Saturday
October 25, 2014

Posts by larry


Total # Posts: 658

math
What to Do: Consider the following, and then do the calculations to solve (formulas and concept explanations in the book). Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost ...
October 24, 2014

math
Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using cost-based pricing and a markup of 20%, what should the price be? Show ...
October 24, 2014

math
What to Do: Consider the following, and then do the calculations to solve (formulas and concept explanations in the book). Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost ...
October 24, 2014

math
Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using cost-based pricing and a markup of 20%, what should the price be? Show ...
October 24, 2014

hw
A railroad car of mass m = 30000 kg moving at v1 = 2.9 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at v2 = 1.711 m/s. What is the magnitude of the kinetic energy lost in the collision? Answer...
October 14, 2014

hw
A 30-06 caliber hunting rifle fires a bullet of mass 0.00829 kg with a velocity of 662 m/s to the right. The rifle has a mass of 3.7 kg. What is the recoil speed of the rifle as the bullet leaves the rifle?
October 14, 2014

physics
A force of 3.25 N acts on a(n) 3.8 kg object for 16.5 s. What is the object’s change in momentum?
October 14, 2014

Calc
I need help finding the correct formula after finding the doubling time and continuous percentage. I got the doubling time of 24 days and the continuous percentage of 2.89%. Homework asking use the doubling time to find the continuous percent growth rate and give a formula of ...
October 3, 2014

Science
Help me unscramble the words acnsrl spgei
September 14, 2014

Research Methods
I have been racking my brain around standard deviation. I came to the conclusion it being a measurement of scores that entails a range of high or low due to the scores or variables. My question is: Why normality is required for standard deviation applicability?
July 30, 2014

math
Rich is 1.5 meters tall and cast a 0.75 meter shadow. At the same time a nearby flagpole cast a 3 meter shadow. How tall is the flagpole?
May 21, 2014

Algebra Help!
1.) The chief designer for a large automobile company is considering 4 different radiator grills, 2 different style of headlights, and 5 different rear fender designs. If an automobile style consists of a grill, headlight, and rear fender, how many different styles of ...
May 8, 2014

Math Help!
1. Find the 4th term in the binomial expansion.(2x + 3y)^6 2. Use synthetic division and the remainder theorem to find P(a). P(x)= x^5 + 3x^4 + 3x − 7; P(-1) 3. Factor the expression on the left side of the equation. Then solve the equation. x^6 + 128x^3 + 4096 = 0 4.) ...
May 8, 2014

Math 120
Drop a stone in a well, the sound is heard 17 seconds later. How deep is the well in feet
April 27, 2014

psychology
Traumatic events do not always result in a diagnosable psychological disorder What factors determine how a person may be affected by one such event?
April 18, 2014

Math
28+7=38 35-28=7
March 1, 2014

Math
The sum of two numbers is 35 and their difference is 7. What are the two numbers?
March 1, 2014

math
rene put 2 blue marbles, 2 green marbles, 2 red marbles and 2 white marbles in a bag, if Rene takes 1 marble out of the bag without looking, what is the probability of rene drawing a blue marble?
January 30, 2014

math
Find the next two numbers 6,12,9,18, 15 ___ ____
January 22, 2014

Social study
In the election of 1860 thr --- won the election votes of all the free state except a fraction of the New Jersey votes
December 27, 2013

chemistry
This is a simple stochiometric question first convert to grams using density. 2813(mL)*1.45(g/mL) = 4078.85g then convert this to moles of Nitroglycerin (requires molar mass) (4078.85g)/(227.087g/mol)= 17.96mol of C3H5N3O9 Next, use your mol ratios to convert to moles of M2 (...
December 15, 2013

Algebra 1 (Reiny or Kuai)
Hij gxtxt j. Ycg DIY I c. FDIC icy fix cig. GUI g,7 if. Go. Ty. G u yuc u. Uh c y yuck. U uuvugugv hub u uuvu y out u. UFO. Fig gxtxt cough y y y h yuc yucky tactic tvtc tort guff ft
December 9, 2013

Algebra 1 (Reiny or Kuai)
Hi
December 9, 2013

math
how to find out y intercept on a graph and slope of the graph
October 29, 2013

descrete and combinational math
How do i write (x+ y /(z^2 + 3) )-xy as a polish notation ?
October 28, 2013

Intro to Computers
In computing, a single byte represents a. one unit of disk space b. a pixel on the monitor c. an on or off electronic switch d. a character of data
October 11, 2013

physics
How much work does the force of the pole do on the boat during the displacement?
October 11, 2013

physics
A boat of mass 120 kg floats in a stream. You push on the boat with a pole, exerting a force of (175 i hat - 145 j hat) N. The boat moves through a displacement dvec = (23.0 i hat - 8.0 j hat) m along a straight line.
October 11, 2013

Statistics
You are dealt a hand of three cards, one at a time. Find the probability that your third card is your first jack. A) 0.068 B) 0.145 C) 0.127 D) 0.077 E) 0.00018 How do I set this problem up?
October 5, 2013

