Saturday
August 30, 2014

Posts by jessica


Total # Posts: 2,578

English
What all should I include in my intro paragraph for a 5 paragraph essay? My topic is about how people take eyesight for granted.
September 8, 2011

English
winter and carnival need to be capitalized because it is the name of a specific carnival.
September 8, 2011

Chemistry
They are both the same thing?
September 8, 2011

Math linear functions
The line through (-10, 2) which is perpendicular to the line y=8x+9 has slope -1/8 and y-intercept __?
September 7, 2011

Math
An equation of the line through (6, -8) which is parallel to the line −8x−9y=6 is __?
September 7, 2011

Math
An equation of a line through (-10, -6) which is perpendicular to the line −5x+8y=−1 is __?
September 7, 2011

college math
given the bar graph below create a grouped frequency distribution. the graph is numbered up the side by twos to 22, along the bottom there are countries that go up to a number. united states up to 10 argentina up to 22 united kingdom up to just under the ten phillipines is ...
September 6, 2011

History
Thanks so much Ms. Sue.This is what I have so far can you tell me what you think and if you have any more ideas that i can add to make it better would be great. The French and Indian War left Great Britain in much debt. To pay off war debt and cover the cost of administering ...
September 6, 2011

History
Was there a single event that caused the Revolutionary War and was that war avoidable?
September 6, 2011

physics
A traditional unit of length in Japan is the ken (1 ken = 1.97 m). What is the volume of a cylindrical water tank of height 7.17 kens and radius 6.21 kens in cubic kens
September 1, 2011

physics
it didnt work
September 1, 2011

physics
Earth has a mass of 5.98 × 1024 kg. The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth?
September 1, 2011

physics
how am i suppose to know how much the mistaken tourist believe she needs?
September 1, 2011

physics
A tourist purchases a car in England and ships it home to the United States. The car sticker advertised that the car's fuel consumption was at the rate of 40 miles per gallon on the open road. The tourist does not realize that the U.K. gallon differs from the U.S. gallon: ...
September 1, 2011

physics
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of 8.464 g, is pressed into a leaf of 5.036 ìm thickness, what is the area (in m2) of the leaf? (b...
September 1, 2011

chem
because of the electrons they share
September 1, 2011

physics
A person on a diet might lose 1.5 kg per week. Express the mass loss rate in milligrams per second, as if the dieter could sense the second-by-second loss
September 1, 2011

geometry
@ Ms.Sue 6cm
August 31, 2011

geometry
a circle has a circumference of 6c. Find the diametermof the circle
August 31, 2011

geometry
rectangles length is 3 more than twice its width and has a perimeter of 30 centimeters find the dimensions
August 31, 2011

Physics
Two point charges, Q1 = -7.0 and Q2 = 2.0 are located between two oppositely charged parallel plates, as shown in the figure . The two charges are separated by a distance of x = 0.33m . Assume that the electric field produced by the charged plates is uniform and equal to E = 6...
August 29, 2011

chemistry
B-Mercaptoethanol is available as a 98% (w/w) solution, sp gr 1.114. What voulume is needed to prepare 0.100 L of a 50.0 mM solution. fw=78.13
August 28, 2011

Chemistry
given 6.7 grams of sodium acetate and 6.7 g of magnesium acetate, calculate the number of moles of acetate in sodium acetate. calculate the number of moles of acetate in magnesium acetate.
August 28, 2011

chemistry
if there are 8.0 mg of Na+ contaminant per liter of water sample, calculate the number of moles of Na+ per liter. Calculate the weight of Na+ in a 1L sample of water that contains 1.00 x 10^2 umol Na+/L
August 28, 2011

geometry
Angle C is an inscribed angle of circle P. Angle C measures (-3x - 6)° and arc AB measures (-4x)° . Find x. circle P with points A, B, and C on the circle and inscribed angle A C B drawn Question 4 answers -2 -4 -6 -8
August 26, 2011

Chem
Well I got Iron(3)hydroxide as a solid and NaNo3 as aqueous..... Not sure if that is right but that's my best guess as of right now....
August 24, 2011

