Friday
December 19, 2014

# Posts by shelly

Total # Posts: 281

Math
Courtney is traveling 8 mph to a location and 6 mph back. trip is 7 hours in total. what time did she spend at each speed???
December 9, 2014

math
A company will need \$65,000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 5% annual intrest compound quarterly. Find the amount that should be invested to total \$65,000 in 6 years. the company should invest?
December 1, 2014

English
I had already checked that out prior to posting. Unfortunately, there is no explanation for citing the column, unless I'm misunderstanding. That was basically my dilemma on how to cite the column name of a newspaper. Thank you
October 8, 2014

English
I forgot to say--it has to be in MLA format. Thank you
October 8, 2014

English
I can't find on the web how to quote an article from the New York Times that appeared on the web--the catch is it has a column name This is the info: Title: Is College Worth It? Clearly New Data Say Author: David Leonhardt Column Name: The Upshot Publication date: May 27, ...
October 8, 2014

statistics
A nutritionist was interested in determining the smoking status of her clients. She asked each of her clients to report his or her current smoking status: Smoker, Ex-Smoker, and Non-Smoker. Which of the following graphical techniques is the best way for her to represent the ...
September 25, 2014

statistics
In a school election, 5 people run for student body president. The actual number of votes for each candidate would be a ___ variable. If the total number of votes were removed and the candidates were listed in order of least to most popular, this would be a __ variable. a. ...
September 25, 2014

Math
Mary has nickels, dimes and quarters worth \$12:85. If the number of dimes and the number of quarters is more than twice the number of dimes, how many more dimes are there.
September 7, 2014

math
I know the answer. I don't know how to get to the answer to this problem: The number of marbles Mari has is 2/3 the number Tanya has. Together they have 40 marbles. How many marbles does Tanya have? I know the answer is 24, but how?
August 3, 2014

math
The number of marbles Marci has is 2/3 the number Tanya has. Together they have 40 marbles. How many marbles does Tanya have?
August 3, 2014

Chemistry
Correction I think the answer is gas
July 14, 2014

Chemistry
I this the answer is gas
July 14, 2014

math
A piece of a broken wheel is shown. It was taken to a machine shop to be replaced with a new “whole” wheel. Find the radius of the wheel if AC=10cm, BD= 3cm, and D is the midpoint of AC. Round to the nearest hundredth. (note: keep in mind this circle/wheel is not ...
April 15, 2014

Math
An organization is planning a dance. The band will cost \$400 and advertising costs will be \$100. Food will be supplied at \$2 per person and tickets cost \$6 per person. How many people will have to attend the dance if the organization want to profit \$400?
April 14, 2014

physics
Given the atmospheric pressure is 10 5pa what is a gauge pressure of 0.55 mpa equal to?
March 30, 2014

physics
The mass of a vehicle is 4.25 tones concentrate 1.25 meters behind the front wheels what is the force required to jack up the rear wheels?
March 30, 2014

Math
In 1997, a typical American consumed 52 liters of bottled water, and in 2001, a typical American consumed 74 liters of bottled water. Let y be the number of liters of bottled water consumed by a typical American in the year x, where x = 0 represents the year 1997. (a) Which of...
March 8, 2014

Math
A group meeting is attended by 14 delegates. 9 of the delegates are from Atlantis and 5 of the delegates are from Zedonia. (a) In how many ways can the group choose 6 of the 14 delegates to form a negotiation panel? Show work. (b) In how many ways can the group choose 6 of the...
March 8, 2014

physics
A dust particle carrying a charge of is 2 mm to the left of another dust particle carrying a charge of . Find the magnitude and direction of the elec- tric force on the first particle.
March 5, 2014

pre cal
how did you get the nine after the A?
January 30, 2014

pre cal
where do i plug in thoes number
January 30, 2014

pre cal
the (-3,5) is the vertex how do i use that i am not completely understand
January 30, 2014

pre cal
how do you determine the the quadratic function if the problem gives you a graph with the line has points of (-3,5) and (0,-4)?
January 30, 2014

Pre cal
how do you find A?
January 30, 2014

Pre cal
how would you find the answere if they give you a graph with two points like (-3,5) and (0-4)
January 30, 2014

Pre cal
thank you so much but i am still not understanding how you got that
January 30, 2014

