Wednesday
October 1, 2014

Posts by Aly


Total # Posts: 229

Environmental Science
India’s prime minister puts you in charge of that nation’s population policy. India has a population growth rate of 1.6% per year, a TFR of 2.7, a 49% rate of contraceptive use, and a population that is 71% rural. What policy steps would you recommend, and why? What ...
September 28, 2014

English
What are some similarities and differences between the poems "i sing of Olaf glad and big" and "Night, Death, Mississippi"?
September 26, 2014

Environmental Science
What are some common justifications for environmental policy?
September 20, 2014

Math
Matt who stands at 68 inches tall casts an 8 foot shadow at the same time a pear tree casts a 21 foot shadow. How tall is the tree?
September 3, 2014

Alegbra1
What is the domain of the following function? f(x) = √ -x + 2 - 1
July 30, 2014

THE GREAT GATSBY HELP
I'll do that, thank you
June 12, 2014

THE GREAT GATSBY HELP
What do you mean by ideals?
June 12, 2014

THE GREAT GATSBY HELP
In the book, how does Gatsby's flaws and idealism represent the best and the worst about the American Dream?
June 12, 2014

PRECALC QUESTION
Solve for "x" and "y" given the following matrix equation: (2x, 0.5y, -2, 1) * (3, -2, 0, 1) = (-24, 19, -6, 5) (the matrices are going from left to right, they're all 2x2's.)
May 25, 2014

PRECALC HELPPP please
A local photo gallery sells 3 different types of picture packages: economic, standard and luxury. The table below shows the number of pictures and packages given in each of the 3 packages; Package: Wallet: 4x6: 8x10: Economic 10 4 1 Standard 20 4 2 Luxury 30 8 4 The table ...
May 24, 2014

PRE CALC HELP PLEASE
When I solved the system of equations I got M=25, E=30 and N=15 and when I substituted into each equation it worked, thank you so much!
May 24, 2014

PRE CALC HELP PLEASE
A plumber, electrician and painter were all hired to work on 3 different house. For Adam's house, a plumber worked a total of 35 hours, an electrician worked 42 hours and a painter needed 29 hrs to complete the job. the total cost of the three workers for adam's house ...
May 24, 2014

Canadian History
1) The essential question for the last few lessons asks "How did Canada seek to establish economic security and social justice from the period of the depression to the patriation of the Constitution? What kind of economic security did the Canadians seek? What kind of ...
May 9, 2014

Algebra1
Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is -253.
April 22, 2014

PRE CALC
Evaluate: sigma notation of (3cos k(pi) +1) start value: k=0 end value: k=3
April 3, 2014

PRE CALC
The 20th term of an arithmetic sequence is 27 and the first term is -11. What is the common difference??
April 2, 2014

PreCalc PLEASE HELP
Find the common ratio, r, for the geometric sequence that has a1= 100 and a8= 25/32
March 23, 2014

PreCalc PLEASE HELP
Ms Farnum was hired for a new job at a salary of $62,500 and was promised a 5% raise each year. What would Ms.Farnum's salary be, to the nearest dollar, after working there for 6 years?
March 23, 2014

PHYSICS IMPULSE MOMENTUM QUESTION
what is a scenario in which REDUCING the time of impact would be beneficial?
March 10, 2014

Pre-Calc Help please
Solve for x: log base5 (4x) + log base5 (x) = log base5 (64)
March 4, 2014

Pre Calc
Solve the following inequality in terms of natural logarithms (ln). (e^6x)+2 is less than or equal to 3.
March 3, 2014

Precalc
Thank you!
March 3, 2014

Precalc
Solve the following equation for x in terms of ln and e. (2e^3)-6-(16e^-x)=0
March 3, 2014

Pre-Calc
Solve for x: log base27 (2x-1) = 4/3
March 2, 2014

Pre-Calculus
Solve the following inequality in terms of natural logarithms (ln). (e^6x)+2 is less than or equal to 3.
March 2, 2014

Pre-Calculus
Find N if log base 6 (6^7.8)=N
March 2, 2014

History
When was the first contact of the following first nations people of canada: First nations of the Mackenzie and Yukon River Basins Pacific coast first nations Plateau Fist Nations Plains first nations
February 20, 2014

English
Lord of the flies questions 1-7 Although it appears that Ralph and jack would become good friends strain is being placed on their friendship. The boys seem to be from two different world, "There was the brilliant world of hunting, tactics, fierce exhilaration, skill: and ...
February 19, 2014

social studies
during the early 1800s the United States tried to make peace with other countries in order to grow and develop. give an example of one of those peace efforts and briefly explain what it tried to accomplish
February 10, 2014

science
joey drives his car 7 kilometers north. he stops for lunch and then drives 5 kilometers south. what distance did he cover?
January 27, 2014

physics
a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. at what time is the ball 20 m above the ground?
December 1, 2013

physics. again.
a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. at what time after being struck is the ball moving at 10 m/s upwards? where is the baseball at this time? answer= 67.9m I need to know how to get this answer
December 1, 2013

