Sunday

March 29, 2015

March 29, 2015

Total # Posts: 320

**Physics**

The energy of an X-ray photon is ..... the energy of a gamma ray photon. I think its the same as. Is that right?
*March 28, 2008*

**Physics**

The energy of a photon is directly proportional to its..... I think it may be frequency. Is that correct?
*March 28, 2008*

**DrBob222**

ok,sure will
*March 28, 2008*

**word unscramble in french**

ehscrpeamr
*March 11, 2008*

**college algebra**

but why cant there be a neg. on top? why do u move it to the bottom and make it positive?(note:neg6,5,2 and 4 are exponents) (4a-6b5)(7a2b4)= 28a-5b9 the final answer will be 28b9 over a5 my question was why do you move the "a" negative 5 to the bottom and make it a ...
*February 14, 2008*

**college algebra**

if you have a problem where you are multiplying numbers with exponents (both positive and negative) and your answer ends up with a negative exponent what is the reason you make a fraction out of it and put it on the bottom as a positive? why cant you have a negative exponent ...
*February 14, 2008*

**physics**

A 5 kg book sliding on the floor with initial speed 20 m/s comes to rest in 100 m. What is the magnitude of the frictional force acting on the book? The answer is 10 N, but how do you arrive at this answer?
*December 9, 2007*

**Calculus**

what is the definite integral of 1) Upper boundry 4 Lower boundry 0 Problem: x/ square root of 1+2x) dx 2) Upper boundry 1/2 Lower boundry 0 Problem: sin^-1x / square root of 1-x^2) dx 3) upper boundry 4 lower boundry 1 Problem: e^square root of x/ square root of x) dx 4) ...
*December 5, 2007*

**math - 8**

Please help me with solving equations with rational numbers. i have struggled in math all my life. I desperately need help with my homework. Thank you
*October 8, 2007*

**english 11**

I need help finding out if i underlined the correct words that are nouns. If you wouldnt mind helping could you tell me what words are nouns so i know if i did it right? 1)The time was running out on the contest. 2)Even when she took the cold medicince, Sara wasn't able to...
*September 23, 2007*

**social studies**

I need information on the process charles kettering went through to invent the electric cash register or the car self starter and did he have problems inventing them. I can only find out that he did invent them. Here are some sites that will help you. http://en.wikipedia.org/...
*May 17, 2007*

**Math**

After doing an experiment you learn that 70 percent of the carrot seeds from Company A germinated within 10 days, while only 50 percent of the seeds from company B germinated within 10 days. What was the comparative germination ratio? looks like a simple 7:5 ratio to me That&#...
*April 24, 2007*

**socal**

if i have to do reserch about french guiana and i cant find information on the internet or books. what should i do Thank you for using the Jiskha Homework Help Board. Not to worry on French Guiana! I have more if you need it, but here's a start for you: http://en.wikipedia...
*February 8, 2007*

**math check please**

1.Write 4x4x4x4x4 as a power of 4. Answer: 4^5 2. Evaluate. 72 divide 8-9 divide 3 Answer: 0 3. Give the place value for the indicated digit 8 in the number 138,350 Answer: Thousands 4. Fencing a rectangular field that measures 37 ft by 27 ft How much fence should i buy? ...
*February 7, 2007*

**math help please**

I am having a hard time understanding recprocial with fractions I would like to find a web site to help me understand this better I have a problem that is need to know if i have done it right the question is find the reciprocial of (-1/7)(14/3)(9) This how I done the problem ...
*February 3, 2007*

**math check**

1.A caterer made 150 sandwiches for 120 people. How many sandwiches are there for each person? A 1.25 or 1 1/4 sandwich/person 2.On the blueprint of Lauren's new office building, the scale is 3 in. equals 8 ft. What will be the actual length of Lauren's office if it ...
*January 20, 2007*

**math check**

Would some please check these and see if I am doing them right thank you 1. Gasoline is about $2 per gallon. You use about 1 1/2 gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)? Answer 1 1/2 x $2.00 = $...
*January 5, 2007*

**math check**

Would some please check these and see if I am doing them right thank you 1. Gasoline is about $2 per gallon. You use about 1 1/2 gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)? Answer 1 1/2 x $2.00 = $...
*January 5, 2007*

**math**

Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line ifhe finds more than 1/50 of the sample to be defective. About how ...
*December 13, 2006*

**orientalism of muslim and arab american**

I am also a student at UOP and I will say that this is not the first class I have had problems with questions that they don't provide the answer to in any of the readings. I have a 4.0 and I am still having problems with this question!
*August 6, 2006*