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August 22, 2014

Posts by David


Total # Posts: 1,636

Visual Basic
I am working on a project called VB Auto Sales I am working in CH 2. I have just about completed the assignment but I am unable to group two separate sections. Assignment Modify the project from the Chapter 1 VB Auto Center case study, replacing the buttons with images in ...
February 4, 2010

Chemistry (Grade 11)
A radioactive sample of 141Cs has a half-life of 32.5 days. In a sample that contains 8.00*10^7 nuclei of 141Cs, how many beta particles per second will be emitted? A 19.8 B 1.7*10^6 C 71 076 D 1185 E 2.47*10^-7 The 141 supposed to be a superscript text, but firefox won't ...
February 3, 2010

6th Grade Science : Newtons First Law of Motion
Explain the idea of streamlining, as it applies to a skydiver.
January 30, 2010

6th Grade Science : Newton's First Law of Motion
Explain the idea of streamlining.\, as it applies to the skydiver. If you have the following textbook: Scott Foresman Science, 6th Grade good for you! Look on pages B102 - B105.
January 29, 2010

6th Grade math
Use prime factorization.
January 28, 2010

6th Grade math
The Odgen School marching band has 91 musicians. If there are 7 student musicians in each row, how many rows are there?
January 28, 2010

Maths
That would make more sense! Many thanks
January 28, 2010

Maths
Please could I have some guidance and advice on the following question? A multiple choice question has 4 options, A,B,C and D. The numbers of students choosing the options are in the ratio 3:1:2:14. I need to calculate the number of students choosing each option, (there are ...
January 28, 2010

shapes
if i had just a regular triangle and then it turned 90 degrees how would it look
January 27, 2010

11th grade math
secondary largest possible answre is Answer: x⋅(38-2⋅x)2 Answer: 8.06181572077
January 21, 2010

11th grade math
had this same probem for college pre-calculue couldnt solve B any other way but guess and check/logic x=4.5
January 21, 2010

6th Grade Grammar
Underline the form of to do or to have in the sentence. Today, many do their best to learn about Einstein's work. Also, what does the "to do" and the "to have" mean?
January 20, 2010

HSM210
Mrs Sue, Sorry to keep bothering you ! I have once more corrected the four answers . Do you mind checking them again. I so hate these assignments as I have such a hard time. Thank you so much for looking over my answers for me. 8. The victims’ rights movement developed ...
January 19, 2010

math
how do you solve for x using logs: [(a + b)^x]/b^x I am not sure of the steps to get there.
January 19, 2010

HSM210
Mrs Sue I corrected the answers that you said I had wrong in my assignment . Do you mind checking these for me again to see if I corrected them . Thank you so much for your help. 1. The Supreme Court has a greater obligation to protect the rights of victims than those of ...
January 19, 2010

HSM210
Mrs Sue do you mind checking my answers for me please? I have been working on this assignment for several days. The following activity helps you sharpen your skills in recognizing deceptive reasoning. The statements below are derived from the viewpoints in this chapter. Beside...
January 19, 2010

Chemistry
does postassium nitrate have a high or slow conductivity
January 12, 2010

Chemistry
sorry i mean which reactant
January 12, 2010

Chemistry
if 8.50grams CH4 reacts with 15.9grams of oxygen gass which of the prdocut is the excess and which is the limiting.
January 12, 2010

Chemistry
i got the mass of aluminum chloride to be 42.7
January 12, 2010

Chemistry
in 25grams of aluminium oxide reacts with 50grams aquoues hyrdogen chloride what is the mass of aluminum chloride produced?
January 12, 2010

6th Grade Math
Thanks!!!
January 11, 2010

6th Grade Math
Estimate a range for each sum. 3.89 + 42.71 + 12.32 I don't understand what to do for "estimating a range".
January 11, 2010

earth science
what are the landscape regions that the hudson river flows through
January 7, 2010

chemistry
how do you balance the equation __Al+__CuO=>__Al2O3+__Cu
January 4, 2010

Business
Mr Jones intends to retire in 20 years at the age of 65. As yet he has not provided for retirement income, and he wants to set up a periodic savings plan to do this. If he makes equal annual payments into savings account that pays 4% interest per year, how large must his ...
December 23, 2009

