alya
Newest questions and responses by alya
Algebra
Kevin, Kyle, and Joe are brothers joe is 4 years younger than kyle and kyle is twice joe's age the sum if their age is 56, how old is each brother
asked on January 13, 2016 
calculus 3
determine the value of the constant α so that f(x,y) is continuous at (1,1) if f(x,y): i)sin(x+y)/(x^(2 )– y^2 (x,y)≠(0,0) ii) α (x,y)=(0,0)
asked on May 2, 2012 
calculus 3
determine the value of the constant α so that f(x,y) is continuous at (1,1) if f(x,y): i)sin(x+y)/(x^(2 )– y^2 (x,y)≠(0,0) ii) α (x,y)=(0,0)
asked on May 1, 2012 
calculus 3
if f(x,y) = e^(x)cosy + e^(y) cosx find (∂^2 f)/(∂x^2 )+ (∂^2 f)/(∂y^2 ) 2(∂^2 f)/∂x∂y
asked on May 1, 2012 
calculus 3
find and sketch the natural domain of f(x,y)= √(x+y^2 )/(x^2+y^2 )
asked on May 1, 2012 
FIZIK
when you increase the current in a wire, what happen?
asked on April 17, 2012 
PROBLEM SOLVING IN MATHEMATICS
the number of students in a school doubles every month. if there are 14000 students in the school, how many students were there in the school four months ago?
asked on October 25, 2011 
PROBLEM SOLVING IN MATHEMATICS
The Andersons are buying a new home. They need to fence the yard because they have a dog. The yard is 72 ft. by 120 ft. Each fencing section is 8 ft. How many sections will they need? How many posts will they need? (a post is needed at the end of each
asked on October 22, 2011 
HELPPROBLEM SOLVING IN MATHEMATICS
a piece of wire of length 136(pai) is cut to form 8 circles. the radius of the circles differ from each other, in sequence, by 1 cm. a) find the radius,r b) find the number of complete circles that can be formed if the original length of the wire is
asked on October 15, 2011 
HELPPROBLEM SOLVING IN MATHEMATICS
probably the most famous approach to problem solving is Polya's fourstep process. Describe the fourstep process.
asked on October 14, 2011 
PROBLEM SOLVING IN MATHEMATICS
what do you need to know to solve this? you have kite ABCD. angle B is at the top of the kite and measures 80 degrees. angles A and C are on the sides and angle D is at the bottom of the kite. what is the largest siza that angle A or C could be?
asked on October 14, 2011 
PROBLEM SOLVING IN MATHEMATICS
the average age of a group of teachers and student is 20. the average age of the teachers is 35. the average age of the students is 15. what is the ratio number of teacher to number of students ?
asked on October 13, 2011 
REPORT HELP ME
I want to know what needs to create a report on the contents of the subject problem solving .. lecture want us to write report every time after class runs out .. report on the subject that we learned during class that day ..so I want know what needs to be
asked on October 8, 2011 
PROBLEM SOLVING IN MATHEMATICS
there are two prime numbers between 100 and 199 such that the ten digits is a prime number, the ones digit is a prime number and the tens and ones digits taken together are a 2 digit prime number. find the sum of these 2 prime number.
asked on October 6, 2011 
PROBLEM SOLVING IN MATHEMATICS
you have 13 bags of gold wins. out of 13 bags gold coins, there is one bag gold coins lighter. assume that one real gold coins is 10g and the fake is 9g. now, you are given a electronic beam balance. find the most minimum ways to figure out which bag of
asked on October 1, 2011 
PROBLEM SOLVING IN MATHEMATICS
you have 13 bags of gold wins. out of 13 bags gold coins, there is one bag gold coins lighter. assume that one real gold coins is 10g and the fake is 9g. now, you are given a electronic beam balance. find the most minimum ways to figure out which bag of
asked on September 30, 2011 
PROBLEM SOLVING IN MATHEMATICS
you have 6 iron balls. 5 iron balls have equal weight and 1 iron ball is slightly lighter than the other 5 iron balls. you are given a libra. find ways (most minimum) to find out the light.
