Wednesday
December 7, 2016

# Posts by mohammed

Total # Posts: 115

Differential calculus
reservoir has the shape of a right-circular cone. The altitude is 10 feet, and the radius of the base is 4 ft. Water is poured into the reservoir at a constant rate of 5 cubic feet per minute. How fast is the water level rising when the depth of the water is 5 feet?
November 26, 2016

Differential calculus
A ladder 20 ft long leans against a vertical wall, If top slides downward at the rate of 2 ft/sec, find how fast the lower end is moving when it is 16 ft from the wall.
November 26, 2016

Differential calculus
A light is placed on the ground 30 ft from a building. A man 6 ft tall walks from the light toward the building at the rate of 5 ft/sec. Find the rate at which the length of his shadow is changing when he is 15 ft from the building.
November 26, 2016

Differential calculus
Find the most economical proportions for a covered box of fixed volume whose base is a rectangle with one side three times the other.
November 26, 2016

Differential calculus
A piece of wire of length 2 m. is cut into two parts, one of which is bent into the shape of a square and the other into a shape of a circle. How should the wire be cut so that sum of the enclosed areas is minimum.
November 26, 2016

Differential calculus
Sketch the graph of the curve y=(x-2)(x+1)(x+3)
November 23, 2016

Differential calculus
Find the equation of the parabola w/ v(3,-4) and with directrix y=0.
November 16, 2016

Differential calculus
Find the equation of the parabola w/ v(3,-4) and with directrix y=0.
November 14, 2016

Differential calculus
Find the equation of the parabola w/ v(3,-4) and with directrix y=0.
November 8, 2016

Differential calculus
y=(√e^x)/x
October 26, 2016

Differential calculus
Differentiate the following y=root(e^x)/x
October 26, 2016

Differential calculus with analytic geometry
use implicit differentiation to find dy/dx. xy^2+4y^3=x-2y
October 26, 2016

trigonometric
a tower 61 m high is located 44 meters from a tall tree.from the top of the tree.the angle of elevation to the tower is 36 degrees. how tall is the tree?
August 7, 2016

Trigonometry
Solve the equation 6sin^2 x-sin x=0 , if x belongs to the half open interval [0,2 ).
July 30, 2016

Trigonometry
A luxury ship left the port and cruised for 7 miles at a heading of 38 degrees. It then cruised for 24 miles heading of 128 degrees and stopped. How far was the ship now located from the port?
July 30, 2016

Chemistry
A saturated solution of lead ii trioxonitrte v was prepared at 22degree Celsius at 27cm3 of this solution required 46cm3 of NaCl solution containing 96gdm3 for complete precipitation. Find the solubility of the lead in trioxonitrte v at 22degree Celsius in (a) mol/dm3 (b) g/dm3.
May 24, 2016

Bn
(a) A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 29.0° with the horizontal. A piece of luggage having mass 30.0 kg is ...
February 29, 2016

Organic Chemistry
Hello, I have done an experiment in Organic Chemistry called :SN1 Reaction: Synthesis of t-amyl chloride from t-amyl alcohol, there are some questions that I am unsure about, 1) What are the 2 rules of HCl in this reaction? Can you use NaCl instead of HCl to synthesize t-amyl ...
February 29, 2016

Chemistry
What will be the volume of ammonia formed from 2L of nitrogen and 2L of hydrogen
February 26, 2016

physics
The vector position of a particle varies in time according to the expression r with arrow = 6.60 i − 9.00t2 j where r with arrow is in meters and t is in seconds. (a) Find an expression for the velocity of the particle as a function of time. (Use any variable or symbol ...
February 6, 2016

civic
what are the local civic problems
January 27, 2016

math
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take both of them to paint the house together? > I know the answer, but I do not know what is the name of the methods. EX: 1/n= 1/4 + 1/6 1/n =5/12 n= 12/5
October 4, 2015

Math
In a bag of red and black jellybeans 136 are red jb and the remaining r black jb if 15% of the jellybeans in the bag are black whatis the total number of jelly beans in bag A) 151 B 175 C) 175 D 200 E 906
September 27, 2015

Math
A stero was discounted by 20 % and sold at the discount price of \$256 which of the following equals the price of the stereo before the discount
September 27, 2015

Algebra
Wilma drove at an average speed of 35 mi/h from her home in City A to visit her sister in City B. She stayed in City B 25 hours, and on the trip back averaged 55 mi/h. She returned home 40 hours after leaving. How many miles is City A from City B
September 18, 2015

algebra
Eleven fewer than eight times a number is 117
August 23, 2015

Social Studies
thank you very much Ms. Sue :)
June 17, 2015

Social Studies
im doing research paper on that aboriginals have the right to self government. discuss. i need to do citations in paper, and im trying to look for 5 or 6 good websites i can do citations from and paraphrase. if you know of any good sites please post. thanks. also I am agreeing...
June 17, 2015

