Tuesday

July 22, 2014

July 22, 2014

Total # Posts: 1,925

**science i don't get it**

Where is constructive interference in a standing wave?

**physics**

A harpsichord string of length 1.60 m and linear mass density 25.0 mg/m vibrates at a (fundamental) frequency of 450.0 Hz. (a) What is the speed of the transverse string waves in m? (b) What is the tension in N? (c) What are the wavelength and frequency of the sound wave in ai...

**physics help**

Michelle is enjoying a picnic across the valley from a cliff. She is playing music on her radio (assume it to be an isotropic source) and notices an echo from the cliff. She claps her hands and the echo takes 2.6 s to return. (a) Given that the speed of sound in air is 343 m/s...

**Elementary math College**

A bag contains 7 red chips and 9 blue chips. Two chips are selected randomly without replacement from the bag. What is the probability that the two chips are the same color?

**Math **

what are the steps on how to balance Al + O2 -----> Al2O3

**math**

its two i'm looking for it to equal 10

**social studies**

how did mountains both help and hurt ancient greece ?

**English**

Are these two sentences good: The hall of mirrors gave me a confound feeling. Confound- to throw into confusion or perplexity I told my mom that i was going to the movies but, she gave me one circumstance and that was to call her when i get there. Circumstance-a condition, fac...

**English**

Thank You :)

**English**

What are good sentences using the words: frivolous, coy and conceive Frivolous- of little weight or importance; having no sound bases Coy- shrinking from contact or familiarity Conceive- to take into ones mind Using these definitions, can you come up with three sentences for t...

**Science**

what is the electron arrangement for boron? and how do you find the valence electron for it? i know it has 3 v.e. but how do you find it

**Science**

Im doing this element project and my element is boron. i need to theme my poster with whatever element i get. example: for helium you can draw balloons on your poster... ive got no ideas for boron. help please.. something creative THnks

**Science**

im doing this project on boron and one fact says that if we didnt have boron we would die, but why is that? .. plz gimme detailed explanation .. thx

**Economics**

Pls help me to sole micro problem.Production function is Y=K^0.5L^0.5 and w=$1 (wage) and r=$2 (rent) P=$5 I need to find the long term optimum amount for K and L. Also long term optimun output and a cost function. Thank you.

**chemistry**

A chemist has 12.0 M HBr and would like to use it to make 500.0 mL of 3.5 M HBr. describe how she should do this

**geo**

thank you :)

**geo**

i was looking for the absolute location... so it is 35 degrees North and 105 degrees East?

**geo**

that isn't the absolute location. is it??

**geo**

what is china's absolute location??

**Chemistry**

What are induced dipoles?

**Tcp**

In the second segment sent from Host A to B, what are the sequence number, source port number and destination port number

**math**

Write a linear equation to model the situation. Use unit analysis to check your model. You borrow $40 from your sister. To repay the loan, you pay her $5 a week.

**spanish**

can somebody put the following spanish words into correct simple spanish sentences. One each. Detras de-behing Delante de-front Debajo de-underneath sobre/en-on encima de-over/on al lado de-side/next lejos de-far from cerca de-near dentro de-inside duera de-outside

**Chemistry**

Awesome. Thanks!

**Chemistry**

A student heats 5.128g of the sodium carbonate/sodium bicarbonate mixture to a constant mass of 4.256g. Determine the mass of sodium bicarbonate present in the mixture.

**Accounting **

what is the best formula to use? do I add the operating revenues to expenses.?/ please help thank you

**Accounting **

It says in the textbook total margin, the ratio of profit to the sum of revenues and non-operating gains... I'm confused...

**Accounting **

how do I calculate total margin?

**Accounting/Financing**

I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me.. Compute the following ...

**Accounting/Financing**

I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me.. Compute the following r...

**geo**

what are china's major imports and exports?

**geography**

is there a chart or information showing where these people immigrate/migrate the most?

