# Posts by Catherine

Total # Posts: 433

Oh my answer is right... can someone tell me how to calculate the minimum tension in the strap needed to pull the suitcase at constant speed? My answer for the tension is 534N and I know it's wrong...

My answer is 32.6...is that right? If not please tell me how you did it...

A suitcase of weight mg = 450 is being pulled by a small strap across a level floor. The coefficient of kinetic friction between the suitcase and the floor =0.640 a) Find the optimal angle of the strap above the horizontal. (The optimal angle minimizes the force necessary to ...

Hello I'm reposting this question because right now it's at the bottom and I don't think I will get an answer. Assume that the follwing function gives the position of an object at time t. Find the velocity indicated by setting up and evaluating a limt algebraically...

Find k for which the limit below exists, and find the limit. lim x->1 (2x^2 + kx +4)/(x-1) Please show me how to do both procedures. Thanks

Calculus (pleas help I really need to check this)
Could you please tell me how to do it evaluating the limt algebraically? I'm trying to do it and I can't get it....

Calculus (pleas help I really need to check this)
Thank you very much for the clarification, could you explain to me how you got 1/2 in c please??

Calculus (pleas help I really need to check this)
Assume that each of the follwing functions gives the position of an object at time t. Find the velocities indicated by setting up and evaluating a limt algebraically. (a) s(t) = 3t^2, Find v(-1). (b) s(t) = 1/t , Find v(2). (c) s(t) = square root of t, Find v(1). The answers ...

Calculus
Assume that each of the follwing functions gives the position of an object at time t. Find the velocities indicated by setting up and evaluating a limt algebraically. (a) s(t) = 3t^2, Find v(-1). (b) s(t) = 1/t , Find v(2). (c) s(t) = square root of t, Find v(1). The answers ...

Math
If a guy has run 45 minutes, and this is only 60% of his whole run, is 100% 75 minutes?

Math
oh....... I can do 8/10=4/5. Thanks!

Math
If I have 4 triangles and 6 circles, what is a proportion that I can make? If I have 8 hearts and 10 diamonds, what is a proportion I can make?

English
How many adjectives are in this sentence? That glossy, red apple rolled out of the grocery bag and across the smooth table.

spelling
brother:mother::fly:?

Organic Chemistry
Student A conducted the acid-catalyzed dehydration of ethanol at 180°C and obtained a gaseous product. Student B conducted the same experiment at 140 °C and obtained a lowboiling liquid. What were the products that each of the students made? Draw mechanisms for the ...

English
Yay!

English
You had to say whether or not the underlined word was adjective or pronoun. Can you check? -That- is my favorite fiction book. -That- is a pronoun. -This- is a good collection of books, too. -This- is a pronoun. -These- are good to read. -These- is a pronoun.

English
Thanks! I am home alone and I don't like english..

English
This isn't that hard(ok maybe it is) but I just want you to check. We had to say whether of not the underlined word was a adjective of noun. The ones I had trouble with were: She certainly had a -spring- in her step that day! -Spring- is a noun Only the -steel- rim was ...

MATH
Amtrail trains provide efficient, nonstop transportation between Los Angeles and San Diego. Train A leaves Los Angeles headed toward San Diego at the same time that Train B leaves San Diego headed for Los Angeles, traveling on parallel tracks. Train A travels at a constant ...

English
Thanks! English is not my strong subject.

English
Ok, so for the other three sentences I got: Third group-describes flute and instruments small-describes keys burst-describes air large-describes pipes most,wind-describes instruments

English
What is the adjective in the sentence: It is about the same size as the United States. Also, what are the adjectives and what do they describe in the sentences: The flutes are a third group of instruments. The small keys send a burst of air to large pipes in the instruments. ...

Math
This question HATES ME! Which value would best describes the data? 8, 9, 10, 12, 14, 15, 18, 18, 63. A-mean B-mode C-median D-

algebra 2
At a flea market held each weekend, an artist sells handmade earrings. The table below shows the average number of pairs of earrings sold for several prices. Given the pattern in the table, how much should the artist charge to maximize revenue? Table: price: \$15 \$14 \$13 \$12 ...

DRESS DECORATION
A BODKIN IS USED IN MAKING WHICH ONE OF THE FOLLOWING?