Math
Neil needs to cut 3 long boards into 9 smaller boards. The first is 10 ft, the second is 16 ft, and third is 18 ft. The table lists the smaller boards Neil needs. Use a drawing to show how he can divide the 3 boards so there is no waste.
April 14, 2015

chemistry
rank the following elements by electron affinity, from most positive to most negative ea value, bismuth,neon,fluorine,cesium,oxygen
November 6, 2014

physics
A 36-N force, parallel to the incline, is required to push a certain crate at a velocity of 9.1 up a frictionless incline that is 45° above the horizontal. The mass of the crate is:
November 6, 2014

Pre Med Major
ok Ms Sue.
August 22, 2014

Pre Med Major
Hi. I am an accounting major. Is there anyway I can finish my accounting degree and still finish the pre med requirements in 4 years? Can an Accounting major become a MD? I know about MCAT and everything.
August 22, 2014

math
Nine hundred Thirteen Thousand
August 21, 2014

L.o
Four factors that could threaten or limit the core functions of the media
May 26, 2014

physical
A 2500‐kg vehicle traveling at 25 m/s can be stopped by gently applying the breaks for 20 seconds. What is the average force supplied by the breaks to stop the vehicle?
May 10, 2014

biology
what is hypertonic and how does it happen
February 17, 2014

biology
what is the hypertonic hypotonic isotonic ,
February 16, 2014

Math
to make an equal
February 16, 2014

English ms sue
how to write autobiographical
February 16, 2014

algebra
a=l*w 44=3-2x , 2x=44-3, 2x=39
February 16, 2014

Math
5*25/12=125/10
February 14, 2014

SAT
thank you both. I will learn english first.
January 30, 2014

SAT
Please help me. I am a foreign boy. English is not my first language. I find the SAT questions too tough. In my home land we did not learn much english in high school. How can I pass the SAT with a good score?
January 30, 2014

SAT
@bobpursley thank you sir.
January 19, 2014

SAT
please help. I am a foreigner. I need to get into a US college for a bright future. I bought the College Board SAT book. It has no word lists. How do I do well in the SAT? Any tips? Please give me help.
January 19, 2014

Social Studies
i came across those sites but they don't give free printables or answer keys
December 8, 2013

Social Studies
December 8, 2013

Social Studies
I trying to help my younger siblings with their work so i want to print out some worksheets from a website that have answer keys but i cant find any online, if you can give me a link to some that would be great.
December 8, 2013

GED
Is the English Writing test the most difficult GED test? I find Math easy. Am I required to memorize the Science and Social Studies? or will I be provided information and is the Science and Social Studies actually a reading test? Thank You in Advance.
October 25, 2013

Chemistry
I'm so sorry for bothering you, but the answer still wrong. It says that this is similar to the amount of fertilizer in the river water, but the amount of nitrogen will be less. So, what percent of the total mass of the fertilizer is nitrogen? Thanks,
August 30, 2013

Chemistry
I know that. I already used these steps, but the answer was wrong.
August 30, 2013

Chemistry
A farmer applies 1400.0 kg of a fertilizer that contains 10.0% nitrogen to his fields each year. fifteen (15.0%) percent of the fertilizer washes into a river that runs through the farm. If the river flows at an average rate of 0.410 cubic feet per second, what is the ...
August 30, 2013

Math
A basketball team won 10 of its first 20 games. If then won its next 5 games. What fractional part of its total number of games did it win?
July 11, 2013

Math
A basketball team won 10 of its first 20 games. If then won its next 5 games. What fractional part of its total number of games did it win?
July 10, 2013

maths
A man travels from town a to b at an average speed of 90km/h.on his return journey he takes (one)1 hour less and his speed is 10km/h faster......1.how far apart are towns a and b, ............. ..2.what Is his average speed from town a to b and back to a ..
April 11, 2013

Thank You
February 21, 2013

8. Neither of the glasses _________ full of juice. were weren't *was wasn't 9. In the living room _________ many interesting pieces of art. is isn't *are aren't Thank You
February 21, 2013

10. In a research proposal, your sources should not have the potential to answer research questions. A.) true *B.) false Thank You
February 21, 2013

Physics
Final momentum = Initial Momentum (2561+823)(8.5) = 2561V + 823(0) (3384)(8.5) = 2561V 28764 = 2561V 11.23m/s = V
December 19, 2012

camestry
Calculate the number of grams of calcium chloride (CaCl2) needed to react with excess silver nitrate (AgNO3) to produce 6.60 g of silver chloride (AgCl). The equation for the reaction is given below: CaCl2 + 2AgNO3 → 2AgCl + Ca(NO3)2
November 5, 2012

literary
a connecticut yankee is episodic true or false
July 5, 2012

literary
IN THE 19TH CENTURY HANK MORGAN IS A MIDDLE CLASS a newspaper b cowboy c enginner
July 5, 2012

