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Posts by Lori

Total # Posts: 500

Calculus
lim x->0 (sinx)^x

economics
19-1 Bicycle Insurance and Information Asymmetry If bicycle owners do not know whether they are high- or low-risk consumers, is there an adverse selection problem? 19-2 IPOs and Adverse Selection Should owners of a private company contemplating an IPO (a sale of stock to the ...

economics
19-1 Bicycle Insurance and Information Asymmetry If bicycle owners do not know whether they are high- or low-risk consumers, is there an adverse selection problem? 19-2 IPOs and Adverse Selection Should owners of a private company contemplating an IPO (a sale of stock to the ...

math
writing algebraic expressions: 1. there were 3 times more sugar cookies baked than chocolate chip cookies 2. the kids ate 10 fewer cookies than the number of pies they made to sell 3. kino & sandra made 12 more pounds of cookie dough than tommy

Justice
D) b and c

math
I am sorry i cant find a way to add a picture of the diagram

math
mr.periwinkle owns a ranch.he wants to add an area in the shape of an equilateral triangle to one of his rectangular fields.if the length of the rectangular field is 3x feet and its area is (9x^2-6x)square feet,write an equation for the amount of fencing needed to make the new...

calculus optimization problem
A farmer has 460 feet of fencing with which to enclose a rectangular grazing pen next to a barn. The farmer will use the barn as one side of the pen, and will use the fencing for the other three sides. find the dimension of the pen with the maximum area?

calculus
find the interval(s) where the following functions are increasing and decreasing. f(x)= x/4 + 4/x

calculus
suppose the quantity demanded per week of a certain dress is related to the unit price p by the demand equation p=sqrt800-x. write the function that describes the revenue function? To maximize revenue how many dresses should be made and sold each week?

statistics
Suppose that the heights of female adults in the US are normally distributed with a mean (µ) of 65.4 inches and a standard deviation (σ) of 2.8 inches. Let X denote the height of a randomly chosen adult female. Find the probability that X is between 66 and 70 inches:

Computers
Select the first step in the Informative Processing cycle. storage output input processing

Business English
Which of the following statements is essential about how the standard pattern for informative and posiive messgaes should be applied? Use all five of the elements of the basic organizational pattern present each element in a separate paragraph of its own Present the ...

math
when rolling a die, do you think everyone will have the same results

Algebra
T o convert from X degrees centigrade to y degrees fahrenheit the function is f(x) 9/5x +32 find the inverse function f of negative 1. what does the inverse function represent? graph Help me!

science
Why do manufacturing industries have more problems controlling pollution then other kinds of businesses have?

College Physics PLEASE HELP
A cylindrically shaped piece of collagen is being stretched by a force that increases from 0 to 3.0 x 10^-2 N. The length and radius of the collagen are 2.5 and 0.091 cm. Young's Modulus is 3.1 x 10^6 N/m^2. a.) If the stretching obeys Hooke's Law, what is the spring ...

College Physics PLEASE HELP
A spring stretches 0.150 m when a 0.30 kg mass is hung from it. The spring is then stretched an additional 0.100 m from this equilibrium point and released. Determine a). the spring constant, k, b). the maximum velocity of the mass, c. ) the maximum acceleration of the mass, d...

Physics
A femur is a bone in the leg whose minimum cross sectional area is about 4.0 x 10^-4 m^2. A compressional force in excess of 6.8 x 10^4 N will fracture this bone. A.) Find the maximum stress that this bone can withstand and B.) What is the strain that exists under a maximum ...

Physics
A cylindrically shaped piece of collagen is being stretched by a force that increases from 0 to 3.0 x 10^-2 N. The length and radius of the collagen are 2.5 and 0.091 cm. Young's Modulus is 3.1 x 10^6 N/m^2. a.) If the stretching obeys Hooke's Law, what is the spring ...

