Thursday

July 30, 2015

July 30, 2015

Total # Posts: 265

**Statisitcs**

Suppose that X and Y are independent discrete random variables and each assumes the values 0,1, and 2 with probability of 1/3 each. Find the frequency function of X+Y.
*October 30, 2010*

**math **

just do wait here is a example 34 times 41 take the 30 aND THEN THE ONE AND TAKE THE 40 AND THE THE 1 AND 30 TIMES= 120 AND THEN MULT. 4 TIMES1 WHICH IS4 AND ADD THEM TOGETHER AND IT IS 124.
*October 27, 2010*

**PHYSICS**

1.53 seconds to get to highest point so 1.53x2 to reach the end of the porabola. 3.06 seconds
*October 17, 2010*

**social studies**

what is lattitude?
*September 29, 2010*

**8th grade**

What two European countries helped start the Age of Explorations?
*September 9, 2010*

**2nd Grade Math**

I'm in 6th grade, the answer is, 10. :)
*September 8, 2010*

**math**

The width of a rectangle is 6 cm less than the length. A second rectangle, with a perimeter of 54 cm, is 3 cm wider and 2 cm shorter than the first. What are the dimensions of each rectangle. Please give complete answer :)
*August 25, 2010*

**physics**

138 or rounded to 140!
*June 26, 2010*

**psychology**

Trace the memory system from stimuli into long-term memory. Siscuss the features of each step and factors that enhance or impede information flow in each step of the process. Explain proactive and retroactive interference and how you might counteract their effects while ...
*May 23, 2010*

**5th grade**

How do you do double dight divison
*May 20, 2010*

**physics**

Tarzan, mass 85 kg, swings down on the end of a 28 m vine from a tree limb 4.4 m above the ground. How fast is Tarzan moving when he reaches the ground?
*May 11, 2010*

**2nd grade**

I'm in 6th grade, the answer is 4, the reason is because, 20 divided by 4=5 and 5x4=20, so the answer is,4.
*May 11, 2010*

**Business/ Math/ Investment**

I Only Need Question 3. I have completed the rest. I have had several solutions and cannot come up with an answer. Thank you! Envision that you have served as business manager of Media World for over 2 years. You have noticed that for the last 12 months the business has ...
*April 24, 2010*

**Business Analysis / Investment **

Help! I have had several solutions and cannot come up with an answer. Thank you! Envision that you have served as business manager of Media World for over 2 years. You have noticed that for the last 12 months the business has regularly had cash assets of $20,000 or more at the...
*April 24, 2010*

**English**

the plot of strange objects by gary crew
*April 19, 2010*

**Microbiology**

Which of the following tests are used to differentiate between these bacteria: Tests: Bacitracin Test, SXT Test, CAMP Test, Enterococcosel Agar, 6.5% NaCl Test and Optochin Test A) Streptococcus viridans and Streptococcus faecalis B) Group A and Group B Streptococci C) Group B...
*March 25, 2010*

**physics**

Find the tangential acceleration of a freely swinging pendulum when it makes an angle θ with the vertical. (Use theta for θ and g as necessary.) i tried 2.56 as an answer and it was wrong, so im guessing im suppose to use symbols?
*March 14, 2010*

**physics**

A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 150 m, at what frequency must it rotate so that it simulates Earth's gravity? [Hint: The apparent weight of the astronauts must be the same as their weight on Earth...
*March 13, 2010*

**physics**

A roller coaster has a vertical loop with radius 17.9 m. With what minimum speed should the roller coaster car be moving at the top of the loop so that the passengers do not lose contact with the seats? (how do i go about in solving this)
*March 13, 2010*

**statistics**

The accounting department at Weston Materials, Inc., a national manufacturer of unattached garages, reports that is takes two construction workers a mean of 32 hours and a standard deviation of 2 hours to erect the red barn model. Assume the assembly times follow the normal ...
*March 11, 2010*

**Business**

Writeacher, I know what you mean! the assignment is quit simple just requires a lot of reading and some research online but this one part of the first question is sooo vague and the books are even more vague not to mention insufficient. Your idea of it is the same as mine so I...
*March 10, 2010*

**Business**

In one of my assignments I'm suppose to explain the types of input text in business case analysis. I read my book and the resource book but all it says is that there are more types of input texts than the case study itself. :S I tried searching online for more indepth ...
*March 10, 2010*

**math**

No, I still do not understand. why did you subtract 29 from 18? what do you do with 11?
*January 26, 2010*

**math**

Make up a set of 7 numbers having the following landmarks: mode:21 median:24 maximum:35 range:20 I do not understand.
*January 26, 2010*

**english**

difference betwween following words. i have these words for spelling and iont know the difference. can you help me. annyway any way,all right alright,every one everyone, already all ready, there's their's, anyone any one, altogether all together
*January 26, 2010*

**Math**

Your mom is a sporting person, so when it's close to your bedtime, she will have a contest with you to see if you get to stay up and extra half-hour to play a computer game. You get to draw a card from a well-shuffled deck. If you draw a face card, an ace, or any heart, ...
*January 11, 2010*

**Math**

Back in the old days, couples would enter marathon dance contests to win money. They would dance continuously, with only short breaks for food and drink. Some contests would go on for over a week. How many hours of dancing would there be in a 7-day week?
*January 11, 2010*

**physics**

Find the resultant force of a 32-N force pulling horizontally on a wooden crate and a 20-N force pulling at an angle of 49 degrees upward of horizontal. (Your answer should include magnitude and direction of the force)
*December 4, 2009*

**science**

What will happen if the polar bear became extinct?
*November 16, 2009*

**biology**

In D. virilise, the mutations dusky body (dy), cut wings (ct) and white eyes (w) are all recessive alleles located on at different places on the x chromosome. Females heterozygous for all three mutations were crossed to dy ct w males, and the following phenotypes were obtained...
*October 28, 2009*