Pre cal
second
January 30, 2014

Pre cal
determine the function f whose graph is given the vertex is (3,-13) and the y intercept is -4 how whould i work this out
January 30, 2014

this you get all this question right?! im in the same quick check!
January 28, 2014

SCIENCE 1 QUESTION PLS HELP ASAP
Did you get the right answer?! i have to answer the same question and i dont know it!
January 19, 2014

computer applications
Microsoft word graded project lesson number...038189
January 6, 2014

English composition
List two specific,concrete original details for each sense that describing that particular testing event
December 10, 2013

PFN2
upon retirement in 20 years Simon plans to invest \$400,000 in a fund that earns 5%, what is the maximum annual withdrawal he can make over the following 15 years?
October 27, 2013

finacne
cYou think that in 15 years it will cost \$214,000 to provide your child with a 4-year college education. Will you have enough if you take \$75,000 today and invest it for the next 15 years at 5%? d. If you can earn 5%, how much will you have to save each year if you want to ...
October 27, 2013

Finance
If the average new house cost \$210,000 today, how much will it cost in 10 years if the price increased by 5% each year
October 27, 2013

physics
008 (part 1 of 5) 10.0 points A wheel makes 72 revolutions in 2 seconds. What is the angular velocity of the wheel? Answer in units of cycles/s
October 20, 2013

algebra
ok! I really don't know how to do a problem to come up with the unknown
September 25, 2013

algebra
I am having trouble figuring out how to identify the unknown number
September 25, 2013

physics
runner goes from a standstill to a speed of 7.9 m/s in 14s. what is the acceleration of the runner?
July 17, 2013

physics
A car starts 200 m west of the town square and moves with a constant velocity of 15 m/s toward the east. a.Write the equation that represents the motion of the car. b.Where will the car be 10 minutes later? c.When will the car reach the town square?
June 7, 2013

Angular momentum
What is the angular momentum if the force is 72 N, the time is 1.5seconds and the lever arm is 3.2 meters?
April 13, 2013

Chemistry
A mixture is prepared by adding 0.25 L of 2.5 x 10^-3 M MgCl2 (aq) to 0.20 L of 0.010 M H2CO3 (aq). Does a precipitate form when the two solutions mix?
April 4, 2013

english
What is the error in the sentence? Try and find a suitable replacement for the discontinued model.
February 17, 2013

Chemistry
Determine the boiling point(bp)of 0.44 m Naphthalene, C10H8, in Benzene, C6H6. kb(C6H6)=2.53, bp(C6H6)=80.1
February 11, 2013

math
sue had \$5.65 worth of quarters and dimes. she had 3 more quarters than she had dimes. how many quarters does she have? how many dimes does she have?
January 30, 2013

Chemistry
How many grams of acetic acid must be dissolved to produce 3875 ml with a Ph of 2.9?
December 13, 2012

Physic
A lamp filament is made of tungsten. Why do we get a continuous spectrum rather than a tungsten line spectrum when light from an incandescent lamp is viewed with a spectroscope?
December 11, 2012

Chemistry
If the osmotic pressure of urea (CH4N20) in water is measured at 0.0259 atm at 25 degress C what is the molartiy of the urea solution?
December 10, 2012

Science
The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 1.091×10−3 M−1s−1. What is the initial rate of reaction in a reactor ...
December 5, 2012

Physics
An automobile of mass 2000 kg is driven into a brick wall in a safety test. The bumper behaves like a Hooke’s-law spring. It has an effective spring constant of 5 × 106 N/m, and is observed to compress a distance of 8.7 cm as the car is brought to rest. What was the...
December 3, 2012

Physics!!!
Question: A(n) 3.17 m long pendulum is released from rest when the support string is at an angle of 38.6 degrees with the vertical. The acceleration of gravity is 9.8 m/s2 . What is the speed of the bob at the bottom of the swing? Answer in units of m/s What I did: y=3....
December 2, 2012

math
suppose the number of girls in class is x then, the number of boys is x+9 x+(x+9)=25
October 2, 2012

College math
October 2, 2012

Statistics - math
1-(3/4)^15-C(15,1)(1/4)(3/4)^14 -C(15,2)(1/4)^2(3/4)^13
October 2, 2012

math
Give answer in factored form. (5x)/(x^2-81) times (x+9)/(25x) I got 5x(x+9)(x-9)...?
September 6, 2012

