Bobbie
Most popular questions and responses by Bobbie
Stat
A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria.
asked on March 13, 2015 
Stats  Please help me
A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria. I came up with:.0668 for
asked on March 13, 2015 
Steve  Stat
A Bacteria has a doubling period of 8 days. If there are 2250 bacteria present now, how many will there be in 33 days? find the growth rate (Round this to 4 decimal places). Growth Rate___________. There will be _________ Bacteria. The growth rate you
asked on March 13, 2015 
Probability Help
In ''The Numbers Game,'' a state lottery, four numbers are drawn with replacement from an urn containing the digits 09, inclusive. Find the probability of a ticket holder having the indicated winning ticket. All four digits in any order(including the
asked on December 6, 2016 
physics
A force of 9000 N is used to stop a 1500kg car traveling at 20 m/s. What braking distance is needed to bring the car to a halt?
asked on November 1, 2011 
Probability Help
Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy. 1, 4/5, 13/16, 1/32, 31/32 Can someone please explain? Thank you
asked on November 19, 2016 
Probability
At an ice cream ship, customers can order a sundae with 1 type of ice cream, 1 type of sauce, and 1 type topping. The types of ice cream are: chocolate; strawberry; vanilla The types of sauce are: caramel, strawberry, chocolate, butterscotch The types of
asked on April 19, 2011 
Chemistry
How many molecules are present in 1.5 moles of NaCl?
asked on November 29, 2018 
us history
The KansasNebraska Act: ensured that the number of free and slave states would remain equal repealed the Missouri Compromise and authorized the residents of both territories to determine the status of slavery temporarily suspended the Missouri Compromise
asked on September 28, 2010 
Math
use the rule to write the first twelve numbers in the pattern. describe another pattern in the numbers. Rule: Add 3, subtract 2 First term: 7
asked on February 10, 2016 
Stats
Consider the following Hypotheses test: Ho:m>=80 Ha:m
asked on April 29, 2012 
Physics
What is the gravitational field strength at a place 220km above Earth's surface, the altitude of many piloted space flights?
asked on October 14, 2008 
Probability
How many combinations are there of six distinct objects taken three at a time?
asked on December 10, 2016 
Probability
A customer at Cavallaro's Fruit Stand picks a sample of 4 oranges at random from a crate containing 50 oranges, of which 4 are rotten. What is the probability that the sample contains 1 or more rotten oranges?
asked on December 6, 2016 
College Math
There were 42 different presidents of the United States from 1789 through 2000. What is the probability that at least two of them had the same birthday?
asked on December 5, 2016 
Math
Colin: “When I add 6 times my age 6 years from now to 7 times my age 7 years from now, I get 14 times my current age. How old will I be 5 years from now?
asked on March 26, 2018 
Can someone Help w/Math
Data released by the Department of Education regarding the rate (percentage) of ninthgrade students that don't graduate showed that out of 50 states, 16 states had an increase in the dropout rate during the past 2 years. 18 states had a dropout rate of at
asked on November 9, 2016 
Physics...not sure what formula to use
A 2.0kg bag is held by a string to the ceiling. A 10g bullet travelling at 200m/s strikes the stationary bag. The height of the bag after the collision is 10cm, assuming there is no friction, determine the speed, in m/s, of the bag after the collision.
asked on October 25, 2008 
Physics
a 500g piece of silver at 150 degrees celsuis is submerged in 1000g of water at 5 degrees celsuis to be cooled. determine the final temperature of the silver and water given. Cwater=4.18 x 10^3 J/kg.C Csilver = 2.4 x 10^2 J/kg.C
asked on October 26, 2008 
College Math
Four balls are selected at random without replacement from an urn containing four white balls and five blue balls. Find the probability of the given event. All of the balls are blue.
asked on December 6, 2016 
8th history
A direct result of the threefifths compromise was: the political power of the South was greatly increased since they were apportioned more representatives. *northerners paid more taxes than southerners. threefifths of the population in the South was
asked on September 28, 2010 
Math Help
Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy.