Chem
Solid ferric nitrate and aqueous sodium hydroxide are combined with water in a test tube. A brown to red precipitate forms in the test tube. Write a complete chemical reaction that accounts for the formation of the solid.
August 24, 2011

Chemistry
A stock aqueous solution contains 348.29 grams of NaCl per 1.000L. 68.00mLs of water is added to 10.00mLs of the stock solution. What is the molarity of the dilution???
August 24, 2011

geometry
rectangles length is 3 more than twice its width and has a perimeter of 30 centimeters find the dimensions
August 21, 2011

geometry
Yeah it can. Point J is the mid-point already figured it out..
August 21, 2011

geometry
suppose point J is between points H and J. Let HJ=2x+5,JK=3x-7,and KH=18. Find the length
August 21, 2011

anatomy
where are the shoulders relative to these parts? 1. throat (inferior) 2. hip (superior) 3. ears (inferior) 4. hands (superior) 5. eyes (inferior) will someone please take a look at my answers and tell my if i am right
August 19, 2011

math
In Philadelphia the number of hours of daylight on day t (where t is the number of days after Jan. 1) is modeled by the function L(t)= 12+2.83sin(2pi/365(t-365)) A) Which days of the year have about 10 hours of daylight? B) Which days of the year have more than 10 hours of ...
August 13, 2011

calc
sin(4x)/sin(x)=4cos(x)cos(x) verify the identity
August 13, 2011

calculus
Consider a gun fired from a tower 96ft above the ground. The angle of elevation of the gun is 60 degrees, and its muzzle velocity is 1600 ft/sec (also gravity in this equation is 32 ft/sec^2). a)When does the bullet hit the ground? b)Write a parametric equation that models the...
August 13, 2011

physical science 101
A) h=0.5gt^2 40=0.5(9.8)(t^2) 40=4.9t^2 t^2=8.16 t=2.86s
August 11, 2011

COM155
Write two paragraphs about how interest rates affect our purchasing decisions. High interest rates make us stop and think, do we need this item? Is it a necessity? When interest rates are high people tend to finance things less. Why pay a lot in interest when you can just ...
August 9, 2011

History
The answer to the first question is TRUE! I hope i was able to help you!!!
August 9, 2011

health
what are possible impact of not logging off or exit from the patient's record
July 30, 2011

history
what new ideas in technology occurred during the Greco-Roman civilization?
July 29, 2011

Computers
Give an example of where you might use Word, Excel, Access, and Powerpoint other than computer class?
July 29, 2011

Math
find a quadratic equation having 3+root3 and 3-root3
July 26, 2011

math
A library crew can shelve books in six hours. Another crew can do the job in four hours. If the first crew begins and is joined by the second crew one hour later, how many hours will it take to finish the job?
July 26, 2011

math
find a quadratic function whose graph has a max of 25 and x-intercepts of -3 and 2.
July 26, 2011

math
when graphing greater than, less than, etc. do you shade and if you do which way do I shade?
July 26, 2011

math
whats interval notation?
July 26, 2011

Bio
A biologist marked a cell that he knew was about to undergo meiosis. A short time later he observed the four cells produced by the original marked cell; their chromosome numbers were 17, 17, 18, and 16. He knew these numbers indicated that something abnormal had occurred ...
July 24, 2011

independent clause
Identify the : I stood at the window, but I didn't see him.
July 24, 2011

HCA/210
For my final project, I have to develop a unique proposal that describes a new health care system. My question is, is this assignment just referring to the health insurance aspect of the health care system?
July 11, 2011

Chem
a blue solution of copper(II) sulfate is mixed with a colerless solution of sodium phosphate and a blue percipitate is formed. Using solubility rules predict the formula of the percipitate
July 6, 2011

health
compare the HITECH requirements with the goals and strategies of the original strategic framework
July 5, 2011

math
This is the problem given: The side of a hill faces due south and is inclined to the horizontal at an angle alpha. A straight railway upon it is inclined at an angle beta to the horizontal. If the bearing of the railway is gamma east of north, show that cos(gamma) = cot(alpha)...
July 5, 2011

