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August 22, 2014

Search: lcm

Number of results: 287

Math
Find the LCM of 11(s-3) and 33(s-3). LCM of 11 is 11*1 LCM of 33 is 3*11 LCM is 11*3*1=33 What do I do from here? I put down 33(s-3) was the answer but I don't think that is right. Thanks for your help.
May 16, 2010 by B.B.

Math
Can someone check my answers for me pls? True or False LCM of 10 and 18 is 180; False LCM of 8 and 30 is 120; True LCM of 3 and 4 is 12; True LCM of 42 and 28 is 168; True LCM of 9 and 15 is 45; True
December 5, 2008 by Jaden

Algebra
I am stumped by these two LCM questions for some reason. Find The LCM for #1 2(R-7) and 14(R-7) #2 (1+4r), (1-16r^2), and (1-4r) It seems like #1 is already at the LCM and #2 would be (1+4r)(1-4r) Am I even vaguely correct? Thanks for your help.
August 2, 2011 by Aria

algebra
1.FIND THE LCM OF 10X^7 AND 50X^4 2.FIND THE LCM OF x^2 -36 AND x^2 + 11x +30 3.FIND THE LCM y^3+8y^2+16y, y^2 -8y 4.FIND The LCM Of 15z^2 +60z and 3z^2 + 15z +12
November 9, 2011 by lisa

Math
I still do not understand Today was my first day learning how to add 3 sets of fractions with different denominators and I did not get it. I need help with the following please. 1/8 + 1/2 + 3/4 = Waht is the LCM? Answer 8. So convert all the other denominators to eights. 1/8...
March 21, 2007 by Andre

algebra
Find the LCM 10b^6 c^6, 5b^5 c^4, 14b^3 c^7 What is the LCM? I came up with 70(b^6)(c^7) Did I do this correctly? Thank you
July 1, 2008 by C

algebra
Find the LCM 10b^6 c^6, 5b^5 c^4, 14b^3 c^7 What is the LCM? I came up with 70(b^6)(c^7) Did I do this correctly? Thank you
July 1, 2008 by C

5th grade
if u have the lcm how do u find the numbers that make the lcm
October 29, 2010 by Anonymous

math
is this right Find the LCM for the given numbers by an appropriate method. 24, 54, and 27 the lcm=216
July 20, 2009 by chandice

MATH{lcm}
ok here is a list of 2 numbers Each and I had to find the LCM of... also the answers... 1.5\10=10 2.8\7=64 3.9\12=36 4.6\8=24 5.3\21=21 6.5\9=45
September 26, 2013 by mia

Math..LCM
find LCM 35b^6a^4,5b^8a^5,21b^2a^8 Can anyone help me with this please?
August 8, 2010 by Bonnie

math, algebra
Can someone check this for me : Find the gcf for each of hte following groups of numbers: 36,64, and 180 My answer: gcf=4 Find the lcm for each of the following groups of numbers which ever method you wish:8,15, and 20 My answer: Lcm=1 Find two factors of 15 with a difference ...
December 4, 2006 by jasmine20

math
When finidng the lest common multiply why how do you know which way to list the factoring so that you get the LCM 12=2*2*3 16=2*2*2 I say 2*2*2*3=24 LCM should be 48 What am I doing worng?
February 11, 2008 by Will

ALGEBRA
I have the answer and would love confirmation. VERY APPRECIATED! Find the LCM OF (1+2t), (1-4t^2), and (1-2t). 1-4t^2=(1+2t)(1-2t) 1+2t = 1+2t 1-4t^2= (1+2t)(1-2t) 1-2t = 1 - 2t. The LCM for all numbers is 1-4t^2 = (1+2t)(1-2t) Thank you
January 26, 2011 by AMY

ALGEBRA/PLEASE HELP
have the answer and would love confirmation. VERY APPRECIATED! Find the LCM OF (1+2t), (1-4t^2), and (1-2t). 1-4t^2=(1+2t)(1-2t) 1+2t = 1+2t 1-4t^2= (1+2t)(1-2t) 1-2t = 1 - 2t. The LCM for all numbers is 1-4t^2 = (1+2t)(1-2t) Thank you
January 26, 2011 by AMY

