ayan
Most popular questions and responses by ayan
social studies
what kinds of problems did stone age peoples face
asked on September 5, 2013 
Math
You need to buy some filing cabinets. You know that Cabinet X costs $10 per unit, and requires six square feet of floor space. Cabinet Y costs $20 per unit, and requires eight square feet of floor space. You have been given $140 for this purchase, though
asked on November 30, 2017 
history
In What ways did Neolitic People Dramatically improve their lives? Please check my answer.. the change over from hunting and gathering to farming and herding took place not once but many times. Neolithic people in many parts of the world independently
asked on September 6, 2013 
history
what conclusions can draw about early humans from the information presented in map
asked on September 5, 2013 
physics
A pair of fuzzy dice are hanging by a string in my car from the rearview mirror. I hit the gas pedal, and while I accelerate the fuzzy dice no longer hang straight down, but instead make an angle θ of 15 degrees with respect to the vertical. How fast am
asked on May 3, 2013 
physics
Consider a fivepointed star made of resistors as shown below. Each resistor has resistance R=6 Ω. Find the equivalent resistance in Ohms between the points A and B.
asked on April 27, 2013 
history
in what ways did Neolithic people dramatically improve their lives
asked on September 6, 2013 
math
A bake sale sells cupcakes and cookies. One day they sell: up to 50 cupcakes up to 60 cookies no more than a total of 90 cupcakes and cookies. Let x be the number of cupcakes sold. Let y be the number of cookies sold. a. Show the region that satisfies
asked on November 30, 2017 
social
what do the migration routes of homo sapiens reveal about their survival skills and ability to adapt
asked on September 6, 2013 
Math
A football stadium holds a maximum of 1000 fans. Adult tickets cost $5 each and child tickets cost $2 each. The football club needs to raise at least $3000 to cover costs. The football club aims to sell at least one child ticket for two adult tickets sold
asked on November 30, 2017 
Math
Can you also help me with another one, it has a cone on top of a cylinder The cones slant height is 6in The cones length(radius) is 4 in The cones height is not known The cylinders height is 7 in The cylinders length(radius) is also 4 in The radius is half
asked on January 26, 2016 
Physics
the heating element of a coffee maker operates at 120 V and carries a current of 2 A. Assuming that the water absorbs all of the energy converted by the resistor, calculate how long it takes to heat .500 kg of water from room temperature 23 degrees C to
asked on February 7, 2011 
Maths
An air craft executes horizental loop at a speed of 720km/hr with its wings banked 30degree what is the radius of loop
asked on September 23, 2018 
history
what conclusions can you draw about humans from the information in early human migration 1,60010,000 map
asked on September 5, 2013 
math
The point (x,y) lies on both conics x2+xy+x=81 and y2+xy+y=51. Given that x+y is positive, determine the value of x+y.
asked on April 17, 2013 
scienc
I'm driving my car of mass 1000 kg at 100 km/hr when I accidentally hit the rear end of a truck of mass 5000 kg traveling in the same direction at 90 km/hr. My car and the truck lock together and move as a single object. Let F1 be the force the truck
asked on March 18, 2013 
math
How many positive integers, a, are there such that 2027 divided by a leaves a remainder of 7?
asked on March 15, 2013 
physics
Gymnasts can do all sorts of ridiculous tricks on various equipment. In the rings event, the gymnast is supported by two rings attached by cords to the ceiling (see a picture here). If a gymnast weighs 75 kg and is motionless on the rings, what is the
asked on March 10, 2013 
college physics
If a is acceleration, v is velocity, x is position, and t is time, then check the validity (wrong or correct) of the following equations using dimensional analysis: a) t2 = 2x/a b) t = x/v c) a = v/x d) v = a/t ALSO , The term 1/2 PV^2 rv2 occurs in
asked on October 2, 2010 
math
r+1 is less than or equal to 0. What is r?
asked on October 18, 2007 
Math
A regional flight has first class passengers and of economy passengers. x = number of economy passengers and y = number of first class passengers The plane has at least 20 economy passengers The plane has at least 10 first class passengers The plane has 2
asked on November 30, 2017 
Math
A grocer sells bananas and apples. In one day he sells up to 80 bananas up to 90 apples no more than a total of 110 pieces of fruit Let x be the number of bananas sold Let y be the number of apples sold. a. Show the region below that satisfies these
asked on November 30, 2017 
physics
Consider a fivepointed star made of resistors as shown below. Each resistor has resistance R=6 Ω. Find the equivalent resistance in Ohms between the points A and B.
asked on April 27, 2013 
algebra
How many distinct prime factors does 100100 have?
asked on March 15, 2013 
math
The swimming pool that Calvin goes to has dimensions 20 meters long, 8 meters wide and 3 meters deep. What is the volume of water (in m3) that the swimming pool contains?
asked on March 13, 2013 
math
How many distinct prime factors does 100100 have?
asked on March 12, 2013 
English
What would the bel proclaim?
