Friday
April 18, 2014

Posts by Lisa


Total # Posts: 2,925

Intermediate algebra, concepts and graphs
This is the answer I came up with and the website for my homework says it is wrong. I thought I was doing this equation wrong. Thank you.

Intermediate algebra, concepts and graphs
How would I figure out another rectangle equation? The length of a rectangle is 4 meters less than 3 times the width. The perimeter is 24 meters. Find the width.

Intermediate algebra, concepts and graphs
How did you do this? What are the steps? I would like to know how to figure this out too. Thank you.

Intermediate algebra, concepts and graphs
A rectangle is 7 times as long as it is wide. The perimeter is 80 feet. find the dimensions.

PHI 208
Many philosophers insist that our most strongly held beliefs should be examined and critically evaluated. Using the required text and outside sources, explain what philosophers mean when they say that beliefs need justification? What is the importance of subjecting our beliefs...

Finance
You hold a diversified portfolio consisting of a $10,000 investment in each of 15 different common stocks (i.e., your total investment is $150,000). The portfolio beta is equal to 1.1 . You have decided to sell one of your stocks which has a beta equal to 0.9 for $10,000. You ...

Finance
Calculate the required rate of return for Mercury Inc. to the nearest .1 Assume that investors expect a 3.0 percent rate of inflation in the future. The real risk-free rate is equal to 5.8 percent and the market risk premium is 9.3 percent. Mercury has a beta of 1.5 , and its ...

chemistry
How much milk at 10 degrees would need to be added to 250 ml of coffee at 95 degrees celsius to cool the coffee to 90 degrees celsius

computers (Check)
I had someone help me and those are the right answers. Thanks anyway.

computers (Check)
Will someone please check my C++ for me? 1. What does the Load ( ) method do? Gets data from a file and puts it into a DataSet object. <----- Gives a value to an attribute of an XmlElement object. Deletes all the data in a DataSet object. Tells a form to appear. 2. Scenario...

math
The length a spring stretches is directly proportional to the force applied. If a force of x pounds stretches a spring h inches, how much force is necessary to stretch the same spring m inches? (Assume x = 7, h = 4, and m = 15.)

business math
450

algebra
what is the diffance of a number and 20 more than than that number use x

PHI 103
I need some references of stereotype

PHI 103 disc 2
Do you think it is more likely that you will not be fooled by these fallacies having studied logic? What do you think those presenting these arguments assume about the logical skills of their viewers? Is this a good or bad assumption for them to make?

PHI 103 disc 2
Identify two distinct fallacies you see committed in the media.

math
What is the portion if the base is 900 and the rate is 12 3/4

PHI 103
construct three different arguments that display distinct fallacies. Give an explanation of why each makes a mistake in drawing the conclusion it does.

Philosophy
LOGIC and ARGUMENTS – the simple elements Arguments are Composed of THREE PARTS: 1) Premises = basic, commonly accepted reasons – the “why’s,” and “how’s.” 2) Inferences = reasoned “guesses” or based assertions connecting concl...

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 + 200 ln a (a ≥ 1) How many units are sold after spending $1,000? (Round your answer to t...

trigonometry
tanx/2=tanx/secx+1

Fnance
If a firm has a debt-equity ratio of 1.6, then its total debt ratio must be?

Chemistry
In the titration of 14.0 mL of 0.10M acetic acid with 0.40 M NaOH, (A) How many mL of NaOH needed to completely neutralize the acid? Given the balanced equation: CH3COOH (aq) + NaOH (aq) 􏰀 CH3COO Na (aq) + H2O

ashford
16. Functional foods are those containing nutritional supplements in addition to natural nutrients. Examples include orange juice with calcium and eggs with omega-3. Kolodinsky, et al. (2008) examined attitudes toward functional foods for college students. For American student...

algebra
The number of gallons of water, y , in a tank after x hours may be modeled by the linear equation y = 800 - 50x . Which of the following statements about the tank is true? It is filling at a rate of 50 gallons per hour. • It is emptying at a rate of 800 gallons per hour. ...

algebra
The number of gallons of water, y , in a tank after x hours may be modeled by the linear equation y = 800 - 50x . Which of the following statements about the tank is true? It is filling at a rate of 50 gallons per hour. • It is emptying at a rate of 800 gallons per hour. ...

