Saturday
December 10, 2016

# Posts by gina

Total # Posts: 580

Math
maria works 8 hr shifts.she has earned 62.75 mins of sick time. how many sick days does she have
September 30, 2013

Math
There are 8 standard classifications of blood type. An examination for prospective laboratory technicians consists of having each candidate determine the type for 3 blood samples. How many different examinations can be given of no 2 of the samples provided for the candidate ...
July 28, 2013

Math-probability
A sporting goods store estmates that 20% of the students at a nearby university ski downhill and 15% ski cross country. Of those who ski downhill, 40% also ski cross country. What percentage of these students ski both down hill and cross country? Write as a decimal.
July 27, 2013

Math- probability
Suppose 80% of kids who visit a doctor have a fever, and 30% of kids with a fever have sore throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat? Round to three decimal places.
July 27, 2013

Math
How do I figure capacity of a cupboard with shelves?
July 24, 2013

Math
Is capacity done the same way? I am confused about the difference between Volume and capacity. Thanks so much for your help!
July 24, 2013

Math
I need to do a project to figure capacity volume of a stationary cabinet with three shelves. I am confused about how to figure this with the shelves.
July 24, 2013

physics
A 9.90-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.372. Determine the kinetic frictional force that acts on the box when the elevator is (a) stationary, (b) accelerating upward with an ...
July 12, 2013

Pre-calculus
Thank you so much!
June 5, 2013

Pre-calculus
Explain how the graph of f(x)=(-2)/(x-3)^2 can be obtained from the graph of y=1/x^2 by means of translations, compressions, expansions, or reflections.
June 5, 2013

precalculus
Explain how the graph of f(x)=(-2)/(x-3)^2 can be obtained from the graph of y=1/x^2 by means of translations, compressions, expansions, or reflections.
June 4, 2013

physical science
Doubling the distance will result in a count of (1/2)^2= 1/4 the original count. 1/4 of 1000 = 250 counts per minute.
April 29, 2013

Physics
The left end of a 1-kg, 1.0 m long uniform thin rod is attached to a pivot, about which it can rotate freely. A force F is applied at the right end of the rod at 30 degree angle to hold the rod stationary in a horizontal position. What is the magnitude of the force F? I think ...
April 21, 2013

Math
What is the distance on the ground between 2 posts when the posts are attached to a platform that is 6 feet square and attached with 15 degree brackets? The posts are either 10 foot or 12 foot. Please answer for both.
April 21, 2013

algebra
Do you like roller coasters? If you were asked to design a roller coaster, what would it look like? Would it have steep hills? Would you design the tracks to go upside down? Did you know that polynomial equations are used by the structural engineers who design roller coasters ...
April 16, 2013

Math
28a^11b^7/4a^3b
April 14, 2013

Algebra 2
Find the value of \$1000 deposited for 8 years in an account interest compounded semiannually.
March 24, 2013

Physics
Two people wearing skates facing each other. The 1st person is 75kg and pushes the second person 60 kg away at a speed of 2.0 m/s. What is the speed of the 1st person?
March 23, 2013

psychology statistics for behavioral sciences
A multiple-choice test has 48 questions, each with four response choices. If a student is simply guessing at the answers, a. What is the probability of guessing correctly for any question? b. On average, how many questions would a student get correct for the entire test? c. ...
March 20, 2013

chemistry
For the reaction below, Kp = 1.16 at 800.°C. CaCO3(s) CaO(s) + CO2(g) If a 21.7-g sample of CaCO3 is put into a 10.6 L container and heated to 800°C, what percentage by mass of the CaCO3 will react to reach equilibrium?
February 3, 2013

chemistry
For the reaction below, Kp = 1.16 at 800.°C. CaCO3(s) CaO(s) + CO2(g) If a 21.7-g sample of CaCO3 is put into a 10.6 L container and heated to 800°C, what percentage by mass of the CaCO3 will react to reach equilibrium?
February 3, 2013

a basketball scout randomly selected 144 players and timed howlong eah player took to perform a certain drill. the times in thissample were distributed with a mean of 8 minutes. the populationstandard deviation was known to be 3 minutes. (a) find the critical value for a 95% ...
December 15, 2012

spanish
(sus)libros (su) (nuestra)
December 15, 2012

statistics
experience in investigating insurance claims show that the averagecost to process a claim is approximately normally distributed witha mean of \$80.new cost-cutting measures were started and a sampleof 25 claims was tested .the sample mean of the costs to processthese claims was...
December 15, 2012

