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Recent activity 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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2
answers
why in every graph the sum of the degrees of all the vertices equals twice the number of edges?
commented
Apr 20, 2017
in
Geometry Answers
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1.6k
views
geometric shapes
1
answer
When will she have both activities again on the same day?
commented
Apr 20, 2017
in
Word Problem Answers
|
498
views
solving problems using gcf and lcm.
1
answer
complete the series 48,23,20 ,_, _,_ ?
answer edited
Nov 15, 2015
in
Trigonometry Answers
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642
views
number patterns
1
answer
How many acres is in an area 1452 feet long and 662 feet wide?
answered
Nov 15, 2015
in
Algebra 2 Answers
|
419
views
surface area of a cube
1
answer
whats is the numbers for this missing equation _{_}~{_~_}=45
answered
Nov 15, 2015
in
Algebra 1 Answers
|
778
views
solving equations
number patterns
algebra problems
1
answer
whats is the numbers for this missing equation _{_}~{_~_}=45
answered
Nov 15, 2015
in
Algebra 1 Answers
|
626
views
solving equations
number patterns
algebra problems
1
answer
why is there no solution to 5-3 < 3
answered
Nov 15, 2015
in
Algebra 1 Answers
|
539
views
solving inequalities
1
answer
determine whether 81-49n^2 is a difference of two squares. if so, factor it. If not, explain why?
answered
Nov 15, 2015
in
Algebra 1 Answers
|
1.5k
views
7algebra problems
1
answer
Why there is a difference of 1 rupee.
answered
Nov 15, 2015
in
Other Math Topics
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434
views
1
answer
what is y=4x+3 for x = -1,0,1
answered
Nov 15, 2015
in
Algebra 1 Answers
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1.5k
views
how to find x intercept
1
answer
A person standing on top of a cliff 50m high is in line with two boys whose angles of depression are 18° and 20°. calculate the distance between the two boys.
edited
Aug 13, 2015
in
Trigonometry Answers
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3.9k
views
trigonometry problems
1
answer
What is the area of this figure?
answered
Jun 28, 2015
in
Algebra 2 Answers
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676
views
area of a triangle
geometry
infinite geometric series
1
answer
45+2(x)=? What is a number
answered
Jun 27, 2015
in
Calculus Answers
|
510
views
geometry
geometric shapes
1
answer
how many triangles are in a triangle with 49 small ones
answered
Jun 26, 2015
in
Geometry Answers
|
657
views
geometry problems
solving triangles
1
answer
In triangle ABC;AB=7cm,AC=8cm,angle BAC=48° calculate a.the length BC b.find the size of angle BCA
answered
Jun 25, 2015
in
Trigonometry Answers
|
1.7k
views
trigonomentry triangle problems
1
answer
greatest common factor for 70 & 26
answered
Jun 25, 2015
in
Other Math Topics
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515
views
greatest common factor
1
answer
whats the areaof a rectangle thats 7 2/5 m long 3 7/9 m wide
answered
Oct 17, 2014
in
Pre-Algebra Answers
|
413
views
algebra problems
perimeter of a rectangle
1
answer
the perimeter of a rectangle 4 feet wide by 16 1/2 feet long
answered
Oct 17, 2014
in
Word Problem Answers
|
456
views
perimeter of a rectangle
1
answer
rectangle is 301 long and 179 wide what is its fractional notation for the ratio
answered
Oct 17, 2014
in
Geometry Answers
|
684
views
solving equations
perimeter of a rectangle
1
answer
How does 301 estimate to 280?