Statistics
In an Intro Stats class, 57% of students eat breakfast in the morning and 80% of students floss their teeth. Forty-six percent of students eat breakfast and also floss their teeth. What is the probability that a student from this class eats breakfast given they floss their ...
October 4, 2013

Statistics
You are dealt a hand of three cards, one at a time. Find the probability that your third card is your first jack. A) 0.068 B) 0.145 C) 0.127 D) 0.077 E) 0.00018
October 4, 2013

Statistics
A package of self-sticking notepads contains 6 yellow, 6 blue, 6 green, and 6 pink notepads. An experiment consists of randomly selecting one of the notepads and recording its color. Find the probability that a green notepad is selected given that it is either blue or green. A...
October 3, 2013

math
All your answers are wrong. I suggest you do some research and find out the definitions of deductive and inductive reasoning and the differences between them. 1. Deductive 2. Inductive 3. Inductive
September 28, 2013

math
64*15 = 12n let n be number of workers divide both sides by 12 (64*15)/12 = (12n)/12 80 = n thus it takes 80 men to complete the job in 12 days.
September 28, 2013

Science
(kg*m/s2)/(m/s2) The m/s2 cancels out. Answer: kg
September 27, 2013

phyics
A car is traveling at a constant speed of 31.8 m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has a constant acceleration. What acceleration must it maintain, so that the ...
September 24, 2013

Algebra, easy problem
Find the value of k so that the line containing the points (−4,1) and (k,−2) is perpendicular to the line containing the points (−9,5) and (−5,0).
September 14, 2013

physics
a crane drops a 1.0 kg steel ball onto a steel plate. the ball's speed just before impact is 2.0 m/s. if the average impact force is 300 N, and the ball is in contact with the plate for 0.01 seconds, what is the bounce back speed right after the impact.
July 8, 2013

physics
a cannon with mass of 2000kg fires a 10kg shell at an angle of 60 degrees above the horizontal. if the recoil velocity of the cannon across the level ground is 0.5 m/s what is the velocity of the cannon ball.
July 8, 2013

physics
a 1000 kg car with an average power of 100 kw accelerates from 0 to 50 m/s. how long does it take to accomplish this
July 7, 2013

math
___% of 3.75 =2
May 31, 2013

math
Solve for x sin2x=cos(x+30)
May 19, 2013

Algebra
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 6,500 + 400 ln a (a ≥ 1) How many units are sold after spending $1,000? (Round your answer to ...
May 9, 2013

math
776÷ (1/4 + 1/5)
May 3, 2013

chemistry
How many grams of dichloromethane result from reaction of 1.60 of methane if the yield is 48.8 ?
April 9, 2013

algebra
use distributive property to factore each expression 42q - 21
February 24, 2013

Physics
I've been stuck on this equation for a while and I don't know if i'm missing a key part to the equation.. i just need help! If the gravitational field strength at the top of Mount Everest is 9.772 N/kg, approximately how tall (in feet) is the mountain? F= g ( m1 x ...
January 21, 2013

math
Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20 kilometers per hour?
January 13, 2013

math
Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20 kilometers per hour?
January 12, 2013

math
Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20 kilometers per hour?
January 12, 2013

math
Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20 kilometers per hour?
January 12, 2013

chem
calculate the surface energy of 100 surface of niobium. The enthalpy of atomization of niobium is 745 kj/mol. express anser inunits of j/cm^2
January 11, 2013

chem
(a) What is the pH of 50 mL of a 0.2M glycolic acid aqueous solution after adding 5 mL of 0.25 M KOH? The pKa of glycolic acis is 3.83 at 25 ∘C.
January 11, 2013

intergrated math 1
x2+7x+10
December 14, 2012

AP Physics B
system consists of a steal beam of mass M 􏰀 68.4 kg and length L 􏰀 1.84 m, with a 39.0-kg brass sphere attached at the right end of the rod, as shown below. BA a. Determine the moment of inertia of the system for rotation about an axis through the center of ...
December 11, 2012

Physics
Thanks so much Elena !
November 18, 2012

Physics
answers in the back of the book are 6.9 x 10^-5 cm and 1.13 x 10^5 Hz
November 18, 2012

Physics
A film of magnesium fluoride (n=1.38), 1.25x10^-5 cm thick, is used to coat a camera lens (n=1.55). Are any wavelengths in the visible spectrum intensified in the reflected light? ---------------------------------------- Bats use the reflections from ultra-high frequency sound...
November 18, 2012

Social Studies
Thanks so much Ms. Sue! I definitely understand #1 with your example.
November 2, 2012

math
Shelly sews a blanket that has an area of 170 square feet. it has 30 square blocks, each the same size. What is the approximate length of each side of a block. a. 1 foot b. 2 feet c. 3 feet d. 4 feet I doubled checked and the problem is correct. I just can't figure it out.
October 30, 2012

Social studies
I am learning about scarcity in my SS 6th grade and I am unsure about this question. Which sentence best tells the effect of scarcity on economics? A. Scarcity shapes decisions about how to distribute goods B. because resources are scarce consumers buy fewer goods C. Scarcity ...
October 23, 2012