Math, Algrebra II High school
You have 29 coins, the total value of which is \$1.77. The number of quarter is eight less than the number of pennies and the rest are nickels. How many of each coin do you have?
December 14, 2012

Algebra II math high school
To get the necessary funds for a planned expansion, a small company took out three loans totaling \$25,000. The company was able to borrow some money at 8%. It borrowed \$2000 more than half the amount of the 8% loan at 10% and the rest at 9%. The total annual interest was \$2200...
December 13, 2012

Math Algebra , high school
A biologist has three salt solutions: some 5% solution, some 15% solution, and some 25% solution. She needs to mix some of each to get 50 liters of 20% solution. She wants to us twice as much of the 5% solution as the 15% solution. How much of each solution should she use? How...
December 13, 2012

yes you did Thank you...!!!!!
December 12, 2012

Experience in investigating insurance claims shows that the average cost to process a claim is approximately normally distributed with a mean of \$80. New cost-cutting measures were started and a sample of 25 claims was tested. The sample mean of the costs to process these ...
December 12, 2012

statistics
thank you....!!!
December 5, 2012

social studies
how to write a song about american culture
November 29, 2012

Human Resources
Consider the fact that during the past few years, many firms have laid off thousands of workers, frozen employee pay and eliminated or reduced bonuses. Yet at the same time many of these firms have retained "key employees" and CEOs by giving them huge compensation ...
November 19, 2012

maths
a woman who is 5feet 4 inches cast a shadow that is 6 feet tall. how long of a shadow would be cast by a man who is 6 feet 8 inches tall
November 5, 2012

English
Thanks, they're all right!
October 29, 2012

English
I really need to get a WORKING charger for my phone. Participle or verb? I think it's a verb, but I'm really not sure.
October 29, 2012

Statistics
25 students test grades (possible scores 0 to 100)has a standard deviation of 15. What logically follows???
October 10, 2012

finance 370
How did they round this number off. Value debt310 million +110 value equity million=.738=73.8% Then Value Equity over Value Of Debt +Value of Equtiy \$310 million + 110 million=0.262=26.7% How did they get these number
October 4, 2012

Statistics - math
Do you have an answer that I can check my calculations with? I haven't worked a problem like this in a long time - am trying to help a friend with this problem. We're having trouble calculating it. I'm using a regular calculator, not a scientific one. Any suggestions
October 2, 2012

Statistics - math
Each consumer has a 25% chance of preferring your product over the competitor's product. If we question 15 customers, what is the probability that at least 3 will prefer your product?
October 2, 2012

Statistics - math
The answer is supposed to be 0.04 + 0.25 + 0.42 + 0.24 = 0.95 However, when I do the math above, I get 0.01 + 0.03 + 0.04 + 0.04 = 0.12. Where am I making the error in calculating this?
October 2, 2012

Statistics - math
An urn contains 5 red balls and 10 white balls. 6 balls are randomly drawn and not replaced. What is the probability that 3 or fewer balls drawn are red?
October 2, 2012

math
so here's my edited work: 10^x = 65/2 xln10 = ln (65/2) xln10 = ln65 - ln2 x = ln65 - ln2 - ln 10 x = 1.17865~ , BUT when i check the original equation: x = log 32.5, x = 1.51188~ hmmm they don't match up. can someone please tell me where i'm going wrong?
September 11, 2012

math
ooopsss i think i know where i went wrong. it's supposed to be 10^x = 65/2 and then i apply the natural log to both sides.... lemme check..
September 11, 2012

math
how do i solve for x when x = log(32.5)? here's my work: log x = y 10^y = x then, x = log (32.5) 10^x = 32.5 10^x = 17/2 this is where i get stuck... i don't know how to get rid of the bases... can some one please teach me how? thank you! :)
September 11, 2012

intermediate algebra
Solve for w. S -2 LW divided by 2W plus 2L equals H
August 28, 2012

