Thursday
October 30, 2014

Posts by Bob


Total # Posts: 2,449

The secret of gumbo grove
hi
October 20, 2009

biochem
It would have a clear spot in the middle of the cell if you try a Gram stain, but if you use a spore stain, it would have a green spore inside of the red cell. P.S. You shouldn't wait until the night before your lab manual is due before you decide to do it.
October 20, 2009

micro biology
If you forgot to add the safranin to your spore stain, you would only be able to see the spores and not the actual cells. P.S. This was an easy one, the answer was basically on the lab handout, and you should have picked it up from Ms. Stafford during class.
October 20, 2009

Physics
1.A 24 kg crate initially at rest on a horizon floor requires a 75 N horizontal force to set it in motion, once the crate is in motion, a horizontal force 53 N keeps the crate moving with a constant velocity. Find the coefficient of kinetic friction, between the floor and crate.
October 19, 2009

Math
Estimate 4.8, 10.1 and 0.7 to the nearest whole number.
October 19, 2009

math
Round 9.86-5.47 to the nearest whole number. Need to show my work.
October 19, 2009

Math
Estimate by rounding each term to the greatest place: 78.17-37.52 Need to show my work
October 19, 2009

Statistics
I'm confused about the difference between the population and experimental units in a situation like the following: A questionnaire is being used to measure the reaction of two groups of students from a particular American university to a television clip: one group who ...
October 17, 2009

Statistics
I don't understand how you did that. (You're supposed to draw 2 cards - an ace and a 10, an ace and a Jack, an ace and a Queen, or an ace and a King).
October 15, 2009

Statistics
What is the probability of drawing an ace and a 10, Jack, Queen, or King from a deck of cards?
October 15, 2009

Math
Toni has a piggy bank filled with nickels, dimes and quarters. She has a total of $3.00. If she has fewer than 12 coins, What combination of coins could she have in her bank? How many possibilities can you discover?"
October 15, 2009

Statistics - Monte's Dilemma
Why does it make a difference when you switch doors? What is the probability of winning given that you stayed and what is the probability given that you switched?
October 15, 2009

world history
What was the goal of the young ireland rebellion?
October 15, 2009

Civics
What are three constitutional safeguards against abuse of presidenttial powers?
October 14, 2009

math
Two professional drag racers are speeding down a 1/4-mile track. If the lead driver is traveling 1.738 feet for every 1.670 feet that the trailing car travels, and if the trailing car is going 198 miles per hour, how fast in miles per hour is the lead car traveling?
October 13, 2009

Math
Henry's bus can go just 12 miles on a gallon of gasoline. When he started his vacation, the gas tank of the bus was 5/6 full. Later when Henry had driven 336 miles, the gauge showed that the tank was still 3/5 full. If his "low on gas" light will come on when he ...
October 13, 2009

math
Henry's bus can go just 12 miles on a gallon of gasoline. When he started his vacation, the gas tank of the bus was 5/6 full. Later, when Henry had driven 336 miles, the gauge showed that the tank was still 3/5 full. If his low on gas light will come on when he has 1/15 a ...
October 12, 2009

math
name the digit in the 4321st place of each of the following decimals. ______ 0.142857 0.1234567891011121314....
October 12, 2009

math
if you invest $7500 in a mutual fund at $34.53 per share, how much profit would you make if the price per share increases to $46.17?
October 12, 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 9, 2009

algebra
(12-8)(7-4)3power
October 7, 2009

Physics
A box weighing 5kg sits on a box weighing 10kg. The static friction between them is .5. There is no friction under the bottom box. How much tension is needed on the bottom box to make the top box slide?
October 6, 2009

socials
The baker and his wife were sympathetic to Emilie because he understood she was the one who escaped execution by members of the more radical Jacobin party. He may have been through the same experience, felt awful not to help, or was just a very kind man.
October 5, 2009

algebra
simplify the expression and write it without denominator .. a^2 b^-1/ab^-3
October 5, 2009

science
my teacher has set us some science homework which i dont undrestand What is the chemical change when a candle is lit
October 2, 2009

english
Equality
September 30, 2009

Appendix f AED 204
i think it means what are the negitives and positive's in prayer meaning the type of religion stated in the question.
September 28, 2009

Social studies word unscramble
hi
September 22, 2009

Literature
What is modern fiction
September 22, 2009

Violence Action Plan (urgent)
Make a list of five or more different things students in school could do to prevent bullying? There's already anti-bullying day. So I don't know... 1.Guest Speaker maybe? 2. 3. 4. 5. Please help. Thank you.
September 20, 2009

math - probability
A chain of department stores has three warehouses and eight retail outlets in the Great Orlando area. In how many different ways can an item be shipped from one of the warehouses to one of the retail outlets? Using the multiplicative rule, would (8)(7)(6) = 48 be correct?
September 20, 2009

