Thursday

July 24, 2014

July 24, 2014

Total # Posts: 70,542

**Maths Probability**

1. 0.125 2. 1/8 3. 1.5 4. 0.0608

**Maths Probability**

A dedicated professor has been holding infinitely long office hours. Undergraduate students arrive according to a Poisson process at a rate of λu=3 per hour, while graduate students arrive according to a second, independent Poisson process at a rate of λg=5 per hour....

**English**

Sometimes the game continued for days.

**Science**

What are reasons you should pick up trash of the ground if the someone leaves it. I have 2, 1. less pollution and 2. keeps earth healthy and clean. I need 2 more

**Social Studies**

How might America be different if the Erie Canal had not been built? I think America might be different if it hadn’t been built because New York would not have become our financial capital. The struggle to find cost effective ways of shipping bulk goods would have continu...

**Social Studies**

How might America be different if the election of 1824 that was inconclusive, had not occurred? Our two party government would have taken longer to get established.

**Math**

A bag contains one violet marble, eight brown marbles, and seven white marbles. A marble is chosen and then replaced. What is P(brown then violet)? Is it 1/32?

**Grammar**

Is it okay to say "I'm going there Wednesday," or do I need a preposition, such as "on?"

**Math (functions)**

Is it 2.5? You do: 1.5x3-2?

**Social Studies**

How might America be different if The Missouri Compromise had not occurred? There would be turmoil in the Senate over who would maintain power between the slaveholding states and free states.

**science**

What are lineage bears.

**chemistry**

298/0.343 = 868 868/42 = 21.000

**chemistry**

The decomposition of N2O5 proceeds according to the following equation 2 N2O5(g) → 4 NO2(g) + O2(g). The rate constant, k, for the reaction at 298 K is 2.20 x 10-3 min-1. If a reaction is set up in a vessel at 298 K, with an initial concentration of 0.343 mol L-1; what i...

**Geometry **

Determine whether the polygons with the given vertices are similar. Quadrilateral ABCD with vertices A(–3, 3), B(0, 3), C(0, 1), D(–3, 1) and quadrilateral EFGH with vertices E(2, –8), F(8, –8), G(8, –12), H(2, –12)

**Calculus**

How do you find the derivative of y=sinxtan^3(x)?

**Algebra :)**

Tammy will donate up to $480 to charity. The money will be divided between two charities: the City Youth Fund and the Educational Growth Foundation. Tammy would like to donate at least $140 dollars to the Educational Growth Foundation. She would also like the amount donated to...

**English**

1. This is explained in the "Culture" section. 2. This is explained in the Culture section. Which sentence is correct and why?

**math**

There are 6 red marbles and 3 blue marbles in a bag. lou picks one without looking. what is the probability that lou picks a red marble?

**Social Studies**

Around 60,000 years ago, people first settled in Australia? What were these people called? Aborigines?

**Social Studies**

How do you think America might be different if the U.S. presidential election of 1828 had not occurred? The first Democratic government would not be established and Jackson's wife, Rachel would not have died. The president himself felt that it was the stress of the campaig...

**Social Studies**

The correct answer on my test said that Australia was settled first and then New Guinea and the rest of the Pacific Islands. Was the test wrong?

**Social Studies**

Was Australia settled first or New Guinea? I had a test in which I was asked about, and it said that Australia was settled first, and then rest of the Pacific Islands. I thought that Australia and New Zealand were settled at approximately the same time.

**Calculus**

How do you find the derivative of y=tan^2(x^4)?

**geometry**

the ratio of the lengths of the radii of two sphere is 3:5. what is the ratio of the volumes of these two?

**Social Studies**

The president himself felt that it was the stress of the campaign and all that was being accused led her to have chest pains and later die, not long after he was announced President

**Social Studies**

How do you think America might be different if the U.S. presidential election of 1828 had not occurred? The first Democratic government would not be established and Jackson's wife, Rachel would not have died.

**Maths Probability**

Uncle Henry has been having trouble keeping his weight constant. In fact, during each week, his weight changes from the beginning of the week to the end of the week by a random amount, uniformly distributed between -0.5 and 0.5 pounds. Assuming that his weight change during an...