asked on November 19, 2016 
Math
in a class of 30 students. 10 students wear spectacles and 16 girls. there 8 boys who do not wear spectacles. How many girls wear spectacles?
asked on September 18, 2017 
accounting
Exercise 913: Accounts receivable turnover L.O. A1 The following information is from the annual financial statements of Lucilla Company. 2009 2008 2007 Net Sales $ 262,000 $ 193,000 $ 245,000 Accounts Receivable, net (yearend) 42,700 40,500 37,200
asked on April 14, 2010 
history
The Dredd Scott decision: *declared that Congress could not prohibit slavery from a territory *struck down the KansasNebraska Act *stated that a slave was property and could never be a citizen *allowed slavery in every state in the Union
asked on September 28, 2010 
science
ok my summer homework is to explain how the si system is used in the scienetific community. HELP!
asked on August 12, 2009 
College Algebra
The value of the expression (4220 + 0.25 (x  30,650) is the 2006 federal income tax for a single taxpayer with taxable income of x dollars, where x is over $30,650 but not over $74,200. Simplify the expression; Find the amount of tax for a single taxpayer
asked on October 14, 2008 
Physics
determine the distance from earths centre where the force of gravity acting on a space probe is only 11% of the force acting on the same probe at earths surface. Express your answer in terms of earths radius, rE
asked on October 14, 2008 
Probability
The mean annual starting salary of a new graduate in a certain profession is $43,000 with a standard deviation of $500. What is the probability that the starting salary of a new graduate in this profession will be between $39,500 and $46,500?
asked on December 8, 2016 
Math Probability Distribution
A probability distribution has a mean of 57 and a standard deviation of 1.4. Use Chebychev’s inequality to find the value of c that guarantees the probability is at least 96% that an outcome of the experiment lies between 57  c and 57  c. (Round the
asked on December 8, 2016 
Probability Help
Fourty people are selected at random. What is the probability that none of the people in this group have the same birthday?
asked on December 8, 2016 
Math
If a flew flew an estimated distance of 800 kilometers what is the greatest distance the plan could have flown
asked on October 6, 2014 
ETH 125
What is the definition of socially compliant? I am completing an assignment that requires to categorize this statement for one of two groups or both (Christian American/ Muslim and Arab American).
asked on September 19, 2010 
prealgebra
I need to figure out how to convert 11inches to the actual length of 550 to scale. Please help 550 what? miles? feet? inches? If you want 550 of some length unit to be represented as 11 inches on a map or scale drawing, divide all lengths by 50.
asked on July 2, 2007 
Drama Question
A propbox is a/an: effective strategy for enhancing drama activities. (or) tool for evaluating activities Check this site for your answer. http://www.angelfire.com/dc/childsplay/Prop_Box_Ideas.htm Thank you for using the Jiskha Homework Help Forum. A
asked on April 1, 2007 
Probability Help
Forty people are selected at random. What is the probability that none of the people in this group have the same birthday?
asked on December 6, 2016 
Precal/Math
How do i find the equation in the form: y=a(sqrt b(xh))+k From the points (5,3) (4,1) (1,5)
asked on April 5, 2016 
PreCal
Rationalize the denominator of the expression: sqrt2+1/sqrt1
asked on March 9, 2015 
Algebra
How do I solve 5*(3x+2)=75
asked on March 20, 2011 
english
I am doing a book report on the book my sister keeper i need to give a description of two characters in the book and also the page number i found it on ??
asked on September 13, 2009 
science
how do scientists use measuremnets?
asked on August 12, 2009 
Physics
Three ropes (X,Y and Z) made of different materials are attached in a linear fashion. Based on the following observations, classify ropes X,Y, and Z as fast, intermediate or slow media. a negative pulse transmitted into X is inverted upon reflection and
asked on November 23, 2008 
Math Help
Explain what is meant by an experiment. Give an example. For the example you have chosen, describe (a) a sample point, (b) the sample space, and (c) an event of the experiment.
asked on December 10, 2016 
Probability Help
Forty people are selected at random. What is the probability that none of the people in this group have the same birthday?