Math
How do you solve a equation adding or subtracting negative and postive numbers??
September 16, 2009

accounting
4/4/04, Corporation, which has a 12/31 year end authorized $1,500,000 of callable, mortgage bonds (secured by $2,200,000 of property and equipment, at market value). The bonds paid interest at a rate of 8% per year and had a term of 6 years. Interest was payable each 9/30, and...
September 15, 2009

algebra
what about x-3= x^2
September 14, 2009

algebra
is the following equations lineara in x 2 square root x+5=10 and x+1/x=1
September 14, 2009

Physics
i need help too
September 12, 2009

Physics B
How did you get the average velocity?
September 12, 2009

Physics B
A car slows down from 23 m/s to rest in a distance of 85m. What is its constant acceleration? I got -6.224, but a friend was telling me it's -3.11 and that I had to divide by 2. Why is that?
September 12, 2009

ALGEBRA
WHICH ALGEBRAIC PROPERTY OR PROPERTIES ARE ILLUSTRATED BY THE EQUATIONS? (x+3)^2+0=(x+3)^2 AND a(x+y)=ax+ay
September 9, 2009

science
fat boy
September 8, 2009

algebra2
so do i put a closs circle at 2 and 6 and the line goes through it
September 8, 2009

algebra2
how do i write the problem x is greater than or equal to 2 and less than or equal to 6
September 8, 2009

BC Calculus
For the first one, is it infinity?
September 8, 2009

BC Calculus
lim x ->infinity (e^x/lnx) I got infinity/0 but is that allowed to be my answer? what about this one: limx->infinity (sqrt of x /e^x) i got 0/infinity for this.
September 8, 2009

math
how many gallons of a 12% indicator solution must be mixed with a 20% indicator solution to get 10 gallons of a 14% solution
September 8, 2009

Materials / Physics
Find the force required to permanently deform (stretch such that it snaps back to >0.2% longer than original length) a .04 m diameter bar if YS = 1000 MPa.
September 3, 2009

math
the number 3456 is divisible by wich single/diget numbers
September 2, 2009

math
thanks
September 2, 2009

math
what are whole numbers
September 2, 2009

Kleeman
Three less than 4 times the sum of 6 and some number. Let x represent the number. A. 4(6 + x) - 3 B. 3 - 4(6) + x C. 3 - 4(6 +x) D. 4(6) + x - 3
August 27, 2009

science
Although most salamanders have four legs, the aquatic salamander shown below resembles an eel. It lacks hind limbs and has very tiny forelimbs. Propose a hypothesis to explain how limbless salamanders evolved according to Darwin's theory of natural selection.
August 22, 2009

chemistry
idk
August 15, 2009

Economics
V pays 20 cents V sells to W for 35 cents W sells to X for 55 cents X sells to Y for 80 cents Y sells to Z for $1.00 Contribution to GDP: (a) 20 cents (b) $1.00 (c) $1.90 (d) $2.90
July 4, 2009

history
What was the role of the Mayflower Compact in creating the New Plymouth society?
June 21, 2009

math...2 word problems
36?
June 17, 2009

help me please. easy
After forty years of intensive research, on school learning in the United States as well as abroad, my major conclusion is: What any person in the world can learn, almost all persons can learn, if they are provided with the appropriate prior and current conditions of learning...
June 9, 2009

maths
How would you know that the hypotenuse is length 5? Does it have something to do with the ratio?
June 9, 2009

Science Gr 8
What are two ways in which trees are apart of the water cycle?
June 4, 2009

chemistry need help
kelvin so c
June 3, 2009

chemistry need help
i was thinking of b
June 3, 2009

chemistry need help
In general, which reaction(forward, reverse, or neither) is favored if the value of K at a specified temperature is a. equal to 1? b. very small c. very large
June 3, 2009

chemistry
sorry i mixed the post with another student but i figure you can help me with one like this
May 28, 2009

chemistry
would the compound BaSO4 soluble in water as well
May 28, 2009

chemistry
6.08 moles of HCL
May 28, 2009

chemistry
is this the correct answer 6.27 g HCl
May 28, 2009

chemistry
What mass of HCL is contained in 645 mL of 0.266 M solution?
May 28, 2009

