# Posts by me

Total # Posts: 1,367

maths/physics
4 meters / (seconds squared)

helping abused children

accounting
On December 31, 2008, University Theatres issued \$500,000 face value of bonds. The stated rate is 6 percent, and interest is paid semiannually on June 30 and December 31. The bonds mature in 10 years. Required: If required, round your answers to the nearest whole dollar. ...

science**
2)expansion of the skin's blood vessels

Physics
What hanging mass will stretch a 1.9-m-long, 0.54mm - diameter steel wire by 1.2mm ?

mathematics
Three times the reciprocal of the sum of two consecutive odd integers is 3/20. Find the two consecutive off integers.

MATH
michael borrowed \$ 700 from his father. He promise to pay back the \$700 with interesd in 9 moths. If michael pays his father 6% simple interest how much does he owe at the end of 9 moths?

algebra
x=3-3y x+3y=-6 need to find the graph points

Chemistry 12

chemistry
i reallly need help with combining the gas laws. here are a few questions i am struggling with if anyone could please help! 1. A steel container holds 750.L of O2 gas at STP. a) how many moles of O2 does the container hold? b)how many grams of O2 does the container hold? c) if...

chemistry
thank you very much! if you could help me with this as well i would be very appreciative! A steel container holds 750.L of O2 gas at STP. a) how many moles of O2 does the container hold? b)how many grams of O2 does the container hold? c) if the pressure were reduced by ...

chemistry
i have two questions. 1. generally speaking, if the pressure of a gas is tripled, what will happen to its volume? 2. If I take 2000L of gas at STP and squish it into a gas 15.0L gas cylinder, what will be the pressure inside the cylinder, assuming the temperature is kept ...

chemistry
I need walked through this question, please. In testing for the efficacy of an antacid compound, 5.0g of hydrochloric acid is mixed with 24.0g of magnesium hydroxide. Is this enough base to react with all the acid?

chemistry
how do you know what the actual yield will be?!

chemistry
if unlimited iron is available to react with 34.0g of copper (II) chloride, how many g of copper metal would be produced?

Socials Studies
In my opinion, From looking at it from the rebels point of view, they felt justified in taking up arms against the official government. In both the Upper and Lower Rebellions of 1837, rebel forces felt that the official governments were not being responsive to their needs. ...

spanish
ur mum

math
1) The vocabulary is confusing 2) You are stupid 3) 3 + 3.5 + 7 = 13.5

math
9 apples/ 14 students a ratio or a rate ?

math
28

geometry 2
32 × 32 28 × 28 24 × 24 20 × 20 16 × 16 12 × 12 8 × 8

geometry 2
Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches. She would like to ...

Program planning and evaluation
Please respond to the following questions either by writing the design name or by describing the design using standard notation (X = program, O=observation, R= random assignment). For each design, please discuss all threats to internal validity. 1. a. Design: Single group ...

physics
Noob

physics
noooob

math probability
12/15

Social Studies
copy it then print its esay

chemistry
how many mL of 0.50 M ammonia would be needed to react with 1.0 L of 0.75 M HClO4

chemistry
idk

xbis/219
Ms. Sue, then don't answer the question. If you want to know then ask.

physics
i think it should be something like an athlete cause an athlete is a person and people that do things are welfare so an athlete is a good example

math/geometry
Two boxes must be wrapped. Both boxes are right rectangular prisms. The smaller box has a length of 12 inches. The larger box is similar to the first and has a length of 48 inches. Find the ratio of the amount of paper needed to wrap the large box to the amount of paper needed...

music appreciation
The overture for A Midsummer's Night Dream is a one-movement work ________? a.in sonata form . b. famous for interplay of piano,violin and cello. c.known for massive sound of the orchestra. d. that presents the same musical idea in each strophe of the text. thank you

PHYSICS
You have to convert km to m

Chemistry
get the weight of N2 into kg

geometry
Suppose line AB is parallel to line MN.Name all angles congruent to angle 8. In the figure at the right, x is parallel to y.List all angles that are congruent to angle 1. If the measure of angle 5 is 45 degrees, what are the measures of the other angles. This is on page 472 in...

math
a rectangle has a perimetr of 30m, if the length is at least twice the width,find the range of possible values of the width of the rectangle.

music appreciation
The Baroque period began around the year ___?

english
How long did the journey to Virginia actually take Smith and the colonists?