Geometry
You want to frame a picture that is 5 inches by 7 inches with a 1 inch wide frame. What is perimeter of outside edge of the frame.?
August 21, 2012

early childhood education
At What Age Does Exercise Begin To Result In Strength In Boys And Girls?
June 16, 2012

What is the 9th root of 64, in simplest radical form?
June 15, 2012

Chemistry
Hi, I need help with a chemistry question. Question: Iron ore is treated with carbon monoxide to extract and purify the iron. a) Calculate the minimum mass of carbon monoxide that must be ordered by a refining company for every metric tonne of iron ore that is processed.
June 1, 2012

criminal justice
What are the requirements and the mandates in pretrial measures required by law?
May 20, 2012

financal problems
Computing future value. Calculate the future value of a retirement account in which you deposit 2,000 a year for 30 years with an annual interest rate of 7 percent.
April 24, 2012

financial planning problems
During a job interview,Pam Thompson is offered a salary of 28,000.The company gives annual raises of 6 percent. What would be Pam's salary during her fifth year on the job?
April 24, 2012

math
A bike costs \$117. This is \$12 more than 3 times the amount Tom saved last month. How much money did Tom save last month? Write an equation, solve the problem. Equation: 12+3n= 117?
April 23, 2012

Physics
What about for an LED? Wouldn't that at least have constant current? I'm asking this because for an assignment where we had the previously stated question I put constant current which was marked correct. But with your help and research I've realized it should ...
April 3, 2012

Physics
Does the filament of a bulb have constant resistance, constant voltage or constant current? I would think it's constant current. But can someone logically explain why? I can't understand it much.
April 3, 2012

March 25, 2012

Physics
In Fig. 25-37, V = 12 V, C1 = 9.8 µF, and C2 = C3 = 18 µF. Switch S is first thrown to the left side until capacitor 1 reaches equilibrium. Then the switch is thrown to the right. When equilibrium is again reached, how much charge in Coulombs is on capacitor 1?
March 19, 2012

statistics
John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of ó = 5 minutes. For a randomly selected morning, what is the probability that John’s drive ...
March 4, 2012

PHYSICS HELP
I got the anwser
February 16, 2012

PHYSICS HELP
A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. A)Find his initial acceleration. i put 7.68* 10^-12 m/s^2 B)Find her ...
February 16, 2012

math
How do you solve C=ln(125000000/1-125000000
January 16, 2012

algebra
write an equation in standard form that satisfies the given conditions parallel to the x-axis and through (4,-1)
January 8, 2012

finance
Templeton extended care facilities, inc is considering the acquisition of a chain of cemeteries for \$ 400 million. Sice tehe primary asset of this business is real estate, Templetons management has determined that they will be able to borrow the majority of the Money needed to...
January 3, 2012

Geometry
tree is 6ft 3 in compute the cross-sectional area of the tree measured at 3 feet above ground
December 6, 2011

Grammar
Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.”...
December 1, 2011

Language Arts
Hello, I have been searching the web for any info on author James B Garfield, he wrote Follow My Leader. I have to create a book jacket for my lit circle group and info on the author is needed. I have checked every site and NOTHING!! Can you help???
November 30, 2011

geometry
In a right triangle, one side is 9 units in length, and the hypotenuse is 15 units in length. What is the length of the other side?
November 15, 2011

math
a container holds 250 mL. How many liters does it hold
September 22, 2011

math
10/3+2*4=8 Insert grouping to make the equation true
September 20, 2011

physics
What is the kinetic energy of a car of mass 1900 kg moving at a constant speed of 21 m/s
September 19, 2011

science
an object is ejected sideways with a speed of 10 meters per second, a height of 78.4 meters above the ground. How long does it take to reach the ground?
September 9, 2011

physics-mechanics
a person walks 400m north along one side of a rectangular field and then 300 m along the other side, the walk takes 10 min, calculate the av. velocity of the person?
August 26, 2011

physics-mechanics
a person walks 400m north along one side of a rectangular field and then 300 m along the other side, the walk takes 10 min, calculate the av. velocity of the person?
August 26, 2011

