Questions on Algebra: Numeric Fractions answered by real tutors!

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Question 30200: I would appreciate some help. It has been a while since I have done this. I am to solve the equation: 2/5 + 1/3 t = 5.
Thank you very much.

Click here to see answer by sdmmadam@yahoo.com(530)

Question 30431: solve the proportion. Round to the nearest tenth.

4/7=n/12
Click here to see answer by checkley71(8403)

Question 30385: (1/a + 1) / (1/a2 - 1)
The book gives an answer as: a/1-a, but I just can't see how they get it.
You must first multiply both numerator and denominator by the LCD, right? Isn't this 2a? When I multiply both by it, I get:
(2 + 2a) / (1 - 2a)
and get stuck there. What am I doing wrong?
Click here to see answer by longjonsilver(2297)

Question 28743: Perform the indicated division or state that the expression is undefined.
-5/13 / (-1/4)
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30768: 1/3S + 7/9 = 4/3S
Click here to see answer by troyapplehelen(46)

Question 30858: This question is on integers. Need to help my grandson..
This integer is greater than -20 and less than 7
#2write the integers in order from smallest to largest...
20,-20,4,-7,3,0,6,-1
Thank you very much
Click here to see answer by Nate(3500)

Question 28131: 1 1/2 devid by 1 3/8
Click here to see answer by hyperasad(6)

Question 27014: solve equation, check solution
- 4/9 y + 2 = -6
Click here to see answer by hyperasad(6)

Question 27014: solve equation, check solution
- 4/9 y + 2 = -6
Click here to see answer by imadewfoos(2)

Question 27014: solve equation, check solution
- 4/9 y + 2 = -6
Click here to see answer by mathwiz07(3)

Question 27012: find area of triangle
1 2/5 yrds by 4 1/2 yrd
Click here to see answer by hyperasad(6)

Question 31105: i need help alot of it plz help me im afraid that i might not go 2 7th grade im failing in math and reading can u help me i f u can thnx if u cant then ill learn my self.:)

mike k kim spring hill elementry
Click here to see answer by ikdeep(226)

Question 31113: Hello,
It's me again, Kristin. Can you help me again with another problem?
8 1/4-5 2/3=
Now I know that you have to turn it to a whole fraction.
8*4+1=33 =33/4
5*3+2=17 =17/3 ..Now comes the LCD=12
The denominators must be divided by 12 and multiplied by the numerator
3(33)/12-(4)17/12
=99/12-68/12
=31/12
=2 7/12
Is this right?
Click here to see answer by mbarugel(146)

Question 31704: If 3x = x/2+10,then the value of x is. How did you get the answer?
Click here to see answer by blubunny01(20)

Question 31866: Find the length of the unknown side of each right triangle with legs a and b and hypotenuse c. Round to three decimal places, if necessary.
1) a = 3, b = 9

A) c = 27

B) c = 9.487

C) c = 12

D) c = 4.899
Click here to see answer by stanbon(57361)

Question 31838: what is the decimal for 2(numerator)10(denominator)?
Click here to see answer by Cintchr(481)

Question 31838: what is the decimal for 2(numerator)10(denominator)?
Click here to see answer by ikdeep(226)

Question 32004: If 4 fifth X _____ = 2 fifth What is _____?
Click here to see answer by joey_quizan(15)

Question 32018: 0.9 12 ————— = ———— 1.5 n

Click here to see answer by AnlytcPhil(1277)

Question 32015: Ben is making wooden toys for the next arts and crafts sale. Each toy costs ben $1.80 to make. If he sells the toys for $3.oo each, how many will he have to sell to make a profit of exactly $36.00?
Click here to see answer by mbarugel(146)

Question 32162: What is the formula for solving -1/3x+1/2y=5/3?
Click here to see answer by stanbon(57361)

Question 31829: Find the number that is 3/4 of the way from 3/5 to 2 2/3.
Click here to see answer by stanbon(57361)

Question 32172: how do you add a question or how do you find the awnser to this question-
2a+2b= what
Click here to see answer by venugopalramana(3286)

Question 32092: -7x[9-4/5x(-15)]=
Click here to see answer by mukhopadhyay(490)

Question 32394: Which of the following is larger? Please explain how you made your decisions.