Math
if you know the lcm of 4 and 5, how could you find the lcm of 40 and 50
December 17, 2013 by Ren

mathematics
The HCF of 2 no. Is 1/28 of their LCM.The sum of the HCF and the LCM is 116.If one of the no. Is 16 , find the other.
July 30, 2014 by nitya

math
I don not understand how to do least common mutiples. Can I please get some help. I need to find the least common multiple of 420 and 196. there is a real neat way to do this which works for the LCM of any number of numerals. 420 196 -------| divide each number by a common ...
April 18, 2007 by missy

math
Q.1)Find hcf and lcm of the following using fundamntal theorem of arithematic 12,720 and 540. Q.2)Find the greatest number which divides 418,1354 and 2146 exactly leaving remainder 10 in each case. Q.3)If product of HCF and LCM of two numbers is 5120.One number is 6.What is ...
April 25, 2010 by stan

algebra
1. Find the LCM of (8+7), (64-49v^2), and (8-7v) 2. Find the LCM of 14x^7 and 98x^5 3. Find all numbers for which the rational expression is undefined 5/v-9
November 18, 2011 by lisa

math, correction
Find the LCM for 4 and 20 My answer is: LCM IS 20 Your answer is right
February 13, 2007 by jasmine20

Algebra
Find the LCM of (7+9u), (49-81u^2), and (7-9u) Find the LCM of 15x^8 and 75x^8
July 11, 2010 by Rene

math,algebra,bobpursley
Let me know if this is correct now: (1)Finding the lcm using which ever method for:5,15 , and 20 8:2x2x2x3x5x5 15:2x2x2x3x5x5 20:2x2x2x3x5x5 --------------- LCM:2x2x2x3x5x5 After simplification LCM:120 (2)Find the GCF for each of the following numbers: 36, 64, 180 Prime ...
December 4, 2006 by jasmine20

Maths
Q1.Write the names of the two methods you use to find the HCF and LCM. Q2.Write formula to show the relation between HCF and LCM.
June 21, 2014 by Pooja kumari

Algebra
Could I get some help Please!!!!!!!!! (1) Find the LCD 3/3v^2-3v-7/3v-3 (2) Find the LCM 14z^7 and 98z^8 (3) Find LCM y^3+6y^2+9y,y^2-6y
December 17, 2008 by pj

math , algebra
Let me know if this is correct : (1)Finding the lcm using which ever method for:5,15 , and 20 8:2x2x2x3x5x5 15:2x2x2x3x5x5 20:2x2x2x3x5x5 --------------- LCM:2x2x2x3x5x5 After simplification LCM:120 (2)Find the GCF for each of the following numbers: 36, 64, 180 Prime Factors ...
December 5, 2006 by Jasmine

Algebra 2
1)Find the LCM of m^2-4m-5 and m^2+8m+7. factorize both expressions you get (m+1)(m-5) and (m+1)(m+7) common factor is m+1 so LCM = (m+1)(m-5)(m+7) = m^3+3m^2-33m-35 2)Solve 8/(t+5)=(t-3)/(t+5)+(1/3). First convert the 1/3 to a fraction with (t+5) on the bottom and the other ...
May 20, 2008 by Jon

5th grade math
what is the least common multiple The least common multiple is the lowest possible number that has both numbers for a factor. For instance, if you are asked to find the LCM for 4 and 8, the LCM would be 8 because it is divisible by both 4 and 8. If you were given 3 and 4, the ...
October 5, 2006 by leo

Algebra
LCM of 3(t-2) and 6(t-2) IS the LCM 18(t-2)
February 3, 2008 by Noah

math
what's the LCM of 45 and 20? what's the LCM of 6 and 50?
September 27, 2008 by brandy

Math LCM
What is the LCM of 8, 11, 36, 80?
June 26, 2012 by Emma

find the LCM
Lcm of 2b, 6c
January 11, 2013 by Anonymous

math
please check my answers 1.which is smallest 5/8,3/4,9/16,7/8 =9/16 2.subtract 6 3/10-4 11/15=1 17/30 3.estimate 6 1/8* 7 4/5=48 4.lcm of 20,32=160 jon spent 1/3 of his study time doing math and 2/7 preparing for history exam. what fraction of his study time remains? = 8/21 5....
September 18, 2009 by p

math
How do u find the lcm v^3+4v^+4v, v^2-4z the lcm is ___(__)^2 (v-___)
May 22, 2009 by shelly

maths
if the LCM of first 20 natural numbers is X, then what will be the LCM of first 25 natral numbers
March 23, 2013 by Meenakshi

discrete math
If a and b are positive integers, and m=lcm(a,b), explain why m divides any common multiple of a and b. The answer is in the definition of lcm:] the smallest multiple that is exactly divisible by every member of a set of numbers. So if m is divisble by a or b, then ab divides ...
March 7, 2007 by romulo