asked on January 20, 2019 
history
why do you think the development of agriculture ocurred around the same time in different parts
asked on September 6, 2013 
social
what environmental factors may have influenced migration routes
asked on September 5, 2013 
math
Calvin and Ken bought a bag of 60 onions. They divide all of these onions between them, such that the number of onions that Ken has is a multiple of the number of onions that Calvin has. Given that Calvin has at least 7 onions, what is the maximum number
asked on July 25, 2013 
math
Sue is in an airplane which travels at a constant 300 kilometers per hour. The angle of climb of the airplane is 30 ∘. How long (in seconds) would it take from takeoff, before the airplane reaches 3000 meters, when Sue can access Wifi and work on the
asked on July 25, 2013 
math
Three roots of f(x)=x4−2x3+ax2+bx+c are −5, −3 and 4. What is the value of a+b+c?
asked on April 29, 2013 
math
Calvin was at his local grocery store, and saw that they had gummy worms for sale. To satisfy his foreseeable sugar craving, he bought 72 bags of gummy worms. Upon exiting the store, he noticed the the ink on the receipt was smudged, and he could see the
asked on April 29, 2013 
math
If the ratio of x+y to x−y is 114, then the ratio of y to x can be written as ab where a and b are coprime positive integers. Find a+b.
asked on April 29, 2013 
math
How many pairs of integers (x,y) satisfy the conditions y=3x−1, 6x−2y=2 and 0≤x≤25?
asked on April 29, 2013 
m
x and y are real numbers that satisfy the equations x2+y2=125 and x+y=13. What is the sum of all (distinct) possible values of x?
asked on April 24, 2013 
math
x and y are real numbers that satisfy the equations x2+y2=125 and x+y=13. What is the sum of all (distinct) possible values of x?
asked on April 24, 2013 
math
Able starts off counting at 13, and counts by 7. What is the 11th number that Able will say?
asked on April 5, 2013 
physics
The caber toss is a traditional Scottish sport that involves hurling a caber, which is essentially a large piece of a tree: a caber is a 6 m long, 80 kg tree trunk. Large strong people hurl these and the goal is to get the caber to land as far away as
asked on March 29, 2013 
Math
math forms for construction are made of cement like the one shown. this one has a hollow cylindrical center. what is the total volume of the form? use 3.14 as an approximation for pi. round answer to nearest tenth. Diameter for cylinder is 0.5 ft Width for
asked on January 26, 2016 
physics
a foot ball is thrown upward with an angle of 30 degree with respect to the horizantal .to throw a 40meter pass what must be the intial speed of the ball?
asked on October 17, 2014 
history
what environmental factors have influenced migration routes
asked on September 5, 2013 
social, history
to what continents did homo sapiens migrate from asia
asked on September 5, 2013 
algebra
If the expression (x2+2x−1)8 is completely expanded, what is the sum of the coefficients of the terms with even powers of x?
asked on April 29, 2013 
math
The roots of the polynomial f(x)=2x3+20x2+201x+2013 are α,β and γ. What is the value of −(α+1)(β+1)(γ+1)?
asked on April 29, 2013 
math
How many integers x satisfy the condition that both 2x and 3x are perfect squares?
asked on April 29, 2013 
math
Calvin was at his local grocery store, and saw that they had gummy worms for sale. To satisfy his foreseeable sugar craving, he bought 72 bags of gummy worms. Upon exiting the store, he noticed the the ink on the receipt was smudged, and he could see the
asked on April 29, 2013 
math
Find the sum of all integers m that are less than 1000 and equal to n!+1−−−−−√ for some positive integer n.
asked on April 29, 2013 
physics
Climbing to the top of Mount Everest is hard. But, it's slightly easier than you might think as people weigh less as they climb to the top. Let WE be a person's weight on top of Mount Everest and WS be their weight at sea level. What is the value of
asked on April 27, 2013 
math
a,b and c are positive integers such that the simultaneous equations (a−2b)x=1, (b−2c)x=1 and x+25=c have a positive solution for x. What is the minimum value of a?
asked on April 24, 2013 
math
The four values x, y, x−y and x+y are all positive prime integers. What is the sum of all the four integers?
asked on April 24, 2013 
math
a and b are consecutive, positive integers such that a2−b2>22. What is the minimum possible value of a+b?
asked on April 24, 2013 
math
What is the real part of (2+i)(6−i)?
asked on April 24, 2013 
math
The point (x,y) lies on both conics x2+xy+x=81 and y2+xy+y=51. Given that x+y is positive, determine the value of x+y.
asked on April 17, 2013 
math
Let A,B and C be matrices such that A=⎛⎝132213⎞⎠, B=(122423) and C=AB. What is the sum of all the elements (entries) of matrix C?
asked on April 16, 2013 
math
What is the sum of all of the positive divisors of 100?
asked on April 16, 2013 
math
The point (x,y) lies on both conics x2+xy+x=81 and y2+xy+y=51. Given that x+y is positive, determine the value of x+y.
asked on April 16, 2013 
math
How many ordered pairs of integers (x,y) are there such that 2x2−2xy+y2=225?