Chemistry
How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7gFe? Fe2O3(s) + 3CO(g) => 3CO2(g) + 2Fe(s)
May 17, 2012

Basic college math
A rectangular kennel measures 26 1/2 feet by 20 1/4 feet. Find the area of the kennel in square feet.
May 2, 2012

law of torts
In order to prove that a product is unreasonably dangerous, a plaintiff's lawyer may: Hire an expert. Analyze the product warning. Demonstrate the product for the jury. Talk to other users of the product. All of the above. all the above? or hire an expert? not 100%sure
April 3, 2012

law of torts
If a manufacturer made 100,000 hair dryers and only one was defective, he could: a) Still be liable for the one defective hair dryer. b) Ask the court for punitive damages. c) Ask the court for exemplary damages. d) b and c. e) None of the above. I would think a?
April 3, 2012

Tort law
Product liability standards can be found in: a) The Restatement of Torts. b) Attorney notes. c) Court opinions. d) a and c. e) None of the above a?
April 3, 2012

introduction to law of torts
What would be considered an attractive nuisance in the law of torts? a) A pretty girl at the mall. b) A pool without a fence. c) A toxic waste dump. d) a and c. e) None of the above. b?
March 31, 2012

Math
Write a list of 5 numbers that have a median of 71,300.
March 21, 2012

math
At a fair malina ays a game in which she tosse a coin and then spins a spinner that has 5 different colors.How Many possible outcomes are there for malina?
March 21, 2012

math
At a fair malina ays a game in which she tosse a coin and then spins a spinner that has 5 different colors.How Many possible outcomes are there for malina?
March 21, 2012

math
Yes left pocket because it has 1 more quarter than the right.
March 21, 2012

statistics
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 80 people. (a) How many would you expect to be between 158 and 172 cm tall?
March 15, 2012

physics
A car traveling at 37 m/s breaks to a stop in 6.0 m and 3.5 s. What was the car’s acceleration? ﻿﻿
March 14, 2012

geometry
An oval indoor running track with semicircular ends has the dimensions of 80' long, 34' wide, and the individual lane width is 5' wide. If the track is to be resurfaced how many square feet of material will be required? Help Please!
March 6, 2012

algebra
a ball is thrown straight up into the air with an initial velocity of 128 ft/sec, the total amount of time in seconds that it takes the object to return to the earth can be calculated by using the quadratic, 128t-16t^2=0. Determine the "flight time," t, of the ball.
December 12, 2011

history
According to the Constitution, the _________ government(s) has most of the power to regulate elections. national local interstate state state?
December 8, 2011

history
The power of judicial review is found in Article I of the Constitution true or false true?
December 8, 2011

Chemistry
November 29, 2011

Chemistry
At 20 degrees C ethanol has a density of 0.789 g/ml and H2O has a density of 1.0 g/ml. What is the % by volume of ethanol of a solution made by adding 50g of ethanol with 50g of H2O? Tutor Answer: Use density = mass x volume to convert 50 g ethanol to volume and to convert 50....
November 29, 2011

Chemistry
i thought that density = m/v? i've done the math and i think you are right because based on the above formula my answer is 126.74% However, i don't understand why if the density formula is as you stated? 1/50 = .02, 1/.789 = .01578 (0.01578/0.02) x 100 = 78.9%
November 28, 2011

Chemistry
At 20 degrees C ethanol has a density of 0.789 g/ml and H2O has a density of 1.0 g/ml. What is the % by volume of ethanol of a solution made by adding 50g of ethanol with 50g of H2O?
November 28, 2011

gov.
Presidents can circumvent checks upon themselves in all of the following ways EXCEPT executive privilege. executive statements. executive agreements. executive orders. I have no idea, I can't find it in my book. the first one?
November 15, 2011

government
The Federal Administrative System's main goal is to ________________________. implement the laws that are passed by Congress and signed into law by the President be as independent as possible from the executive branch create a huge bureaucracy to ensure that government ...
November 15, 2011

government-pos110
Which of the following is true regarding U.S. Senators? A.Senators are elected to 2 year terms. B.Senators can approve executive agreements. C.Each state has two Senators. D.Senators must be 25 years old. d sounds famaliar
November 15, 2011

government-pos110
The political system in which those who have governmental authority get and retain authority directly or indirectly because of winning free elections is called: A.a republic. B.an authoritarian system. C.a direct democracy. D.a representative democracy. D?
November 15, 2011