Math
Find the LCM of 12 and 15 Find the LCM of 16 and 20
February 16, 2014 by Anonymous

MATH
Given the GCF or LCM, what else do you know about each pair of numbers? a) Two numbers have GCF of 2. b) Two numbers have an LCM of 2. Please and thankyou!
September 13, 2010 by Vanessa

6th grade math
Just wondering if you could check my answer to this question. Tell whether problem can be solved by using GCF or LCM. Then solve. Sean has 8inch pieces of toy train track and Ruth has 18 inch pieces of train track. How many of each piece would each child need to build tracks ...
September 9, 2013 by Alex

MATH
Please help me to find the least common multiple of 24 and 48. 1st go to this site: http://www.aaamath.com/fra66i-lcm.html Then give it a whirl and post what you think the answer is and we'll see if you need further help.
April 29, 2007 by carmen

Math
I am 55, my motherlaw is 70, my friend is 40. How do I figure out the LCM and the GCF. My home assignment is listed as= List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger...
January 25, 2011 by melvin

Algebra II
Our current assignment is to find the LCM, Least Common Multiple of two polynomials. I think I'm doing it right but I'm not quite sure. For the first question: 2t^2+t-3, 2t^2+5t+3 I have 2t^2+t+3 as the LCM. Is this correct or can somebody step me through the correct method to...
February 15, 2007 by Dave

discrete math
If a and b are positive integers, prove that: ab = gcd(a,b)*lcm(a,b). Can visualize this being true and easily create examples just dont know how to prove algebraically. well the gcd of any two number can be found by multiplying the two numbers together and the lcm of all ...
March 8, 2007 by Rom

math 6 grade
When the LCM of two numbers the same as one of the numbers?Use an example to explain. What is the LCM of six and two? so the LCM of six and two is the answer? Of course not. It is an example of what the question seeks. 3. the answer is 3! I relly apresiat this thank you How do...
November 8, 2006 by brittany

LCM of two numbers?
lcm of two numbers pi/3 pi/2 How do I do it? Would it be pi or pi/6? Thanks
December 15, 2013 by bob

math
List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed by name and age. Make ...
January 25, 2011 by melvin

algebra
Solve. x/9-1/7=26/63 STEP 1: The LCM is _________ To clear denominators, multiply each side of the equation by the LCM. _______/1 (x/9-1/7)=__________/1 multiply 26/63. STEP 2: Use the Distributive Property. _____/1 multiply x/9 - _________/1 multiply 1/7 = ______________. ...
March 1, 2013 by sally

math
How do I do the LCM?
March 23, 2008 by Jake

Math
What is the LCM of 25 and 10
September 17, 2008 by Steven

MATH
WHAT ARE THE LCM OF 16 AND 20
October 22, 2008 by TREVAIN

math
what is the LCM of 14 and 21?
January 12, 2009 by austin

Math
LCM of (x-y) and 2(y-x)
February 26, 2009 by Micheal

math
so the LCM for 4 and 20 is 20
March 24, 2009 by ferrer

math
what is the lcm of 9,7,2
May 12, 2009 by Taylor swift

LCM
12/15 (x ?) = 48/60 is it 4 14/20 (x ?) = 7/10 is it 2 3/4 (x ?) = 75/100 is it 5
May 26, 2009 by ak

math
lcm of 22 5 and 24
July 20, 2009 by torie

math
LCM OF 35,12,20
September 10, 2009 by p

MATH
What is the LCM of 1. 9, 12, and 20 2. 9, 21, and 63 3. 10, 20, and 45 THANK YOU!!!!!!!!!!!!
September 16, 2009 by Madelyn

math
what is the LCM for 16 and 24
February 24, 2010 by KYLE : )

math
what is the LCM 10 and 35
February 24, 2010 by BESTY : )