asked on April 16, 2013 
math
The function f(x)=x4−15x3+81x2−201x+182 has four complex roots, one of which is 3−2i. What is the sum of all real and imaginary coefficients of these roots?
asked on April 16, 2013 
math
Suppose z=a+bi, where a and b are integers and i is the imaginary unit. We are given that 1+iz=1−iz and z−(13+15i)
asked on April 5, 2013 
math
Let f(x)=2x2+40x+25. Given that f(x) leaves the same remainder when divided by x−a as when divided by x+2a for a positive integer a, what is the value of a?
asked on April 5, 2013 
math
What is the largest possible integer that can be chosen as one of five distinct positive integers whose average is 10?
asked on April 5, 2013 
math
Find a positive integer N, such that when N is added to 98, it gives the same result as N multiplied to 98.
asked on April 5, 2013 
math
The three terms x+12, 3x+5 and 2x+25 are the first three terms of an arithmetic progression. What is the value of x?
asked on April 5, 2013 
math
n is a digit such that the 5digit number n878n is divisible by 9. What is the value of n?
asked on April 5, 2013 
physics
Airplanes are noisy things. For example, if you stand really close to a runway, a military jet can produce a sound intensity of about 100 W/m2 at a distance of 30 m from the plane (this is beyond painful noise). You live near a military airport and want to
asked on March 29, 2013 
math
Let 3a be the highest power of 3 that divides 1000!. What is a?
asked on March 21, 2013 
math
x is a positive number such that x2+9x−22=0. What is the sum of all possible values of y which satisfy the equation x=y2−13y+24?
asked on March 21, 2013 
math
What is the imaginary part of −169−−−−√?
asked on March 21, 2013 
science
The sun goes around the center of our galaxy once every 250 million years. The sun is also 2.55×1020 m from the center of our galaxy. What is the acceleration of our sun towards the center of the galaxy in m/s2?
asked on March 18, 2013 
science
Sally sells seashells by the seashore. In the morning, her sack of shells weighed 70 N. She sold seventy shells and in the evening her sack weighed 7 N. What was the average mass in kg of the shells she sold?
asked on March 18, 2013 
physics
The combination of the force of gravity and my hand provide a net force of 40 N on a ball straight up. The ball accelerates at 100 m/s2 while it is in my hand. What is the mass of the ball in kg?
asked on March 18, 2013 
math
What is the value of 232?
asked on March 15, 2013 
math
What is the sum of all the possible values of a for which 25x2+(a−15)x+9 has exactly one distinct real root?
asked on March 15, 2013 
math
The probability that it will take 5 or more flips of a fair coin before it lands on heads can be written as ab, where a and b are coprime positive integers. Find a+b.
asked on March 15, 2013 
math
Alan and Bob are playing with numbers. Starting with the number n=1 they take turns performing arithmetic manipulations with n. Alan goes first and always multiplies n by 3. Bob adds 1 or 2 to the number n, depending on a coin toss. A number is called
asked on March 8, 2013

chemistry
Sorry that wasn't volume of solute, the question is asking of the water required and so answer is 24ml.
posted on May 28, 2019 
Math
actually i have been trying for an hour but i cant solve them so dont judge to quickly
posted on November 30, 2017 
WORD PROBLEMS
5x+4=9
posted on March 24, 2016 
Math
Can you also help me with another one, it has a cone on top of a cylinder The cones slant height is 6in The cones length(radius) is 4 in The cones height is not known The cylinders height is 7 in The cylinders length(radius) is also 4 in The radius is half
posted on January 26, 2016 
Math
For the answer of the cylinder I got V=2.0724 ft Then added them together 2.0724+1.98= 4.054ft Is that the right answer
posted on January 26, 2016 
Math
Where should I use pi in here, I don't get it can u please show me how to do it
posted on January 26, 2016 
Math
How would u find the area of base for the cylinder, how would u find the volume of cylinder Diameter is 0.5 ???
posted on January 26, 2016 
Math
No the front side has the diagonal side and it is 2 ft and thank u
posted on January 26, 2016 
English check please I've corrected it again
Enigma
posted on February 26, 2015 
please check
Adamant
posted on February 12, 2015 
5 th grade math
The answer is D.
posted on February 2, 2014 
Math
She's right because you minus 7/7  5/7 =2/7
posted on January 7, 2014 
history
Please check my answer.. the change over from hunting and gathering to farming and herding took place not once but many times. Neolithic people in many parts of the world independently developed agriculture
posted on September 6, 2013 
social
yes , all environment factors
posted on September 5, 2013 
social, history
what is the approximate distance homo traveled as they migrated from Ubeidiya ,Israel,to lantian,china
posted on September 5, 2013 
math
23
posted on April 29, 2013 
Literature
In "A White Heron," how does Sarah Jewett portray Sylvia's attitude about money? A. Sylvia hopes the hunter will give her some money no matter what she does. B. Sylvia struggles between protecting the heron and gaining the money. C. Sylvia doesn't really
posted on October 3, 2010 
8th grade Social Studies
i hate skool!
posted on September 10, 2008