3 fifths or 0.59
6 fourths or 1.6
2 over 1000 or 0.0025

Click here to see answer by Cintchr(481)

Question 32415: 2/5h-6>-7+1/2h
Click here to see answer by mukhopadhyay(490)

Question 32323: A quantity, its 2/3, its 1/2 ,and its 1/7 , added together, become 9. What is the quantity?

A) 42/97 B)197/42 C) 873/42 D)378/55

If possible please show me how to do a problem like this.
Click here to see answer by venugopalramana(3286)

Question 32655: i just do not get math how can u help?
Click here to see answer by checkley71(8403)

Question 32814: 6'4" and 8'1"
how do i express the length in feet using mixed fractions AND improper fractions??
Click here to see answer by sarah_adam(201)

Question 32813: 7/16 and 3/8
How can you use the language of fractions to express the sizes of the two wrenches so that they can be effectively compared? And, how can you use decimals instead of fraction to express the size of each??......please explain very simply ;)
Click here to see answer by checkley71(8403)

Question 32890: Simplify 16 3/4
Click here to see answer by ikdeep(226)

Question 32890: Simplify 16 3/4
Click here to see answer by Brandon(1)

Question 32953: The kitchen floor of your home is 12’6” in width and 10’4” in length. You have decided to put in a new tile floor. The tiles that you have selected are 5” on each side.
1. Express the area of the kitchen floor, in square feet, as an improper fraction.
2. Express the area of each tile in square feet.
3. How many tiles are required to tile the floor?
4. Explain how your answer relates to the real world

Click here to see answer by checkley71(8403)

Question 33050: x+4=t over 7
Click here to see answer by xcentaur(357)

Question 32970: Im so sorry but i still do not understand this, can you make it easier for me to understand, if possible, thank you very much for your help..
The kitchen floor of your home is 12’6” in width and 10’4” in length. You have decided to put in a new tile floor. The tiles that you have selected are 5” on each side.
1. Express the area of the kitchen floor, in square feet, as an improper fraction.
2. Express the area of each tile in square feet.
3. How many tiles are required to tile the floor?
4. Explain how your answer relates to the real world

Answer by checkley71(316)
12 1/2*10 1/3 = 25/2*31/3 OR 775/6 SQ FEET
5/12*5/12=25/144 SQ FEET
(775/6)/(25/144) OR 111600/150 OR 744 TILES ARE NEEDED
THE REAL WORLD REQUIRES A TILEMAN/WOMAN TO KNOW HOW MANY TILES HE/SHE NEEDS TO COMPLETE THE JOB. NOT TOO MANY BOXES AND NOT TOO FEW
Click here to see answer by checkley71(8403)

Question 33300: Can you explain a step by step on how to solve this problem? Thanks!
-7+3p=13p-5
Click here to see answer by sarah_adam(201)

Question 33397: how do I simplify this:
2+3/4
______
2-3/8

Click here to see answer by priya(51)

Question 33449: a^2xy2
__________
a^3xy reduce to lowest terms
Click here to see answer by stanbon(57361)

Question 33605: How to sove this
(4/2-1/3)+x=13/15
Click here to see answer by checkley71(8403)

Question 33678: please ! could you help me in these problems

1) The denominator of a fraction is three more than the numerator. If the numerator is doubled and the denominator is increased by nine, the resulting fraction is equal to ½. What is the original fraction?
2) The denominator of a fraction is three more than numerator. If the numerator is tripled and the denominator is increased by 17, the resulting fraction is ½. What is the original fraction?
3) Bob, Celia, Sam and Daniel contributed money to buy their boss a retirement gift. Sam and Daniel each gave the same amount of money. Celia gave $12 more than Daniel. Bob gave half as much as Celia gave. If the four workers gave a total of $81, how much did Sam give?

From your faithfully student
Click here to see answer by venugopalramana(3286)

Question 33990: At a concert, orchestra seats sell for $15 each and balcony seats sell for $10 each. If 324 orchestra seats were sold and the box office collected $ 7540, how many balcony seats were sold?
Click here to see answer by fanism(39)

Question 34063: (3x-2)^2=9x^2-6. Did I do this problem right? I just want to make sure before I hand it in.
Click here to see answer by fanism(39)

Question 34065: x^3-27=(x-3)(x-3)(x-3)
Did I do the problem right? He wanted me to factor completely.

Click here to see answer by fanism(39)

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