**geography**

immigration and emigration patterns of china

**Financing and Accounting **

can someone please show me an easy formula for these problems?

**Financing and Accounting **

How would I find the formula for these problems? Please help me.. I would really appreciate it.. thank you Calculate the present value of the following: $7,000 in 5 years at an annual discount rate of 6% $7,000 in 5 years at a semiannual discount rate of 6% $7,000 in 5 years a...

**Accounting **

How would I find the formula for these problems? Please help me.. I would really appreciate it.. thank you Calculate the present value of the following: $7,000 in 5 years at an annual discount rate of 6% $7,000 in 5 years at a semiannual discount rate of 6% $7,000 in 5 years a...

**Finances**

Assume that you have two contracts to choose from: Contract A pays $5,000 per year for 5 years starting one year from today. Contract B pays $5,000 per year for 5 years starting today. The discount rate for each is 6%. Which annuity contract would you choose for your retiremen...

**Finances and Math**

How did you get 1.015?

**Finances and Math**

Thank you Reiny

**Finances and Math**

Can someone please help me solve these problems or help me find an easy formula?..No matter how many times I read or try calculating I can't get it please help me..I would really appreciate it thank you.. Calculate the future value of the following: $5,000 compounded annua...

**algebra**

Show a complete algebraic solution for the following: find 4 consecutive multiples of 11 with the sum of 2178

**geo**

what are china's major imports and exports?

**geo**

oh, ok thank you!!

**geo**

would it be under economy?

**geo**

china's political information

**geo**

china's immigration and emigration patterns

**geo**

can you please list some sites that would help me get the answer?

**geo**

china's immigration and emigration patterns

**geo**

what is china's population density patterns ?

**geo**

i meant the population density patterns

**geo**

umm, do you happen to know the patterns?

**geo**

ok. thank you ms.sue :)

**geo**

what is china's population density?

**geo**

thanks alot!

**geo**

what are the human characteristics in china?

**geo**

thanks

**geo**

can you give me some on china?

**geo**

what are the human characteristics in china?

**geo**

thanks for helping me

**geo**

what are the physical characteristics of china?

**geo**

China is in eastern Asia, bordering the Pacific Ocean. It is surrounded by many countries, including Russia, Mongolia, Kazakhstan, Pakistan, India, Nepal, Myanmar, and North Korea. Absolute location: 35 00 N, 105 00 E Ms. Sue, where did you get this information?

**geo**

oh, thank you so much, you have helped me alot :)

**geo**

thank you, where did you get this information?

**geo**

what is china's relative and absolute location?

**geo**

thanks you!

**geo**

what is the state capital of china?

**statistics**

test

**Social Civics**

Today unions (A)Have generally experienced a tremendous increase in membership (B)Have not succeeded in organizing any white-collar workers (C)Are divided into two large organizations, the A.F.L. and the C.I.O. (D)Have generally experienced a decline in membership, especially ...

**Algebra**

Thank you so very much this is a big help

**Algebra**

1. Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 25 tons of rock to cover the area. If each ton cost $40 and each tree is $65, what is the minimum number of trees you can buy with a budget for rock ...

**Art**

The design for Cubist artwork was dramatically different from what had come before in the history of painting. Why did the artists involved in the creation of Cubism choose this radical and innovative approach to the design of their artwork? What influenced early Cubist artist...

**Finances**

what are the differences between a comptroller and a treasurer?

**French/Sra**

thx Sra Sweet Royal Awesome Joyous Marvelous Cool Generous Incredible Nifty

**French/Sra**

You decide to enter a contest for a shopping spree at your favourite clothing store. Write a paragraph describing what new clothes you need for summer and why you need them. Include the color of 5 articles of clothing that you would like and what activities you need the clothe...

**3 rd grade math**

no because 3*1=3

**3 rd grade math**

no because 3*1=3

**French/Sra**

J'ai besoin de nouvelles chaussures noires. Je vais en avoir besoin pour la gym. J'ai besoin d'une nouvelle tee-shirt rouge. J'ai besoin d'un nouveau jean bleu. J'ai besoin des nouvelles sandales blanches. J'ai besoin d'une nouvelle robe noir. I...