ELLS
Do you know anything about English Language Learners?
December 23, 2009

6th grade Math
thanks!
December 15, 2009

6th grade Math
The gas tank of your parents car holds 12.9 gallons of gas. Because their car averages 27.8 miles per gallon, how many times will they have to fillup the gas tank to drive to cincinnati and back? From Detroit, Michigan to Cincinnati, Ohio = 264.1 miles.
December 15, 2009

Calculus
a) prove that the function x^3 + 9x^2 +33x assumes the value -8 at least once b)using the mean value theorom or rolle's theorom - no other methods will be accepted - prove carefully that x^3 + 9x^2 + 33x takes on the value -8 at most once
December 10, 2009

Math -- 6th Grade
Thank you drwls!
December 8, 2009

Math -- 6th Grade
The sum of two decimal numbers is 5.3. Their difference is 1.7, and their product is 6.3. What are the two numbers? Does the product have anything to do with getting the answers?
December 8, 2009

6th grade Math
Thank you Bob!
December 8, 2009

8th grade math
55 mhp to 70 mhp
November 27, 2009

physics
CBA
November 22, 2009

Economics
U.S. antitrust enforcement policies have focused on 1) Enforcing market codes of ethics 2) Preventing "golden parachutes" 3) preventing price fixing arrangements 4) forcing firms to produce output at the point where P=MC 5) breaking up any firm with more than 10 ...
November 20, 2009

comm arts
when do you use homophone besides or except? Ican attend the meeting if it is scheduled any day of the week ..... Friday. What shoul I use. except or besides? Thanks
November 17, 2009

Algebra
trnslate to na algebraic expression a number divided by 15
November 11, 2009

math
solv the inequality: 1. 7-3x [is less than or equal to] 22 ---> x [is greater than or equal to] -5 2. 4x-2/3 [is greater than or equal to] 1/3 ---> x [is greater than or equal to] 3/5 are these correct??
November 4, 2009

chemistry
Q1) 5 liters of Butane gas (C4H10) is reacted with plenty of oxygen at 27 oC and 1 atm to produce carbon dioxide and water vapor. Calculate the following: 1- The volume of CO2 produced at 1 atm and 400 oC. 2- The mass of H2O vapor produced. 3- The mol % of the products. Given...
November 2, 2009

9th grade
@bobpursley so you mean we have to do a factor tree for 1000 numbers?!
November 1, 2009

math
Find an angle between 0 and 2Ð that is coterminal with given angle. 1. -7Ð /3 2. 10 3. 51Ð /2
October 26, 2009

math
Find an angle between 0 degree and 360 degree that is coterminal with given angle. a. 361 degree b. -100 degree c. 1270 degree
October 26, 2009

council
what is a good speech of secretary and vice presidents: this is what secretary it does attend council meetings take pictures at school functions distribute and collect surveys at school funtions and from classrooms participate in council activities vice president attend ...
October 21, 2009

math
27 / (5+4) * 19 = 27 / (9) * 19=3*19=57. Mom is right.
October 21, 2009

math
it is: -y/x* (2x+y)/(2y+x) let me now if you need more details.
October 21, 2009

Social Studies
thank you!
October 20, 2009

Social Studies
Yes. Can anyone help me?!?!?!?!? Help!!!!!!!!!!!!!!
October 20, 2009

Social Studies
I did but i can not find anything.
October 20, 2009

Social Studies
I need help finding a current event. The topic is A Famous Person Who Has Done Some Type Of Charitable thing. The article can be anywhere from last thursday to today. Thank You!
October 20, 2009

math115
The electricity costs of a buisness increased from $15,000 in one year to $16,000 the next. To the nearest whole percent what was the rate of increase?=7% Write the following as a common fraction or mixed number write in lowest terms 5.035 = 5 7/200
October 20, 2009

math115
thank you
October 20, 2009

math115
Let me try it this way I am dividing 30/49 by 16/21 or 30/49 dividing by 16/21= 45/56
October 20, 2009

math115
divide 30/49 divide 16/21= 45/56 a triangle has a base 15ft and an altitude of 8ft find the area =60ft^2
October 20, 2009

