Wednesday
November 26, 2014

Posts by james


Total # Posts: 1,874

its urgent math i need the answer fast
Price: 5.49 Unit Rate: 0.04 Price: 1.50 Unit Rate: 0.02 how much would you save in one year?
January 14, 2013

Hard math
2x^3-x^2-6x __________ 2x^2-7x+6
January 13, 2013

Chemistry
a)i b)ii c)iv
January 11, 2013

math
Factor 5(x^2+4)^4 (2x)(x-2)^4+(x^2+4)^5(4)(x-2)^3
January 10, 2013

Chemistry
Okay. Thanks for your help.
January 10, 2013

Chemistry
Here is what I came up with, but not sure if it is correct. 2 moles of NaOH = 79.994g NaOH 79.994g/1L * 1L/1000mL * 100mL/1g = 7.9
January 10, 2013

Chemistry
Okay... Where did you get 10/40? Also, where would the 79.994g of NaOH come in?
January 10, 2013

Chemistry
I've been working on this problem for hours and cant figure it out. I know it should be simple, but I'm stuck... The question is... Describe how to prepare 1.00L of a 1.0% (w/v) NaOH from a 2.0 M NaOH. *I need to figure out how many ml of the stock solution is needed. ...
January 10, 2013

Physics
You place two charges a distance r apart. Then you double each charge and double the distance between the charges. How does the force between the two charges change? a) The new force is twice as large. b) The new force is half as large. c) The new force is four times as large...
January 10, 2013

Reading
IN And then there were none by agatha christe which character changed the most and y: in a paragraph? I need to write a 3 paragraph essay on who changed the most in the book, and i don't know who to choose? please help me!
January 9, 2013

Physics
The New England Merchants Bank Building in Boston is 152 high. On windy days it sways with a frequency of 0.12 , and the acceleration of the top of the building can reach 2.5 of the free-fall acceleration, enough to cause discomfort for occupants. What is the total distance, ...
January 8, 2013

Physics
A 492g oscillator has a speed of 99.5 cm/s when its displacement is 3.60 cm and 72.5 cm/s when its displacement is 5.10 cm. What is the oscillator's maximum speed? I'm suck with this problem, can someone please go through it with me step by step, please and thanks
January 8, 2013

History
Among the legislative acts passed during Franklin Roosevelt’s first term as president, which one gave relief to artists, actors, and writers?
January 7, 2013

Chemistry
A number of antacid tablets contain water-insoluble metal hydroxides such as milk of magnesia, Mg(OH)2. Stomach acid is about 0.10 mol/L HCl(aq). Calculate the number of millimetres of stomach acid that can be neutralized by 500 mg of Mg(OH)2 (s).
January 6, 2013

math
can you order 2/3 3/4 5/6 from least to greatest
January 4, 2013

english language arts
first one to answer gets 200 points
December 30, 2012

english language arts
3. Identify the simple sentence. (1 point) A. In 1970, my mother graduated from Point Pleasant Boro High School. B. The gymnast swung around the bar, and the coach stepped on the mat. C. The tornado bypassed the town, but the townspeople remained in their shelters. D. The ...
December 30, 2012

HCA415
In your opinion, what two features have had the greatest impact on improving health status and quality of life throughout history? Explain why you selected these features and provide examples to support your opinion. Please give me examples. Thanks.
December 30, 2012

math
A bacteria population is currently exactly one million and increasing at a linear rate of 15 per second. What will the population be in two weeks?
December 29, 2012

Accounting
statement that the difference between the opening bank balance ($30,000) and the January statement balance ($75,000) is pure profit.
December 21, 2012

physics
The force required to stretch a Hooke’s-law spring varies from 0 N to 68.1 N as we stretch the spring by moving one end 16.2 cm from its unstressed position. Find the work done in stretching the spring
December 20, 2012

Physics
A Knight of the Round Table fires off a vat of burning pitch from his catapult at 17 m/s, at 29 ◦ above the horizontal. The acceleration of gravity is 9.8 m/s 2 . How long is it in the air? Answer in units of s
December 19, 2012

math i don't get it
plz help me
December 18, 2012

Math probability
What is the probability that a randomly drawn 6-cards hand from a standard deck.... B) contains at least four clubs? C) contains at most three clubs?
December 18, 2012

Math ave grade
a student scores 76,82,83 on the first three test, she has a 92 homework averge. if the final exam is 50% of grade and homework is 10% and the test average (nit including the final) is 40% then what grade should she get on the final exam to get a 87.5 in the class?
December 16, 2012

Algebra
How do I write 7t+7/-6 divided by 4t+4/15 in lowest terms ?
December 16, 2012

Science
A spring has a force constant of 50000 N/m. How far must it be stretched for its poten- tial energy to be 22 J? Answer in units of m
December 14, 2012

Math
If P(x) is a polynomial with P(–6) = –1.12 and P(–5) = 0.6 then which of the following must be true? A. There is a zero for P(x) between x = –6 andx = –5. B. There is a zero for P(x) between x = –1.12 and x = 0.6. C. There is a zero for P(x) ...
December 14, 2012

