Sunday
September 14, 2014

Posts by lisa


Total # Posts: 2,992

economics
How to calculate item weight of an item
September 14, 2014

Chemistry
A portable electric water heater transfers 255 watts (W of power to 5.5 L of water, where 1 W=1J/s.How much time (in minutes) will it take for the water heater to heat the 5.5 L of water from 27∘C to 49∘C? (Assume that the water has a density of 1.0 g/mL.
September 12, 2014

chemistry
25.6mL of ethanol (density =0.789 g/mL) initially at 5.4∘C is mixed with 30.4mL of water (density = 1.0 g/mL) initially at 20.4∘C in an insulated beaker.Assuming that no heat is lost, what is the final temperature of the mixture?
September 12, 2014

chemistry
How many kilowatt-hours of energy are necessary to heat the air in the house from 9∘C to 30∘C? The heat capacity of air is 1.03 J/g∘C.A room contains 45kg of air.
September 12, 2014

chemistry
Calculate the final temperature of 30mL of ethanol initially at 15∘C upon absorption of 913J of heat. (density of ethanol =0.789 g/mL)
September 12, 2014

grammar and punctuation
The patient was taken to the operative suite, placed supine, anesthetized, and intubated in the usual fashion
September 12, 2014

SCIENCE
A flask weights 46.8 g when it is empty and 121.6 g when filled with water. When the same flask is filled with another liquid, the mass is 91.2 g. What is the density of the second liquid?
September 8, 2014

science
Describe a fourth scenario in which either the Law of Conservation of Matter or the Law of Conservation of Energy could be observed. Using as many sentences as needed, describe how an experiment could be set up to further explore your recorded observation. The goal is to show ...
September 8, 2014

math
simplify with a positive number y^-9*y^3=
August 27, 2014

algebra
Larry Mitchel invested part of his $32,000 advance at 7% annual simple interest and the rest at 6% annual simple interest. If this total yearly interest from both accounts was $2,050, find the amount invested at each. The amount invested at 7% is.... The amount invested at 6% ...
August 27, 2014

math
16 + .08x = 10 + 0.13x x=120
August 27, 2014

math
the first planhas a $16 monthly fee and charges an additional $.08 for each min. of calls. the second plan charges $10. fee and charges an addition $.13 for each min. for how many min. of calls will the cost be equal?
August 27, 2014

PHI 208
What would be the most plausible message that Groundhog Day is communicating about the relation between ethical standards and individual happiness?
August 24, 2014

PHI 208
which of these theories best describes the transformation of Phil Connors (Bill Murray) by the end of Groundhog Day?
August 24, 2014

Am I right?
I have to state three causes and effects of the cold war. Causes: -The Soviet union was trying to get surrounding countries to become communist -The acquisition of atomic weapons by America caused fear in the Soviets. -Both countries feared an attack from each other. Effects...
August 22, 2014

math
Oh okay, Thank you Mrs. Sue!
August 22, 2014

hitler
The policy of appeasement was a way that Britain and France gave Hitler whatever he wanted so he would eventually back down. I feel that, the policy of appeasement didn't have much affect because if he wanted to conquer Europe he could have. So do I put no?
August 22, 2014

math
If Britain and France had not adopted a policy of appeasement, would Adolf Hitler have been as successful as he was in overrunning Europe
August 22, 2014

ENGLISH
In what year was this article published? In what year was the film Minority Report set? What gaming console does the article mention? Why does the article mention this gaming console? What is the “Star Trek effect,” and how does it relate to what you have learned ...
August 22, 2014

Statistics
The scores for math test #3 were normally distributed. If 15 students had a mean score of 74.8% and a standard deviation of 7.57, how many students scored above an 85%?
August 22, 2014

phi 208 ethical and moral reasoning
In his discussion of virtue and honor in the military, what does Robinson consider to be the relation between integrity and magnanimity
August 21, 2014

math
What is 10% decrease of the number four? A) 3 B) 15 C) 18 D) 20 E) 30 Lucky guess... C?
August 13, 2014