algebra
Find the slope of the line that passes through the points (–3, –6) and (1, 6).

math
if the volume of a room is 864 and the length and width are the same, what is the height?

math
70% of 72=

calculus
A paper cone is to be formed by starting with a disk of radius 9cm, cutting out a circular sector, and gluing the new edges together. The size of the circular sector is chosen to maximize the volume of the resulting cone. How tall is the cone?

calculus
A paper cone is to be formed by starting with a disk of radius 9cm, cutting out a circular sector, and gluing the new edges together. The size of the circular sector is chosen to maximize the volume of the resulting cone. How tall is the cone?

calculus
Consider the region above the graph of y=x^2 and below the graph of y=x+2. What is the area of this region?

calculus
Consider the region above the graph of y=x^2 and below the graph of y=x+2. What is the area of this region?

calculus
A paper cone is to be formed by starting with a disk of radius 9cm, cutting out a circular sector, and gluing the new edges together. The size of the circular sector is chosen to maximize the volume of the resulting cone. How tall is the cone?

chemistry
When totally digested by acid and rocessed into a sample of one liter solution volume for spectroscopy, a 3.21 gram sample of alloy yeilded an absorbance of 0.288. Calculate the percent by wieght of iron in the alloy sample

calculus
Let A be the region in the plane consisting of those points (x,y) such that 0≤y≤1−x^2. Rotate A around the x-axis in space. What is the volume of the resulting solid?

calculus
Let f(x)=3x^2+x+3/2x+1. What is the derivative of f with respect to x

calculus
limx→4 4x^2−15x−4/x−4.

Math
a person deposited $500 in a savings account that pays 5% annual interest that is compounded yearly. at the end of 10 years, how much money will ve in the savings account?

Managerial Accounting
IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using the time value of mo...

Managerial Accounting
IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using the time value of mo...

Managerial Accounting
IRR: Even Cash Flows Williams and Park Accounting Practice is considering investing in a new computer system that costs $9,000 and would reduce processing costs by $2,000 a year for the next six years. Required: Calculate the internal rate of return, using the time value of mo...

Managerial Accounting
Kim Johnson purchased an asset for $80,000. Annual operating cash inflows are expected to be $30,000 each year for four years. At the end of the life of the asset, Kim will not be able to sell the asset because it will have no salvage value. Required: What is the net present v...

Chemistry
A student in lab gathered temperature and concentration data for the solubility of borax and generated a plot of ln(Ksp) vs. 1/T having the equation of the line y = -11655x + 35.585. Determine the temperature (in units of K) at which the reaction becomes spontaneous.

4th
solve 1/2 + 17/35 =

science
If a population is not in genetic equilibrium, what must be occurring in the population

POEM FOR MS.SUE
Aww. That is sweet. Ms. Sue has helped me in the past, too. I am grateful for her.

Math
Try drawing it. Plot a point in the middle of three of the sides. It cuts the rectangle in half. The area that remains would be 18 square units. Now draw a line from the middle of the base of the triangle (the line cutting the rectangle in half) up to the point above it. You h...

7th grade science
Both parents can't be GG, because then all of the offspring would be GG. Both parents can't be gg, because then all of the offspring would be gg. You can't have one parent be GG and the other one be Gg, because some of the offspring would be GG. You can't have ...

Trig
Solve exactly over 0 ≤ θ < 2π secx + tanx = 1

science
Assuming that a population is mating randomly, no mutation or gene flow is occurring, calculate the frequencies of the two alleles for the five generations shown in the table below. Generaton #AA #Aa #aa p q Initial (P1) 42 46 12 0.65 0.35 F1 40 45 15 (?) (?) F2 38 49 13 (?) (...

accounting
On April 25, 2010, Bullseye Company purchased all of the outstanding common stock of Vista Company, paying $14,000,000. The book values and fair values of Vista's assets and liabilities acquired are shown below in dollar amounts: Accounts Book Value Fair Value Accounts Rec...

life orintation
In 10-15 lines critically discuss 5 ways in which human or environmental problem on the community(water pollution)