Science
3 CaSO4 + 2 AlCl3 Al2(SO4)3 + 3 CaCl2 How many moles of aluminum chloride are required to produce 97.0 g of calcuim chloride in the above reaction?

physics
An airplane traveling a constant 100.0 m/s is to drop supplies to flood victims isolated on a patch of land 200.0 m below. A) The supplies should be dropped how many seconds before the plane is directly overhead? B) What is the distance of the plane away from being directly ...

physics
A driver is running 3.6 m/s and dives out horizontally from the edge of a vertical cliff and reaches the water below 2.0s later. A) How high was the cliff? B) How far from its base did the driver hit the water?

the mass of a dog that weighs 100 N how many kilograms does it weigh?

Chemistry
1. Which element forms bonds with a sea of mobile electrons? a) Ca b) C c) Ar d) He

Language
lesson 3 The Novel exam 00778900

Physics
Calculate the vertical distance an object dropped from rest would cover in 12s if it fell freely without air resistance.

chemistry
Predict the molecular and bond angle for each molecule or ion given below: SO3, ClO3-, NF3, SO42-

chemistry
Predict the molecular and bond angle for each molecule or ion given below: SO3, ClO3-, NF3, SO42-

Science
1. producing its own food 2. food-making process of plants 3. carbon dioxide, water, sunlight, glucose, and oxygen gas 4. chlorophyll, stoma, and chloroplasts 5. ????

sociology
Are there any gender issues involved (differential treatment of men and women) in the film "Catfish in black bean sauce"?

Art
what is the meaning of "Tango C.1918-24" of Elie Nadelman? why did he make it? I need some information for that work. Please help me!!!

physics
If Michael Jordan has a vertical leap of 1.29 m, then what is his takeoff speed and his hang time?

Physics
An Alaskan rescue plane drops a package of emergency rations to a stranded party of explorers. The plane is traveling horizontally at 40.0 m/s at a height of 100 m above the ground. a) How far horizontally from the dropping point does the package strike the ground? b)What are ...

English
Are multi-ethnic families shown to be “successful” (not in an economic sense, but in a familial sense)?

MATH
how to add or subtract fractions with unlike denominators and give me some examples so i could understand. thank you.

MATH

Criminal Law
i need to come up with a fictional story

Criminal Law
Can someone please help me. need help with a story about Murder-to-Hire. that includes:solicitation,conspiracy, criminal attempt and it must include individuals who acts as principals,accomplices,accessories before the fact and accessories after the fact. Ensure each of the ...

write the sum. Show the make-a-ten fact you used. 9+6=15

Physics
An airplane normally flies at 280 km/h. What is its airspeed if it experiences 80 km/hr headwind?

Physics
An airplane normally flies at 280 km/h. What is its airspeed if it experiences 80 km/hr headwind?

marketing
Diversification

Hum/205
I have taken notes and started a thesis statement and done a outline but the problem is writing like an art historian who has experienced the periods firsthand. I think that is making this hard for me. Thanks for your help. Catherine

Hum/205
I need help writing my final. Write a 1,750- to 1,900-word paper that represents three chapters from your new book. Each chapter will contain an analysis from the period you selected. Remember to write in the first person perspective of an art historian who has experienced the...

Geology
How old is granite in millions of years from the Scottish Highlands?

calculus
ok. this question also had a part a) which was (a) What is f '(3)? so i just divided (9h^2+8h)/h (h(9h+8))/h and plugged in 0 since lim->0 got 8 as my answer. now for B) i tried plugging 3 into (h) in func 9h^2+8h/h did same with 7 and got wrong answer. i tried many ...

calculus
Suppose that f (x) is a function such that the relationship given below is true. f (3 + h) - f (3) = 9h^2 + 8h What is the slope of the secant line through (3, f (3)) and (7, f (7))? I am stuck on this one , tried every thing in the world. i don't know how to do it since ...

Calculus
Suppose that f (x) is a function such that the relationship given below is true. f (3 + h) - f (3) = 9h^2 + 8h (a) What is f '(3)? (b) What is the slope of the secant line through (3, f (3)) and (7, f (7))? Please do not use shortcuts(from future chapters) and show steps ...

Calculus
i did try that before posting the question, it gave a wrong answer.

Calculus
Please do not use shortcuts(from future chapters) and show steps so i can see whats going on

Calculus
Suppose that f (x) is a function such that the relationship given below is true. f (3 + h) - f (3) = 9h^2 + 8h (a) What is f '(3)? (b) What is the slope of the secant line through (3, f (3)) and (7, f (7))?