Mathsa
4. Graph the inequality: x ≤ –2 (1 point)
December 13, 2012

Mathsa
that wat i said
December 13, 2012

Mathsa
sooooooo are u saying c is the wrong answr
December 13, 2012

Mathsa
4. Graph the inequality: x ≤ –2 (1 point)
December 13, 2012

Mathsa
what do you mean????
December 13, 2012

Mathsa
i think the andswer is c am i right steve
December 13, 2012

Mathsa
Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1)
December 13, 2012

Mathsa
cn u hepl me on this one 4. Graph the inequality: x ≤ –2 (1 point)
December 13, 2012

Mathsa
i worked it out and then posted the ? to see if i got it rght
December 13, 2012

Mathsa
Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1)
December 13, 2012

Math 6 Help!!!
help me please
December 11, 2012

math
the name not rod it's james
December 11, 2012

math
what does the algebraic expression 6/[9+r] mean
December 11, 2012

statics
A 10kg block rest on top of a 50kg block. A force of 120n is being pushed on the 10kg block at an angle of 45 deg. What is the magnitude of frictional force between the blocks? The cofficient is force is .4
December 9, 2012

college algebra, Please help!!
find the line with the given properties. Parellel to the line 7x-y= -7; containing rhe point (0,0) plz show work
December 9, 2012

college algebra-plz help
Yes, my mistake.find the center, radius and graph of circle. then find intercepts 3(x-5)^2+3y^2=12 plz show work
December 9, 2012

college algebra-plz help
a circle has the equation 3(x-5)^2_3y^2=12. Find the center and radius and graph the circle. find the intercepts, if any. plz show work
December 9, 2012

English cheack answer
yuytty
December 7, 2012

math
if sin(x+⁡α)=2cos(x-b) show tan x such that : tan x=(2-tan⁡ α)/(1-2 tan α)
December 5, 2012

Chemistry
Place the following elements in order of decreasing atomic size: selenium, chlorine, fluorine, rubidium, calcium, and sulfur.
December 2, 2012

Probability
Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn card is red; Q= the drawn card is a queen; F= the drawn card is a face card ( a king, queen or jack). Without finding the probabilities, determine if B ...
December 1, 2012

Probability
Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1 in 1300 Americans has the disease. The test correctly diagnoses the presence of pinkyitis 97% of the time and it correctly diagnoses the absence of ...
December 1, 2012

Math
Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn card is red; Q= the drawn card is a queen; F= the drawn card is a face card ( a king, queen or jack). Without finding the probabilities, determine if B ...
December 1, 2012

Math
Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1 in 1300 Americans has the disease. The test correctly diagnoses the presence of pinkyitis 97% of the time and it correctly diagnoses the absence of ...
December 1, 2012

Math
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly drawn and prizes are awarded as follows: one prize of $1,000, twenty prizes of $50 and one hundred prizes of $20. What is the expected value of this ...
December 1, 2012

College Math
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly drawn and prizes are awarded as follows: one prize of $1,000, twenty prizes of $50 and one hundred prizes of $20. What is the expected value of this ...
December 1, 2012

Statistics
2.376
November 30, 2012

healthcare commumication
What are the advantages and disadvantages of using traditional, electronic, and social media for health care communication What are the effects of HIPAA and other regulations on the use of these media for health care communication
November 30, 2012

Chemistry
The binding energy of electrons in a metal is 194 kJ/mol. Find the threshold frequency of the metal. ----------------- The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.78×10^−6 m that must be absorbed to melt 6.80 g of ice.
November 28, 2012

Calculus
Find an antiderivative of q(t)=(t+8)^5
November 27, 2012

finance
The Ault Company made a credit sale of $15,000. The invoice was sent today with the terms, 3/15 net 60. This customer normally pays at the net date. If your opportunity cost of funds is 9% the expected payment is worth how much today?
November 27, 2012

physics
A model airplane of mass 1.5 kg is attached to a horizontal string and flies in a horizontal circle of radius 5.8 m, making 2 revolutions every 8 s. (The weight of the plane is balanced by the upward “lift” force of the air on the wings of the plane.) The ...
November 25, 2012

physics
An athlete swings a 3.06 kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.82 m at an angular speed of 0.25 rev/s. What is the tangential speed of the ball? Answer in units of m/s
November 25, 2012

Math
What is the truth table for p v ( q arrow going straight across p )
November 21, 2012

Calculus
Find the area between y=e^-x and y=4(x-x^2.
November 20, 2012

Physical Sci
John used a force of 300 N to push his younger brother in a wagon for 50m. How much work did John do?
November 16, 2012

statistics
fhj
November 15, 2012

Chemisty 20
A sample of water was known to contain chloride ions. To determine the concentration of chloride ions in the water sample, a student added a solution of silver nitrate to 500mL of the water. 1.26g of silver chloride percipitate formed. What was the concentration of chloride ...
November 14, 2012

Calculus
The velocity of a particle moving along the x-axis is given by f(t)=6-2t cm/sec. Use a graph of f(t)to find the exact change in position of the particle from time t=0 to t=4 seconds.
November 14, 2012

physics
an object accelerates at 0.8m/s2 when a resultant force of 200n is acting on it what is the mass of the object
November 13, 2012

