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Answers by johnperkins
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johnperkins
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User johnperkins
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User johnperkins
Recent activity
All questions
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how do you solve 4x+y=20, 5x-2y=12 with the substitution method?
answered
May 25, 2014
in
Algebra 2 Answers
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574
views
substitution method
how to work substitution problems with two variable
answered
May 25, 2014
in
Algebra 1 Answers
|
565
views
substitution method
Help with substitution and elimination problems
answered
May 25, 2014
in
Algebra 2 Answers
|
661
views
Help me solve substitution problems.
answered
May 25, 2014
in
Pre-Algebra Answers
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396
views
algebra problems
solving equations
what is the answer to(7)(a+b+2)
answered
May 25, 2014
in
Pre-Algebra Answers
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334
views
how do you write a number greater than one as a mixed number
answered
May 25, 2014
in
Word Problem Answers
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622
views
mixed numbers to improper fractions
2 1/6 x1 3/5 divided by 4/11 + 1/3 as a mixed number or a fraction
answered
May 25, 2014
in
Least Common Denominator
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1.3k
views
gaviiestrada@gmail.com
mixed numbers to improper fractions
subtracting mixed fractions 7 7/10 - 2 6/12
answered
May 25, 2014
in
Least Common Denominator
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1.2k
views
fraction problems
mixed numbers to improper fractions
6 1/3 + 4 ¾ + 3 7/12 =
answered
May 25, 2014
in
Word Problem Answers
|
3.1k
views
fraction problems
12 1/4 - 4 6/8=
answered
May 25, 2014
in
Word Problem Answers
|
425
views
fraction problems
12 1/4 - 4 6/8=
answered
May 25, 2014
in
Word Problem Answers
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356
views
fraction problems
what is 8/12+4/8
answered
May 25, 2014
in
Other Math Topics
|
379
views
fraction problems
8/12+4/8=2
answered
May 25, 2014
in
Other Math Topics
|
389
views
fraction problems
What is 12-2×6+2÷2?
answered
May 25, 2014
in
Other Math Topics
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452
views
algebra problems
how to solve equations 1/2x-3/4y=1/2 and 1/5x-3/10y=1/5 by substitution method
answered
May 25, 2014
in
Algebra 2 Answers
|
1.7k
views
solving systems of equations by substitution
y=5x+1 and 2y-6x=10 solve the system of equations by the substitution method
answered
May 25, 2014
in
Pre-Algebra Answers
|
1.4k
views
solving systems of equations by substitution
Solve a system of linear equations in two variable by substitution
answered
May 25, 2014
in
Algebra 1 Answers
|
1.6k
views
solving systems of equations by substitution
use method of sunstitution to solve the system of linear equations. 5a = 6 - b, 5a = 7 - b
answered
May 25, 2014
in
Algebra 1 Answers
|
507
views
solving systems of equations by substitution
use the method of substitution of they system to solve the linear equation 5a=2-b 5a=6-b
answered
May 25, 2014
in
Algebra 1 Answers
|
499
views
solving systems of equations by substitution
Use the method of substitution to solve the system of linear equations. 2x-4=6. 5x-2=16
answered
May 25, 2014
in
Algebra 1 Answers
|
1.6k
views
solving systems of equations by substitution
solve this system of equations using substitution.8x-y=4 and 5x+3y=17
answered
May 25, 2014
in
Algebra 2 Answers
|
831
views
solving systems of equations by substitution
How do i solve the linear equation 2x-3y+17=0 y=-5x using the substitution method?