Physics
a baseball is popped straight up. the ball leaves the bat moving at 37.8 m/s. to what height did the ball rise. t=7.72 s the answer is 73 m, but how do you get that answer
December 1, 2013

physics URGENT
3. Using conceptual meaning of g = Fg/m [N/kg], answer the following: a) What does the spring scale read on the surface of the Moon?
November 28, 2013

Math
The students sold children's ticket for $30 per ticket and adult tickets for $40 for a total of $930. Write an equation for the scenario and determine the x and y intercept.
November 4, 2013

Physics
1) what does the y intercept on a force vs acceleration graph represent? 2)what is the relationship of mass and acceleration?
October 30, 2013

ECONOMICS/ACCOUNTING/BUSINESS
PLS HELP, BEEN STUCK FOREVER ON TWO QUESTIONS, THIS IS ONE : There are usually no costs for the first 3 years, but thereafter maintenance is re- quired for restriping, weed control, light replacement, shoulder repairs, etc. For one section of a particular highway, these costs ...
June 24, 2013

Finance
A building is priced at 125,000. If a down payment of 25,000 is made and a payment of 1,000 every month thereafter is required, how many months will it take to pay for the building? Interest is charged at a rate of 9% compounded monthly.
May 26, 2013

Finance
Omega Instruments has budgeted $300,000 per year to pay for certain ce- ramic parts over the next 5 years. If the company expects the cost of the parts to increase uniformly according to an arith- metic gradient of $1 0,000 per year, what is it expecting the cost to be in year...
May 26, 2013

practice question
How do i go about solving this one? A cash flow sequence starts in year 1 at $3000 and decreases by $200 each year through year 10. (a) Determine the value of the gradient G; (b) determine the amount of cash flow in year 8; and (c) determine the value of n for the gradient. ...
May 26, 2013

economics
Pls Help. Not too sure how to do this question. Someone wants to set aside money for their newborn daughters college funds. He estimates she would need 25,000 on her 17, 18, 19 and 20, birthdays. If he plans to make uniform deposits starting 3 years from now and through her 16...
May 26, 2013

Physics
Anyone for B_0 for both cases? Problem 3) b)?
May 8, 2013

Math
Sarah was cutting fabric for a quilt. She cut a strip of fabric that was 19 1/8 inches long into 5 equal pieces. When she was finished cutting Sarah had a piece that was 2 1/4 inches long. How long was each piece that she cut for the quilt?
April 21, 2013

Math
The elevation of the surface of the Dead Sea is -424.3 meters. In 2005, the height of Mt. Everest was 8,844.33 meters. How much highernwas the summit of Mt. Everest?
April 21, 2013

chemistry
lewis structure of HOCH2S-
March 13, 2013

Chemistry 1001/104
Hey Walter, for this we use the arrhenius equation: In(K2/K1)= -Ea/R (1/T2-1/T1) As it says the reaction rate doubles. so for instance if you take K1= 1 then K2 will equal to 2. Now plug this into In(K2/K1)= -Ea/R (1/T2-1/T1) Now after we do In(K2/K1)= 0.693 0.693=-Ea/R (1/T2...
March 8, 2013

math
(16xy^3/-24x^4y)^-3 simplify the rational expression in the form A/B. Single fraction with only positive exponents.
January 19, 2013

math
*cubic square root*125h^9s^1/*cubic square root*h^-6s^-1 The expression above equals kh^rs^t where r, the exponent of h, is..? and t, the exponent of s, is...? and k, the leading coefficient is...? all answers should be rational numbers
January 19, 2013

math
Simplify the rational expression in the form A/B. X^-2+X^-4. Express the final result in a single fraction using positive exponents only.
January 19, 2013

math
multiply both sides by 2 and add them together... were you given formulas?
January 1, 2013

math
You can use the pythagorean theorem (c^2=a^2+b^2, where "c" is the hypotenuse and "a" and "b" are the other sides) to find the length of the other side. Manipulate it to get c^2-a^2=b^2, then take the square root of the answer to get the length of...
January 1, 2013

Calculus
The statement is true, because f'(x) deals with the slope of a tangent line. At any extrema (maximum or minimum point), the tangent line will be horizontal, meaning that it has a slope of 0. Since f'(x) is the slope of the tangent line, we can say that f'(x)=0 at ...
January 1, 2013

precal
fixed typo ((sinx + cosx)/(1 + tanx))^2 + ((sinx - cosx)/(1 - cotx))^2 = 1
November 2, 2012

precal
thanks :)
November 2, 2012

precal
please help i can't find the answer for this question. i can only manipulate one side of the equation and the end result has to equal the other side. Problem 1. ((1 + sinx)/cosx) + (cosx/(1 + sinx)) = 2secx
November 2, 2012

chem
Is this the correct equatioin for the reaction of cyclohexene with MnO4- ? C6H10 + MnO4- ----> C6H10(OH)2 + MnO2
February 20, 2012