answered
Oct 17, 2014
in
Other Math Topics
|
540
views
1
answer
about what is the ratio between circumstance to diameter
answered
Oct 16, 2014
in
Geometry Answers
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553
views
ratio
1
answer
Ratio equivalent to 120:45
answered
Oct 16, 2014
in
Geometry Answers
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536
views
ratio
equivalent
1
answer
What is the ratio of the volumes in two spheres from 2nd to 1st
answered
Oct 16, 2014
in
Geometry Answers
|
530
views
ratio
volumes
spheres
geometry
1
answer
if the numerator is in 0 is it already simplifyed
answered
Oct 16, 2014
in
Other Math Topics
|
356
views
ratio
2
answers
what is the greatest common factor of 30 and 54
answered
Oct 16, 2014
in
Other Math Topics
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1.7k
views
greatest common factor for the numbers 30 and 150
6th grade math
1
answer
divide by 16 and 478
answered
Oct 10, 2014
in
Algebra 1 Answers
|
625
views
long division
1
answer
what is the L of the longest side
answered
Oct 10, 2014
in
Word Problem Answers
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398
views
2
answers
solve for L& W of singles tennis court
answered
Oct 10, 2014
in
Word Problem Answers
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5.0k
views
i need help
1
answer
simplify the expression: 5(2a+1) - 4(a-2)
commented
Oct 10, 2014
in
Algebra 1 Answers
|
435
views
1
answer
400 rounded to the nearest thousand is
commented
Oct 10, 2014
in
Word Problem Answers
|
512
views
rounding numbers
1
answer
width of a rectangle is 5 in. is > 1/4 of its length perimeter of the rectangle is 50 in? find L&W
answered
Oct 10, 2014
in
Algebra 1 Answers
|
620
views
i need help
3
answers
solve x^5-12x^4+54x^3-108x^2+81x=0
answered
Oct 10, 2014
in
Calculus Answers
|
888
views
factoring
1
answer
3 1/2 divided by 15
answered
Oct 10, 2014
in
Algebra 1 Answers
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296
views
algebra problems
2
answers
.2x+.3y+1.1z=1.6, .5x-.2y+.4z=.7, -1.2x+y-.72z=.9
answered
Oct 10, 2014
in
Algebra 2 Answers
|
1.1k
views
systems of equations containing three variables
1
answer
simplify 5^2(n+6)*25^2n-7/125^2n
answered
Oct 10, 2014
in
Pre-Algebra Answers
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1.6k
views
algebra problems
1
answer
Proove that: 1/1+x^m-n +1/1+n-m=1
answered
Oct 10, 2014
in
Pre-Algebra Answers
|
311
views
algebra sums
1
answer
Rewrite the expression 4x^-5 without using a negative exponent.
answered
Oct 10, 2014
in
Other Math Topics
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3.2k
views
3
answers
zero divided by Y equals 3 what does y equal?
answered
Oct 10, 2014
in
Algebra 1 Answers
|
572
views
3rd grade math
1
answer
derivative of ((5x-4) / sqrt (5x^2 - 8x + 4))
answered
Oct 6, 2014
in
Calculus Answers
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922
views
calculus problems
derivative of a function
derivatives
1
answer
the second derivative of [(X^6) + (.5X^1/2)]/(3X^-3)?
answered
Oct 6, 2014
in
Calculus Answers
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531
views
calculus problems
derivative of a function
2
answers
derivative of x^-2 ln(x^2-3x+4)
answered
Oct 6, 2014
in
Calculus Answers
|
950
views
calculus problems
derivative of a function
1
answer
how to slove a system of equations by addition
answered
Oct 6, 2014
in
Statistics Answers
|
957
views
solving systems of equations
addition method
1
answer
solve the following system of linear equations by addition: 2x+2y=26, -3+3y=-21
answered
Oct 6, 2014
in
Algebra 1 Answers
|
1.2k
views
solving systems of equations
addition method
1
answer
solve the system of non-linear equations: 2x^2-3y=2, 4x-6y=1
answered
Oct 6, 2014
in
Calculus Answers
|
705
views
solving systems of equations
1
answer
Solve the system of equations 2x-3y=5 and 4x+y= 3
answered
Oct 6, 2014
in
Algebra 1 Answers
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1.8k
views
solving systems of equations
1
answer
solve the system algebraically 2x^2-4y^2=22 and x^2-3y^2=6
answered
Oct 6, 2014
in
Algebra 2 Answers
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536
views
solving systems of equations
solving systems of equations by elimination
1
answer
2x - 5y = -6 , 8x + 3y = 68 Solve the system of equations and enter the solution as an ordered pair.
answered
Oct 6, 2014
in
Algebra 1 Answers
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2.1k
views
solving equations
1
answer
Solve the system of equations and enter the solution as an ordered pair 4x+ 7y = 47 5x - 4y = -5
answered
Oct 6, 2014
in
Algebra 1 Answers
|
875
views
solving systems of equations
solving systems of equations by elimination
non standard form
1
answer
what is the ordered pair to 4x+7y=47 5x-4y=-5
answered
Oct 6, 2014
in
Algebra 1 Answers
|
854
views
ordered pairs
1
answer
What is the ordered pair for y=5x+1 and 4x+y=10
answered
Oct 6, 2014
in
Algebra 1 Answers
|
1.6k
views
ordered pairs
87,448
questions
99,049
answers
2,422
comments
4,783
users