Chem
10 grams of sodium chloride is treated with excess silver nitrate AgNO3 + NaCl =AgCl +NaNO3.. HOW MUCH IS PERCIPITATED
July 4, 2011

Accounting
you have just won the National Publisher's Sweepstakes. You have two options, you can receive ten, $500,000 semiannual payments starting today, or you can take your winnings in a lump-sum payment now based on 7% annual interest rate. Determine the equivalent lump-sum ...
July 4, 2011

grammar
interrogative
July 3, 2011

History
THANK YOU =)
July 3, 2011

History
Hello Any help would be greatful...TIA 1..What is the Agrarian Myth According from Hofstater? 2. When did the Myth 1st appear and whom was responsible for it? 3.Was there ever a time in America History when conditions corresponded to the myth? Thanks
July 3, 2011

Science
Part 1 Which of the following is a redox reaction? a. H2CO3 (aq) + 2NH3 (aq) → 2NH4+ (aq) + CO32- (aq) b. 2VO3- (aq) + Zn (s) + 8H+ (aq) → 2VO2+ (aq) + Zn2+ (aq) + 4H2O (l) d. Zn(NO) (aq) + 2NaOH (aq) → Zn(OH) (s) + 2NaNO (aq) part 2 For the redox reaction in...
June 30, 2011

Chemistry
The reaction for the metabolism of sucrose, C12H22O11, is the same as for its combustion in oxygen to yield CO2(g) and H2O(l). The standard heat of formation of sucrose is -2230 kJ mol-1. Based upon data in Table 6.2 and problem 6.75 the amount of energy (in kJ) released by ...
June 29, 2011

Chemistry
Calculate the concentrations of each of the ions in 0.25 M Fe(NO3)2. a) [Fe2+], M b) [NO3-], M
June 27, 2011

science
Which of the following best describes plasma? A) a group of super cooled particles with very low kinetic energy B) an ionized group of particles with low kinetic energy C) a gas that becomes a solid without first becoming a liquid D)an electrically charged gas with very high ...
June 23, 2011

statistics
Build a 95% confidence interval for the mean of the population from the given sample data. Assume that the population has a normal distribution. 16.4, 15.7, 16.2, 15.8 17.1 15.8, 15.9, 16.0, 16.4 15.0
June 22, 2011

statistics
Use the margin of error E = $10, confidence level of 99%, and ó = $40 to find the minimum sample size needed to estimate an unknown population mean, .ì
June 22, 2011

statistics
The weights of certain machine components are normally distributed with a mean of 9.75g and a standard deviation of 0.08g. Find the weights that separate the top 5% and the bottom 5%.
June 22, 2011

statistics
A bank’s loan officer rates applicants for credit. The ratings are normally distributed with a mean of 175 and a standard deviation of 15. If an applicant is randomly selected, find the probability of a rating that is between 150 and 200.
June 22, 2011

statistics
A final exam in Math 157 is normally distributed and has a mean of 75 with a standard deviation of 12. If 36 students are randomly selected, find the probability that the mean of their test scores is greater than 70.
June 22, 2011

chemistry
Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process.
June 18, 2011

math
The graph of f (x)₌√x undergoes a vertical stretch by a factor of k, k›1.The vertically stretched graph would look the same if it had been horizontally compressed by a certain factor. Determine this factor
June 18, 2011

chemistry
How much heat flows from 20kg of 90 degrees water placed in contact with 20kg of 10 degrees water, producing a final temperature of 50 degrees? c=4186j/kgC
June 16, 2011

Algebra
A can of soda is placed inside a cooler. As the soda cools, its temperature T(x) in degrees Celsius is given by the following exponential function, where is the number of minutes since the can was placed in the cooler. T(x)=-22+44e^-0.03x Find the initial temperature of the ...
June 15, 2011

chemistry
Can you please explain the buffer system used in buffered aspirin? For example, what is the chemical formula of the buffer that is used? How does it react with the aspirin?
June 14, 2011

statistics
researchers believe a new sleep on average 10 hours per night ( µ = 10), with a population standard deviation of 2.3 hours(s=2.3) it is assume that the number of hours of sleep per night is normal distributed , however you think this drug causes people to sleep less than...
June 13, 2011

chemistry
How could you separate lauric acid from a-naphthol?
June 12, 2011

Algebra
Find the average rate of change of f(x) 3x^2-4x from x=3 to x=6 . Simplify your answer as much as possible.
June 9, 2011