Physics
You are correct. I had the EXACT same Physics problem and got them correct.
October 17, 2009

Math
find mean, median and is mean or median more useful representation 25,29,30,30,30,31,33,34,40,41,46,63 mean 36 median 32 more useful 32
October 17, 2009

Math
find median 4,5,6,8,11,17 answer 7 find mean and median 68,69,71,75,76,76,81,82,86,88,93,94,95,95,96 answer mean is 83 median is 82 ?
October 17, 2009

Math
evaluate |-24|-|-22| answer -2? -|-618|answer -618 3-|7-9|answer 5? ?
October 17, 2009

Math
determine max and min value 3,- 36/7,-1,-2/3,5/4,-5,26/9 answer max3 min-5 ? put in asending order -2/9,-1/9,3/7,5/9,1/8
October 17, 2009

Math
add -4/5+{-3/4} simple form 1 1/5
October 16, 2009

math
Two circles of radius 4 are tangent to the graph y^2=4x at the point (1,2). Find the equations of the two circles.
October 14, 2009

math
Find (f + g)x, (f-g)x, (fg)x, and (f/g)x and their domains. f(x)=¡î(9-x©÷),g(x)=¡î(x©÷-4)
October 12, 2009

math
Find (f + g)x, (f-g)x, (fg)x, and (f/g)x and their domains. f(x) = ¡î(9-x©÷), g(x) = ¡î(x©÷-4)
October 11, 2009

Math
How much space (in ft³ ) will be taken up by the 458 balloons.
October 11, 2009

Math
Height: The volume of a cone is 100 in³. Find a function that models the height h of the cone in terms of its radius r.
October 9, 2009

Math
Minimizing Sum: Find two positive numbers whose sum is 100 and the sum of whose squares is a minimum.
October 9, 2009

Math
Maximizing Area: Among all rectangles that have a perimeter of 20 ft, find the dimensions of the one with the largest area.
October 9, 2009

math
Height: The volume of a cone is 100 in^3. Find a function that models the height h of the cone in terms of its radius r.
October 9, 2009

math
A woman 5 ft tall is standing near a street lamp that is 12 ft tall. Find a function that models the length L of her shadow in terms of her distance d from the base of the lamp.
October 9, 2009

geometry
Find a function that models the area A of a circle in terms of its circumference C.
October 8, 2009

math
A young man spent 1/4 of his allowance on a movie. He spent 11/18 of the remainder on after-school snacks. Then from the money remaining, he spent $3.00 on a magazine, which left him 1/24 of his original allowance to put into savings. how much of his allowance did he save?
October 7, 2009

math
If you place one full container of flour on one pan of a balance scale and similar container 3/4 full and a 1/3-pound weight on the other pan, the pans balance. How much does the full container of flour weight?
October 7, 2009

math
An airline passenger feel asleep halfway to her destination. When she awoke, the distance remaining was half the distance traveled while she slept. How much of the entire trip was she asleep?
October 7, 2009

math
60 guest were present at dinner. Is this correct?
October 7, 2009

math
how many guests were present at a dinner if every two guest shared a bowl of rice, every three guests shared a bowl of broth, every four guests shared a bowl of fow, and 65 bowls were used together.
October 7, 2009

5th grade
I am a 3-digit number.My first digit is a square number.My last digit is 3* my second digit,which is my half my first digit.What am I.
October 6, 2009

physics
Calculate the terminal speed of a wooden sphere(density 0.830g/m^3) falling throught air if its radius is 8.00cm and its drag coefficient is 0.500? From what height would a freely falling object reach this speed in the absence of air resistance?
October 1, 2009

accounting 201
I am sorry I am tired and meant to write professional fees.
September 30, 2009

accounting 201
Oops I said I could not figure out capital, it was processional fees that I meant to list. Capital is clearly 30,000.
September 30, 2009

accounting 201
I am having trouble figuring out my accounts payable and capital. Any help on going about and solving this would be greatly appreciated. I have listed the data below... Travis Fortney, an architect, opened an office on April 1, 2010. During the month, he completed the ...
September 30, 2009