Physics
A spring stretches 0.150 m when a 0.30 kg mass is hung from it. The spring is then stretched an additional 0.100 m from this equilibrium point and released. Determine a). the spring constant, k, b). the maximum velocity of the mass, c. ) the maximum acceleration of the mass, d...

algebra
electricity costs 7.57 a month plus 8.77 per kilo watt hour for the first 400 kWhr and 6.574 per kWhr for all useage over 400 in a month. what is the cost for 300 kWhr? 2638 What is the cost of 700? 7.57+8.77 times 400 and 6.574 times 300? 5487.77 I think. I need to write a ...

Chemistry
Hydrogen peroxide solution, H2O2(aq), is available with a concentration of 1.667mol/L. When diluted to a concentration of 0.25mol/L, the solution is used as a disinfectant. What volume of water should be added to 100 mL of the concentrated hydrogen peroxide solution to prepare...

Chemistry
A laboratory stockroom has a stock solution of 90%(m/v) sulfuric acid,H2SO4(aq). If a technician dilutes 50ml of the stock solution to a final volume of 300ml, what will be the new mass/volume percent concentration?(HINT: the dilution formula can be used for concentration ...

Canadian Law
thxxxx:)ur cool!

Canadian Law
Can you find a canadian case where the defence of mental disorder is used in late 2012 ti early 2013? I searched soooooooooooooooooooooooooo much I couldn't find it anywhere on the internet.. Please help me thanks in advance:)

Chemistry
Which of the following mixtures of KCl in water is a saturated solution and which is an unsaturated solution; 1)100g of KCl in 100mL of H2O at 40°C 2)50g of KCl in 100mL of H2O at 70°C 3) 120g of KCl in 100mL of H2O at 60°C My data is: Temperature82°C 58°C ...

Chemistry
Hi! I am doing this chemistry lab of solubility curve of a solid investigation and this is for KCl. The purpose of this lab is to investigate the relationship between the solubility of potassium chloride and the temperature of its solution and to create a solubility curve for ...

Chemistry
oh one more thing on the website what is the black line of on the solubility graph curve??How would I draw mine...I understand the blue one its just the black one...

Chemistry
Hi! I am doing this chemistry lab of solubility curve of a solid investigation and this is for KCl. The purpose of this lab is to investigate the relationship between the solubility of potassium chloride and the temperature of its solution and to create a solubility curve for ...

albebra
a cubic millimeter of the blood contains 22 to the 3rd power of white blood cells and 22 to the 5th power of red blood cells What is the ratio of whiteblood cells to red blood cells?

Education
B was exactly the same as A I think the test where my teacher got this from had a typo

Education
Bennett’s Developmental Model of Intercultural Sensitivity (DMIS) provides a continuum from A) individual to social development. B) individual to social development. C) insensitive to sensitive development. D) None of the answers are correct. I believe the answer is A, is...

Solubility/English
actually you know what I think I should be satisfied with howmuch you help so if you don't have time its ok I appreciate your time and help thankyou very much!

Solubility/English
thanks alotbut I hoped you would do some more so i know how to put chemistry stuff in these

Solubility/English
Ok so I have this procedure to rewrite in past tense passive voice please help me out here I have alot ofthings to do with this lab...your help isgreatly appreciated. Thankyou! 1) Set up a hot-water both by placing th 250/400mL beaker, about two-thirds full of water, on the ...

Education/Technology
What software features are important in selecting classroom management software, based on the classroom academic software evaluation rubric? A) The list includes grade level, documentation, cost, help features, and ease of installation. B) The list includes ease of updates, ...

Education/Technology
Productivity software that allows the student to create professional-looking pages with text, graphics, digital pictures, stylized headlines, and professionally prepared design elements is called: A) Desktop publishing software. B) Spreadsheet software. C) Graphics software. D...

Education/Technology
The type of software that uses fields, records, and files to organize and display data is A) classroom management software. B) electronic spreadsheet software. C) database management software. D) word processing software. I think this is C, to me it makes the most sense. Is ...

Education/Technology
Syllabi, class outlines, and discipline reports are practical applications of A) systems procedures. B) spreadsheet functions. C) database functions. D) word processing packages. I answer is C, it sounds where all three of these would be, is this correct?

Education/Technology
To get instant feedback for assessment, such as physical education fitness, a music lab activity, or reading competency, students have been shown how to use A) scanners or punch cards. B) handheld computers or PDAs. C) desktop or laptop computers. D) webcams or digital cameras...

