Monday

September 1, 2014

September 1, 2014

Total # Posts: 69,978

**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.
*May 14, 2014*

**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 ...
*May 14, 2014*

**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...
*May 14, 2014*

**Maths Probability**

please solve P(XY≥1)=
*May 14, 2014*

**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)= ???
*May 14, 2014*

**chemistry**

please tell me if this is set up right (275g)(4.184J/1 g Degree C)(85Degrees C)
*May 14, 2014*

**chemistry**

how many joules of energy are needed to change 275 g of water from 15 degrees C to steam at 100 degrees C
*May 14, 2014*

**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
*May 14, 2014*

**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 ...
*May 14, 2014*

**math**

-15 = y + 82
*May 14, 2014*

**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
*May 14, 2014*

**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...
*May 14, 2014*

**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 ...
*May 14, 2014*

**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 ...
*May 14, 2014*

**Social Studies**

Could it be that there would have been no resolution to the Alien and Sedition Act's
*May 14, 2014*

**Social Studies**

But the question is if the Construction and Ohio Railroad had not occurred, how would things be different.
*May 14, 2014*

**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.
*May 14, 2014*

**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
*May 14, 2014*

**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) ...
*May 14, 2014*

**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 ...
*May 14, 2014*

**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 ...
*May 14, 2014*

**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'...
*May 14, 2014*

**science**

A i dont know and i think D
*May 14, 2014*

**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 ...
*May 14, 2014*

**Math **

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

**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 = -...
*May 14, 2014*

**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.
*May 14, 2014*

**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 ...
*May 14, 2014*

**Math**

How do you find y' of y=tan^2(x^4)?
*May 14, 2014*

**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.
*May 14, 2014*

**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.
*May 14, 2014*

**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 ...
*May 14, 2014*

**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
*May 14, 2014*

**Social Studies**

I am confused on this one.. Please elaborate.
*May 14, 2014*

**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.
*May 14, 2014*

**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.
*May 14, 2014*

**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.
*May 14, 2014*

**english III**

When you go marketing, bring the groceries home in a paper sack instead of a box.
*May 14, 2014*

**Social Studies**

If the Monroe Doctrine had not been proclaimed then Europe now has a free hand in Latin America.
*May 14, 2014*

**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.
*May 14, 2014*

**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.
*May 14, 2014*

**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 ...
*May 14, 2014*

**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 ...
*May 14, 2014*

**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
*May 14, 2014*

**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 ...
*May 14, 2014*

**Child day care**

A(n) _______ causes a behavior to repeat.
*May 14, 2014*

**Chemistry**

calculate the heat liberated when 15.0 g glucoseis metabolized to CO2 and H2O
*May 14, 2014*

**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 ...
*May 14, 2014*

**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 ...
*May 13, 2014*

**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?
*May 13, 2014*

**SIG FIGS**

174.69 rounded to 2 sig figs
*May 13, 2014*

**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 ...
*May 13, 2014*

**LA**

I have, what question do you have about it?
*May 13, 2014*

**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 ...
*May 13, 2014*

**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.
*May 13, 2014*

**Math**

174.69 rounded to 2 sig figs
*May 13, 2014*

**Probability**

Bayes rule
*May 13, 2014*

**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.
*May 13, 2014*

**moles**

how many grams of H2O are needed to react completely with 3.5 moles of ethylene?
*May 13, 2014*

**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 ...
*May 13, 2014*

**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
*May 13, 2014*

**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?
*May 13, 2014*

**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?
*May 13, 2014*

**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 ...
*May 13, 2014*

**science 7th grade**

The answer is quite obvious.
*May 13, 2014*

**Algebra 1 Answer Evaluation**

The way my textbook gives: x - 3 = -+√(22) x = app. 7.7 x = app. -1.7
*May 13, 2014*

**algebra**

what would the compound interest on 8000.00 invested for two years at 12% compounded semiannually be?
*May 13, 2014*

**Social Studies**

I am referring to the ships that were named after sailors to commemorate their actoins
*May 13, 2014*

**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 ...
*May 13, 2014*

**Civics**

I think the answer to #4 is A. Can you confirm?
*May 13, 2014*

**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?
*May 13, 2014*

**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?
*May 13, 2014*

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

Traditional african marriage is an advantage for men only,not women
*May 13, 2014*