Math
Just to clarify for number 2 the questions is f(x)= 1/(x+1)

Math
Use the limit definition of the derivative to find f′(x) if 1. f(x) = x^2 + 3x 2. f(x) = 1/x + 1 kk for number one i got f'(x) = 2x+3 and for number two i got f'(x) = -1/(x+1)(x+1) can any one verify these, especially number 2.

math
Use the limit definition of the derivative to find f′(x) if 1. f(x) = x^2 + 3x 2. f(x) = 1/x + 1 now what i am confuse with is that there is no value given for x. So how is one suppose to do these problems. please show steps and this is just the 3rd chapter of my calc ...

Chemistry
A single 4p orbital can hold how many electrons? i got 6 is that correct or no? Chemistry - Anonymous, Friday, September 10, 2010 at 2:52am "That is correct! px, py and pz (2 electrons in each) " since it's asking about a SINGLE 4p orbital would it be 2? i don&#...

Chemistry
In the Lewis structure for SF4, there are: a. 12 electrons surrounding the S. b. 10 electrons surrounding the S c. a total of 42 valence electrons. d. Both a and c are correct. e. None of the above are correct

Finance
A bond has a \$l000 par value, l0 years to maturity, a 7 percent annual coupon, and sells for \$985. a. What is its current yield? b. What is its yield to maturity c. Assuke that the yield to maturity remains constant for the next 3 years, what will the price be 3 years from today?

physics
a 650 lb box is hanging by means of two ropes attached to a ceiling as shown by diagram below find the tension on the ropes

math
i don't know how to get rid of the fractions in these linear equations, can someone help ? one: 9/2(x+3) -4 =23 two: 3/4(24-8x)=2(5x +1)

Algebra
yes that's represents the question correctly, but how do i get rid of the fractions?

Algebra
how do i get rid of the fractions in this expression ? its supposed to be using order of operations original problem: (6^2 + 18) divided by 9 + 2/3(8)-6

math
24 tacks are used to fix the 3ply to the back of the unit these cost \$12 per 1000 cost of the thacks (rounded th the nearest 5 cents)

math
a three digit number is chosen at random. what is the probability that the sum of the digits is less than 6? i got 3.78% but im not sure if that is correct. I assumed that there were three possible outcomes because 012 would just be considered 12

chemistry
96.11 kPa

Math
Which is a better deal - a 10-inch round pizza or a 9-inch square pizza?

Chemistry
2800

chemistry
oh drbob222 and srasomething???are really helpful 2 luckly u got a respawn:)

chemistry
uhh if i new chemistry i will help but u should post the same question around 5:00 pm tommorow and name the subject ms.sue shes really helpfull and that's when she usally is on hope some1 helps u if not just post agian 2mmorow..:)

help
oh witty lol haha

help
huh?

help
oh yea city is pretty lol

help
uhh im very good at poems so if u need let me no...and maybe gitty,kitty kat,and more lol

help:)
thank you drbob222.:)

help:)
goverment by the nobility or those considered the best of society is: ___a.a theocracy ___b.a monarchy ___c.a pathiarchy ___d.an aristocracy what so u think?

greek bases
the greek base in the word chronology means: a.life b.pain c.time d.earth i choose c?

help plz
some1 help wit my current post plz;)

synonyms
ok thank you i will be posting more questions if u can take some of your time and help me that will be great...once agian thank you:}

synonyms
Which word is a synonym of the word evolve? a.recession b.decline c.progress d.retrogression I choose d.. what do u think?

theatre/english
Although, I could have just typed that in myself. What i mean is, I can't find one anywhere.

theatre/english
Thanks!!

theatre/english
Hey! Where can I find a COMPLETE listing of 1950's scripts/screenplays? Thanks!

English vocabulary
what is dissimilation ?

social studies
i think jerusalem

social studies
what do u need help with?

senile
ok thank you :)

senile
help plz:)

senile
the process by which senile now is used for the negative aepects of old age is called: a}functional change b}degeneration c}specialization d}abstraction

subcategory
Which of the items below is NOT a subcategory of change effected through similitude? a.emotional b.degeneration c.operational d.symbolic

help plz
ok

help plz
uhmm my vocabulary studies homework book.lol.

help plz
p.s what do u think?

help plz
2}select the best definition for the word senile. a.pre-eminent b.priority c.old age d.clear

help plz
ok thank you

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