Education/Technology
We already have D correct? So my answer should be A

Education/Technology
We anticipate that the next technology revolution will be A) virtual reality. B) wireless computers. C) voice input technology. D) 3-D images. I think the answer is C, is this correct?

Education
Is concept mapping a type of word processing software that helps with students with special needs?

math
a car travels at an average speed of 100 km/hr. how many km will the car travel in 2 hours, 15 min?

Education/Technology
Removable media are useful for a classroom teacher because they A) are read only. B) cannot be erased accidentally. C) have the greatest capacity of any storage device. D) are portable. I believe the answer is A, is this correct?

calculus
use implicit differentiation to find an equation of the tangent line to the curve at the given point. 9x^2+xy+9y^2=19, (1,1) (ellipse)

world history
"our world" by macmillan/mcgraw-hill

world history
what page can i find "Hoe Ana on in our world by macmillan/mcgraw-hill

Chemistry
One more question please. Do I need to convert to joules or can it be kept in cal/g? Thanks in advance

Chemistry
So is the first part of the equation because it is in ice form and the second part because it is the change of temperature after it becomes water? And thank you for the answer.

Chemistry
I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44 kcal.mol and cwater=1.0 ...

Chemistry
Thank you for the post. Sorry I accidentally clicked twice and it wouldn't let me delete extra post.

Chemistry
I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44 kcal.mol and cwater=1.0 ...

math
the length of a rectangle is 100 inches more than the width. if the perimeter of the rectangle is 1320 inches, find the dimensions

math
nate cut a pie into 7 equal pieces. he gave one piece to his dad and three times as much to his brother Chris. what fraction of the pie was left?

psychology 220
A) is an acceptable and culturally sanctioned response in his particular culture.

math
68

math
my ten digit is 1 less then the sum of 4 + 3 my ones digit is 2 more than my tens digit what number am i?

math
33

math
my ones digit is 2 less then eight my ones digit is 4 more then my tens digit what number am i?

math
my tens digit is double my ones digit both of my digits add up to six what number am I?

singapore math
My 3rd grade son get this math problem. It states that John thinks of a 3-digit number. What is his number? Use the clues below to find John's number. Every digit is different. The sum of all thedigits is 19. The difference between the hundreds digit and the ones digit is ...

singapore moth
Place the following digits in the boxes so that the sum of the digits in each straight line is the same. This is like a crossword 3 boxes across and 3 boxes down then 3 boxes across and 3 boxes down using digits 1,2,3,4,5,6,7,8,9. please help with answer.

singapore math
Using these numbers to fiqure the problem. (120,30,90,60,50,40,160,80) The sum of two numbers is 190. What would the answer be? And the sum of their digits is 10.

math
Evaluate: 4.84 x 39 + 61 x 4.84

english
they spent a year in france is an example of how fitzgerald

math
a disk has an area of 250 square inches.what is theradius of the disk?

calculus
An airplane is cruising at 340 km/h at an altitude of 4000 m. If the plane passes directly over an observer on the ground, how fast is the distance from the plane to the observer changing when it is 3000 m away from the point directly above the observer?

Algebra
A grocer mixes 5 lb of egg noodles costing $ .80/lb with 2 lb of spinach noodles costing $1.50/lb. What will the cost per pound of the mixture be?

Algebra
Susan drove for 2 hours at 85 km/hr and then for 3 hours more at 95 km/hr. What was her average speed for the entire trip?

Algebra
If 800ml of a juice drink is 15% grape juice, how much should be added to make a drink that is 20% grape juice?

science
please tell me if you agree with the following: Which Brand of popcorn hs the least amount of unpooped kernels after 3 minutes. Brand 1 has 1 Brand 2 has 15 Brand 3 has 16 Brand 4 has 5 Brand 5 has 25 the answer is Brand 1 BUT is the: independent variable the different brands ...

Chemistry
15.0 moles of gas are in a 6.00L tank at 298.15K. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a=2.300 L^2*atm/mol^2 and b=0.0430 L/mol. I found the idea gas pressure to be 61.2 atm by...

social studies
What is an example of a nonrenewable resource?