History
How did the Indians flight against Andrew Jackson and the government
November 15, 2011

Math
Four friends contribute sums of money to a charitable organization in Haiti in the ratio of 2:3:5:8. If the largest amount comtributed is \$18,500, calculate the total amount contributed by the four people.
November 13, 2011

Chemistry
Zn + I2 ---> Zn ^+2 + 2I- will this reaction occur spontaneously?
November 7, 2011

chemistry 12
Calculate [H3O+] and [OH-] in 0.18M hyrdobromic acid, HOBr(aq) having, Ka of 2.0 x 10^-9
October 13, 2011

chemistry 12
sketch a ph curve for the titration 40.00 mLof 0.100M hyrazine H2NNH2(aq) having a Kb of 3.0 x 10^-6 by 0.100 M HCIO4(aq)
October 13, 2011

chemistry 12
Calculate [H3O^-] in a 0.15M solution of benzoic acid, HC7H5O2(aq) having a Ka of 6.4 x 10^-5 I got. 6.4x10^-5=(x)(x)/0.15 6.4x10^-5= x^2/0.15 6.4x10^-5 x 0.15 = x^2 square root of 9.6x10^-6 = square root of x^2 x= 0.003098 The pH solution is -log [0.003098] = 2.50 b.) ...
October 13, 2011

chemistry 12
Identify the two conjugate acid-base pairs in each of the following. a.) H2PO4-(aq)+HSO4-(aq) <=> H2PO4(aq)+ SO4^-2(aq) b.) HI(aq)+ CN-(aq)<==>HCN-(aq)+ I-(aq)
October 13, 2011

Chemisrty
How many milliliters of a 2.0M NaOH solution are needed to neutralize 20.0 ml of a 2.5M CH3COOH solution? How do I begin to figure this out?
October 9, 2011

math
A movie theater runs two films continuously. One film runs for 85 minutes and a second film runs for 100 minutes. Both movies begin at noon. When will the two films start again at the same time?
October 4, 2011

calculus
Damon, so what you did was apply the quotient rule to the ax part? Wouldn't the -8 be -8x then? And if I'm doing it right, would my final equation be this? 0=(5x^4+10x^3+x^2+4x+4)/(x^2+x+2)^2
October 3, 2011

calculus
f(x)=8/(x^2+x+2) Set up an equation, which when solved will give the points where the tangent line has y-intercept 5.
October 3, 2011

statistics
The following gives the height of 100 men in centimeters. 153 162 168 154 151 168 162 153 161 167 157 154 165 156 163 165 160 171 170 173 164 158 163 155 167 162 168 153 161 166 163 162 163 163 163 164 165 163 162 162 163 161 162 162 158 162 167 158 169 168 168 156 160 158 169...
October 2, 2011

MATH
Can someone please HELP me figure this out? According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were ...
September 24, 2011

The Everton college store paid \$1859 for an order of 49 calculators. The store paid \$11 each for scietific calculators. The others, all graphing calculators, cost the store \$55 eaach. How many of each type of calculator ws ordered? Please answer in detail so that I can see ...
July 26, 2011

Math
Simplify the following expression; express in terms of i. squareroot -44 (My answer was 8i and I don't think that is right) Thanks A bunch
July 10, 2011

Algebra 2
no numbers left out
July 3, 2011

Algebra 2
write a quadratic equation in the variable x having the given numbers as solution. Type the equation in standard form, ax^2+bx+c=0 solution 4, only solution
July 3, 2011

Algebra 2
The number of tickets sold each day for an upcoming performance of Handel's Messiah is given..........? by N(x)=-0.3x^2+8.4x+10, where x is the number of days since the concert was first announced. When will daily tickets sales peak and how many tickets will be sold that ...
July 3, 2011

chemistry
how much heat would it take to raise the temperature of 52.0 grams of water from 22.0 degrees celcius to 100.0 degrees celcius
June 28, 2011

Algebra
what's the square root of 7/25? How do I figure it out? I don't think I can simplify the 7, but the 25 becomes a 5? but it wouldn't be 7/5?
June 8, 2011

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