Thursday

May 5, 2016
Total # Posts: 96,240

**maths**

Pr(getting a head) =100/200 = 1/2 pr(of getting a head odd number) =17/200
*March 7, 2016*

**maths**

Two poles having a height of 5m and 13m are 6m apart from each other. Find their distance between top of the two poles.
*March 7, 2016*

**Algebra**

idl
*March 7, 2016*

**Statistics Please help me :(**

I have no idea where to even start. Suppose heights of men are normally distributed with a mean 69.0 inches and standard deviation 2.8 inches. How many of a group of 1000 men would you expect to be between 70 and 72 inches tall? Round to the nearest whole number. Suppose ...
*March 7, 2016*

**Linear Algebra**

Determine the projection of the vector v = (−1, 6, 4) onto the vector u = (−1, 2, 4).
*March 6, 2016*

**Math**

Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 15. Find the probability that a randomly selected adult has an IQ that is less than 115. Round to the nearest thousandth. Answer precisely. Do not use the Empirical ...
*March 6, 2016*

**MATH**

How do you find the z score of a percentile? For ex.: Find the z score of P88
*March 6, 2016*

**Finance**

Fill out the missing items on the Kim, Inc.’s balance sheet based on the ratios given below: Cash and marketable securities 800 current liabilities ? Accounts Receivables ? Long term Debt ? Inventory ? Equity ? Fixed Assets ? TOTAL ASSETS $8800 TOTAL LIABILITIES AND ...
*March 6, 2016*

**Math**

I assume charts. It's an online class and I'm basically teaching myself. z = (x -mean)/ sd z = (72-68)/2 z= 4/2= 2 1-.9772 = .0228 2.28% I saw this example (I found the same question with different numbers) and it made sense to me until the 1-.9772 = .0228 Where is ...
*March 6, 2016*

**Math**

Suppose heights of men are normally distributed with a mean 69.0 inches and standard deviation 2.8 inches. What percent of men are over 6 feet tall? Round to the nearest tenth of a percent. I understand finding the z score but I'm not sure how to find the percent part. Help?
*March 6, 2016*

**Statistics**

Suppose heights of men are normally distributed with a mean 69.0 inches and standard deviation 2.8 inches. What percent of men are over 6 feet tall? Round to the nearest tenth of a percent. I understanf finding the z score, but I'm not sure how to find the percent.
*March 6, 2016*

**physics**

lmao UH's physics test am i right
*March 6, 2016*

**physics**

A 910kg object is released from rest at an altitude of 1200 km above the north pole of the earth. If we ignore atmospheric friction, with what speed does the object strike the surface of the earth?
*March 6, 2016*

**mat**

f(x)=5sin^2x-8cos^5x [0,5 1.5]
*March 6, 2016*

**5a-2b=14 , 2a+2b=14**

give me d answer
*March 6, 2016*

**statics counting methods**

30
*March 6, 2016*

**history**

the answer is B
*March 6, 2016*

**history**

8.)How did westward expansion affect Native American tribes? A.)Railroad expansion allowed Native American hunters to sell bison meat & hides at higher rates than before B.)Railroad expansion brought U.S settlers in contact with bison, drastically reducing the population of ...
*March 6, 2016*

**algebra**

A tourist sailed against the current on a river for 6 km, and then he sailed in a lake for 15 km. In the lake he sailed for 1 hour longer than he sailed in the river. Knowing that the current of the river is 2 km/hour, find the speed of the boat while it is traveling in the ...
*March 6, 2016*

**physics**

at 10 V the current is 5 mA so the total resistance is ... 10 / .005 = 2 kohm so a (2000 - 60) ohm resistor is used in series
*March 6, 2016*

**Biology**

Ralph chromosomes X(h)Y Beatrice chromosomes XX Maureen chromosomes X(h)X George chromosomes XY Nick chromosomes X(h)Y
*March 6, 2016*

**Life orientation**

Practical action that you can take to address human right violatin in your community
*March 6, 2016*

**stats**

Suppose x has a normal distribution with sigma = 1.2. Find the minimal sample size required so that for a 95% confidence interval, the maximal margin of error E = 0.5.
*March 6, 2016*

**English**

The nurse, who was late for work, put the manual into a large blue tote bag getting out of the car. Which of the following is misplaced in the sentence above? A. who was late for work B. getting out of the car C. into a large blue tote bag D. put the manual. I think b
*March 6, 2016*

**English**

Thanks!
*March 6, 2016*

**English**

Which of the following options best demonstrates sentence fluency? A. The city looked beautiful in that it was lit by the sun which I was walking down the street. B. Walking down the street in the sunshine, the city looked beautiful. C. The city looked beautiful as I was ...
*March 6, 2016*

**science**

Gold(at weight 197gmol-1) crystallizes in a cubic closest packed structures ( the face centred cubic ) and its density is 19.3 gcm-3 .calculate its atomic radius.?
*March 6, 2016*

**maths**

The sum of two consecutive counting numbers divided by their positive difference is 9. Find the larger numbers.
*March 6, 2016*

