HASSAN

Most popular questions and responses by HASSAN
1. physics

A length of wire carrying a current i and bent into a circular coil of one turn.The same length of wire has been out to give a coil of 5 turns, each of 1\5 the original radius.If Ba and Bb are the magnitudes of the magnetic fields at the centers of the two

asked on June 16, 2011
2. calculus

hey can someone help me with these i need help Consider the curve given by x2 + sin(xy) + 3y2 = C, where C is a constant. The point (1, 1) lies on this curve. Use the tangent line approximation to approximate the y-coordinate when x = 1.01. Question 19

asked on December 17, 2016
3. geometry

in the diagram of collinear points, GK = 24, HJ = 10, and GH=HI=IJ. Find each length.

asked on August 31, 2011
4. maths

thomas made 318 curry puffs. he sold 2/3 of them.how many curry puffs were left?

asked on July 12, 2019
5. Physics

A tension of 6000 newtons is experienced by the elevator cable of an elevator moving upward with an acceleration of 2m/s^2. what is the mass of the elevator

asked on August 13, 2018
6. Chemistry

sample of alumium has a mass 6.3g.calculate the number of mole of alumium present and the number of atom of alumium in the sample(AL=27

asked on January 16, 2016
7. Math

In how many ways can a person choose 3 movies to see in a theater playing 11

asked on October 7, 2009
8. probabilities

A multiple choice test has 16 questions. Each question has 4 possible answers with only one is correct. Assume that all questions are answered and the probability to answer any question correctly is 0.25. Let X be the number of questions answered correctly

asked on April 26, 2016
9. calculus

can you guys help me with these questions Which of the following could be the units for dy/dx if y is the surface area of a tumor and x is the radius of the tumor? square millimeters per millimeter millimeters per centimeter meters per second gallons per

asked on December 17, 2016
10. Economics

TC = 85 + 15Q - 2Q^2 + 2Q^3 Then find MC And AC ? Briefly explain . Step by step.

asked on June 22, 2019
11. Physics

A tug tows a small boat with a rope inclined upward at 30 degrees to the horizontal. The tension in the string is 2000N.What is the forces tending to raise the boat out of water.

asked on August 28, 2019
12. maths

calculate the area of a sector of a circle which subtends an angle of 45° at the centre of the circle, radius 14cm

asked on May 30, 2019
13. Math

Dvd cases are 9/16 inch wide . A. If Juan has 60 DVD how many of them will fit on one shelf? How wide would a DVD case have to be in order for 60 of them to fit on one shelf? Give the answer in feet. 60divide 9/16=960/90

asked on September 26, 2016
14. physics

A 1.2 kg tether ball is hit so that it circles the pole with an angular speed of 3 radians/s. The length of the tether is 2m. What is the angle measured from the tether to the vertical pole?

asked on November 4, 2014
15. Precalc Translations

Let T(d) be the temperature of the seawater in the Mariana Trench d meters below the surface. Find a formula for p(x), the temperature x mm below the surface Insert 1 for coefficients that do not change and 0 for shifts that are not necessary My answers

asked on October 17, 2014
16. C++

Write a program that asks the user to enter an object's mass, and then calculates and displays its weight. If the object weighs more than 1,000 Newtons, display a message indicating that it is too heavy. If the object weighs less than 10 Newtons, display a

asked on April 6, 2017
17. Math

Dvd cases are 9/16 inch wide . A. If Juan has 60 DVD how many of them will fit on one shelf? How wide would a DVD case have to be in order for 60 of them to fit on one shelf? Give the answer in feet

asked on September 26, 2016
18. Math

there are 7 apples and 3 pears in a basket . in how many different ways can we pick an apple ?

asked on June 22, 2016
19. Physics

A car skidded on a roadway that has a coefficient of friction with the road of 0.7. A police officer measured the skid marks and noted them to be 100 feet long. Two years later at trial, the lawyer for the driver argues that the officer did not measure the

asked on April 28, 2015
20. Math

A particle moves along the curve x^2+4=y. The point on the curve at which the y coordinate changes twice as fast as the x coordinate,is

asked on July 12, 2017
21. probabilities

Let X be a Poisson random variable with µ = EX = 0.4 and let Y be another random such that E[(2Y + 1)2 ] = 10 and E[(Y − 1)2 ] = 4 Consider the random variable Z such that Z = 3X + 4Y + 2. 1. Find E(X2 ), E(Y 2 ) and E(Z). 2. Suppose that X and Y are

asked on April 26, 2016
22. physics

a fly moves from one corner of the floor of a room and you are standing opposite corner into the room .Describe the displacement of the fly when it covers half of the distance.

asked on June 2, 2011
23. 4th grade math

Rodney is three times as old as his sister. Ayear ago he was four times as old. How old are rodney and his sister now?

asked on January 18, 2010
24. probabilities

Suppose that a certain type of metalic tube contains on the average five defects per 900 feet. Let X be the number of defects per 900 feet 1. What distribution does X follows ? 2. What is the probability that a tube 900 feet long contains no defects ? 3.

asked on April 26, 2016
25. science

A circular hole of 150 mm diameter is to be punch out of a 2 mm thick plate. the shear stress needed to cause fracture is 400 Mpa. calculate the minimum force to be applied to the punch.

asked on October 19, 2015
26. physics

What will be the magnitude of work if a force of 25N pulls a stone through distance of 5m in its direction ?

