Posts by hassan

Total # Posts: 57

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

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 message ...

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 options: 0.996 1 1.004 ...

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 hour meters per radian...

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

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

Math
21/2 feet long

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

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

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

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

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. What is the ...

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 the probability that ...

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 among 16. 1. What ...

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 ? 1 2. What is the ...

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 independent, ...

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 Cov(X, Y ). Are X and Y ...

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

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

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

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.

Math
2/15

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 skid marks correctly...

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

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

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

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?

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?

Psychologic
People who receive apologies are less forgiving.

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 p(x) = 1, T( ) x - 0...

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%

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?

3rd grade math
33

Algebra 2
fourth root of (68-48sqrt2)

Gage university college
Ineed helping full for account

Gage university college
I need your helping for assigment of account

science
10 name of acid and alkalies and there uses

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 support the ...

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

Quadrilateral
Maths

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

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 coils, what is the ...

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.

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.

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

shaheen
wha interesting object are found from moen jo daro?

physics
i need your help this Answer

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

11th grade
what is the systematic widespread effort to manipulate people`s ideas

us history
systematic widespread effort to manipulate people`s ideas

us history
modern world peacekeeping organization

grammar
Concentration does not mean think one idea.

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

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 there is no ...

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?

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

Chemistry Titration Lab HELP!
what's suggest an application for acid/base titration