**Life orientation**

Three courses or study field i can study after grade 12
*March 6, 2016*

**Science**

What is the balanced chemical equation for "solid calcium hydrogen carbonate reacts with hydrochloric acid solution producing carbon dioxide,water and calcium ions in solution?"
*March 6, 2016*

**Pre calc quadratic stuff**

But question is how to find a
*March 6, 2016*

**Pre calc quadratic stuff**

No u can use any point of origin u want. i would reccommend using 0
*March 6, 2016*

**Pre-Calc**

How do I write the partial fraction decomposition of 7/(x^2+13x+40)?
*March 6, 2016*

**L.O**

Propose 6 practical that you can take to adress human right violations of xenophobia in your community
*March 6, 2016*

**Physics**

A 910kg object is released from rest at an altitude of 1200 km above the north pole of the earth. If we ignore atmospheric friction, with what speed does the object strike the surface of the earth? (the polar radius of the earth is 6357 km)
*March 6, 2016*

**Biology**

When Inorganic phosphate ions, that usually repel are required to be bonded to form ADP or ATP, a lot of energy has to be given. So the bonds formed have high energy. ATP Pi-Pi-Pi When one of these bonds break to form ADP, they release huge amounts of energy. ADP Pi-Pi + Pi + ...
*March 5, 2016*

**political science**

The former Soviet Union cannot be considered a democracy because A. it did not regularly hold elections B. it permitted no acts of conventional participation C. it had no legislature D. there was only one political party
*March 5, 2016*

**political science**

i thought it was d
*March 5, 2016*

**political science **

Which of the following conditions was NOT a part of the Lemon Test, as established by the Supreme Court? A. They must not entangle the government exclusively with religion B. The primary effect must not be to advance or inhibit religion C. There must be a secular purpose D. ...
*March 5, 2016*

**political science**

so A? just to double check
*March 5, 2016*

**political science **

According to Justice William O. Douglas, where can zones of privacy (the right to privacy) be found in the Constitution? A. throughout the Constitution B. in the penumbras of the Bill of Rights C. in the First Amendment D. in the writings of the Founders
*March 5, 2016*

**Math**

Michele wanted to measure the height of her school’s flagpole. She placed a mirror on the ground 48 feet from the flagpole, then walked backwards until she was able to see the top of the pole in the mirror. Her eyes were 5 feet above the ground and she was 12 feet from ...
*March 5, 2016*

**8th grade language arts**

Not correct. Looking through the answer choices and no
*March 5, 2016*

**Climate Physics**

Hi, Hour angle= 15 degrees*(time-12) 15 degrees*(12-12)=0 H=cos(0)=1 Z=cos^-1(sin(65 degrees)*sin(22 degrees)+cos(65 degrees)*cos(22 degrees)*cos(0) Z=0.7504915 I=ScosZ S=1368 Wm^-2 I=1368*cos(0.7504915) I=1000.492 Wm^-2 Is this correct in your opinion?
*March 5, 2016*

**Climate Physics**

Thanks Bob. I neglected to give the latitude of 65 degrees North. I also looked at the reference material. From what I can see, you need an hour variable. The question does not indicate a time. This is why I find the question difficult.
*March 5, 2016*

**History**

Describe the functions of the three different branches of the United States government. In your description, be sure to identify the purpose of each branch and provide examples of how each branch can check the power of the other two branches of government.
*March 5, 2016*

**science**

Calculate the wavelength of a wave of frequency 40 MHz propagating in a medium Speed of light-(3*10to the power 5. )
*March 5, 2016*

**trigonometry**

verify sinx/secx = 1/tanx+cotx
*March 5, 2016*

**Math**

Two numbers are in the ratio of 3 to 4. If the smaller number is increased by 10 and the bigger number is decreased by 10, the results are equal. Find the numbers?
*March 5, 2016*

**Chemistry**

When perturbing the equilibrium with heating and cooling, how many times do you think the equilibrium can be shifted before it stops working? Why? How about modification of the equilibrium through changes in concentration?
*March 5, 2016*

**LA**

thank you bye
*March 4, 2016*

**LA**

okay i got to go so just say if i am right and i don't understand 6 still but just write the right answers please and i will see it tomorrow morning
*March 4, 2016*

**LA**

1 is b and 2. is a
*March 4, 2016*

**LA**

yes i did but can you just check my answers please because none of them helped to much
*March 4, 2016*

**LA**

i just want you to please check the answers and help me with question 6 please
*March 4, 2016*

**LA**

sorry 4 is a not c
*March 4, 2016*

**LA**

help me with 6
*March 4, 2016*

**LA**

1. It shall flash through doing ages, 2.It shall light the distant years; 3.And eyes now dim with sorrow 4. Shall be brighter through their tears 5. It shall flush the mountain ranges, 6. And the valleys shall grow bright; 7. It shall battle the hills in radiance, 8. And crown...
*March 4, 2016*

**math**

Solve for: 1+cosx/sinx + sinx/1+cosx = 1 My teacher said no solution, but I don't know how he got that.
*March 4, 2016*

**french **

Are these correct? she broke her leg - elle se cassée la jambe. my head hurts - J'ai mal à la tête you hurt your foot - vous blessez votre pied
*March 4, 2016*