Science
A 6.0 volt battery is hooked up to a light bulb, whose resistance is 3.1 ohms. How many electrons would leave the battery per second? (Hint: 1 electron = 1.6E-19 C)
September 28, 2009

physics
After falling from rest at a height of 29.2 m, a 0.488 kg ball rebounds upward, reaching a height of 20.3 m. If the contact between ball and ground lasted 1.68 ms, what average force was exerted on the ball? I'm so confused on where to start. tyvm
September 22, 2009

5th grade
4+9,6+7,8+5
September 21, 2009

SOCIAL STUDIES
HOW DID THE ICE AGES INFLUENCE HUMAN MIGRATION
September 17, 2009

Elasticity (Physics)
A tunnel of length L=150m, height H=7.2m, and width w=5.8m (with a flat roof) is to be constructed at a distance d=60m beneath the ground. The tunnel roof is be entirely supported by square steel columns, each with a cross sectional area of 960 cm^2. The mass of 1.0 cm^3 of ...
September 9, 2009

Chemistry
if pressure on a 2.50 ml gas sample were doubled from 0.500atm to 1.00 atm what would be gas volume at the new pressure?
September 2, 2009

Statistics
A study has shown that the thickness of sheet steel follows an approximately uniform distribution from 20 to 50mm. What is the probability that a sheet of steel chosen at random will be between 20 and 30mm?
August 30, 2009

Math
Thanks so much I understand now
August 28, 2009

Economics
Suppose that the governmental authorities wished to decrease use of a pesticide that is leaching into groundwater supplies in a watershed by 60% from current use levels. Discuss the advantages and/or disadvantages of distributing marketable pesticide permits to each farm ...
July 24, 2009

8th grade
i need help 4 a test on everything inequalities
July 19, 2009

math
Why is math so hard?
July 15, 2009

math
let the width be x and the length be y we know xy = 6 and x^2 + y^2 = (2ã5)^2 = 20 Perimeter = 2(x+y) from algebra we know (x+y)^2 = x^ + 2xy + y^2 but we know the values on the right side, so (x+y)^2 = 20 +12=32 then x+y = ã32 and the perimeter is 2...
July 15, 2009

English
This question is based on the book "The Curious Incident of the Dog in the Night-time" by Mark Haddon. What do you think makes a hero? How does Christoper fit your idea of a hero? He has been described by some readers as "a new kind of hero" or "an ...
July 8, 2009

Finance
. Mr. Kane recently borrowed $15,000 from his Aunt Jemima, and he has promised to pay his aunt $5,000 per year at 15%. How long will it take Mr. Kane to pay off the entire loan from his aunt? 2. You just borrowed $1,000 from Mr. Loan Shark. Mr. Shark requires you to pay $150 ...
July 6, 2009

Finance
1. Mr. Kane recently borrowed $15,000 from his Aunt Jemima, and he has promised to pay his aunt $5,000 per year at 15%. How long will it take Mr. Kane to pay off the entire loan from his aunt? 2. You just borrowed $1,000 from Mr. Loan Shark. Mr. Shark requires you to pay $150 ...
July 3, 2009

CHEMISTRY
a. ) The bond length is the internuclear distance. b. ) The covalent bond is a region of high electron charge density between two atoms. c. ) Hybrid orbitals are combinations of atomic orbitals. d. ) There are the same number of hybrid orbitals produced as the number of atomic...
July 3, 2009

CHEMISTRY
Which statement about structure and bonding is INCORRECT? a. ) The bond length is the internuclear distance. b. ) The covalent bond is a region of high electron charge density between two atoms. c. ) Hybrid orbitals are combination of atomic orbitals. d. ) There are the same ...
July 3, 2009

Chemistry
First, start with a balanced equation. Then, use stoichiometry to determine the limiting reactant and then how much product (AgCl) is produced. Use this (theoretical yield) and the actual yield (33.6g) to determine the percent yield.
June 23, 2009

Chemistry
For mole composition, you would convert each to moles and then determine the percent of each to the total.
June 23, 2009

Finance
Given the following information: profit margin = 10%; sales = $100; retention ratio = 40%; assets = $200; equity multiplier = 2.0. If the firm maintains a constant debt-equity ratio and no new equity is used, what is the maximum growth rate? (Assume a constant profit margin.)
June 17, 2009

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