Saturday

January 21, 2017
Total # Posts: 32

**math**

Calculate the perimeter of a rhombus with a side of 5.6 cm

*April 21, 2016*

**Math- Problem solving**

A number has 4 digits. The digit in the hundredths place us greater than the digit in the hundredths place of 4.361. The digit in the tousandths place is greater than the digit in the tenths place of 2.85. What are the possible four-digit numbers between 8.6 and 8.7?

*March 4, 2013*

**math**

A four-digit number between 12 and 13 has an odd number in the hundredths place and an even number in the tenths digit. The sum of the tenths and hundredths digit is 9. What are the possible four-digit numbers?

*March 4, 2013*

**Spanish -Thank you**

Thank you very much.

*April 4, 2012*

**Spanish -Please recheck**

I think what I put is incorrect. The question is asking how you(as in plural) so the answer then would have to be in long adjective form either nuestro(s) or nuestras depending on gender to show possession, correct? So if I answered the above about UDs. I would say Los ...

*April 4, 2012*

**Spanish -Help**

We had to answer questions with the long adjective form and I'm not sure about this one? Los partidos de fútbol americano en mi escuela son malos. ¿Cómo con los de Uds.? ¿Cómo son los suyos? Would it be "Las partidos de fútbol...

*April 4, 2012*

**Spanish-9th grade-Please help me**

Thank you very much

*March 26, 2012*

**Spanish-9th grade-Please help me**

Is this I would say I snacked(past tense) on popcorn and a drink in the movie? Merende palomitas de maíz y un refresco en el cine. How do I say I snack(present tense) on popcorn and a drink in the show? Meriendo palomitas de maíz y un refresco en el cine.

*March 26, 2012*

**chemistry**

i need help with finding the ph of a buffer solution initially consisting of 0.0400 moles NH3 and 0.025 moles NH4^+ and 20 ml 0.75 NaOH. ka of NH+4 = 5.6 ×10^-10

*March 19, 2012*

**chemistry**

i need help with finding the ph of a buffer solution initially consisting of 0.0400 moles NH3 and 0.025 moles NH4^+ and 20 ml 0.75 NaOH. ka of NH+4 = 5.6 ×10^-10

*March 19, 2012*

**language arts**

stream is to river as allley is to

*February 6, 2012*

**algebra2**

Write the expression (2x)(4y) + 9x + 10y + (8x)(4y) in a simpler form, if possible. I've tried this problem several times, and have gotten the wrong answer. Someone help?

*September 12, 2011*

**Physics-Please check-I had something wrong with my**

Thank you very much

*February 23, 2011*

**Physics-Please check-I had something wrong with my**

Would changing the frequency of a wave cause a change in amplitude? I would say only if the wave velocity remains the same because if the frequency increases, vibrations increase and then amplitude would decrease, correct? If I had a wave diagram will 4 complete waves showing ...

*February 23, 2011*

**Physics-Please check?**

Would changing the frequency of a wave cause a change in amplitude? I would say NO because they don't affect each other, correct? If I had a wave diagram will 4 complete waves showing and it said the diagram represented 4 sec in time the frequency would be 1cycle/ per ...

*February 23, 2011*

**physics**

Roughly twice the gravitational acceleration of 9.8 to stop in have the time. Given F=MA then F = 48*19.6 or about 950 (kg*m/(S^2)). SOmeone helped on the facebook page: diving news by flipnripcom

*January 3, 2011*

**physics**

Don't know the answer but posted it on the Diving News Facebook page: diving News - By flipnrip

*January 3, 2011*

**Physics**

I just don't know how to get to this answer ?? :(

*November 17, 2010*

**Physics**

1. A hollow sphere and a solid sphere roll without slipping down two different ramps. They start at different heights. The speed and kinetic energy of each sphere is the same when they reach the bottom of their ramp. If the hollow sphere has mass 3.25 kg, what is the mass of ...

*November 17, 2010*

**Physics-Dr. Bob cannyou look at my work-I'm still**

had this question last night for Dr. Bob-A fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it grabscarrion just as it ...

*September 23, 2010*

**Physics-Please help!!!**

had this question last night for Dr. Bob-A fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it grabscarrion just as it ...

*September 23, 2010*

**Physics**

Fox sees a piece of carrion being thrown from nest and rushes to it. Nest is 14.0 m high and carrion is thrown with a horizontal velocity of 1.5m/s. Fox is 7.0 m from the base of tree. What is magnitude of fox's average velocity if it grabs carrion in its mouth just as it ...

*September 22, 2010*

**MATH please help with this ?**

math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time before the professor...

*April 21, 2010*

**math Please help me with part b**

also can you please tell me if A is right? thank u

*April 8, 2010*

**math Please help me with part b**

The average cost per item, C, in dollars, of manufacturing a quantity q of cell phones is given by C= (a/q) + b where a and b are positive constants a.Find the rate of change of C as q increases. What are its units? b. Currently, 5000 phones are being made and production is ...

*April 8, 2010*

**math please help**

A ruptured oil tanker causes a circular oil slick on the surface of the ocean. When its radius is 150 meters, the radius of the slick is expanding at 0.1 m/min, and its thickness is .02 m. At that moment: a. How fast is the area of the slick expanding? b. If the circular slick...

*April 8, 2010*

**math**

a closed box has a fixed surface area A and a suqare base wide side X a) find the formula for its volume, v, as a function x b) sketch the graph of v against x c) find the max value of V

*March 30, 2010*

**math**

a gardner wishes to encloe a rectangular 3000 square feet area with bushes on three sides and a fence on the 4th side .If the bushes cost $25.00per foot and the fence costs $10.00 per foot, find the dimensions that minimize the total cost and find the minimum cost

*March 30, 2010*

**math157-PLEASE HELP**

Ultimately, if your mean and median are substantially different, what it tells you is that your data that are arranged symmetrically around the median have been broken.

*March 30, 2010*

**math**

87seconds ------> 1/3 miles x ------> 5 miles (5miles * 87 seconds )/ (1/3)= follow this steps and it should give you the answer

*March 30, 2010*

**science**

Name some current environmental legal issues. Thanks in advance.

*December 18, 2007*

**English**

Can a noun be located in a prepositional phrase? Yes, most of the time the object of a preposition is a noun. Sometimes it's a pronoun, but most of the time it's a noun. Examples: in the house to the store for my education into Jane's house because of my illness In...

*August 16, 2006*

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