Sunday
December 21, 2014

Posts by jessica


Total # Posts: 2,715

science
Where can I find an article about the flu virus?
January 31, 2013

math
sorry i meant sphere
January 31, 2013

math
cylinder
January 31, 2013

math
What is the formula for volume?
January 31, 2013

Social Studies
no!!!! about gun control!!!
January 31, 2013

Social Studies
I didn't mean specific states, Einstein
January 31, 2013

Social Studies
I meant for the US, smart one!
January 31, 2013

Social Studies
Where can I find a National News Article?
January 31, 2013

Logarithms (math)
how do you solve for x 3.4e^(2-2n)-9=-4 I don't know what is the step by step process. Help please!
January 31, 2013

Visual Basic
if u didnt figure out...you have to reduce the fraction
January 31, 2013

Visual Basic
what does IntTemp and IntRem mean? and whats wrong with my code, i dont know whats wrong with it... Code below: Dim intNum As Integer 'the numderator is read as a whole number. Dim intDenom As Integer 'the denominator is read as a whole number. Dim inttemp As Integer ...
January 31, 2013

Math 6th grade
9/4
January 30, 2013

Chemistry
Theres an airplane with a mass of 5.4g, 305. mm long, moving at 1.8m/s. Is it classic or quantum?
January 30, 2013

Chemistry
i dont understand...
January 29, 2013

Chemistry
How many grams of AgNO3 (silver nitrate) are contained in 425 mL of a .15 M solution of AgNO3?
January 29, 2013

Chemistry
how would a dilution be performed, starting with a concentration .50 M Cacl2 solution, to obtain 250ml of a .060M solution?
January 29, 2013

Chemistry
how would a dilution be performed, starting with a concentration .50 M Cacl2 solution, to obtain 250ml of a .060M solution?
January 29, 2013

chemistry
describe how you would prepare 500 mL 0.250 M ethylene glycol (MW=62.07) from concentrated 31% (w/w) solution that has a density of 1.0350 g/mL
January 29, 2013

chemistry
describe how you would prepare 500 mL 0.250 M ethylene glycol (MW=62.07) from concentrated 31% (w/w) solution that has a density of 1.0350 g/mL
January 29, 2013

PHYSICS (most is worked)
A glass ball, ball A, of mass 6.0 g moves at a velocity of 18.0 cm/s. It collides with a second ball, ball B, of mass 8.0 g, moving along the same line of velocity of 11.0 cm/s. After the collision, ball A is still moving, but with a velocity of 10.0 cm/s. Ball A's ...
January 28, 2013

Chemistry
Using chemical equations, show how the triprotic acid H3PO4 ionizes in water. Phases, such as (l) or (aq), are optional.
January 27, 2013

Chemistry
Write the equation for the reaction associated with the Ka2 of sulfuric acid, H2SO4. Write the equation for the reaction associated with the Kb2 of carbonate, CO32–.
January 27, 2013

math
thank you
January 26, 2013

math
i meant a
January 26, 2013

math
is it F.
January 26, 2013

math
Which of the following problems can be solved using the equation x-9=15? A. Allison is 9 years younger than her sister Pam. Allison is 15 years old. What is x, Pam's age? B. David's portion of the bill is $9 more than Jaleel's portion of the bill. If Jaleel pays $9...
January 26, 2013

physics 2
A charge, q1, of +4.4 micro-coulombs and another unknown charge, q2, are surrounded by a surface. The total flux through the surface is -9.2 x 106 (N m2)/C. These charges are now placed on the x axis. q1 is placed at x = 0, and q2 is placed at x = +114.51 cm. What is the ...
January 25, 2013

Mathh
Thank you :)
January 25, 2013

Mathh
19-(3-x) = 5x. Can u show your work please? I know how to solve questions like these but couldnt figure it out with that x after the 5 '
January 25, 2013

chemistry
if a 3.72 gram sample of nitrogen occupies a 2.50 liter container at 1.08 atm, what is the temperature in Celcius?
January 24, 2013

chemistry
a racing tire has a pressure of 148 kPa at 19 degrees Celcius. What willthe pressure be at 42 degrees Celcius, assuming the volume remains the same?
January 24, 2013

chemistry
what is the mass of the precipitate formed when 45.0 milliliters of .250 M barium chloride solution reacts with 2.00 grams of copper(II) sulfae pentaydrate?
January 24, 2013

chemistry
What mass of solid magnesium hydroxide is needed to neutralixe .385 Liters of 2.5 M nitric acid?
January 24, 2013

chemistry
what volume of .025 M hydrochloric acid will neutralize 150 milliliters of .0133 M sodium hydroxide?
January 24, 2013

chemistry
what mass of water is expected when 5.80 grams of sodium carbonate reacts with excess sulfuric acid? what volume of gas is produced at STP?
January 24, 2013

chemistry
what mass of water is expected when 5.80 grams of sodium carbonate reacts with excess sulfuric acid? what volume of gas is produced at STP?
January 24, 2013

floral design
it's b. Triad just took the test
January 24, 2013

Math
What is a good reference to use when estimating the mass of a small object?
January 23, 2013