asked on September 28, 2011 
physics  i need A.S.A.P
A truck traveling at a constant speed of 30.6 m/s passes by a police car which is at rest. The police officer catches up to the truck in 700 m, maintaining a constant acceleration. i)Calculate how long it took the police's car to overtake the truck speeder
asked on May 2, 2011 
fizik
Two shuffleboard disks of equal mass, one orange and the other yellow are involved in a perfectly elastic glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving initially to the right at 7.00 ms"1. After the
asked on April 11, 2011 
fizik
Two shuffleboard disks of equal mass, one orange and the other yellow are involved in a perfectly elastic glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving initially to the right at 7.00 ms"1. After the
asked on April 11, 2011 
fizik
A 2kg ball,A moves to the right with velocity 4 m/s collides with another 1kg ball,B moving in the opposite way with velocity 0.5m/s. after the collision, both ball move at 30 degree and 15 degree from horizontal. calculate the final velocity of each ball
asked on April 6, 2011 
statistic
what should i know in topic hypothesis testing?
asked on March 14, 2011 
sociologyHELP
can i know the example of topic that related in education that can influence society????
asked on February 28, 2011 
english
can i know how to paraphrase : 1) fresh and dried cherries are one of the only natural food sources of melatonin, the chemical that controls the body`s internal clock to regulate sleep. researches who tested tart cherries and found high levels of melatonin
asked on February 26, 2011 
sociology
what is digital device
asked on February 26, 2011 
sociology
what is " distraction hypothesis" ?
asked on February 26, 2011 
physics
can i know what the important thing that i should know in chapter force?
asked on February 22, 2011 
fizik
1. A sports car travelling east at 48.0 m/s passes a trooper hiding at the roadside. The driver uniformly reduces his speed to 22 m/s in 4.10 s a) Find the magnitude and direction of the car’s acceleration as it slows down b) Calculate the distance
asked on February 20, 2011 
fizik
1. A sports car travelling east at 48.0 m/s passes a trooper hiding at the roadside. The driver uniformly reduces his speed to 22 m/s in 4.10 s a) Find the magnitude and direction of the car’s acceleration as it slows down b) Calculate the distance
asked on February 20, 2011 
fizik
i really need the answer quickly 1. Linda travels by car around one city to another with different constant speeds between pairs of cities. She travels for 35 min at 84 km/h, 17 min at 105 km/h and 50 min at 42 km/h and spends 25.0 min eating lunch and
asked on February 19, 2011

Math Probability
Yolo is correct
posted on May 25, 2018 
math :D
d c c b b 100%
posted on April 16, 2018 
please check(Social studies)
Triston, I suggest you start studying correct grammar.
posted on April 11, 2018 
10th grade math
the sum of 5 and a number x
posted on January 23, 2018 
calculus 3
∂^f/∂x∂y = ∂^2f/∂y∂x = e^(x)siny + e^(y)sinx if i'm not mistaken...exist e^(x)siny is positive ( e^(x)siny ) not negative... coz y difftation siny and difftation x is 1.. so ()() is positive...
posted on May 2, 2012 
calculus 3
∂^f/∂x∂y = ∂^2f/∂y∂x = e^(x)siny + e^(y)sinx > how we get this??
posted on May 1, 2012 
physics
The wavelength will change
posted on December 7, 2011 
HELPPROBLEM SOLVING IN MATHEMATICS
yup.. pi.. so i want to know how to solve it
posted on October 15, 2011 
HELPPROBLEM SOLVING IN MATHEMATICS
3.142
posted on October 15, 2011 
fizik
ball A move 30 degree from horizontal while ball B move 15 degree from horizontal.
posted on April 6, 2011 
english
it`s okay i paraphrase? 1) the regular food resource of melatonin only a new and dried cherries. the biochemical that controls the body`s internal clock to control a nap. researches analysis tart cherries and found high levels of melatonin recommend eating
posted on February 27, 2011 
fizik
can i know how to get Vaverage?
posted on February 20, 2011