Algebra
I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the “ac method” A*C...
August 10, 2014

Algebra
I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3) 9w-w^3=w (9-w^2) =...
August 10, 2014

Algebra
I also need you to check and make sure that I am using the FOIL method correctly for this problem. #82). 9w-w^3 9w-w^3=w*(w^2-9) I have to factor out the GCF, which is “w”. 9-w^2=3^2-w^2= (3-w) (3+w) = (3-w) (w+3) 3-w=-(w-3) (3-w)(W+3)=-(w-3) (w+3) 9w-w^3=w (9-w^2) =...
August 10, 2014

Algebra
I need help trying to put the correct vocabulary words when solving this problem such as grouping, factor, prime factor, GCF, and perfect square, and please check and see if I am doing this correctly. 15x^2+31x+2 In my last problem I will be using the “ac method” A*C...
August 10, 2014

Algebra
How do I factor u^2+18u+81? Please help
August 9, 2014

Algebra
Please help me simplify y^3x^6/y^5x^4
August 9, 2014

Algebra
what is the GCF of 15x^4 and 13y^2 I am having a difficult time trying to figure it out.
August 9, 2014

Algebra
what is the Greatest common factor of 4w^3 and 13w^2 I am thinking it's 52w
August 9, 2014

Algebra
I need help with this problem. What is the Greatest common factor of 12x^2 and 9x?
August 9, 2014

Math 221
Need help please explain how to get the answers for these two factoring problems and for the second problem with the "ac method". 2a^2+1+3a 15x^2+31x+2
August 8, 2014

Math 221
Need help please explain how to get the answers for these two factoring problems and for the second problem with the "ac method". 2a^2+1+3a 15x^2+31x+2
August 7, 2014

Math 221
9w-w^3 I need someone to explain step by step how do I factor this problem
August 7, 2014

Math 221
Can someone please explain this step by step
August 7, 2014

Math 221
9w-w^3 I need someone to explain how do I factor this problem
August 7, 2014

Math
In a program,class 7 students planted as many trees as their number in class. If total planted trees =144.Find how many students were there ?
August 7, 2014

Math
The question says When the square of a certain number is diminished by 5 times.. What does diminished by mean?
August 6, 2014

pol201
Presidents often resort to the use of white house czars because?
August 3, 2014

math
The length of rectangle is 120% that of the breadth. The perimeter is 88m. Find the area of the rectangle?
July 27, 2014

science
1o grams of caster sugar dissolved in 25 degrees long to does it take.
July 20, 2014

Math
Oh I think I understand, because of the invisible coefficient of 1 in front of x, it'd be 1x-0.6x = 0.4x?
July 6, 2014

Math
I'm sorry- I don't understand how x minus 0.6x equals 0.4x?
July 6, 2014

Math
Where did the 0.4x come from?
July 6, 2014

Math
When x is increased by 5, the result is 60% of increasing x by 15. What is the value of x? I got this far: x+5 = 0.60(x+15) x+5 = 0.60x + 9 x = 0.60x + 4 What is the next step?
July 6, 2014

physics
Which equation would you use when you were describing a flowing viscous fluid? Select one: a. The Bernouilli Equation b. The Poiseuille Equation c. The equation of continuity d. And of the Equation of continuity or the Bernouilli Equation or the Poiseuille Equation.
June 22, 2014

physics
The definition of an incompressible fluid is Select one: a. A fluid with a constant density at all pressures b. A fluid with no viscosity c. A fluid with a constant pressure d. A fluid with viscosity
June 22, 2014