Chemistry
If u place a metal cube in beaker as a catalyst, what effect will it have on the reaction? And why?
January 23, 2013

Pre algebra
50 * 6 = 300ft
January 22, 2013

Math
An estimate of the mass of a new, unsharpened pencil is about __________. I think it's about 35 grams? Fill in the blanks. A good reference to use when estimating the mass of a small object is _____. It has a mass of about_________. Thank you!
January 22, 2013

math
Express Courier Service has found that the delivery time for packages is normally distributed with mean 14 hours and standard deviation 2 hours. What should be the guaranteed delivery time on all packages in order to be 95% sure that the package will be delivered before this ...
January 21, 2013

Discrete Math
ok that makes sense, thanks.
January 21, 2013

Discrete Math
Find z so that 5% of the area under the standard normal curve lies to the right of z. the answer according to the book is 1.645, anyone got any ideas on how to get this?
January 21, 2013

Science
How do you create a bar graph for science?
January 21, 2013

physics 2
Three charges are placed on the y axis. One charge of -3.2 micro-Coulombs is placed at y = 0, another charge of +2.6 micro-Coulombs is placed at y = -0.29 meters, and another unknown charge is placed at y = +0.51 meters. The total force on the charge at y = 0 due to the other ...
January 18, 2013

physics 2
Two identical positive charges are placed 15 cm apart and the magnitude of the electric force between them is 5.4 Newtons. They then exchange charge (one charge loses some electrons and the other gains the same amount of electrons), but they both still remain positive. After ...
January 18, 2013

physics 2
A charge of -6.8 micro-Coulombs is placed at x = 0, y = 0. A charge of -18.5 micro-Coulombs is placed at x = 0, y = +37 cm. Another charge of -12.9 micro-Coulombs is placed at x = +17 cm, y = 0 cm. What is the angle the total electric force on the charge at x = +17 cm, y = 0 ...
January 18, 2013

algebra
the ratio of two integers is 9:7 their sum is 1024 fint the two integers?
January 17, 2013

AP Calculus
Oil leaks out from a damaged oil tanker and forms a circle around the tanker. If the radius of the circle of oil is increasing at 25m/min, find the rate of change of the area when the radius is 20km
January 15, 2013

History, social studies :)
The mughal empire gave trading rights to several EUropean countries, what assumptions about the power of those countries does this show ??
January 14, 2013

math
Zaineb is deciding whether to buy a stereo at $695 plus GST and PST now, or to invest the money to buy the stereo in a year. Her account pays 7.35% per annum, compounded monthly. If she can buy the stereo at the same price next year, how much would she save by the investing ...
January 13, 2013

chemistry
If 8 cm3 of 9.9 mol m-3 Fe(NO3)3 are mixed with 10 cm3 of 1.0 mol m-3 KSCN solution in a 20 cm3 volumetric flask and water is added to bring the total volume up to 20 cm3, what is the concentration of the Fe3+ ions (in mol m-3)?
January 9, 2013

math
For every 3 boys at soccer camp there are 2 girls. If there are 20 children at soccer camp.How many are girls?
January 7, 2013

Social studies
Plz help
January 5, 2013

Social studies
Why did the portuguese and other europeans want slaves??
January 5, 2013

algebra 2
what is the y-intercept, the x-coordinate of the vertex and the equation of the axis of symmetry of the problem f(x)=2x^2
January 2, 2013

Chemistry
Calculate the number of grams of solid Mg(OH)2 that will dissolve in 650 mL of water. For Mg(OH)2, Ksp = 1.5 x 10-11. Assume no volume change for the solution when the solid is added. A. 0.0093 B. 0.0059 C. 0.012 D. 0.019 E. 0.060 I got 0.0059, but I'm not sure if this is ...
December 26, 2012

ECC
choie 1
December 19, 2012

Chemistry
What is the name (NOT THE NUMBER) of the group whose elements carry a neutral charge?
December 16, 2012

Chemistry
A ___________ means that 2 or more substances have combined, yet the 2 substances retain their chemical identity?
December 16, 2012

Chemistry
A ___________ means that 2 or more substances have combined, yet the 2 substances retain their chemical identity?
December 16, 2012

math 7 Help please!!!! ASAP!!!
Ok... I'll ask my teacher. Yes. I am in Connections Academy... why?
December 14, 2012

English writing
Yes my thesis statement is about the ways that the theme is expressed throughout characterization, setting, and by the characters actions.
December 13, 2012

