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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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what is 13.20 for 6
answered
May 19, 2014
in
Pre-Algebra Answers
|
315
views
algebra problems
understanding rates and unit rates
how do i solve this? 4√(x) over x+2√(y)
answered
May 19, 2014
in
Algebra 2 Answers
|
387
views
rationalize the denominator
algebra problems
how do i divide and find the defined of: 4x^2+15x+9/8x^2+10x+3÷x^2+4x/2x+1
answered
May 19, 2014
in
Algebra 2 Answers
|
546
views
algebra problems
how do i divide and find the defined of: x+2/x-4÷ 1/3x-12
answered
May 19, 2014
in
Algebra 2 Answers
|
382
views
algebra problems
solve the three linear equations by the addition method x+3y+z=6, 3x+y-z=-2, 2x+2y-z=1?
answered
May 19, 2014
in
Algebra 1 Answers
|
659
views
addition method
solve using addition method 1.6x+1.5y=1.8 and 0.4x+0.3y=0.6
answered
May 19, 2014
in
Algebra 1 Answers
|
589
views
addition method
3x-4y=17 is (7,1) Is there another solution that has the same x coordinate or y coordinate?
answered
May 19, 2014
in
Algebra 2 Answers
|
359
views
graphing and linear equations
algebra problems
Which of the following points satisfies the inequality 2x - 3y < 1
answered
May 18, 2014
in
Algebra 1 Answers
|
2.0k
views
compound inequallities
find the number of positive integers which satisfies the inequality
answered
May 18, 2014
in
Other Math Topics
|
463
views
solving equations
BET you cant answer this! ~~~HELP~~~
answered
May 18, 2014
in
Algebra 2 Answers
|
424
views
algebra problems
impossible2solve
solving equations
BET YOU CANT ANSWER THIS!!! HELP ME CAUSE I CANT
answered
May 18, 2014
in
Algebra 1 Answers
|
408
views
algebra problems
solving equations
impossible2solve
what percent of 137.7 is 1436?
answered
May 18, 2014
in
Word Problem Answers
|
365
views
percent calculations
the probability that a person picked at random has a birthday in january is 1/12
answered
May 18, 2014
in
Statistics Answers
|
702
views
probability
What ae the least probable 12 numbers between 1 and 24 in a random drawing?
answered
May 18, 2014
in
Other Math Topics
|
356
views
probability
I need to know how to write out a problem for probability
answered
May 18, 2014
in
Word Problem Answers
|
484
views
probability
word problem
if the lottery pays out 5/8 of the total revenue to 14 people what fraction does each one get
answered
May 18, 2014
in
Algebra 2 Answers
|
510
views
word problem
probability
algebra
what is the probability of winning a church lottery if you need to get 3 numbers from 3o
answered
May 18, 2014
in
Statistics Answers
|
491
views
probability
what is the probability of winning the lottery if choosing 6 numbers from 1 to 30?
answered
May 18, 2014
in
Word Problem Answers
|
1.1k
views
probability
what is the probability of winning 6 numbers out of 40 ?
answered
May 18, 2014
in
Algebra 1 Answers
|
1.7k
views
probability
6 winning number out of 49
answered
May 18, 2014
in
Statistics Answers
|
615
views
probability
calculating percentages
Odds for winning once by betting 6 numbers out of 100 numbers 16 times
answered
May 18, 2014
in
Algebra 2 Answers
|
539
views
probability
calculating percentages
if P(A)=6/9 then the odds against the event is 3/6? solve
answered
May 18, 2014
in
Other Math Topics
|
1.6k
views
probability
a tank holds 15,000,000,000,000,000,000,000 gallons. How long will it take to fill the tank?
answered
May 18, 2014
in
Word Problem Answers
|
564
views
algebra problems
How long will it take to fill the tank if both pipes are working?
answered
May 17, 2014
in
Algebra 2 Answers
|
450
views
word problems
How many minutes will it take to completely fill a water tank with a capacity of 3750 litres if
answered
May 17, 2014
in
Pre-Algebra Answers
|
868
views
aptitude
Find to the nearest minute, the number of minutes it will take to fill the reservoir.
answered
May 17, 2014
in
Geometry Answers
|
484
views
word problems
how much sand would it take to back fill a 18x10x40" area?
answered
May 17, 2014
in
Statistics Answers
|
409
views
word problems
solving equations
What is the probability of the event that you roll a total of two or twelve on the two dice?
answered
May 15, 2014
in
Algebra 2 Answers
|
1.0k
views
algebra problems
statistics problems
probability of an event
What is the probability of rolling a sum of 11 or 7 on a pair of number cubes?
answered
May 15, 2014
in
Algebra 2 Answers
|
918
views
probability of an event
probability
statistics problems
a number cube is rolled three times what is the probability of rolling six all three times
answered
May 15, 2014
in
Pre-Algebra Answers
|
528
views
algebra problems
What is the P(1,4,8) when a fair number cube is rolled?
answered
May 15, 2014
in
Other Math Topics
|
406
views
P(drawing a red card)
answered
May 15, 2014
in
Word Problem Answers
|
346
views
find the solution of 3/7 + (16/11) + (-8/21) + (5/22)
answered
May 15, 2014
in
Other Math Topics
|
1.4k
views
Alegbra Find the value of n
answered
May 15, 2014
in
Algebra 1 Answers
|
381
views
how much is 1/3
answered
May 15, 2014
in
Word Problem Answers
|
934
views
calculating percentages
2+6+10+14+18+22+26+30+34+38=200. (show no need total 5 of these to make 100
answered
May 15, 2014
in
Calculus Answers
|
854
views
math problem
what is ( +6)÷2-14=34 and (square)-(7×5)+6=21 backtracked.
answered
May 15, 2014
in
Pre-Algebra Answers
|
418
views
math problem
backtracking
14=-(p-8) p=?
answered
May 15, 2014
in
Algebra 1 Answers
|
2.3k
views
math problem
LCM for 11, 33 and 75
answered
May 13, 2014
in
least common multiple
|
738
views
algebra problems
lcm of 75 and 90
answered
May 13, 2014
in
Algebra 1 Answers
|
702
views
75
90
Find the perimeter of a 30°-60°-90° triangle with a hypotenuse of 18
answered
May 13, 2014
in
Geometry Answers
|
1.7k
views
90
1/6(3/4x-2)=-1/5
answered
May 13, 2014
in
Least Common Denominator
|
529
views
lcm
Write out the solution to the equation : x + y - z = 0, 2x + 4y - z = 0 and 3x + 2y + 2z = 0
answered
May 13, 2014
in
Algebra 1 Answers
|
1.4k
views
systems of equations containing three variables
What is the probability of rolling 1 through 6 with a six sided dice?
answered
May 13, 2014
in
Other Math Topics
|
826
views
dice
f(x)=2x^3+1
answered
May 13, 2014
in
Algebra 2 Answers
|
450
views
inverse
16*4/32-11+10
answered
May 13, 2014
in
Other Math Topics
|
394
views
solving equations
(-a-2b+3)7ab =
answered
May 13, 2014
in
Algebra 1 Answers
|
436
views
algebra problems
Can you help me with some homework? I'm clueless...
answered
May 13, 2014
in
Trigonometry Answers
|
446
views
algebra problems
im in 5th grade math , can you give me a do0wnlaod of tnhe homework book?
answered
May 13, 2014
in
Geometry Answers
|
584
views
5th grade math
geometry problems
solving line plot
test 5th grade
answered
May 13, 2014
in
Word Problem Answers
|
873
views
word problems
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