PHYSICAL GEOGRAPHY
WHICH KIND OF MASS WASTING MOST LIKELY LEFT THIS DEPOSIT, A TYPE OF FLOW OR A TYPE OF SLIDE?
June 20, 2014

math apr
A car with a sticker price of $42,650 with factory and dealer rebates of $5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest cent.) (b) Find the monthly payment if financed at 2.5% add-on interest for 60 months. (Round ...
June 17, 2014

statistics
The true highway mileage, Y, of a specific brand of hybrid vehicle has a normal distribution with a mean of 42 and a standard deviation of 1.5. Find the probability that a randomly selected hybrid vehicle gets more than 38 miles to the gallon.
June 17, 2014

science
Its a medical term......
June 13, 2014

science
PLEASE HELP I am trying to unscramble this word eyspoopcsadhohgogtasodou
June 13, 2014

word scramble
PLEASE HELP!!!! I have a 24 letter word that I am having problems unscrambling.. eyspoopcsadhohgogtasodou
June 13, 2014

algebra
Evaluate the polynomial when x =4 Evaluate the polynomial when x = 4: x3 - 5x2 + x
June 10, 2014

math
12 different flavors of ice cream and 2 different toppings. How many different kinds of sundaes could be made if each sundae contained 2 scoops of ice cream and one topping?
June 9, 2014

algebra
solve for the indicated letter. y=5x, solve for x d=55t, solve for t
June 7, 2014

algebra
solve using the addition principles; -8+y=17
June 3, 2014

algebra
In a math class, 20 students stayed up late to watch the basketball game and 5 did not. What conclusion can you make?
June 2, 2014

algebra
In a math class, 20 students stayed up late to watch the basketball game and 5 did not. What conclusion can you make?
June 2, 2014

Math
2012 value $156 Rate $4.50 increase per year
June 2, 2014

Math
Writing a Linear Equation You are given the 2012 value of a product and the rate at which the value is expected to change during the next 5 years. Use this information to write a linear equation that gives the dollar value V of the product in terms of the year. (Let t=12 ...
June 2, 2014

algebra
Need some one check my homework. Evaluate 3p/q when p=2 and q=6. Answer:1 Use < > or = for __ to write a true sentence: 0.001 __ 0.0010 Answer:< Question 3 Evaluate -3/8 - 5/8. Answer:7 Question 4 Evaluate: 84 + (-99) + 44 - (-18) - 43 = Answer:4 Question 5 Multiply...
May 29, 2014

algebra
-2/3<-1 true or false
May 28, 2014

algebra
all three
May 28, 2014

algebra
multiply (-1)9= evaluate 84+(-99) +44-(-18)-43 Use < or> for ____ to write a true sentence. 0.001____ 0.0010
May 28, 2014

language arts
1.   Electric lighting was a novelty before it became  (1 point) unusual. common. expensive. 2.   Read the following paragraph from “The Electric Summer”: "That thrilled me, and scared me. The great world seemed to swing wide like ...
May 20, 2014

Algebra
select the approximate value of x that are solutions to f(x)=0 where f(x)= -5x^2+6x+9
May 17, 2014

science
1.   Use the image below to answer the following question. At which position does the diver have the most potential energy?  (1 point) 1 2 3 4 2.   How does the gravitational potential energy of Coaster A compare with that of Coaster B?  (1&...
May 6, 2014

Physics
The angular velocity of a process control motor is (21−12t2) rad/s, where t is in seconds. A)At what time does the motor reverse direction? I got 6.5s B) Through what angle does the motor turn between t =0 s and the instant at which it reverses direction? Can you help ...
May 5, 2014

Algebra 1b
Determine the equation of g(x) that results from translating the function from f(x)=(x+2)^2 to the right 6 units
May 4, 2014

statistics
It has been suggested that the rate of forgetting (coded as normal vs. fast) for word lists often used in psychological experiments may depend on the type of memory test employed, either free-recall or recognition. What is the best way to test this hypothesis? a. regression b...
May 3, 2014

Homework helpline?
multiply [-1]9=
April 28, 2014

MATH STATS URGENT
The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate ...
April 25, 2014

MATH STATS URGENT
The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate ...
April 24, 2014

Math
The Houston Rockets and San Antonio Spurs will play a "best two out of three" series. Assume that Houston has a probability of 1/3 of winning any game. a. Draw a probability tree showing possible outcomes of the series. Label the branches with appropriate ...
April 24, 2014