Political Science
Need examples on a economical issues for my political science class. Anything would be helpfull. I was wondering if HIV/Aids, prostitions, discrimination, or sterotyping is a economical issues. Please give any other examples.
August 25, 2011

algebra
It is possible for a quadratic equation to have no real-number solutions. Solve. t^2+10t+26=0
July 6, 2011

algebra
Solve by factoring: 10t^2 – t − 2 = 0
July 6, 2011

Algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = -36 4x + 4y = 12
July 5, 2011

Confucius implied that the village elders and gentlemen are the most respected and the highest class while the common man is the lowest class.
June 24, 2011

english
Incense being the emotion?
May 14, 2011

Research
Heya! Where can I get photos/cartoons on dekulakisation and collectivisation? PLZ don't say google! Coz I'm not allowed to use links straight off it. Still need help with my question, a few questions below this one.
May 14, 2011

Reseach - source evaluation HELP
Hi, I've been exhausting my opportunities to try and find out the credidentials for this pdf. I need the original date of publication I need the credidentials of the author Its called Russian Collectivisation by George Beers. This is not to put in my bibliography, this is ...
May 14, 2011

Reaearch - URGENT PLZ HELP
No, its an online source. Plus my school is REALLY small. And I need my evaluation of this source in on monday. I already pasted it into my journal. Its got lots of information that I need.
May 14, 2011

Reaearch - URGENT PLZ HELP
Hi An pdf file called RUssian COllectivisation was written by a George Beers. I cant find any info on the date of publication or on the author, George Beers HELP!
May 14, 2011

General
Hey. How do I use the LOC website to find information onf the Soviet Union? Thanks
May 13, 2011

CHEMISTRY (HELP)
Which of the following is true about the reaction between sodium bromide and silver sulfate? 1. No reaction 2. Total ionic equation is identical to the net ionic equation 3. Sodium ions and sulfate ions are present in the toal ionic equation but not in the net ionic equation 4...
May 11, 2011

Chemistry
Which of the following is true about the reaction between sodium bromide and silver sulfate? 1. No reaction 2. Total ionic equation is identical to the net ionic equation 3. Sodium ions and sulfate ions are present in the toal ionic equation but not in the net ionic equation 4...
May 11, 2011

chemistry
Considering a 1.0M of each solution, which has the greatest osmolarity? 1. FeCl3 2. K2O 3. HCl 4. HC2H3O2
May 11, 2011

Speechwriting
Hey How would I go about doing a PPT, assuming that I'm delivering a speech at a conference on Waltzing Matilda. My teacher said it must not detract from the presentation.
May 10, 2011

Math Word problem with factoring...HELP!!! This questions has me stumped!? I have been working on it for days... A 10ft-by-15ft pool was installed in your backyard. You have \$3000 left that you would like to spend on surrounding the pool with a patio, equally wide on all ...
May 6, 2011

Economics
Thank-you! Do you know of any sites that specifically pertain to the airline industry?
April 25, 2011

Economics
Hey! I'm doing an assignment in which I need to research a company (Qantas)and its performance on the ASX (Australian Securities Exchange). I know that some sources of information will be the Qantas website and the ASX website but are there any other websites maybe ...
April 25, 2011

us history
What exactly do you need help with? Structure? How to frame your research?
April 25, 2011

You mean the four p's Product, Place, Promotion and Price
April 25, 2011

Hey! Is it illegal under copyright law to record sections of a video so that you can use the quotes in an assignment about the video but then delete the sections after you've used them?
April 25, 2011

Speechwriting
Hi. How can I start a speech without saying goodmorning ladies and gentlemen? But not sound rude...
April 25, 2011

1. Pages:
2. <<Prev
3. 1
4. 2
5. 3
6. 4
7. 5
8. 6
9. Next>>