**Science**

explain air resistance in terms of colliding particles Please Help...nothing to complex please
*May 13, 2014*

**history**

Which of the following languages did not appear on the rosetta stone Demotic, latin, greek, or egyptian heiroglyphics
*May 13, 2014*

**Algebra**

Find the product (1 - 3x) (x^2 - 6x - 4)x^2 A. -3x^5 + 19x^4 + 6x^3 - 4x^2 B. -3x^5 - 19x^4 + 6x^3 - 4x^2 C. -3x^5 + 19x^4 - 6x^3 - 4x^2 D.-3x^5 - 19x^4 - 6x^3 - 4x^2
*May 13, 2014*

**SS-my answers**

Thank you very much.
*May 13, 2014*

**SS-my answers**

Fine. I pick C.
*May 13, 2014*

**SS-my answers**

1. About how many African Americans served in the Union army? 2,000 10,000 200,000 *** 1 million 2. What did the Thirteenth Amendment do? gave equal voting rights to all abolished slavery *** ended the use of poll tax outlawed school segregation 3. African Americans in the ...
*May 13, 2014*

**biology**

A farmer sprays insecticide on his crops and notices that the insect pest problem disappears. A year later he tries the same insecticide only to find that he did not achieve the same result. The insect population shows resistance to the insecticide. This is an example of ____ ...
*May 13, 2014*

**Geometry**

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 D?
*May 13, 2014*

**physics**

Oxygen diffuses from the surface of insects to the interior through tiny tubes called tracheae. An average trachea is about 2mm long and has cross-sectional area of 2×10−9m^2. Assuming the concentration of oxygen inside is half what it is outside in the atmosphere...
*May 13, 2014*

**Algebra**

Thank you very much Reiny.
*May 12, 2014*

**Algebra**

Simplify the expression: (x - y) (3x + xy - 4y) + xy^2 - x^2y
*May 12, 2014*

**Science-Ms.Sue**

I believe it's C
*May 12, 2014*

**finance**

FV= PV(1+i/n)c*n (1.089/12)12*5 (0.09075)60 0.09075*60= 5.445
*May 12, 2014*

**math**

Compound interest 1800 for 11 years at .06
*May 12, 2014*

**math**

Jade ran 6 times around her neighbourhood to complete a total of 1mile. How many times will she need to run to complete 5/6 of a mile?
*May 12, 2014*

**Math **

Simplify this expression: 11 + (x^3 - 8 / x^2 + 2x + 4) - x
*May 12, 2014*

**business math**

Statistics show that the sales force of a certain company successfully closed 352 sales out of 800 sales calls. What was their percent success rate?
*May 12, 2014*

**math**

What is the square root of 10?
*May 12, 2014*

**trig**

A man on a 135 feet cliff perpendicular (at 90 degrees) to the ground looks down at an angle of 16 degrees and sees his friend. How far away is the man from his friend? How far away is the friend from the base of the cliff? Sketch the triangle that matches this scenario with a...
*May 12, 2014*

**math**

Tyson handled 150 service calls on his shift yesterday. Of those, 20% resulted in a successful upsell of additional services. If Tyson makes a $6 commission on top of his regular salary for each successful upsell that he makes, how much commission did he make yesterday?
*May 12, 2014*

**Calculus**

h=60 L=30
*May 12, 2014*

**Algebra**

Solve for x. (5x^2 - 12x) / (x^2 + 5x - 24) <= 0
*May 12, 2014*

**Science 7**

Problem; How small is 1 part per million? What will happen to our pure food coloring when we dilute it to 1 part per million using water? What could my hypothesis be?
*May 12, 2014*

**Math**

Supposed f(1) = 2, f(2) = 3, f(3) = 0, and g(1) = 7, g(2) = 1, g(3) = 4 Find: g ○ f (2) = f ○ f-1 (3) = f ○ g-1 (4) =
*May 12, 2014*

**Math**

Let f(x) = 4√(2x^2 - 1). Write an equation of the function obtained by reflecting f(x) in the x-axis and shifting it 56 units upward, do not simplify.
*May 12, 2014*

**math**

Maria wants to draw a painting with an area of 40 square inches if she drew her painting on 1-inch grid paper how many squares would the painting coverd? Tellhow you know.
*May 12, 2014*

**math**

A store manager paid $45 each for coats. The markup is 65%. For what price should the coats be sold?
*May 12, 2014*

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