302 Answered Questions for the topic Pre Algebra

Pre Algebra

05/28/14

(2x + 7) divide 3y + z Where x=10, y=3, z=5
Ok thanks I double checked with the teachers and it should've read with a divide between the first bracket and 3yagain just looking for advice on answers of 8 or 32?thanks
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Pre Algebra

04/30/14

Solve a direct variation problem
given that T varies directly as S, and T = 36 when S=9, find T when S=7.
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04/11/14

5/6 - 3/4 =?
i have a problem solving this 
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Pre Algebra Math Equations

03/23/14

How do I solve two step equations?
I am very confused with this problem, I do not know how to solve them  2k+16=4k   there are many others like this, and I really need to know how to solve them :)
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Pre Algebra

03/22/14

What was a + 14b before it was simplified
What was a + 14b before it was simplified
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Pre Algebra Algebra 1 Algebra Division

01/21/14

33/3^-1 .
A sloth moves along a tree at 3^-1 m each minute. How long will it take a sloth to climb a tree that is 33 m tall?
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Pre Algebra Math Algebra Equations

01/19/14

How do you find the b in this: y=2x (For graphing)
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Pre Algebra

01/07/14

Hi, my daughter is in 7th grade and is stumped on her pre-algebra homework. The first problem is 3k + 16 =5k
I have tried rewriting the equation but that has not worked. And her math book has confusing examples. PLEASE HELP US!!!!!!!!!!!!!!!!!!
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Pre Algebra

12/30/13

how to graph the function y=5x+10
i dont know how to do it... i know 5x makes the y 5 but i dont know what to do with the 10...
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Pre Algebra

10/24/13

Pre Algebra Help!!
I know I have to multiply by 42, but......lost now......please show work -7 =m/-42   
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Pre Algebra

10/23/13

pre algebra question
Please solve and show work   -7 = m/2
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Pre Algebra

10/18/13

what is the anwer to 22^0*22^4
please explain your answer.
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Pre Algebra

10/07/13

A road crew is paving a 4/5 mile stretch of highway. If the crew can pave 1/10 mile of highway each day, how long will it take the crew to finish the job?
A road crew is paving a 4/5 mile stretch of highway. If the crew can pave 1/10 mile of highway each day, how long will it take the crew to finish the job?
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Pre Algebra

09/29/13

how do I write distributive property as an equivalent algebraic wxpression
1(u-3)     write this as an equivalent algebraic expression  
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Pre Algebra

09/13/13

1/3m+2/3m=-1
I don't understand what to do with the first part of the problem.  
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Pre Algebra

08/29/13

if you have negative 3k and divide it by a negative 3k to cancel out will it be a positive? PLEASE ANSWER IN 24 HOURS
this is the problem we are working with, not sure if it should be a negative or positive 3k.           Actual problem: -3k+12=-6  if you don't mind please explain problem
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Pre Algebra

08/21/13

7a-3•5 equals what? I came up with a fraction
Pre Algebra question please!
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Pre Algebra

06/25/13

can you help solve this equation?
-2x+4>5(x-2)
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Pre Algebra

06/13/13

whats the perimeter of a square with a side four centimeters long
Whats the perimeter
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Pre Algebra

04/01/13

3(x-2)+5x=10
could u show me the steps and the answer 
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03/14/13

how to set up proportions?
for example ''Mrs. Stearns need to photocopy a 9.5 cm wide by 16 cm long picture. She wants to enlarge the picture so its length is 40 cm. How wide will the picture be?'' i need help on these kind... more
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Pre Algebra

02/23/13

4x-6x+x-5x
Solve in easy steps   
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Pre Algebra Algebra Equations

02/03/13

Algebra Equation
I am stuck on this particular problem: 3x + 4y - 2x + 3y? and also this problem: x + 40 = 2x - 20? I know I have to isolate the x's and y's, but am finding it a bit complicated to do so... I've... more
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Pre Algebra

01/11/13

x+y=2y-x=2
graph and find the intersection
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Pre Algebra

12/18/12

92 is all the following except
A. A contant  B. A term C. An Expression  D. A variable 
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