College Algebra
Write the following as an radical expression. v^(4/5)
June 8, 2011

chemistry
if 10 ml of a 2M standard solution is used to neutralize 20mL of an unknown base what is the molarity of the unknown and is this standard solution an acid or base?
June 7, 2011

Math
Can (4x^3)y - 9xy^3 factor?
June 7, 2011

geometry
whats the volume of a sphere with diameter 30ft with the answer in the terms of pie?
June 6, 2011

social studies
A study of the causes of the American Revolution of 1776, the French Revolution of 1789, and the Russian Revolution of 1917 best supports the generalization that revolution is most likely to occur when
June 6, 2011

History
One of the most effective forms of resistance that slaves employed against their masters was A. earning money to buy their freedom. B. not having children. C. working slowly. D. open rebellion. I believe it's C, my book doesn't explain it in great detail so i'm ...
June 5, 2011

Chemistry
Thank you DR Bob
June 1, 2011

Chemistry
Hello Dr Bob,, I am still a little confused is this what it will look like 13.5/2.70=5 then take 5*5*5=125
June 1, 2011

Chemistry
The density of aluminum is 2.70g/cm3. If a cube of aluminum weighs 13.5 grams whatis the length of the edge of the cube. I need help with the formula to figure this one out.
June 1, 2011

Math
Find the surface area of a right octagonal pyramid with height 2.5 yards, and its base has apothem length 1.5 yards.
June 1, 2011

geometry
equation x+3y+2z=6 (6,2,3) how would you sketch the plane on a set of axes? is it supposed to look like a triangle? becuse my paper says it makes a trangular pyramid. i dont get it
May 31, 2011

statistics
A professional gambler claims that he has loaded a die so that the outcomes of 1,2,3,4,5,6 have corrresponding probabilities of 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6. Can he actually do what he has claimed? Is a probablility distrubion described by listening the outcomes along with...
May 29, 2011

eth 125 week7
Part I Complete the chart following review of relevant information provided in Chapters 9 and 10 of our reading material. The first three groups are identified for you. Select a fourth group considered as Hispanic/Latino from the readings in order to complete the assignment. ...
May 28, 2011

Math
So the question is basically asking which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Lanai - 65 - Lanaihale - 3,370 Maui - 110 - Haleakala - 10,023 Hawaii - 190 - Mauna Kea - 13,796 Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi...
May 25, 2011

Chemistry
Calculate how much heat 32.0 g of water absorbs when it is heated from 26.0°C to 73.5°C.
May 25, 2011

history
Describe the treatment of US citizens of japanese descent during wwII.
May 24, 2011

history
describe the treatment of us citizens of japanese descent during world war II.
May 23, 2011

Math
How do you solve 7x - (-6 - 2x) - x
May 23, 2011

Chemistry - DrBob PLEASE
A glass of ice water was made by adding six 25 g ice cubes to one liter of water. If the water was initially 25C and the ice cubes were initially at -15C, what is the final temperature of the ice water? (I don't know how to get it.)
May 23, 2011

Chemistry
A glass of ice water was made by adding six 25 g ice cubes to one liter of water. If the water was initially 25C and the ice cubes were initially at -15C, what is the final temperature of the ice water?
May 23, 2011

POETRY, PART 1
From what I have gathered in my Penn F literature book it is B. Both connotative and denotative.
May 20, 2011

statistics
The following linear equation ,y= b0 = b1x, is a regression line with y-intercept b0 and slope b1.
May 19, 2011

statistics
The value of the correlation coeficient can be between 0 and 1.
May 19, 2011

social studies
Who had the smoothest transition from communism
May 18, 2011

Chemisty
What is the Net Ionic Equation for the following: a.) NH4Br, NaOH b.) Li2CO3, HClO4 c.)Pb(NO3)2, Kl
May 18, 2011

Math
Divide. Express your answer in simplest form. 1 3/5 , 1/4
May 17, 2011

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