Science
When 2 resistors, R1 and R2 are connected in series across a 6V battery the potential difference across R1 is 4V. When R1 and R2 are connected in parallel to the same battery the current through R2 is 0.45 A. Find the values of R1 and R2. Thanks :)

grade12 life orintation
which 5 ways you critically discuss how lifestyle disease/behaviour impact on the teenager (cancer)

grade12 LO
describe the lifestyle disease/behaviour of cancer and mention 5 factors that contribute to the disease/behaviour of cancer

Chemistry
How do you calculate the standard enthalpy change for the reaction of an aqueous solution of barium hydroxide, Ba(OH)2, with an aqueous solution of ammonium nitrate, NH4NO3, at 25 degrees C? The complete ionic equation is: Ba2+(aq) + 2OH-(aq) + 2NH4+(aq) + 2NO3-(aq) ---> 2N...

college math
An initial investment of $1000 is appreciated for 4 years in an account that earns 6% interest, 2) compounded semiannually. Find the amount of money in the account at the end of the period.

CHEMISTRYY!
@DrBob222 I worded the question exactly like they have asked it. What would be the equation for HNO3 with Sn? And how do you figure out these equations?

CHEMISTRYY!
Determine if HNO3 can dissolve in the following metal: 1) Write a balanced chemical reaction showing how the 2.09g Cu dissolves in HNO3. I had put down: Cu(s) + 4HNO3(aq) ——> Cu(NO3)2(aq) + 2NO2(g) + 2H2O(l) but it's wrong. 2) Determine the minimum volume of 6...

math
A family refers to a group of two or more people related by birth, marriage, or adoption who reside together. In 2000, in Country A, the average family net worth was $230,000, and there were about 7.2*10 to the seventh power families. Calculate the total of family net worth in...

Math
Seattle Chocolates for the year ended December 31, 2002: The following are selected items from the accounting records of Seattle Chocolates for the year ended December 31, 2002: Note payable to northwest Bank $500,000 Income taxes payable 40,000 Accrued expenses and payroll ta...

Math
Harper Co. has outstanding $100 million of 5% bonds, due in 7 years, and callable at 102. The bonds were issued at par and are selling today at a market price of 92. If Harper Co. retires $10 million of these bonds by purchasing them from bondholders at current market price, t...

math
The Thompson Company uses standard costing and has established the following direct material and direct labor standards for each unit of Lept. Direct materials: 2 gallons at $4 per gallon Direct labor: 0.5 hours at $8 per hour During September, the company made 6,000 Lepts and...

chem
consider the system I2(g)+262 KJ ¡ê 2 I (g) at 1000¡ÆC. In which direction, if any, will the reaction proceed if gaseous iodine atoms are added, the system is compressed, the temperature is decreased, a catalyst is introduced, and gaseous idodine atoms ...

Math
Suppose you had d dollies in your bank account.you spent $12 but have at least $51 left.how much money did you have initially?write and solve an inequality that represents this situation.

math
A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85, 94, 83, and 84. Her final examination score...

Counseling
are there in big differences in the ACA and NCDA codes of ethics?

Math
Im helping my son to find the area of a rectangle that is 7 3/8 inches and 4 inches the height. I need to know how to convert the fraction into a whole number.

math
How do you evaluate the following: Bill has two times as many coins as Tina.

calculus
I have spilled 200cm^3 of vegetable oil on my kitchen floor. The resulting oil slick can be modeled as a cylinder with a very small height; the height is decreasing at a rate of 1/1000πcm/sec and the radius is currently 50cm. How quickly is the radius of the oil slick inc...

calculus
Consider the interval I=[6,7.6]. Break I into four subintervals of length 0.4, namely the four subintervals [6,6.4],[6.4,6.8],[6.8,7.2],[7.2,7.6]. Suppose that f(6)=19, f'(6)=0, f'(6.4)=−0.5, f'(6.8)=−0.1, and f'(7.2)=−0.1. What is the approxi...