**Maths Probability**

Suppose that you move to a new house and you are 10% sure that your new house's phone number is 561290. To verify this, you use the house's phone to dial 561290, obtain a busy signal, and conclude that this is indeed your phone number. (Suppose that you were incorrect,...

**Maths Probability**

please solve P(XY≥1)=

**Maths Probability**

Let X and Y be independent random variables, each uniformly distributed on the interval [0,2]. Find the mean and variance of XY. E[XY]= 1 var[XY]= ??? Find the probability that XY≥1. Enter a numerical answer. P(XY≥1)= ???

**chemistry**

please tell me if this is set up right (275g)(4.184J/1 g Degree C)(85Degrees C)

**chemistry**

how many joules of energy are needed to change 275 g of water from 15 degrees C to steam at 100 degrees C

**Advanced Physic**

m = 0.217kg h = 0.5m M = 49kg r = 0.84m mvr = Iw 1/2mv^2 = mgh v = sqrt[2gh] v = sqrt[2 * 9.8m/s^2 * 0.5m] v = 3.1m/s w = mvr / I w = mvr / 1/2Mr^2 w = 2msqrt[2gh] / Mr w = 2(0.217kg)(3.1m/s) / (49kg * 0.84m) w = 0.033rad/s

**Advanced Physic**

A gob of clay, mass 217 g, falls from rest a distance 50 cm before striking and sticking to the edge of a wheel free to rotate about a horizontal axis through its center (Fig. 10-38). The wheel can be approximated as a solid disk of mass 49 kg and radius 84 cm. What is the ang...

**math**

-15 = y + 82

**Social Studies**

How do you think America might be different if the U.S. presidential election of 1828 had not occurred? The Nullification Crisis would not have occurred and the Tariff of Abominations would not have been passed

**Advanced Physic**

a) 24kg * 9.8m/s^2 + 75kg * 9.8m/s^2 = 970N b) A = sqrt[(8.5m)^2 - (8m)^2] = 2.87m CC = 2m CC / AC = 2m/B = 8m / 2.87m AC= 2m * 2.87 / 8m AC = 0.7175m BA = 8.5m / 2m = 4.25m AC / BA = AO / AD AC / 4.25m = 2.87m / 8.5m AC2 = 2.87m * 4.25m / 8.5m AC2 = 1.435m F2AC1 + F1AC2 - Ff ...

**Advanced Physic**

An 8.5 m extension ladder of mass 24 kg is propped up against a wall, touching at a point 8.0 m above the level ground. A man of mass 75 kg climbs 2.0 m up the ladder to repair a window. The ladder rests against a frictionless wall, but the ground has friction. Determine the m...

**Social Studies**

How do you think America might be different if South Carolina Exposition and Protest published during the Nullification Crisis had not occurred? Would it be that Congress's power to create laws is useless if every state could just decide for themselves what they will or wi...

**Social Studies**

Could it be that there would have been no resolution to the Alien and Sedition Act's

**Social Studies**

But the question is if the Construction and Ohio Railroad had not occurred, how would things be different.

**Social Studies**

How do you think America would be different if the Baltimore and Ohio Railroad Construction did not occur? If it had not occurred the primitive methods of travel would have continued. The American economy would not be strengthened for the lack of foreign and domestic trade.

**Physic**

a) A + 472N - 77kg * 9.8m/s^2 - 29kg * 9.8m/s^2 = 0 A = 567N b) -(1.4m)(9.8m/s^2)(77kg - (3.2m) / 2 * (9.8m/s^2)(29kg) + 3.2B = 0 B = 472N

**Physic**

A 29 kg board 3.2 m long is supported in a horizontal position at the two ends. A 77 kg worker stands 1.4 m from one end. What forces are exerted by the board on the two support points? Points closer to the worker. (Answer: 567N) Points farther from the worker. (Answer: 472N) ...

**science**

help fill in the blanks please?? Similarities in the early development of chickens and opossums suggest that these organisms share a _________. Niles Eldredge found evidence in trilobite fossils in a pattern of evolution in which short periods of long change are mixed in with ...