**French/Sra**

J'aime faire du shopping au centre commercial et aux grands magasins. Mes amis uniquement font du shopping au centre commercial. J'aime porter des t-shirts longs, jeans, pantalons, pulls, et ce que je suis comfortable dans l'école. Les vêtements que j&...

**algebra **

0.5x = 10 x = 10/0.5 x = 20 All you have to do is divide 10 by 0.5 and you'll get 20.

**algebra **

x = 20

**French/Sra**

thx E.G

**French/Sra**

I had thought of faire du shopping, but it just doesn't fit in.

**French/Sra**

Sorry, I forgot to cut out the dress. I don't need one.

**French/Sra**

J'ai besoin de nouvelles chaussures noires. Je vais en avoir besoin pour la gym. J'ai besoin d'une nouvelle tee-shirt rouge. J'ai besoin d'un nouveau jean bleu. J'ai besoin d'une nouvelle sandales blanches. J'ai besoin d'une nouvelle robe no...

**French/Sra**

J'aime faire du shopping au centre commercial et aux grands magasins. Mes amis uniquement font du shopping au centre commercial. J'aime porter des t-shirts longs, jeans, pantalons, pulls, et ce que je suis comfortable dans l'école. Les vêtements que j&...

**math**

x = -3 You're on the right track, Good job!

**French**

You decide to enter a contest for a shopping spree at your favourite clothing store. Write a paragraph describing what new clothes you need for summer and why you need them. Include the color of 5 articles of clothing that you would like and what activities you need the clothe...

**French**

The class that you exchange e-mail messages with in France is interested in learning about teen's shopping habits in north America. Write a short paragraph describing where you and your friends like to shop and what you like to wear at school. Tell how much these items cos...

**French**

Est-ce que tu préfères le boeuf, le poulet, ou le poisson? What if I prefer neither one of these. How Would I answer that in French? Est-ce que tu préfères le ketchup ou la moutarde avec les hamburgers? I prefer neither one. Again, how would I say t...

**french**

Je ne fais pas d'athletisme. (D)

**French-Notes**

thanks Sra, your notes helped me understand about adjectives much more better. I'm going to keep these notes with me forever.

**French-Notes**

The unit which I'm on right now focuses on different types of clothing found in diiferent types of stores. I'm having difficulties on some parts of this unit and would like clarification. Notes would be helpful. My chapter's title is On fait les magasins. In this c...

**Physics (Potential & Kinetic energy)**

A 2.0 kg rock falls from a height of 25 m to a point 20 m above the ground. a) how much potential energy does it lose? b) How much kinetic energy does it gain? Thanks.

**Physics**

A 2000 kg truck is raised 15 m in an elevator. What is the increase in its potential energy?

**French-Urgent**

With a partner, play the roles of an American student who is shopping at a ski resort in the french Alps and the salesclerk at the resort's boutique. The customer's brother wants a nice French ski jacket and has given the customer enough money to buy it. During the cou...

**Math (combinations)**

that did not help at all I need clarification. How is this supposed to be done.

**Math (combinations)**

so would I do the 3 choices of bread like 3x2x1=6 and then the meat 5x4x3x2x1=120 and then add them all together?

**Math (combinations)**

A sandwich shop has the advertising slogan, “10,000 different sandwiches & one little eatery”. The shop offers its sandwiches with various combinations of mustard, catsup, mayonnaise, Cajun spice, relish, pickles, tomatoes, and lettuce. Customers can also choose betw...

**Math (measurement)**

But for a tetrahedron the bottom is not square it is a triangle. Does this formula still apply?

**Math (measurement)**

Find the volume of a regular tetrahedron in which each edge is 8 in. long. I am so confused on this one and I really need some help.

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