asked on January 14, 2012
27. physics

a fly moves from one corner of the floor of a room and you are standing opposite corner into the room .Describe the displacement of the fly when it covers half of the distance.

asked on June 2, 2011
28. math

divide the 300Rs between hina and rina such that rina gets 100 less than 3 times what hina gets?

asked on December 13, 2016
29. probabilities

The random variable X has the Poisson distribution with parameter λ > 0. According to Chebeyshev’s Theorem, P(s < X < 99) ≥ 3/4. 1. Determine the value of k in the Chebeyshev’s inequality. 2. Determine the value of s

asked on April 26, 2016
30. physics

A force makes an angle of 60° with y-axis.Find x-component of force.

asked on February 13, 2016
31. Algebra 2

fourth root of (68-48sqrt2)

asked on February 8, 2014
32. chemistry

a given sample of MgCl2 solution has 6×10^23 ions. what is the number of Cl(-1) ions in the same solution?

asked on July 16, 2016
33. math

Carina has twice as many quarters as dimes. If she has \$3.60, how many quarters does she have?

asked on November 24, 2014
34. math

Ron has \$1.35 in dimes and quarters in his pocket. If there are twice how many quarters does he have?

asked on November 24, 2014
35. math

A study of 60 bolts of carpet showed that their average length was 180 yards. The standard deviation of the population is 6 yards. Which of the following is the 99% confidence interval for the mean length per bolt of carpet?

asked on April 14, 2014
36. shaheen

wha interesting object are found from moen jo daro?

asked on February 15, 2011

what is the systematic widespread effort to manipulate people`s ideas

asked on March 20, 2010
38. calculus ||

use a grapher to fine the length numerically (x)=2sin (y) ,pi/3 < y< 2pi/3

asked on February 14, 2010
39. esl

How can i learn englsih writting or reading have understandable quick or soon.

asked on June 17, 2016
40. probabilities

A radioactive source of material emits a radioactive particle with probability 1/100 in each second. Let X be the number of particles emitted in one minute. 1. Determine the probability distribution, the expected value and the variance of X. 2. Calculate

asked on April 26, 2016
41. probabilities

A weighted coin is flipped 200 times. Assume that the probability of a head is 0.3 and the probability of a tail is 0.7. Each flip is independent from the other flips. Let X be the total number of heads in the 200 flips. 1. What is the distribution of X ?

asked on April 26, 2016
42. Problem Solving

the average giant pacific octopus weighs about 75 pounds. the largest octopus ever found weighed 8 times this amount. how much did the largest octopus weigh

asked on November 24, 2014
43. math

Ron has \$1.35 in dimes and quarters in his pocket. If there are twice as many dimes in his pocket as quarters, how many quarters does he have?

asked on November 24, 2014
44. science

10 name of acid and alkalies and there uses

asked on July 18, 2012
45. us history

systematic widespread effort to manipulate people`s ideas

asked on March 20, 2010
46. us history

modern world peacekeeping organization

asked on March 20, 2010
47. grammar

Concentration does not mean think one idea.

asked on March 4, 2010
1. contempory math

2 4 6 8 10 12

posted on September 3, 2019
2. Physics

Ans

posted on August 28, 2019
3. Physics

posted on August 28, 2019
4. electrical trade theory

What is the dc composition of a motor

posted on June 17, 2019
5. english

MY COUNTRY(NIGERIA)

posted on September 26, 2018
6. Chemistry

I got 13.2mL

posted on April 30, 2018
7. Math

14

posted on November 21, 2017
8. Math

2/15

posted on May 16, 2017
9. Psychologic

People who receive apologies are less forgiving.

posted on February 21, 2017
10. 3rd grade math

33

posted on December 8, 2016
11. physics

posted on November 17, 2016
12. Math

21/2 feet long

posted on September 26, 2016
13. probabilities

Consider a binomial random variable X with parameters n = 100 and p = 0.1, and let Y be a Poisson random variable with E(Y ) = 2. Suppose that V ar(X+3Y ) = 21. 1. Find E(X), V (X) and V (Y ). 2. Determine E(X + 3Y ) and deduce E[(X + 3Y ) 2 ]. 3. Find

posted on April 26, 2016

qs-5000-15000-2(7500)+15000p

posted on April 6, 2016
15. statistics for health research

It is clear that because in normal distribution curve within 1 standard deviation (700-800)at 68.34% and within 2SD (650-850)at 95%

posted on March 2, 2016
16. college chemistry

A substance's heat of fusion is the quantity of thermal energy involved in the solid/liquid phase change. When water freezes it releases 6.02kJ for each 18.0 grams (1 mole) that freezes. When it melts, each mole must gain 6.02 kJ of energy. Remember that

posted on January 17, 2015
17. accounting

Sales (net) 126.000 2013 cgs 75.000.margin 51000,operating expenses 30.000 net income 21.000

posted on July 16, 2014
18. Chemistry

Ineed helping full for account

posted on July 16, 2014
19. Chemistry

I need your helping for assigment of account

posted on July 16, 2014
20. Geometry PARALLELOGRAM question?

Maths

posted on April 7, 2013
21. biology

talk about the ethanol dissolving the phospholipid bi layer of the membrane, and the protein as the tertiary structure is ruptured. Also reliability- didn't do any repeats etc, you can use repeats to make an average so it is more accurate. do your results

posted on February 7, 2012
22. Chemistry Titration Lab HELP!

what's suggest an application for acid/base titration

posted on October 21, 2008