**social studies**

How do you think America might be different if South Carolina Exposition and Protest published during the Nullification Crisis had not occurred? There would not have been a Civil War. States would not be challenging the authority of the Federal Government. States would not hav...

**Social studies**

How do you think America might be different if presidents Jefferson and Adams had not died within hours of one another on Independece day? They probably would have continued their friendship through correspondance reminiscening About their contributions to the young nation'...

**science**

A i dont know and i think D

**accounting**

The major difference in the statement of retained earnings between a service business and a Merchandising business is A. that the retained earnings statement of a merchandising business includes dividends. B. that the retained earnings statement of a merchandising business sho...

**Math **

Math - Tyler, Wednesday, May 14, 2014 at 2:51pm Solve (z +2)^ 4/3 = 4 where z is a real number please helpp

**Algebra**

1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and a4 = -1...

**Social Studies**

How do you think America might be different if Missouri had not become a state? The balance of power in the Senate would be taken over by the slave states allowing slavery to be accepted in more states than not.

**Social Studies**

How do you think America might be different if the Erie Canal had not been built? New York would not be our financial capital of the world now. The North may have lost the Civil War since it served as a critical supply line. There would be no cost-effective way of shipping bul...

**Math**

How do you find y' of y=tan^2(x^4)?

**Social Studies**

How might America be different if John Quincy Adams was not elected president by the House of Representatives? The Tariff of Abomination would not have been signed into legislation.

**Social Studies**

How do you think America might be different if Missouri had not become a state? The balance of power in the Senate would be taken over by the slave states allowing slavery to be accepted in more states than not.

**Social Studies**

How do you think America might be different if Maine had not become a state? If Maine had not become a state the Louisiana Purchase would not have been divided and the number of free and slave states would not be equal creating turmoil between the North and South on which stat...

**Social Studies**

I agree. My school is asking the question, "How might America be different if these events had not occurred." I am just trying to answer to the best of my ability. I thank you for your help. It is greatly appreciated

**Social Studies**

I am confused on this one.. Please elaborate.

**Social Studies**

How do you think America would be different if the 1824 election that was inconclusive had not occurred? The Federalist Party would still be alive and well.

**Social Studies**

How do you think America would be different if the 1824 election that was inconclusive had not occurred? If the election of 1824 had not occurred then our government today would still be represented as a Democratic-Republican party. A one-party government.

**Social Studies**

How do you think America might be different if Gibbons vs. Ogden had not occurred? If Gibbons v. Ogden had not occurred then each state would have had the power to regulate who could operate on the waters for trade or exchange.

**english III**

When you go marketing, bring the groceries home in a paper sack instead of a box.

**Social Studies**

If the Monroe Doctrine had not been proclaimed then Europe now has a free hand in Latin America.

**Social Studies**

How do you think America would be different if the Monroe Doctrine was not proclaimed? If the Monroe Doctrine had not been proclaimed Europe would have continued to colonize Central and South America making the country under Europe rule instead of the United States.

**Social Studies**

How do you think America might be different if Missouri had not become a state? If Missouri didn't become a state slavery would probably be abolished quicker.

**Social Studies**

How do you think America might be different if James Monroe had not been reelected? There would have been no "Era of Good Feelings", the Monroe Doctrine, which put an end to European nations trying to colonize states in North and South America, and the Missouri Compr...

**math**

jake has decided upon three business ventures to invest in. The total cost of investing in all three ventures will be $15,000. Investing in the first venture will cost $3,000 more than investing in both the second and the third venture. According to Jake’s research, his i...

**Social Studies**

How do you think America might be different if Maine had not become a state? If Maine had not become a state the Louisiana Purchase would not have been divided and the number of free and slave states would not be equal

**Geometry Help & Proofs**

The ratio of the volume of Cylinder A to the volume of Cylinder B is 1:5. Cylinder A is similar to Cylinder C with a scale factor of 1:2 and Cylinder B is similar to Cylinder D with a scale factor of 1:3. What is the ratio of the volume of Cylinder C to the volume of Cylinder ...

**Child day care**

A(n) _______ causes a behavior to repeat.