asked on December 6, 2016 
Please help w/Math
A survey of the opinions of 12 leading Economists in a certain country showed that, because oil prices were expected to drop in that country over the next 12 months, 10 had lowered their estimate of the consumer inflation rate, 10 had raised their estimate
asked on November 3, 2016 
Precal/Math
Solve: log(32x)log(x+24)=0
asked on April 23, 2016 
Precal
How do i get left side to equal right side? (Cos x)/(1+sin x) + (cos x)/(1sin x) = 2secx
asked on March 21, 2016 
calculus
Given the function f(x) = 3x  9 a. Find the rate of change between the two stated values for x: 7 to 8 b. Find the equation of a secant line containing the given points: (7, f(7)) and (8, f(8))
asked on March 15, 2012 
eth 125
I have an assignment that ask to describe an issue between Native Americans and the federal government. I found an article at indiancountrytoday that speaks of uranium mining and how it affects the water supply for over 15,000 residents. My problem: I do
asked on September 25, 2010 
business
operational components of planning, sourcing, making, and delivering
asked on February 17, 2010 
human resources
How do I do a job description for a high school librarian? Do I set it up as an outline?
asked on November 13, 2009 
Chemistry
Consider the densities of the liquid substances listed. a) How will substance X, a solid, with density of 0.87 g/cm^3, behave when placed in each of the other pure liquids? b) Sketch and label a test tube containing substances A,B,C, and X. Assume that the
asked on September 9, 2009 
Probability
What is the probability of an event E in a uniform sample space S?
asked on December 10, 2016 
Precal
Solve the equation: Logx=1log(x3)
asked on April 22, 2016 
Math
How many 4 digit multiples of 5 can be form d using the digits, 1,2,5,7,9,0 if repitions are not allowed?
asked on April 7, 2016 
Math
How do i get left side to equal rs? (Tanx/1+secx)+(1+secx/tanx)=(2/sinx)
asked on March 22, 2016 
geometry
two round fountains are similar. one measures 4'6 across and the other measures 9'7 across. find the scale factor from the small one to the large one
asked on June 5, 2015 
Biology
What happens as a result of insertion (the mutation)?
asked on February 17, 2015 
algebra
24 increased by y
asked on October 26, 2014 
algebra
What is the translation of 24 increased by y??
asked on October 26, 2014 
ALGEBRA / MATH / FINANCIAL
PLEASE HELP.. HERE'S THE QUESTION.... RYAN IS GOING TO INVEST $4000 INTO 2 INVESTMENT OPTIONS. ONE OPTION PAYS 3% AND THE OTHER OPTION PAYS 3.5% SIMPLE INTEREST. HOW MUCH DID RYAN INVEST IN EACH OPTION IF THE INTEREST EARNED IN THE OPTION PAYING 3.5%
asked on September 18, 2012 
Economics: Am I right?
I am completely stuck on these two questions. I have read my chapter, but I am still doubting that I got the answers correct. 1.A decrease in aggregate demand causes a decrease in ______ only in the short run, but causes a decrease in ______ in both the
asked on April 8, 2012 
economics
am completely stuck on these three questions. I have read my chapter, but I am still doubting that I got the answers correct. 1.A decrease in aggregate demand causes a decrease in ______ only in the short run, but causes a decrease in ______ in both the
asked on April 7, 2012 
MATH
3X2Y=27 7X+85=Y
asked on October 28, 2011 
Geometry
A certain type of cube has 2inch edges. What is the maximum number of cubes than can be put into a box that measures 2.7 feet by 3.2 feet by 4.1 feet?
asked on April 19, 2011 
College Algebra
How do you solve L=2.43*9.0^0.3326 to get the wingspan of a pelican in feet?
asked on April 11, 2010 
3rd grade
what multiplication fact can be found by using the arrays for 2 times 9 and 5 times 9
asked on February 3, 2010 
com 220
I need to find more information on why people need life insurance
asked on August 18, 2009 
foreign language
can i learn two languages at once?
asked on August 12, 2009 
english
is texting bad for my grammar?
asked on August 12, 2009 
social studies
whats a site that i can get articles about prehistoric humans?