Physics Help
I am having trouble with part b myself but for part c the only force is gravity. So F=ma =.0008kg*9.8m/s^2 =0.00784N
February 16, 2012

English
I'm stuck on this SAME question.
February 13, 2012

Physics
A skier of mass 71.0 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 62.2 m up a 37.0 slope (assumed to be fric- tionless) at a constant speed of 2.0 m/s? The acceleration of gravity is 9.81 m/s2 .
January 9, 2012

chemistry
One of the by-products of a reaction is 2-methyl-2-butene. A) Suggest a mechanistic pathway for the formation of this alkene. B) How is this by-product removed during the purification?
October 28, 2011

science
An average diameter of a star is approximately 1 X 10^9 m and an average diameter of a galaxy is 1 X 10^21 m. Considering the given data, apply a sense of scale calculation to determine if when a galaxy’s diameter is scaled down to the length of Manhattan (21.6 km long), ...
October 10, 2011

science
An average diameter of a star is approximately 109 m and an average diameter of a galaxy is 1021 m. Considering the given data, apply a sense of scale calculation to determine if when a galaxy’s diameter is scaled down to the length of Manhattan (21.6 km long), would the ...
October 10, 2011

calculus
Follow this link please! It is an interactive question that I just cannot figure out webwork.math.nau.edu/webwork2/CFisher_136/Continuity/3/?user=aed73&effectiveUser=aed73&key=KwyySMKGHvKe32dogu0ViC6rI90u7iI9&displayMode=jsMath&showOldAnswers=1
September 16, 2011

calculus
thank you! I actually figuredit out right after I submitted this lol
September 16, 2011

calculus
For what value of the constant c is the function f continuous on the interval negative infinity to positive infinity? f(x)={cx2+7x if x<2 x3−cx if x> or =2
September 16, 2011

calculus
For what value of the constant c is the function f continuous on the interval negative infinity to positive infinity? f(x)={cx2+7x if x<2 x3−cx x2 x2
September 16, 2011

medical billing and coding
which of the following is an expanded option for participation in private health care plans? A-medicare part A. B-Medicare part B. C- medicare advantage or D- medigap
August 28, 2011

physics
The physics of electric potential energy at one corner of a triangle. Two charges, q1 = +5.0 ìC and q2 = -2.0 ìC are 0.50 m apart. A third charge, q3 = +6.0 ìC is brought from infinity to a spot 0.50 m from both charges so that the three charges form an ...
April 28, 2011

physics
The physics of an electron moving from one plate to another. An electron acquires 4.2 x 10-16 J of kinetic energy when it is accelerated by an electric field from Plate A to Plate B. What is the potential difference between the plates, and which plate is at a higher potential?
April 28, 2011

physics
The physics of an electron falling through a potential difference. How much kinetic energy will an electron gain (joules) if it falls through a potential difference of 350 V?
April 28, 2011

physics
The physics of moving a small charge through a potential difference. How much work is needed to move a -8.0 ìC charge from ground to a point whose potential is +75 V?
April 28, 2011

physics
The physics of electric field between two charges. What is the magnitude and direction of the electric field at a point midway between a -8.0 ìC charge and a +6.0 ìC charge? The -8.0 ìC charge is 4.0 cm to the left of the +6.0 ìC charge. If a charge...
April 28, 2011

physics
The physics of the DNA molecule. The two strands of the DNA molecule are held together by electrostatic forces. There are four bases which make up the DNA molecule, thymine (T), adenine (A), cytosine (C), and guanine (G). In two of the bases, thymine and adenine, an oxide ion ...
April 28, 2011

math
of the 900 students 585 went to college what percent is that? a)150% b)65% c)90% d)58.5%
April 25, 2011

english
THE second one.
April 25, 2011

physics
One of the moons of Jupiter is Io. The distance between the centre of Jupiter and the centre of Io is 4.22 x 10^8 m. If the force of gravitational attraction between Io and Jupiter is 6.35 x 10^22 N, what must be the mass of Io?
April 24, 2011

physics
The physics of satellite motion around Jupiter. A satellite of mass 2.00 x 104 kg is placed in orbit 6.00 x 105 m above the surface of Jupiter. Please refer to the data table for planetary motion included in this lesson. a) Determine the force of gravitational attraction ...
April 24, 2011