Math
a carpenter cut a 3- meter board into four pieces of equal length . how many centimeters long was each piece?
June 1, 2012

Finance
1. Hyundai Corporation plans to issue 4-year bonds with a par value of \$1,000 that will pay \$50 every year. The firm will issue these bonds to the buyers at \$840 each. (6 points) a. Compute the before-tax cost of debt. (Hint: Try solving this like you solve for IRR; i.e. try 5...
May 28, 2012

physics
a person with a mass of 40 kg runs up a flight of stairs in 12 seconds the flight has 20 steps and the height of each step is 20cm
March 29, 2012

calculus
thanks for helping me
February 29, 2012

calculus
16sinx/x if x <0 f(x)= a if x=0 bcosx if x>0
February 29, 2012

calculus
Determine values of a and b that make the given function continuous . 16sinx÷x f(x)= a bcosx It's a bicewise function
February 29, 2012

physics
270-30=240
January 10, 2012

Mr.brooks brought a box of 66 acorns to class can he give 3 acorns to each of the 23 students in his class why or why not
January 8, 2012

caculate the k.e of car with mass of 50kg and velocity of 10m/s
November 20, 2011

physics
Vector is 6.0 units long and points along the negative axis. Vector is 8.5 units long and points at 40 to the positive axis
October 9, 2011

chemistry
A crucible containing potassium chlorate has a mass is 24.426 g. The crucible is heated according to the lab procedure for this week's experiment and is found to weigh 23.642 g. Write an equation for the reaction and, assuming that all the chlorate decomposed, calculate ...
October 3, 2011

physics
i think it will not be able. because Vf^2=-197500 m/s according to this relation Vf^2=Vi^2+2ax while x=0.2m, vi= 450 m/s , a=-10^6 m/s^2 is it right or not?
October 2, 2011

physics
A bullet is fired with a speed of 450 m/s through a board 20cm thick. If the bullet is subject to a large deceleration of magnitude 10^6m/s^2, will the bullet be able to emerge from the other side of the board.?
October 2, 2011

physics
A bullet is fired with a speed of 450 m/s through a board 20cm thick. If the bullet is subject to a large deceleration of magnitude 10^6m/s^2, will the bullet be able to emerge from the other side of the board.?
October 2, 2011

Math problems
p stands for pence
June 5, 2011

Math problems
i am an odd multiple of 50p, my number of pounds is double 18
June 5, 2011

i am a four-digit number with the digits in order. my first two digits are the first two odd numbers. my last two digits are the last two single-digit even numbers
May 16, 2011

Math problems
i am a four-digit number with the digits in order. my first two digits are the first two odd numbers. my last two digits are the last two single-digit even numbers PLEASE HELP
May 15, 2011

Math problems
i am two numbers, the sum of my numbers is 1000, the diffrence between my two numbers is 100
May 15, 2011

math problems
what is a number that is between 200- 700 three digit multiple of 10 and divisible by 8 and 9
May 10, 2011

science
the consentration of Sr(OH)2 I S 0.02 WHAT IS THE CONSENTRATION OF OH ASSUMING COMPLETE DISSOCIATION
January 16, 2011

We offer all types of loan worldwide at 6.8%, Our loans are well insured for maximum security is our priority.
October 23, 2010

grammar
correct the errors in the following sentence : My best childhood friend is her
October 9, 2010

MATHS
a parabola passes through the points (1,1) , (2,0) and (3,1) the equation of the parabola is y=ax^2 + bx + c a) write down a system of equations representing this parabola. b) solve the corresponding system and hence write down the equation of the parabola
September 28, 2010

Memorial High School
I need help in homework
September 20, 2010

algebra 1
I need help in homework
September 20, 2010

try to build a faster answering on a subject and use that same idea on your struggles
April 12, 2010

everything
April 12, 2010

physics
(a) A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 29.0° with the horizontal. A piece of luggage having mass 30.0 kg is ...
April 4, 2010

Math
What do the digits in the number 15 add up to? Answer 1+5=___. Using single digits, how many different ways can you add up to 6?. Example: The least number of digits is 2, and it is 1+5=6. The greatest number of digits is 6, and it is 1+1+1+1+1+1=6. 1.How many other numbers ...
March 21, 2010

Physics
A uniform ladder which is 10m long and weighs 300N, leans with its upper end against a smooth vertical wall and its lower end on rough horizontal ground. A man weighing 700N stands on the ladder at point of 6m above the ground. Calculate the magnitutes and the directions of ...
November 13, 2009

chemistry
Is it -194.6KJ ?
October 29, 2009

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