AP Physics

math
i don't get this explain please. k

Physics/ electricity
Isn't it just suppose to be 9.3nc instead of 29.3nC?

Physics/ electricity
Consider a square of side length a = 9.7 cm with charged particles at each of the corners. Three of the particles carry +9.3 nC of charge while the fourth particle carries -9.3 nC. In volts, what is the electric potential at the center of the square? Hint: Choose the potential...

math
solve by elimination 5x+3y+5z=-16 2x+5y-z=-26 x-4y+2z=10

English
hah, i agree with kat. its something to do with chocolate that's all im gonna say...

English
*high fives kat*

english
On Monday April 23, 2012 at approximately 6:15 pm I Officer John Doe received a radio call to 1630 Featherstone Ave, Auburn Hills, Michigan 48326 in reference to a domestic violence call. Upon my arrival at the call location I was met at the door by the caller Rose Smith who ...

Accounting 280
E15 1

chemistry
As you saw in Part B, the vapor above the cyclohexane-acetone solution is composed of both cyclohexane vapor and acetone vapor. What mole fraction of the vapor above the solution, X(cy) vapor), is cyclohexane?

chemistry
A 20mg sample of a compound is dissolved in 5.0 mL of water and extracted with 2.5 mL of heptane. After seperation of the layers, the heptane layer is found to contain 15 mg of the compound. What is the partition cofficient of the compound, K(hept/water)

chemistry
A 20mg sample of a compound is dissolved in 5.0 mL of water and extracted with 2.5 mL of heptane. After seperation of the layers, the heptane layer is found to contain 15 mg of the compound. What is the partition cofficient of the compound, K(hept/water)

Physics
Hello, I have e problems with dis question A harmonic wave on a string moves along the x-axis according to: (x,t) =5.0 (cm) sin[ (2.5m^-1) x - (63s^-1) t ] At x = 1.0 m when t = 2.2 s the speed of the oscilations on the string is closest to ... me thought that you can just ...

Chemistry
If an Alka-Seltzer tablet has a mass of 4.953 g, and an Erlenmeyer flask containing an HCl and water solution weighs 160.351 g, what is the percent by mass of NaHCO3,in the tablet if the Erlenmeyer flask and its contents weigh 164.027 g after reaction? Please include the ...

math
In 2001, Windsor, Ontario received its maximum amount of sunlight, 15.28 hrs, on June 21, and its least amount of sunlight, 9.08 hrs on December 21. a. Due to the earth’s revolution about the sun, the hours of daylight function is periodic. Determine an equation that can ...

Math
State domain, range, period, vertical asymptotes, zeros, symmetry and y-intercept of y = -2tan(3x + 180) + 3

Math
Describe how the graph of y + 3 = 2sin(3x + 90) compares to the graph of y = sin(x)

Organic Chemistry
Thanks! and you do mean that it is 0.0123 moles, therefore I would plug in 3 for M, and 0.0123 for moles so that implies 3 x L = 0.0123 --> 0.0123/3 = L = .0041 L ~ 4.0mL ?

Organic Chemistry
I realize this is a general chemistry stoichiometry question, however I can not fully grasp it. I am supposed to calculate the theoretical amount (volume) of 3M sodium hydroxide (NaOH) needed to convert 1.5g of benzoic acid to its salt. I got 0.012 moles of bezoic acid present...

Chemistry
The format came out wrong - the double bond of oxygen to carbon occurs at the first apex.