asked on August 12, 2009 
science
what is the si base unit for density, liquid, and rectangular solid?
asked on August 12, 2009 
science
how do scientists use the si system?
asked on August 12, 2009 
math
a machine can fill a 2 liter bottle in 0.5 second and move the next bottle in place in 0.1 second how many 2 liter can be filed by the machine in 2 hours
asked on January 28, 2009 
Accouting
what four items may be omitted when listing figures on columnar paper?
asked on September 18, 2008 
Drama Question
Creative drama offers a means for cooperative learning and teamwork through which? 1. shared experiences 2. creative illustrations 3. building language skills 4. improvised facial expressions I am thinking "shared experiences" offer a means of cooperative
asked on April 1, 2007

Chemistry
6.02x1023
posted on November 29, 2018 
Social studies
STRONG EMOTIONS
posted on May 9, 2018 
English
im failing most of my classes cause I started connexus so far into the school year and im actually way ahead poeple who started days before me and Im trying to get into public school again but I cant If im failing IM HATING CA
posted on January 6, 2017 
Stats  Please help me
OK .. thanks .. the 39258 is correct. but the 1.0905 is showing as incorrect.
posted on March 13, 2015 
Algebra 1a
24 increased by y
posted on October 26, 2014 
us history
if i post question on here and give u the answer i picked will u tell me if its right
posted on September 28, 2010 
us history
What is an abolitionist? a runaway slave *a person who wanted slavery outlawed a slaveowner who treated his slaves fairly a person who uses violence to advance their cause i pick the one with star
posted on September 28, 2010 
us history
repealed the Missouri Compromise and authorized the residents of both territories to determine the status of slavery
posted on September 28, 2010 
ETH 125
thank you sooo much! i can now finish this assignment before it is too late!
posted on September 19, 2010 
ETH 125
thank you for your response. However, I already googled and that is the only definition I found, but could not adapt incorporate that definition into the assignment.
posted on September 19, 2010 
Finance
3000
posted on July 21, 2010 
Chemistry
Consider the densities of the liquid substances listed. a) How will substance X, a solid, with density of 0.87 g/cm^3, behave when placed in each of the other pure liquids? b) Sketch and label a test tube containing substances A,B,C, and X. Assume that the
posted on September 9, 2009 
social studies
oh thank you that helped alot!
posted on August 12, 2009 
social studies
is there any other website?
posted on August 12, 2009 
science
i was already on that site it didn't help
posted on August 12, 2009 
science
i did. those were two diff questions
posted on August 12, 2009 
Physics
but do i do sperate equations for both water and silver or do i do it as a combined equation. if its combined do i combine the masses and he heat capacity? i'm so confused
posted on October 26, 2008 
ALGEBRA
sorry i meant (x+3)(x10)
posted on October 14, 2008 
ALGEBRA
not sure if this is what u mean but (x+3)(x7)=0
posted on October 14, 2008 
Math
f(x)= 2(x1)^22 (complete the square to get vertex form f(x)=a(xh)+k) Vertex is (h,k) so (1,2) Axis of sym = 1 x intercepts = (0,0) and (2,0) y intercept = 0 parabola opens up
posted on October 14, 2008 
Physics
well my teacher cant teach so i dont. and i used the formula but i got a different answer then the back of the book. i don't get what im doing wrong. g=GMe/(radius Earth+altitude)^2 g=(6.67x10*11Nm^2/kg^2)x(5.98x10*24kg)/ (6.38X10*6m+0.22m)^2 g=
posted on October 14, 2008 
Physics
well my teacher cant teach so i dont. and i used the formula but i got a different answer then the back of the book. i don't get what im doing wrong. g=GMe/(radius Earth+altitude)^2 g=(6.67x10*11Nm^2/kg^2)x(5.98x10*24kg)/ (6.38X10*6m+0.22m)^2 g=
posted on October 14, 2008 
Math
well there is one thousand millilitres in a litre so multiply 2.3 by 1000
posted on October 14, 2008 
Physics
k well i don't know what Me stands for or what the altitude is or how to find it.
posted on October 14, 2008