answered
May 25, 2014
in
Other Math Topics
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1.3k
views
solving systems of equations by substitution
solving equations using substitution
Weight of an astronaut in motion and not
answered
May 25, 2014
in
Word Problem Answers
|
518
views
word problems
vertical motion formula
answered
May 25, 2014
in
Algebra 1 Answers
|
1.1k
views
vertical motion formula
answered
May 25, 2014
in
Algebra 1 Answers
|
2.0k
views
find the value of 0.34 times9
answered
May 25, 2014
in
order of operations
|
628
views
dividing decimals
what is the value of 7.932e-007
answered
May 25, 2014
in
Calculus Answers
|
410
views
dividing decimals
smallest 7 digits number use with 0,1,2,3,5
answered
May 25, 2014
in
Calculus Answers
|
498
views
dividing decimals
How to find % increase of dollars with correct placement of decimal?
answered
May 25, 2014
in
Word Problem Answers
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436
views
dividing decimals
7/12 as a decimal
answered
May 25, 2014
in
Fraction Problems
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1.3k
views
dividing decimals
I hav 200 coins and I give them to friends so they get at least 1 coin (cont in more info)
answered
May 24, 2014
in
Word Problem Answers
|
560
views
word problems
probability
you toss a coin 30 times and get 12 heads.
answered
May 24, 2014
in
Algebra 1 Answers
|
1.9k
views
probability
If you flip a coin 3 times, what is the probability that exactly 1 of the flips is heads?
answered
May 24, 2014
in
Word Problem Answers
|
1.1k
views
probability
a coin is tossed 4 times. what is the possibility that exactly half the tosses results in heads?
answered
May 24, 2014
in
Word Problem Answers
|
872
views
probability
word problems
What is the observed probability of head and tails when tossing 16 coins
answered
May 24, 2014
in
Word Problem Answers
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750
views
probability
An unbiased coin is tossed four times. The coin lands heads exactly once
answered
May 24, 2014
in
Statistics Answers
|
5.2k
views
probability
solving equations
bias coin heads 39% tails 61% and tossed twice what is the % probaiblity tails
answered
May 24, 2014
in
Statistics Answers
|
1.8k
views
probability
A coin is tossed three times. What is the probability that it will land on tails all three times?
answered
May 24, 2014
in
Algebra 1 Answers
|
1.0k
views
probability
what is the probability of getting no tails on a toss of three fair coins.
answered
May 24, 2014
in
Algebra 1 Answers
|
700
views
probability
What is the probability of getting exactly 3 tails when four coins are tossed?
answered
May 24, 2014
in
Statistics Answers
|
987
views
probability
write the probability for a number of heads when three coins are tossed
answered
May 24, 2014
in
Statistics Answers
|
573
views
probability
probability of tossing three coins
answered
May 24, 2014
in
Word Problem Answers
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587
views
probability
hint: v= 80, s=0, h=96; divide all terms by 16.
answered
May 24, 2014
in
Algebra 1 Answers
|
506
views
vertical motion formula
solve -x-3y+4z=3, 5x-8y+5z=27,5x-2y+6z=1 with matrix
answered
May 24, 2014
in
Algebra 2 Answers
|
729
views
systems of equations containing three variables
4x + 3y = -45.5, -5x + 8y = -43
answered
May 24, 2014
in
Algebra 1 Answers
|
746
views
solving equations
. 4x + 3y = -45.5, -5x + 8y = -43
answered
May 24, 2014
in
Algebra 1 Answers
|
638
views
solving equations
4x+3y=-45.5 and =5x+8y=-43 use elimination method
answered
May 24, 2014
in
Algebra 2 Answers
|
561
views
solving systems of equations by elimination
use elimination method to find 0.3x-0.2y=4 amd 0.2+0.3y=5/23
answered
May 24, 2014
in
Algebra 1 Answers
|
1.0k
views
elimination method
algebra problems
solving systems of equations by elimination
How to solve this with the elimination method
answered
May 24, 2014
in
Algebra 2 Answers
|
766
views
solving systems of equations by elimination
elimination method
algebra problems
solve by elimination 1/5x + 3/10y=7/50 2/5x+1/2=1/5
answered
May 24, 2014
in
Trigonometry Answers
|
703
views
elimination method
solving systems of equations by elimination
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