# ayan

Most popular questions and responses by ayan
1. ## social studies

what kinds of problems did stone age peoples face

2. ## 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

3. ## 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

4. ## history

what conclusions can draw about early humans from the information presented in map

5. ## physics

A pair of fuzzy dice are hanging by a string in my car from the rear-view 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

6. ## physics

Consider a five-pointed 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.

7. ## history

in what ways did Neolithic people dramatically improve their lives

8. ## 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

9. ## social

what do the migration routes of homo sapiens reveal about their survival skills and ability to adapt

10. ## 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

11. ## 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

12. ## 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

13. ## Maths

An air craft executes horizental loop at a speed of 720km/hr with its wings banked 30degree what is the radius of loop

14. ## history

what conclusions can you draw about humans from the information in early human migration 1,600-10,000 map

15. ## 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.

16. ## 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

17. ## math

How many positive integers, a, are there such that 2027 divided by a leaves a remainder of 7?

18. ## 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

19. ## 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

20. ## math

r+1 is less than or equal to 0. What is r?

21. ## 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

22. ## 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

23. ## physics

Consider a five-pointed 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.

24. ## algebra

How many distinct prime factors does 100100 have?

25. ## 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?

26. ## math

How many distinct prime factors does 100100 have?

27. ## English

What would the bel proclaim?

28. ## history

why do you think the development of agriculture ocurred around the same time in different parts

29. ## social

what environmental factors may have influenced migration routes

30. ## 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

31. ## 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

32. ## math

Three roots of f(x)=x4−2x3+ax2+bx+c are −5, −3 and 4. What is the value of a+b+c?

33. ## 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

34. ## 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.

35. ## math

How many pairs of integers (x,y) satisfy the conditions y=3x−1, 6x−2y=2 and 0≤x≤25?

36. ## 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?

37. ## 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?

38. ## math

Able starts off counting at 13, and counts by 7. What is the 11th number that Able will say?

39. ## 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

40. ## 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

41. ## 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?

42. ## history

what environmental factors have influenced migration routes

43. ## social, history

to what continents did homo sapiens migrate from asia

44. ## 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?

45. ## 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)?

46. ## math

How many integers x satisfy the condition that both 2x and 3x are perfect squares?

47. ## 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

48. ## math

Find the sum of all integers m that are less than 1000 and equal to n!+1−−−−−√ for some positive integer n.

49. ## 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

50. ## 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?

51. ## 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?

52. ## math

a and b are consecutive, positive integers such that a2−b2>22. What is the minimum possible value of a+b?

53. ## math

What is the real part of (2+i)(6−i)?

54. ## 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.

55. ## 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?

56. ## math

What is the sum of all of the positive divisors of 100?

57. ## 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.

58. ## math

How many ordered pairs of integers (x,y) are there such that 2x2−2xy+y2=225?

59. ## 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?

60. ## 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)|

61. ## 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?

62. ## math

What is the largest possible integer that can be chosen as one of five distinct positive integers whose average is 10?

63. ## math

Find a positive integer N, such that when N is added to 98, it gives the same result as N multiplied to 98.

64. ## 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?

65. ## math

n is a digit such that the 5-digit number n878n is divisible by 9. What is the value of n?

66. ## 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

67. ## math

Let 3a be the highest power of 3 that divides 1000!. What is a?

68. ## 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?

69. ## math

What is the imaginary part of −169−−−−√?

70. ## 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?

71. ## 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?

72. ## 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?

73. ## math

What is the value of 232?

74. ## 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?

75. ## 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.

76. ## 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

1. ## 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
2. ## Math

actually i have been trying for an hour but i cant solve them so dont judge to quickly

posted on November 30, 2017
3. ## WORD PROBLEMS

5x+4=9

posted on March 24, 2016
4. ## 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
5. ## 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
6. ## 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
7. ## 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
8. ## Math

No the front side has the diagonal side and it is 2 ft and thank u

posted on January 26, 2016
9. ## English check please I've corrected it again

Enigma

posted on February 26, 2015

posted on February 12, 2015
11. ## 5 th grade math

posted on February 2, 2014
12. ## Math

She's right because you minus 7/7 - 5/7 =2/7

posted on January 7, 2014
13. ## 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
14. ## social

yes , all environment factors

posted on September 5, 2013
15. ## social, history

what is the approximate distance homo traveled as they migrated from Ubeidiya ,Israel,to lantian,china

posted on September 5, 2013
16. ## math

23

posted on April 29, 2013
17. ## 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
18. ## 8th grade Social Studies

i hate skool!

posted on September 10, 2008