Physics
An object with mass 3.7 is attached to a spring with spring stiffness constant 270 and is executing simple harmonic motion. When the object is 2.5×10−2 from its equilibrium position, it is moving with a speed of 0.45 . what is the amplitude of the motion?

Ethics
THe gm of a software company is in the process of constructing a new facility in a country. THe gm has a manager of native origin acting as liaison between the company and government officials. THe new facility requires some permits and licenses. Government officials have ...

math
how do i solve 6.3*10^5=9*10^4*t

algebra
If a rocket traveled at 9*10^4 miles per hour . How long would it take to reach the moon from the planet.The moon is 6.3*10^5 miles from the planet it orbits.

Probability and Stats
A graduate class consists of six students. What is the probability that exactly three of them are born either March, June or November?

math
Okay, I got: v+6-c and c=c-6 for 120=(v-c)*20 AND: c=12-v and v=6/5-c for 120=(v+c)*10 Now what do I do?

math
A tugboat goes upstream 120 miles in 20 hours. The return trip downstream takes 10 hours. Find the speed of the tugboat without the current and the speed of the current.

Mat/116
In 2000,in country A, the average family net worth was $340,000,and there were about 9.4*10^7 families. Calculate the total family net worth in Country A in 2000.

Math
The perimeter of a rectangle equals the sum of the length of its four sides.If the width of the rectangle if 7 inches and its perimeter is 48 inches, what is the length of the rectangle?

Math
f(a)=t, f(b)=s, f(c)=r, f(d)=t Write the function as a set of ordered pairs. Give the domain and range of F.

Math
Thank you!

Math
So then it is .095?

Math
I have to round the .0947 to the nearest thousandth so it would be .09?

Math
Yes, I want the .0947 so that I could do the linear equation. Since the linear equation is A=10-.947(95)which means A = 1.0035?

Math
A certain mountain has an elevation of 19,583 feet. In 1907, the glacier on this peak covered 10 acres.By 2002, this glacier had melted to only 1 acre. (a) Assume this glacier melted at a constant rate each year. Find this yearly rate. (b)Use your answer from part (a)to write ...

Mat/116
An investor invested $3,400 in two mutual funds.One fund earned a 6%profit while the other earned a 3% profit. If the investor's total profit was $144,how much was invested in each mutual fund?

Early Childhood Literacy
Children with many experiences with stories: A-can accurately sound out words. B-tend to know stories have predicitable segments and features C-can read simple words as was or am by late preschool years. D-realize words are separated in sentences and that sentences end in ...

Grammar
Identify the tenses (past, present, mixed): 1. Synthes self-retaining anterior cervical retractors were then placed behind the longus colli muscles. PAST TENSE ________________________________________ 2. There was a small rent in the middle left posterior longitudinal ligament...

Grammar
Specify if sentences are complete, fragments or run-on: 1) The surgical team recommended that surgery be performed as soon as possible, the patient, however, wanted more time to think about it. SENTENCE FRAGMENT 2) Postoperative plan is for the patient to mobilize as tolerated...

Grammar
Choose the correct answer I put my answers in CAPS: 1) Neither his physician nor the floor nurses HAVE been in to see him yet this morning. 2) On sponge and instrument count, it was noted that one of the sponges WAS missing. 3 The costs of his research WERE paid by the ...

Math
Need to make a monthly amortization schedule. Borrowing 16000 over 4 years at 3.5%. Do I need to calculate for 48 months in order to do this project correctly? I do all the calcs for 48 months and I still end up with approx a payment left over?

Math
491.72

math 117
perform the indicated operations and simplify z-4/z-6 - z+1/z+6 + z-30/z^2-36

geometry
TD=6 The centroid divides each median into segments whose lengths are at the ratio 2:1 DB is 1/3 of TB

writing
what is wrong with this pargraph Since every person has only one opportunity to live each hour of his life, the time must be spent wisely. He should spend it thoughtfully. He should care what he does with his time. He should use good judgment. He should be intelligent in his ...

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