Chemistry
Hi I hope you can understand this...the Na ion is attached to the oxygen using ionic bonding. The \/ are meant to symbolize the hydrocarbon chain. The || is a double bond that bonds oxgen to carbon. O || Na O/\/\/\/\/\/ + CaCl2 -> ? + NaCl To give you some background, it ...

pre-algebra

math
help find common denominator

math
n+2/3=1/9

math
are you there?

math
how do you find the common denominator

math
n+2/3=1/9

math
4=4/9+y

math
Solve Equation by Adding or Subtract fraction using Addition property of Equality or Subtraction property of equality. x-5/6 = 1/10

dressmaking
Mrs. Shotto was once one of your regular customers, but she hasn't asked to have any garments made in approximately one year. You note she has lost weight. She would like you to make her a special silk blouse to replace a favorite blouse that has worn out. The blouse has ...

10.38

Iron and Sulphur reaction
I don't know

chemistry
what volume will 5.00g of dinitrogen oxide gas occupy at 50.0 degrees celcious and 12.0 atmosphere

chemistry
what is the mass of 250.0 ml gas at 25 degrees celcious at 0.359 atmosphere

chemistry
what is the density of methyl gas at 25 degrees celcious and 1.50 atmosphere.

calc
forget it :) i figured it out! thanks!!!!

calc
i just looked at it and tried to figure it out but i just don't get it. in the example you gave me there was already a rate that the air was being pumped, but in mine there is none. it's asking for the rate. I just don't get it

calc
im so confused :( Willie Makit blows up a spherical balloon. He recalls that the volume is V=4/3Pi*r^3. In order for the radius to increase at 2cm/sec, how fast must Willie blow air into the balloon when the radius is 3 cm?

organic chemistry
Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions, even through nitration is an electrophilic aromatic substitution reaction. EXplain.

organic chemistry
In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated. Why is no diacetylferrocene produced in whcih both acetyl group are on the same aromatic ring?

organis chemsitry
what is the main structural feature of the azo dyes that causes them to be colored compounds.

Organic chemistry
1. In in experiment, sodium bisulfite solution is added at the end in order to destroy the unreacted bromime. What reaction is occuring here? Is HSO3- acting as an oxiding or reducing agent? Write a balanced equation as part of your answer.

Organic Chemistry
If 3-bromo-1-propanol is treated with NaOH, a compound of molecular formula C3H6O is formed. suggest a structure for this product.

physics
Please help me to solve this problem about electic potential : An electric car accelerates for 7.0 s by drawing energy from its 290-V battery pack. During this time, 1200 C of charge pass through the battery pack . Find the minimum horsepower rating of the car.

physics
Please help me to solve this problem about electic potential : An electric car accelerates for 7.0 s by drawing energy from its 290-V battery pack. During this time, 1200 C of charge pass through the battery pack . Find the minimum horsepower rating of the car.

physics
A car starts from rest accelerates with a constant acceleration of 1.5 m/s squared. HOw far does the car move in 4 seconds?

math
What does a snowflake have to do with math?

statistics
A newspaper survey found that 65% of readers found online tutorials useful. If a random sample of 9 readers is selected, compute the standard deviation of the probability distribution.

social studies
think and review and crossword for week 13

sewing
What is a wood clap used for in sewing ? thank you

Math
\$102,400

For A- m1v1 = m2v2 (.015kg + .25kg)V = .015kg + 200m/s v = 11.3m/s (1/2)mv^2 = mgh so h=(1/2)(v^2)/g h = 6.5m

sociology
How can the three sociological perspectives (e.g., social functionalism, social conflict, and symbolic interaction) be used to conceptually understand social deviance?

Physics
2T=(2*pi*massproton)/(chargeproton*B) So a) B=(pi*1.67*10^-27)/(1.6*10^-19*155*10^-9) b) Doubling the kinetic energy changes the velocity. Period T does not depend on velocity so the answer is 155 ns.

Physics
lift.

chemistry
SCl2= sp3 SCl6= sp3d2 SCl4= sp3d