Algebra 1
what's the LCM of: 2r-1 , r+4
June 30, 2010 by Ana

math
LCM of 2t, (t-2) and t(t-2)
October 10, 2010 by Shaun

math
what is the LCM of 8 12 and 5
October 14, 2010 by niki

mATH
what are the LCM of 8 and 20
December 10, 2010 by JESSICA

math
what is the lcm of 16 and 30
January 12, 2011 by saleh

algebra
LCM of 14, 40, and 36
April 4, 2011 by Kimberly

math
Lcm of 2 and 3
October 19, 2011 by Bri

Help
Find the LCM of 3(t-2)and 6(t-2) is it 18(t-2)
October 27, 2011 by Katie

Help
Find the LCM t^3+8t^2+16,t^2-8t
October 28, 2011 by Katie

algebra 1
LCM of 15 c^2b^6, 5c^6b^4, 6c^7b^3
May 20, 2012 by kathy

algebra
LCM of 15 c^2b^6, 5c^6b^4, 6c^7b^3
May 20, 2012 by kathy

Math
What is the lcm for 5,15, and 24?
August 26, 2012 by Losa

math
what is the lcm of 24 and 48
September 20, 2012 by connie

math
How do you find the LCM of 3 and 7?
March 30, 2008 by Anonymous

Math
Find the LCM of 12,24, and 30
July 23, 2008 by Nathaniel

algebra
Is the LCM for xy, y3 = x3y3, y3
September 4, 2008 by Jake

math
find the LCM of 30 and 65.
September 27, 2008 by brandy

Algebra II
Find the LCM of f(x) = 4(x - 1)^2 (x^2 + 6x + 5) and g(x) = 10(x - 1) (x + 2) * (x^2 + 7x + 10)
May 24, 2009 by maddie

math
what is the lcm of 8,62,160
January 19, 2010 by Michael

math
find the LCM of 11(t-7) and 77(t-7)
March 9, 2010 by jen

6th grade
what is the LCM of 8,and 19
March 25, 2010 by dj

math
what is the GCF and LCM of 36 and 84
May 16, 2010 by joey

5th grade
what is the lcm of 15,25
October 12, 2010 by katria

Math
What is the LCM of 3(t-7) and 21(t-7)? I am struggling with this!
December 27, 2010 by Jamie

Algebra
(7+2t),(49-4t^2),(7-2t) find the LCM
March 13, 2011 by Xaphan

MATH
Find LCM t^3+8t^2+16,t^2-8t
October 26, 2011 by KATIE A

math
LCM of (2+9u),(4-81u^2)and (2-9u)
December 17, 2011 by Ashley A.

Algebra
find the LCM of y^2+6y+9 and y^2+y-6
January 20, 2012 by Rob

algebra
find the LCM of 11(z-3)and 33(z-3)
January 20, 2012 by Rob

algebra
t^3+6t^2+9t,t^2-6t find Lcm
May 31, 2012 by Randy

math
Whats the lcm of 32 40 and 49
November 3, 2012 by tt

math
what is the lcm of 11 5 and 4 please help
December 13, 2012 by casey

algebra
(8+9x), (64-81x^2), (8-9x) LCM is
September 26, 2013 by kelley

maths
Lcm for 2/3,4/9,8/15 numbers
February 12, 2014 by raghava

Math
Find the LCM of: 72 and 99 72 and 54
February 22, 2014 by Sandy

Algebra
O.k. this is similar to the other one I posted. There is a technique in my book how to solve similar ones but the examples aren't so good, so I have no clue were to even start. 1-(1/x)-(12/x^2) ----------------divide top by bottom 1+(6/x)+(9/x^2) Here are some of my questions...
July 21, 2007 by Sara

Math
I can't find the LCM of 30 and 48. Help please!!
September 18, 2007 by Heather

algebra
Find the LCM 15b^3a^3, 5b^8,a^2, 6b^2a^6
February 12, 2008 by becky

MATH
WHAT DOES LCM MEAN?WHAT IS THE DEFINITION?
June 16, 2008 by AYANNA

math
One more: The LCM of f(x) = 4(x - 1)^2 (x^2 + 6x + 5) and g(x) = 10(x - 1) (x + 2) * (x^2 + 7x + 10) is ...
May 24, 2009 by sami

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