Political Science
What are the factors that keep an ideology alive? How does an ideology survive through decades? Is it because of the people, economic structure of a state or simply that once an ideological concept has been developed that it cannot truly disappear?
October 14, 2012

Science/chemistry
Is PO3 a mixture or compound. Is MgCl a mixture or compound. Thanks
October 14, 2012

Math
A certain computer can perform 10 to the 5th power calculations per second. How many calculations can it perform in 10 seconds?
October 11, 2012

Math
If f(x)=ax^2+b f(-3)=-3 and f'(-3)=2 find the coefficients a and b.
October 11, 2012

Algebra 2
13/17
October 10, 2012

Algebra 2
The Denominator of a fraction exceeds the numerator by 4. When 3 is added to both the numerator and denominator, the fraction becomes 4/5. Find the fraction.
October 10, 2012

Political Science
What are the factors that keep an ideology alive? How does an ideology survive through decades? Is it because of the people, economic structure of a state or simply that once an ideological concept has been developed that it cannot truly disappear?
October 10, 2012

Physics
Marcy and joe are racing on their bikes. Starting from rest, if Marcy has an average acceleration of 5.7 m/s? for the first five seconds how fast was he traveling at the end of those five seconds?
September 26, 2012

Language Arts
What are the following sentences. 1. - Isn't it time for the ircus to come to town? - Interrogative sentence 2. Buy a ticket for each of us. - Imperative sentence 3. Should I get tickets for this weekend? Interrogative sentence 4. Check to see if everyone can go then. ...
September 10, 2012

chemistry
How much ethanol is required to make a 2L of a 70%ww solution?
July 28, 2012

geometry
Find the similarity ratio and the ratio of perimeters for two octagons with area 18 square inches and 50 square inches
July 18, 2012

math
compute the value of 0.2^-4 express answer numerically
July 7, 2012

chemistry
What is the wavelength of a photon that has an energy of E = 4.01×10^-19J ?
July 7, 2012

Math
The sum of the ages of a brother and sister is 27. If four times the brother's age is subtracted from three times the sister's age, the difference is 11. Express your answer in terms of the symbols b and s. 27=?
July 7, 2012

math
Julie spent $50 on a book. The cost of the book was $24 less than twice what she spent on a backpack. How much did the backpack cost?.
July 7, 2012

chemistry
what mass NaOH is required to react exactly with 25.0 ml of 3.0 M H2S04
July 1, 2012

algebra1
factor: 64a^2-48a+9
June 30, 2012

Accounting
What account class would cash prize payment be under? A. Operating expense B. Cost of Goods Sold C. Asset D. Expense E. Liability I'm stuck between A, B, D. Help. thanks.
June 14, 2012

Math
The ratio of the cost of an adult ticket to a student ticket for the circus is 5:3. If $32 is the total spent on tickets, how much was each adult ticket and how much was each student ticket?
June 3, 2012

Physics
Why does a transformer require alternating voltage?
May 28, 2012

Physics
a. In which case will there be more current in each of three lamps - if they are connected to the same battery in series or in parallel? b. In which case will ther be more voltage across each lamp?
May 19, 2012

MACRO 2 ECON
2.4 (Investment and the Multiplier) This chapter assumes that investment is autonomous. What would happen to the size of the multiplier if investment increases as real GDP increases? Explain. LO3 3.1 (Shifts of Aggregate Demand) Assume the simple spending multiplier equals 10...
May 15, 2012

algebra
Break-Even Analysis: A Look at Profit and Loss: As an entrepreneur, there are going to be many decisions that you need to make, such as the price to charge your customers for your goods and services. You have just graduated from college and recently opened a specialty pizza ...
May 11, 2012

english
infinative
May 3, 2012

english
elliptical clause ?
May 3, 2012

english
okay and the next one is 3.Put the sizes on the uniforms while sorting them out. and the italicized is sorting them out,can only be adverb clause infinitive phrase past participial phrase elliptical clause adjective clause
May 3, 2012

english
these are the choices that it can be adverb clause infinitive phrase past participial phrase elliptical clause adjective clause
May 3, 2012

english
not changed at all is italicized
May 3, 2012

english
okay thank you here's the next one 2.Although her personality had not changed at all, Megan looked quite different. i know its not a adjective clause
May 3, 2012

english
so it would be a past or present participle?
May 3, 2012

english
so that's not the grammatical structure of it? but doesn't it have a gerund in it?
May 3, 2012

english
so did i get it right??
May 3, 2012

english
okay and the question is asking what is the grammar function of the italicized words or phrase
May 3, 2012

english
am i right?
May 3, 2012

english
if the remaining turbulent,will be postpone our canoe trip and i think its prepositional phrase with a gerund?
May 3, 2012

english
remaining or turbulent
May 3, 2012

english
need help on italicized portion of the sentence? 1.The weather remaining turbulent, we will postpone our canoe trip.
May 3, 2012

geology
its compressed air so when you let it out it spreads and is cold
May 3, 2012

Physics
If you do 12 J of work to push 0.001 C of charge from point A to point B in an electric field, what is the voltage difference between points A and B?
April 30, 2012

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