physics torque and shelf
Here's a diagram scriblink (com)/index.jsp?act=phome&roomid=4431&KEY=6AA34A2C2179E9CC6FDC240F66D3F371
May 22, 2009

physics torque and shelf
Here's a diagram scriblink (com)/index.jsp?act=phome&roomid=4431&KEY=6AA34A2C2179E9CC6FDC240F66D3F371
May 22, 2009

chemistry
If 20 g KCl is dissolved in 100g of water at 20 degrees C, is the solution unsaturated, saturated, or supersaturated?
May 20, 2009

history
Did all Southerners fight to protect slavery?
May 20, 2009

history
i have another question
May 20, 2009

history
so General George Mead
May 20, 2009

history
no
May 20, 2009

history
General Joseph Hooker, with General George Mead
May 20, 2009

history
General George E. Lee
May 20, 2009

history
Who led the Union troops at Gettysburg?
May 20, 2009

waves and sound
12
May 17, 2009

physics
The Weistin Stamford Hotel in Detroit is 228 m tall. Suppose a piece of ice which initially has a temperature of o degrees celcius falls from the hotel roof and crashes to the ground. Assuming that 50% of the ices mechanical energy during the fall and collision is absorbed by ...
May 17, 2009

critical thinking
does it actually say "crime rates" or "violent crime rates" and are these numbers for the USA only?
May 13, 2009

math
140*p = 28 p = 28/140
May 7, 2009

Pre-Algebra [repost]
y=4/3x-2 m=4/3=slope (0,-2) up 4 over 3 = (3,2) (3,2) up 4 over 3 = (6,6) (6,6) up 4 over 3 = (9,10)
May 7, 2009

math
Does 17*5=85? If so, the answer is a. If not, the answer is b.
May 4, 2009

Physics
(1) 45 micro coulombs of charge is passed through a wire in 35 seconds. How many electrons does this represent? What is the current in the wire? (2) A piece of copper wire has a resistance of 5 Ohms at 20 degrees celsius. If another piece of copper wire at 0 degrees celsius is...
May 4, 2009

Math
go hereswagbucks /?cmd=sb-register&rb=208582
April 30, 2009

6th grade
There are four possible outcomes: HH HT TH TT 1 out of those four outcomes is the case where both coins land heads up. Therefore, p=1/4=25%
April 30, 2009

Algebra
The only thing that can be factored out is 3x because that's what all of the terms have in common - they're multiples of 3x. So the answer is: 3x(5x^3 - 6x^2 + 7x - 3)
April 30, 2009

math 117
0.40x
April 30, 2009

Boiling point (DrBob)
delta T = Kim delta T = the change in boiling (or freezing) point (in degrees Celsius) K= boiling point elevation (or depression) constant for the solvent i = number of ions into which the solute dissociates m = molality (moles solute / kg solvent)
April 29, 2009

Science
Fly swatters
April 29, 2009

Science
Rabbits, gophers, mice, prairie dogs, rats, squirrels, antelope, goats, sheep, dead cattle, dead deer, and elk.
April 29, 2009

Science
Coyote food
April 29, 2009

math pre algebra
The slope of y=5x-6 is 5 because y goes up by 5 when x goes up by 1. The slope of y=7/2x+5 is 7/2 because y goes up by 7/2 (or 3.5) when x goes up by 1.
April 29, 2009

would richard nixon be the best president
would richard nixon be the best president if it weren't for the watergate scandal?
April 16, 2009

unit rate
88students for 4 classes find the unit rate
April 14, 2009

Math
u cant answer this ? because u dont hav enough info u need to no the total time u were driving ps did u write the ? down correctly
April 14, 2009

Business stats
I have just started business school and am struggling with this HW problem. any help would be great!!...A certain type of new business succeeds 60% of the time. Suppose that 3 such businesses open (where they do not compete so its reasonable to believe that their relative ...
April 14, 2009

Accounting
How would the 5-question method in accounting ethics be useful?
April 9, 2009

Buffer Solutions
A buffered solution is made by adding 75.0g sodium acetate to 500.0 mL of a .64 M solution of acetic acid. What is the pH of the final solution? (Ka for acetic acid, CH3COOH, is 1.8 x 10^-5)
April 6, 2009

computers
SAM Training 2003. We have this program at school and I wanted to reatke the exam. I can log in but not access the actual training. Is there any way of going around it?
April 6, 2009

Math - Trig
I need to find the solutions in the interval [0, 2pi for: 2sinx + cosx = 0 Im trying to get it where I can split two things up and set them equal to zero but that can only be done when they are being multiplied to each other, but as you can see they are being added, so they ...
April 5, 2009

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