**French**

Is this sentence correct in terms of subject and gender agreement? L'image est en noire et blanche.
*March 4, 2016*

**Trig**

Solve for [0,2pi) 2cos4x + sqrt3 = 0
*March 4, 2016*

**chemistry**

Sorry the % yield is = (16.2/ theoretical yield) *100
*March 4, 2016*

**chemistry**

Balanced equation: Ti + 2Cl2 --> TiCl4 To find the limiting reactant find the moles of Ti and Cl2. Remeber that theres 2 moles of Cl2. The one with the lowest amount of moles is the limiting reactant. Next use the moles of the limiting reagent to find to theoretical mass ...
*March 4, 2016*

**Physics**

A crate is sliding down a ramp that is inclined at an angle 26.8 ° above the horizontal. The coefficient of kinetic friction between the crate and the ramp is 0.260. Find the acceleration of the moving crate.
*March 4, 2016*

**Math**

A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn: 2 is a factor of n2 + 7n
*March 4, 2016*

**LA**

ok thank you
*March 4, 2016*

**LA**

they both have Big buildings, streets, and bridges depend upon concrete mixers.
*March 4, 2016*

**LA**

yes
*March 4, 2016*

**LA**

but do they have a lot of similarities
*March 4, 2016*

**LA**

will i read concrete mixers, harlem night song, The city is so big. this are poesms but i'm not sure if they have a lot of things in common
*March 4, 2016*

**LA**

i don't know
*March 4, 2016*

**LA**

please help me choose two poems, short stories, essays, or novels
*March 4, 2016*

**LA**

for the critical review essay you are to choose two poems, short stories, essays, or novels. Whatever you choose they must have a similar theme. State the theme for both stories in your introductory paragraph. In the body paragraphs provide text based evidence to support your ...
*March 4, 2016*

**Math**

i @ms.sue plzzz help me
*March 4, 2016*

**Math**

i need help anyone?
*March 4, 2016*

**health check my answers**

what is the answers
*March 4, 2016*

**english**

Have you discovered where you left your books?
*March 4, 2016*

**introduction to oorganisational psychology**

acoidabla
*March 4, 2016*

**Algebra**

what is it\
*March 4, 2016*

**Math**

urtdu
*March 4, 2016*

**Math**

Kim rolls two number cubes 60 times. How many times can she expect the sum of the numbers to be greater than 10
*March 4, 2016*

**math**

Tom built a fence around his rectangular shaped pool. The posts are 2 yards apart, there are 4 posts along the width and 8 posts along the length. What are the dimensions of the fence?
*March 4, 2016*

**Math**

How much money would you have in 15 days if you get a penny doubled each day?
*March 4, 2016*

**Math**

4/5 of the birthday cake was eaten on your birthday the next day you ate 1/2 of what was left. You got to finish the cake, how much was left? Hint: Leave your answer as a fraction
*March 4, 2016*

**Math**

4/5 of the birthday cake was eaten on your birthday the next day you're ate 1/2 of what was left. You got to finish the cake, how much was left? Hint: Leave your answer as a fraction
*March 4, 2016*

**algebra 1b**

sarah has 16 coins, some quarters and some nickels. if te coins have a value of $2.20, how many of each kind does she have.
*March 4, 2016*

**business studies **

What is meant by a viable business idea
*March 3, 2016*

**Weight Is Force! Science**

A space ship has a mass of 9000kg. the space ship is launched from Earth and lands on a distant planet where it has a mass of 390000 N. What is the acceleration of the gravity on this planet?
*March 3, 2016*

**math **

anthony wants to make two gardens, each with an area of 24 square feet. He will buy boards to go around each garden. the garden has side lengths that are whole numbers. draw two of the possible gardens. which garden will use boards
*March 3, 2016*

**Chemistry**

2Ln(s)+3Cd^2+(aq)->2Ln^3+(aq)+3Cd(s)
*March 3, 2016*

**English**

Is it okay to say "on the very contrary"?
*March 3, 2016*

**Math**

*Play
*March 3, 2016*

**math help please**

Zarat Zim sells refrigerators. He earns 8% commission on sales. How much does he earn on sales of $3000
*March 3, 2016*

**Math**

mr.gram is going to paint his rocket . the paint he selected is $20 per quart and it covers 50 square ft. How many quarts of paint does mr. gram need to paint his rocke if the area of the rocket was 44 ft. squared
*March 3, 2016*

**Physics**

a 2199 kg pile driver is used to drive a steel beam into the ground. the pile driver falls 8.8 m before contacting the beam, and it drives the beam 19 cm into the ground before coming to rest. using energy considerations, calculate the average force the beam exerts on the pile...
*March 3, 2016*

**geography**

becuase some times you dont answers pepoles qustions the way you are supposed to.
*March 3, 2016*

**geography**

so is it right
*March 3, 2016*

**geography**

Because of her reform activities, which group would not have supported Rebecca Latimer Felton? (1 point) supporters of educational opportunities for all citizens of the state supporters of the suffrage movement to gain voting rights for women supporters of the convict lease ...
*March 3, 2016*