Math
A marble is drawn from a bag containing four white, three red, and two blue marbles. Without replacing the first marble, a second marble is drawn. a. Draw a two stage outcome tree for this experiment. b. Turn the outcome tree into a probability tree diagram by labeling all of ...
April 24, 2014

World History
Which of the following is true of the Antarctic Treaty System?
April 24, 2014

english
i have an assignment and i have already finished it. which is on writing a film review and there are 5 paragraphs to it so i already wrote the 4 paras but in the last paragraph it says you have to write two sub points and 2 descriptive evidences on how this connects to the ...
April 21, 2014

MATH
An open box with a square base is to be made from a square piece of cardboard 24 inches on a side by cutting out a square of side x inches from each corner and turning up the sides.Graph V=V(x)
April 18, 2014

Math
How many pounds of coffee worth $7.50 per pound must be blended with coffee worth $9.50 per pound to make a mixture of 12 pounds of coffee worth $8.00 per pound?
April 17, 2014

chemistry
I have the answers, I am just interested in the formulas so that I can solve the problems, thanks! 1. Find the boiling point of a solution composed of 110g of HgCl2 (a non-ionizing solute) in 175g of water. 2. Find the freezing point of a solution composed of 50g IBr in 120 g ...
April 15, 2014

trig
A car is on a driveway that is inclined 12 degrees to the horizontal. A force of 470lb is required to keep the car from rolling down the driveway. a) Find the weight of the car b) Find the force the car exerts against the driveway
April 14, 2014

Food and Nutrition
canada*
April 12, 2014

Food and Nutrition
How is "Healthy Ice-Cream Alternate Sandwich" a healthy recipe?? Ingredients: 10-12 ripe bananas 1/.5 cup of strawberries 22 graham crackers Procedure: 1)Mash the bananas and make a mixture with the strawberries and bananas 2)Freeze the mixture 3)put the mixture ...
April 12, 2014

Food and Nutrition
thankyou this is what I needed. I appreciate your help
April 11, 2014

Food and Nutrition
this is only about a children's party..at parties wut affects their nutrtion for example a social challenge can be what their friends are eating they will eat. STUFF LIKE THAT
April 11, 2014

Food and Nutrition
I need to find the relationship between nutritional needs and : -social challenges -emotional challenges -physical challenges at childrens parties. I just want some points so I can expand my powerpoint
April 11, 2014

Food and Nutrition
I understand the assignment..i just can't think of some points that is why im on this website.. you don't understand what im trying to ask??
April 11, 2014

Food and Nutrition
i dont really know...
April 11, 2014

Food and Nutrition
Children's Parties The stage 'children (ages 4-12 years) Relationship between nutritional needs and: - physical challenges -emotional challenges -social challenges THESE RELATIONSHIPS REGARDING CHILDREN AT PARTIES AND FOOD.... i just need some points..
April 11, 2014

University
thx
April 10, 2014

University
yes so it doesnt matter whether i get a degree from college or university right? At workplace it will be treated the same right?
April 10, 2014

University
yeah that's why i putin Canada..bcz ik states go differently
April 10, 2014

University
Well so I applied to many Universities in Canada, and I applied to many colleges..I got into Bachelor of Child Development at Seneca college also Bachelor of Commerce. I don't think I will get into a University. Is it bad in the future if I have a degree from College not a...
April 10, 2014

english
Fascinated,Nina stared at the stranger.Who was standing in the doorway. She wondered if she could convince him they had met before. Where is the fragment and how do I fix it?
April 9, 2014

chemistry
what is the molecular mass of a gas if 0.833 g of it occupies 210 mL at 106.3 kPa and 8 degrees Celsius.
April 6, 2014

maths
i am a
March 30, 2014

Math please check my answer?
Thank you. :)
March 27, 2014

Math please check my answer?
This is my last question. What is the domain of the function below? f(x)= e^(x-4)-2 I got all real numbers is that correct?
March 27, 2014

Math
What is the domain of the function f(x)= x+6? I got -infinity < x < infinity
March 27, 2014

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