Chemistry
For calculating the concentration of a metal Ion in Equilibrium with a complex ion...how do I get the right hand side of this equation to equal 5.9 E -8? x(0.98 + 2x)2 _____________ = 1.7 E 7 (0.010-x) then, x(0.98)2 ________ = 5.9 E -8 0.010 I understand that you cancel out t...

calculus
Consider the interval I=[6,7.6]. Break I into four subintervals of length 0.4, namely the four subintervals [6,6.4],[6.4,6.8],[6.8,7.2],[7.2,7.6]. Suppose that f(6)=19, f'(6)=0, f'(6.4)=−0.5, f'(6.8)=−0.1, and f'(7.2)=−0.1. What is the approxi...

Language Arts
Directions: Read the poem and answer the questions that follow. Fossil Flitting, flickering, flashing black, white, and a note of red passes beneath trees that were already old at the end of the Civil War. The lovely departed species announces its fearless refusal to cease to ...

physics
a kids marble rolls of a 63 cm tall table a a speed of 30 cm/s. How far from the based of the table will the ball land?

math
its -2x+9

math
find the inverse of each function. is the inverse a function? 1) f(x)=-2x+9 2) f(x) x^2+2

Maximum Area-Calculus-Edit
THANK YOU SO MUCH! I got 250 for each dimension :)

Maximum Area-Calculus-Edit
We have 900 ft of fencing and we want to construct a back yard. If we are using the building as part of the barrier for the yard what are the dimensions that allow maximum area? I am not even sure how to start though I know I am supposed to calculate the derivative of the setu...

Maximum Area
As the text drawing did not come out clear I hope this may clarify what I meant. imgur /F5NJVqp

Maximum Area
I do not think I made it clear sir. The part where I was stuck was where 100 ft. of the building is covered by the side of the yard. ___________________ | yard | | | -------------------- } building { ------------ the building length is 100 feet Sorry for any confusion this cau...

Maximum Area
We have 900 ft of fencing and we want to construct a back yard. If we are using the building as part of the barrier for the yard what are the dimensions that allow maximum area? I am not even sure how to start though I know I am supposed to calculate the derivative of the setu...

Concavity-Calculus
Determine the concavity for f(x)= 4/x^2-1 I took the second derivative and solved for zeros. I got x=-1 and x=1. However when plugged into the orig. equation this results in 4/0 (undefined). Does this mean there is no concavity?

Calculus Derivative- Taylor Series?
*look

Calculus Derivative- Taylor Series?
Yes I did get those as my derivatives. Thank you very much for your help Reiny. I did not know which patterns to look for. I think that it would be (-1)^n for the alternating neg. and pos.? Then n! for the factorial? And lastly x^ -(n+1) for the power of x in the denominator? ...

Calculus Derivative- Taylor Series?
let f(x)= x/x-1 find f'(x) f ''(x) and a formula for f ^ (n) * x. I found the first and second derivatives but do not know how to make a general equation for this. I have not learnt the Taylor or Maclaurin Series either. Thank you.

math
describe the transformation of y=log (x-4) -1 2 from the graph of y=log X. 2 then state the asymptote and the domain range.

Chemistry
How will the addition of sodium acetate to an acetic acid solution affect the pH? A. solution becomes hotter B. It will lower the pH C. It will raise the pH D. pH will not change E. pH cannot be measured I selected answer D and got it wrong. I don't understand why...

math
8^x+1=3

math
log(3x+1)=2

math
write a polynomial function in standard form with the given zeros. 1-2i,2

math
solve each equation 1) log5-log2x=1 2) 2log(x+1)=5

math
describe the transformation of y=8^x+2 from the graph of y=8^x then state the asymptote and domain and range.

calculus
Let f(x)=e^(x2). By the Mean Value Theorem, there exists a point c such that f′(c)=f(6)−f(4)6−4 with c between 4 and 6. Approximate c to within two decimal places; we're asking you to approximate c, because you can't "solve" for c.

calculus
its cubed

calculus
Use a linear approximation of f(x)=^3√x at x=8 to approximate ^3√7. Express your answer as an exact fraction.

math
Einsteins famous formula E=mc^2 relates energy E,mass m and the speed of light c. solve the formula for c.

calculus
Use the Euler Method with a step size of 0.2 to estimate f(3) where f′(x)=2x−7 and f(2)=4. Your answer should be correct to two decimal places.

calculus
Use a linear approximation of f(x)=log(x) at x=1 to approximate log(3/4). Express your answer as an exact fraction; remember that log denotes the natural log.

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