physics
The physics of energy and Earth's moon as a satellite. The moon is an Earth satellite of mass 7.35 x 10^22 kg, whose average distance from the centre of Earth is 3.85 x 10^8 m. a) What is the gravitational potential energy of the moon with respect to Earth? b) What is the ...
April 24, 2011

physics
The physics of gravity and satellite motion around Jupiter. A satellite of mass 2.00 x 104 kg is placed in orbit around Jupiter. The mass of Jupiter is 1.90 x 1027 kg. The distance between the satellite and the centre of Jupiter is 7.24 x 107 m. a) Determine the force of ...
April 24, 2011

physics
The physics of orbital radius and orbital period of a planet. If a small planet were discovered whose orbital period was twice that of Earth, how many times farther from the sun would this planet be?
April 24, 2011

physics
A roller coaster of mass 1000.0 kg passes point A with a speed of 1.80 m/s? point a= 30m point b= 0m point c= 25m point d= 12m 1. What is the total mechanical energy of the roller coaster at point A? 2. What is the speed of the roller coaster at point B? 3. What is the ...
April 24, 2011

physics
The physics of a golf ball and kinetic energy. When a 0.045 kg golf ball takes off after being hit, its speed is 41 m/s. a) What is the kinetic energy of the ball after it has been hit? b) How much work is done on the ball by the club? c) Assume that the force of the club acts...
April 24, 2011

physics
1. The physics of Mars and its two moons. Mars has two moons, Phobos and Deimos (Fear and Panic, the companions of Mars, the god of war). Deimos has a period of 30 h, 18 min and a mean distance from the centre of Mars of 2.3 x 104 km. If the period of Phobos is 7 h, 39 min, ...
April 24, 2011

English
dont say im ancient im just old
April 20, 2011

English 101
I forgot to mention what questions I need to answer. 1. With what kind of couples is the speaker comparing himself and his partner. What is his hypothesis about why they are different? 2. There are other smaller comparisons that appear in the poem. What are they and what to ...
April 3, 2011

English 101
I am pretty good at writing papers, but poetry is my weakness. I have to read "For C" by Richard Wilbur and I am having the hardest time analyzing it. Please help me!
April 3, 2011

chemistry
A 10.00g sample of a mixture of CH4 and C2H4react with O2 at 25C and 1 atm to produce CO2 and water. If the reaction produces 520kJ of heat what is the mass percent of CH4 in the mixture? I don't want the answer just how to o
March 14, 2011

chemistry
A 10.00g sample of a mixture of CH4 and C2H4react with O2
March 14, 2011

spanish
what are you wearing tonight?
February 4, 2011

math formula?
Mary would like to save $10 000 at the end of 5 years for a future down payment on a car. How much should she deposit at the end of each week in a savings account that pays 12%/a, compounded monthly, to meet her goal? d. Determine the weekly deposit without technology. Can ...
January 20, 2011

math
3. Find the exact value of the following, show all work. a. sin^2 (75^0)/sin45, cos^2, 30^0 b. tan(135) + sin(30)cot(120)
January 19, 2011

physics
A 7.6 kg chair is pushed across a frictionless floor with a force of 42 N that is applied at an angle of 22° downward from the horizontal. What is the magnitude of the acceleration of the chair?
December 2, 2010

physics
A giant excavator (used in road construction) can apply a maximum vertical force of 2.25×105 N. If it can vertically accelerate a load of dirt at 0.200 m/s2, what is the mass of that load? Ignore the mass of the excavator itself.
December 2, 2010

physics
A giant excavator (used in road construction) can apply a maximum vertical force of 2.25×105 N. If it can vertically accelerate a load of dirt at 0.200 m/s2, what is the mass of that load? Ignore the mass of the excavator itself.
December 2, 2010

physics
In moving a standard computer mouse, a user applies a horizontal force of 6.00×10−2 N. The mouse has a mass of 125 g. (a) What is the acceleration of the mouse? Ignore forces like friction that oppose its motion. (b) Assuming it starts from rest, what is its speed ...
December 2, 2010

college
Hi, I just want to make sure I am doing this assignment correctly.The question is: How are medical coding, physician, and payer fees related to the compliance process? I believe that they are related because the medical coding specialist is required to know what the patient&#...
November 14, 2010

college
Hi, I just want to make sure I am doing this assignment correctly.The question is: How are medical coding, physician, and payer fees related to the compliance process? I believe that they are related because the medical coding specialist is required to know what the patient&#...
November 14, 2010

Math
Paul needs 2 1/4 yards of fabric to make a tablecloth. How many tablecloths can he make from 18 1/2 yards of fabric
November 8, 2010

Math
45 is 93% of x round to the nearest tenth where necessary.
November 7, 2010

Math
Yes so should the final answer be 6 or?
November 7, 2010

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