**Chemistry**

calculate the heat liberated when 15.0 g glucoseis metabolized to CO2 and H2O

**Algebra**

A ball is thrown from an initial height of 2 meters with an initial upward velocity of 25m/s. The ball's height h (in meters) after t seconds is given by the following. Find all values of t for which the ball's height is 12 meters. Round your answer(s) to the nearest h...

**Math**

8

**Physics -- HELP PLEASE**

. Water with a mass of 1000kg leaves a hose at 20oC and is converted by the heat from the fire into steam at 300oC. List the steps needed in order to determine the amount of heat that is added to the water. For each step show the formula that must be used and replace the varia...

**Chemistry **

What is the pressure, in torr, of a gas whose density is 8.0 g/L at a temperature of 25 C above standard temperature and whose molecular weight is 75 g/mol?

**SIG FIGS**

174.69 rounded to 2 sig figs

**english**

Jane Goodall, a primatologist, studies the social and family lives of chimpanzees.

**english**

Jane Goodall is a primatologist. She studies the social and family lives of chimpanzees. Which of the following combines the sentences using an appositive? Being a primatologist, Jane Goodall studies the social and family lives of chimpanzees. Jane Goodall is a primatologist a...

**LA**

I have, what question do you have about it?

**End of Year question**

For a wide range of opinions that's why. Some people might think the end of the year as sad, some think of it as happy. Sadness can be from friends who you won't see again for 2 months. Happy for sweet relief of not having school. All i'm saying is, I want others o...

**End of Year question**

If you could describe the end of the school year with just one word what would it be? I want other peoples opinion, as I already have mine.

**Math**

174.69 rounded to 2 sig figs

**Probability**

Bayes rule

**Precalculus**

Find the equation of the ellipse with the center at (2,-3), one focus at (3,-3), and one vertex at (5,-3). Also graph the equation.

**moles**

how many grams of H2O are needed to react completely with 3.5 moles of ethylene?

**English**

Jane Goodall is a primatologist. She studies the social and family lives of chimpanzees. Which of the following combines the sentences using an appositive? Being a primatologist, Jane Goodall studies the social and family lives of chimpanzees. Jane Goodall is a primatologist a...

**Math **

the ordered pairs (2,-11) and (5,-20) are solutions to which of the following equations? (1.)y=3x-5 (2.)y=-3x+5 (3)y=3x+5 (4.) y=-3x-5

**math **

A rectangle is plotted in the coordinate plane. The vertices (corners) of the rectangle are given as A(–2,3), B(4,3); C(–2, –2) and D(x,y). What is the ordered pair for point D?

**math**

Sue has a balance of $35 in her checking account. She writes one check for $10, and three checks for $9 each. What is her balance now?

**Social Studies**

1. List the ships that were present at the time of the attack. Answer: West Virginia, Maryland, Tennessee, California, Pennsylvania, Arizona, Nevada, and Oklahoma 2. What is the name of the ship where sailors can place their ashes? Answer: USS Arizona 3. What sailors had navy ...

**science 7th grade**

The answer is quite obvious.

**Algebra 1 Answer Evaluation**

The way my textbook gives: x - 3 = -+√(22) x = app. 7.7 x = app. -1.7

**algebra**

what would the compound interest on 8000.00 invested for two years at 12% compounded semiannually be?

**Social Studies**

I am referring to the ships that were named after sailors to commemorate their actoins

**Social Studies**

1. List the ships that were present at the time of the attack. Answer: West Virginia, Maryland, Tennessee, California, Pennsylvania, Arizona, Nevada, and Oklahoma 2. What is the name of the ship where sailors can place their ashes? Answer: USS Arizona 3. What sailors had navy ...

**Civics**

I think the answer to #4 is A. Can you confirm?

**Algebra**

For a four-digit password made up of numbers in which the digits cannot be used more than once, how many passwords can be created? 5040?

**Algebra**

There are 15 people to choose from for a nine-person batting order in a baseball team. In how many ways can the people be arranged in the lineup? Is it 1,816,214,400? 2. A basketball team consists of 12 people. How many lineups of 5 people can be selected? Is it 792?

**Traditional african marriage is an advantage for men only,women **

Traditional african marriage is an advantage for men only,not women

Pages: <<Prev | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | **12** | 13 | 14 | 15 | 16 | 17 | 18 | Next>>