions. Kindly help me.
1: True or False. Explain your answer.
To solve the equation x2 = 8x, we divide each side by x.
2: True or False. Explain your answer:
a^2+b^2/ a+b reduced to lowest terms is a + b.
Please help me with these 2 question. I thankyou.

Click here to see answer by stanbon(75887) About Me 

Question 98879: Robin ran 5 1/3 miles on Sunday, 2 1/4 miles on Tuesday and 3 1/2 miles on Friday. How far did she run during the week?
Thank you again for the help

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Question 98876: solve the following:
1 1/15 + 3 3/10 - 2 4/5
i am lost again.
thank you

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