# Posts by Catherine

Total # Posts: 433

**Physics (please help!!)**

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...

**Physics (please help!!!!)**

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

**Physics (please help!!)**

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 ...

**Calculus Please Help**

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...

**Calculus Please Help**

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?

**11th grade**

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**

can you please help me on how to find the LCM and give me and example.

**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 ...

**2nd grade math**

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