**math**

A car accelerates 15m/s^2 the car has a mass of 45000kg. what force is needed for this to occur?
*October 1, 2009*

**algebra**

n+5=5+n? commutative, associative, and identity properties
*August 30, 2009*

**essay writing**

what were the speakers arguments and counterarguments in charles foster kane speech
*July 19, 2009*

**college**

On january 1, 2007 yarrow corp. had 1000000 shares of common stock outstanding. on march 1 the corp had issued 15000 new shares to raise additional capital. on july 1 the corp. declared and issued a 2 for 1 stock split. on october 1 the corp. purchased on the market 600000 of ...
*May 6, 2009*

**Physics**

1/12 * L
*April 2, 2009*

**math**

Its 43.6
*February 5, 2009*

**Math**

Here is the question that I need to answer: Mr.T wanted to remodel his box, He wanted to make it the shape of a perfect regular dimension. A.) How many total degrees would the interior of Mr.T's decagon have? SHOW WORK. B.)How many degrees would each angle be in Mr. T'...
*January 8, 2009*

**intergrated science**

can u unsramble this word for me please the assatiepr
*November 8, 2008*

**maths**

the galaxy we live in is roughly lens shaped,and pins.its diameter is given inlight years. (1 light year=9.5Exp12km) calculate the circuference or our galaxy in kilometres. the earth is at a point 3Exp4 light yaersfrom the centre.How far does the earth travel in one turn of th...
*August 23, 2008*

**English (Frankenstein essay)**

Dont av a clue wot to do on it haha x
*April 10, 2008*

**English (Frankenstein essay)**

*Instead saying she tried to give the monster humanity. Say she tries to give the monster human qualities, this is called personification. *mary contrasts the creation of 'adam' by god, with the creation of the monster. Because god see his creation as good but ...
*April 10, 2008*

**AP History**

Thank you!
*February 19, 2008*

**AP History**

What was the common term for the newly liberated slaves after the civil war?
*February 19, 2008*

**Physics**

I am hoping that I can find some help here. how do I convert newtons times seconds (NS) to Kilograms times meters per seconds squaired over seconds. (kgM/s2)/s
*January 15, 2008*

**intergrated science**

assatierpr
*November 4, 2007*

**Pharmacology**

This is super confusing, I'm sorry! The homework: You have to administer simultaneously two drugs which are each 90% protein bound when administered separately. Please use the law of mass action to calculate how do you have to change the administered doses to obtain the ...
*September 25, 2007*

**for SraMgin**

i still dont understand why he thinks "selective ethics" is wrong, though
*September 22, 2007*

**Philosophy**

i still dont understand why he thinks selective ethics is wrong, though.
*September 22, 2007*

**Philosophy**

what is selective ethics and why is it wrong to use it in science?
*September 22, 2007*

**Physics**

what is the angular speed, in rad/s, of a point on the surface of Jupiter at latitude 72 degrees N?
*September 19, 2007*

**Physics**

One cubic meter of granite has a mass of 2.70E3 kg, and one cubic meter of gold has a mass of 1.93E4 kg. Find the radius of a granite sphere whose mass is the same as that of a gold sphere of radius 1.07 cm. Any help is appreciated!!
*September 18, 2007*

**math.chem**

Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know the answer is 0.0306, but how many sigfigs should the final answer have? ...
*September 13, 2007*

**MATH/CHEM PLEASE HELP!**

Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know how to solve for the answer, i just dont know the correct number of sig figs...
*September 13, 2007*

**algebra**

For a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. Using the formula, , let r = 10%, P = 1, and n = 1 and give the coordinates (t, A) for the points where t = 0, 1, 2, 3, 4. Round your answer to the ...
*March 8, 2007*

**a**

For a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. Using the formula, , let r = 10%, P = 1, and n = 1 and give the coordinates (t, A) for the points where t = 0, 1, 2, 3, 4. Round your answer to the ...
*March 8, 2007*

**algebra**

An open-top box is to be constructed from a 6 foot by 8 foot rectangular cardboard by cutting out equal squares at each corner and the folding up the flaps. Let x denote the length of each side of the square to be cut out. 1. Find the function V that represents the volume of ...
*March 8, 2007*

**algebra**

Logarithms: a)
*March 7, 2007*

**algebra**

An open-top box is to be constructed from a 6 foot by 8 foot rectangular cardboard by cutting out equal squares at each corner and the folding up the flaps. Let x denote the length of each side of the square to be cut out. a)
*March 7, 2007*

**physics**

m2=m1(v1i-v1f/v1f+v1i) v2f=2m1/m1+m2 all multiplied by v1i the second part to this doesnt matter bc v2i=0
*March 4, 2007*

**Science**

I hated heat transfer, so I can't help. Sorry.
*January 16, 2007*

**acids and alkalis**

alkalis oven cleaner hand wash baking soda soap tooth paste maltic acid paint grease remover ect... hope it helps xxx
*November 4, 2006*

**science**

The Exation below is what is needed for burning: methane+oxygen-carbon dioxide+water. hope this is helpfull, im doing the same project tooo :)
*October 21, 2006*

**science**

I have the same homework! Im just writing a load of crap. :)
*October 20, 2006*

**Biology**

Which one of the following is not a trace element in the human body? a. fluorine b. nitrogen c. zinc d. manganese e. iodine. The human body contains about 2.6% nitrogen. That is way above the percent in the definition of trace elements See: http://en.wikipedia.org/wiki/...
*September 28, 2006*

**d&t**

What is horology and how does it work, what does it do and why is it used? do not know i think its too do with time You're right. Here's a dictionary definition: The science of measuring time. The art of making timepieces.
*September 17, 2006*