Calculus
Find an equation of the tangent line to the curve for the given value of t. x=t^2-2t, y=t^2+2t when t=1
November 13, 2012

physics RC
wow thank you! book was fairly vague on this subject
November 10, 2012

physics RC
The potential difference between the plates of a leaky capacitor, C = 3.00 microfarads., drops from 6.80 V. to 3.40 V. in 1.00 s. What is the equivalent resistance (in ohms) between the capacitor plates?
November 10, 2012

math
what is 11/15 - 7/20
November 8, 2012

English
i farted so good its not even funny... i think i cause an earthquake
November 7, 2012

fractions from least to greatest
8/7,5/7,3/7,1,7,4/7
November 7, 2012

Calc 2
Can someone help me with this one?
November 5, 2012

Calc 2
Is the series convergent or divergent? n=1 series to infinity (-1)^n * (sqrt(n)/(4+5sqrt(n)) Does this diverge?
November 5, 2012

Calc 2
Does 3/4 - 3/5 + 3/6 - 3/7 + 3/8.... Converge or Diverge?
November 5, 2012

Calculus 2
i know that the ratio test is used to figure it out. you first find the limits right?
November 5, 2012

Calculus 2
Find the radius of convergence and interval of convergence of the series. n=2 series to infinity (-1)^n * x^n+6/n+7 R= ? I= (or[ , ]or) How do i do this?? ( means convergent and [ means divergent.
November 5, 2012

Math
A frictionless spring with a 7-kg mass can be held stretched 1 meters beyond its natural length by a force of 20 newtons. If the spring begins at its spring-mass equilibrium position, but a push gives it an initial velocity of 0.5 m/sec, find the position of the mass after ...
November 4, 2012

Calc 2
This is how it looks: hopefully this clarifies it a bit. n^n/(4)^1+3*n
November 3, 2012

Calc 2
How would I do this one? n=1 to infinity n^n/4^1+3*n Does it absolutely converge, conditionally converge, or diverge? What would I do here?
November 3, 2012

Calculus 2
thanks!
November 3, 2012

Calculus 2
Sorry it's *(-5)^n and I don't think its absolutely convergent, am I correct?
November 3, 2012

Calculus 2
n=1 series to infinity (-5^n)/n^3 does it absolutely converge, diverge or conditionally converge. Would I be applying the ratio test?
November 3, 2012

math
whats the angle of one end of a 13 ft.by2 by 4 ,,2ft.high and other end level?
November 3, 2012

Computer Science
Question #1. 1. Say that L is regular over 0, 1. Is the set, {x|x = 0y,y ∈L } also regular? 2. For two regular languages (a) Is M*L=L*M for any alphabet? (b) Is it true if the alphabet is only {0,1}? (c) Is it true if the alphabet is only {0}? 3. If L is regular, is the ...
November 3, 2012

Physics
You dont have to give me the answer but explaining a way to get there would help
November 2, 2012

Physics
As part of a physics experiment, you stand on a bathroom scale in an elevator. Though your normal weight is 690 N, the scale at the moment reads 588 N. (a) Is the acceleration of the elevator upward, downward, or zero? (b) Calculate the magnitude of the elevator's ...
November 2, 2012

Physics
h=1.5 d=2
November 1, 2012

Math
How do you round 0.0694 to the greatest place?
November 1, 2012

Algebra
A clothing company makes two basic products- shirts and pants. The company has 50 labor hours per day in the cutting department and 70 hours available in the sewing department. It takes 12 minutes to cut a shirt and 15 minutes to sew it. It takes 13 minutes to cut pants and 18...
November 1, 2012

college math
two bakeries produce three types of cookies, chocolate chip, sugar, and peanut butter. the cookies are produced in batches containing some of each type of cookie. the cooks will not break up a batch, so you must buy an entire batch of cookies if you want any cookies. mrs. ...
October 31, 2012

algebra
two bakeries produce three types of cookies, chocolate chip, sugar, and peanut butter. the cookies are produced in batches containing some of each type of cookie. the cooks will not break up a batch, so you must buy an entire batch of cookies if you want any cookies. mrs. ...
October 31, 2012

Calculus 2
The question is: n=0 E to infinity 4+sin(n)/3^n Does it converge or diverge? i'm doing this hw problem and I believe it converges according to other example? Is this the case?
October 30, 2012

Calculus 2
Does Series n=1 to infinity 1/2n+1 converge or diverge? I'm thinking it converges, because p would be < 1 right? I'm a little confused.
October 29, 2012

Physics
Just got the answer a little bit ago. Treat it as a roller coaster question. It's work conservation so the total work done by gravity is the total work in the system. This causes the sphere to move forward as well as to rotate. By playing around with the kinetic and ...
October 26, 2012

physics
If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h?
October 23, 2012

physics
If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h?
October 23, 2012

physics
If a race car completes a 4mi oval track in 73.2s, what is the average speed in units of mi/h?
October 23, 2012

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