English writing
Plzzzzzz fast
December 13, 2012

English writing
Please ASAP can someone give me an introductory paragraph on the Truman show and the giver with the title and author and the thesis statement ? Please just an idea I need help
December 13, 2012

english
Huswifery uses what kind of poetic device?
December 12, 2012

health
what is meant by accreditation and quality improvement practice
December 12, 2012

MATH
4 5/7 divided by 3 2/3
December 10, 2012

health
home work help-case study? you are currently working with an organisation that is dealing with some disabled clients. you have been assigned to jack, a 65 year old man with intellectual disability.you have been imformed by other staff that jack has a history of aggresive ...
December 10, 2012

disease
how can discriminatory attitudes impact on people with disability
December 10, 2012

math
Bernie put in a garden in her back yard. The garden has a perimeter of 272 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal ...
December 9, 2012

Physics
An airplane has an effective wing surface area of 17 m2 that is generating the lift force. In level flight the air speed over the top of the wings is 63.9 m/s, while the air speed beneath the wings is 58.0 m/s. What is the weight of the plane? Answer in N
December 8, 2012

Math
Jordan starts at his home and bikes along a country road. He bikes at a constant speed. Twenty minutes later he passes Stephanie's house; he knows he is 2 kilometers away from his home. Another one of his friends, Jacob lives 4 kilometers further down the same road. A) How...
December 4, 2012

Physics
@Henry: Where the heck did you get 270??
December 3, 2012

Physics
A compound known as cubic boron nitride has a similar structure to that of. A diamond .wat properties do u expect it to have??
December 3, 2012

health
what might be collected on a social profile
December 3, 2012

PLEASE HELP ME!
A 68.6-kg circus performer is fired from a cannon that is elevated at an angle of 43.6° above the horizontal. The cannon uses strong elastic bands to propel the performer, much in the same way that a slingshot fires a stone. Setting up for this stunt involves stretching ...
December 1, 2012

English
practical
November 30, 2012

Math
Expand*
November 28, 2012

Math
how do you solve (17 - L)^2
November 28, 2012

Physics
A student sits on a rotating stool holding two 3.4-kg objects. When his arms are extended horizontally, the objects are 1.0 m from the axis of rotation and he rotates with an angular speed of 0.75 rad/s. The moment of inertia of the student plus stool is 3.0 kg · m2 and...
November 27, 2012

Math
It is a . Because ratios not only have to always be even
November 27, 2012

Microeconomics
The Burning Belly Taco Stand is considering buying some new special ovens. Each oven will cost $1,000, and will last for 2 years before it wears out. The ovens will be used to make the Taco Stands famous "Burning Ring of Fire" tacos, and will generate a value of ...
November 27, 2012

math calculus
What value must be defined for f(4) to remove the discontinuity of this function at x = 4? f(x)= x^2-16/x-4 0 4 -4 8 -8
November 27, 2012

math
Home work help plz a)what would be the cost of the activity in the first week b)what would be the cost of the activity each subsequent week Mrs ogden has heard about aqua aerobics from her sister in law. she wants to join her sister in law and her friends in classes three ...
November 27, 2012

calculus
its going to be 32 hun
November 26, 2012

Microeconomics
The Burning Belly Taco Stand is considering buying some new special ovens. Each oven will cost $1,000, and will last for 2 years before it wears out. The ovens will be used to make the Taco Stands famous "Burning Ring of Fire" tacos, and will generate a value of ...
November 26, 2012

Math
A rock is thrown straigh down from a height of 480 feet with an initial velocity of 16 feet per second. How long does it take to hit the ground and with what speed does it hit the ground?
November 25, 2012

Chem
Hypothesis: A prediction of what you think the results of the project will be. Write your hypothesis before you begin the experiment and, if the experiment has more than one part, you will need a hypothesis for each section. Remember to create an ‘if-then’ statement...
November 25, 2012

chemistry- What does this symbol mean
For an equation u can place electrons e-
November 25, 2012

chemistry- What does this symbol mean
U mean for the equation?
November 25, 2012

chemistry- What does this symbol mean
I don't understand what u mean with the chart but HNO2= 1 hydrogen atom 1 nitrogen atom and 2 oxygen atoms oh and electrons are the opposite of protons u can't place them with symbols like HNO2
November 25, 2012

chemistry- What does this symbol mean
Electrons have negative charge
November 25, 2012

chemistry- What does this symbol mean
Electrons
November 25, 2012

Math please help! Urgent
Thank you :D
November 25, 2012

Math please help! Urgent
Find the height of an equilateral triangle with sides of length 6 cm ' please show ur work
November 25, 2012

fraction maths
I'll help' all u need to do is ink about which fraction greater than 4/5 and it's sum gives 25 :)
November 25, 2012

Novels
Any advice for a book to read"" for a 13 year old? :) something interesting please
November 24, 2012

health
what is the cause and effect of tooth decayin elderly client
November 23, 2012

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