Monday

July 28, 2014

July 28, 2014

Total # Posts: 2,050

**Physics**

Projectile motion equation: y=xtan(è)-(gx^2)/[2(ucos(è))^2] where è=39.5 deg., u -34.9 met/sec & g=9.8 met/sec^2. On substitution and solving for y=0, you can get the horizontal range as 122.003 met. and thus the time required would be = 122.003/(ucos(&egr...

**English**

i think you sohould either try and find online video interviews of this per, and as cheesy as its sounds imagen you are teh one asking the questions and tehy are responding to you then give your opinions on their answers. ps if you cannot find someone with online videos interv...

**math**

it depends on the amount of ppl who would win and

**math**

it depends on the amount of ppl who would win

**Chemistry**

your teacher should give you a chart with which elements are soluble and insoluble

**tutor period**

what is a blog and how do you write one

**albebra**

c=2*3.14sqare root

**College mechanic vibration**

Estimate and discuss the maximum bouncing and pitching generated by your design when the car travels at 40 km/hr over a rugged terrain roughly modeled by a sine wave with 0.10 meter amplitude and 4.0 meter period. (This one does not have to be an accurate calculation. State al...

**math**

thanks :) that helped

**math**

Give the Five-Number Summary for this data set. Round your answers to the nearest tenth. 18, 22, 36, 36, 36, 44, 185, 304, 24

**graphic design**

the purpose of an art is to provide visual appeal. true or false

**social studies**

what is the geography of the great barrier reef

**7th grade**

What did the spanish farmer say to his chicken

**Calc**

This is a very confusing problem for me y = 5^3^x^2 Find y'

**Probability**

Given additional information that 56% of the total employees in the company are male and 50% of them are employees who have been working less than 5 years. If an employee selected at random is known to have been working for 5 years or more, what is the probability that the emp...

**Physics**

no idea all HELP appreciated!! A shot-putter puts a shot (weight = 70.3 N) that leaves his hand at distance of 1.45 m above the ground. (a) Find the work done by the gravitation force when the shot has risen to a height of 2.15 m above the ground. Include the correct sign for ...

**science**

you push yoursef on a skateboard with the force o 30n and the accelerate at 0,5m/s2 find the mass of you and the skateboard together

**science**

find the force exerted by z rope on a 10kg mass that is hanging from the rope

**accounting**

preent in journal form adjusting entries that would be made on july 31,2011 the end of the fiscal year 1. apr 30, a ten month 9% note for $20,000 was received from a customer

**Computers**

I have a question. What should you set your margins to if you want to print out your notes and glue them to a 3 x 5 notecard?

**Math**

Out of the numbers divisible by 3, we picked 4 consecutive numbers. To the sum of these, we added a third of the sum, and then the half of the third of the sum. We got 225. What are those 4 numbers?

**math**

So, if a problem says to use the subtraction property of equality to solve an equation.. and an equation is w + 1 = 14 what am I supposed to do?

**math**

can someone explain what Subtraction property of equality is? I don't understand it.

**chemistry**

3.1x1024 atoms of He into moles?

**operating system**

If /home/jenny/draft and /home/alex/letter are links to the same file and the following sequence of events occurs, what will be the date in the opening of the letter? a. Alex gives the command vim letter. b. Jenny gives the command vim draft. c. Jenny changes the date in the o...

**Math**

The sum of a number and three times the number is 48. What is the number?

**pysics.**

What is the minimum work needed to push a 975 kg car 230 m up along a 17.5° incline? Assume the effective coefficient of friction retarding the car is 0.20?

**Maths**

thankyou so much for your help I am vey grateful, I felt you could do every value but wasn't sure if I was missing something.

**Maths**

which amount up to £1 cannot be paid exactly with fewer than 6 coins? is this a trick question and can all the amounts be paid?! I am really struggling with this one

**math 8th grade**

find 72% of 200 and i need to show work

**Chem**

What volume of NO measured at 1.1 atm and 1100 C, can be produced from 10.0 L of NH3 and excess O2 measured at the same temperature and pressure? Here is the balance equation 4NH3+3O2+4NO+6H20 So far this is what I have: (1.1 atm)(10.0L) __________________=.097mol NH3 .08201 x...

**literature**

What is the setting and the mood for the book...The View from the Cherry Tree?

**Literature**

Give two examples of foreshadowing from the book The View from the Cherry Tree.

**math**

What do you do if 3=x and equals to y? (y is 1 with 123987 zeroes?

**statistics**

A simple random sample of 25 has been collected from a normally distributed population for which it is know that o=17.0. The sample mean has been calculated as 342.0, and the sample standard deviation is s=14.9. Construct and interpret the 95% and 99% confidence intervals for ...

**Calc**

Find the limit. lim_(x->infinity)(sqrt(9 x^2 + x) - 3 x)

**humanities**

What are some example of "self-making" and race, class, or gender, in "Satchmo: My Life in New Orleans"? self-making is when the author tells about oneself and is making up a story about what and who they are and what they've done. any more examples of ...

**math**

use a commutative law to find an equivalent expression pq. an equivalent expression pq is= subtract the following -9(-3)=

**Math**

divide if possible -28/14 select the correct choice below & fill in any answer boxes in your choice. a. -28/14= b.the answer is underfined

**calculus HELP**

how do you find the domain of the function:: 14/(x^2 - 361) <-- this is all under a square root.. i have attempted this so many times and have not found the correct answer yet. how do i solve the domain when it is a square root function with a denominator???? please help! t...

**physics**

-121.88

**Calc**

I am having trouble with these two problems for my Calc class. I have tried answering a few times already, but i keep getting it wrong. Help please and thank you. For the limit below, find values of δ that correspond to the ε values. lim_(x->1)(3 + x - 3x^3) = 1 &...

**gr.10 mathh!**

What are the factors of 1000

**science**

(A rectangular brick measurses 6cm by 9cm by 20 cm and has a mass of 2.563 kilograms.) What is the brick's surface area in square centimeters, and square centimeters?

**science**

(A rectangular brick measurses 6cm by 9cm by 20 cm and has a mass of 2.563 kilograms.) What is the brick's surface area in square centimeters, and square centimeters?

**us history**

in what year was each of the 13 colonies found and by who?

**social studies**

what city is 36 degrees north latitude and 90 degrees west longitude

**calc**

It would be great to see how this is done. The prof's way of doing it is way confusing and intricate and I just started learning integrals.

**calc**

Air resistance acting on a falling body can be taken into account by the approximate relation for the acceleration: a=dv/dt=g-kv where k is constnat Derive a formula for the velocity of the body as a function of time assuming it starts from rest (v=0 at t=0) v=?

**SOCIAL STUDIES**

what are 4 effects of magnetic compasses in the 1200s?

**english**

i have to make a poster using the following words: main idea, theme, generalization. i have to give the defintion and give examples. any suggestion how to do it. thanks

**math**

45?

**math**

what's the LCM of 9 and 15? I got 9 is that the correct answer?

**macro economics**

Using a Circular Flow diagram as a reference, describe how changes in one of the sectors of an economy will influence aggregate supply and demand.

**Grapes of Wrath**

make it rain

**4th grade**

no one knows its easy

**english Midnight's Children**

In Midnight's Children by Salman Rushdie, which character is morally ambiguous? morally ambiguous= character whose behavior discourages readers from identifying them as purely evil or purely good

**trig**

how do you find the limits of : lim sinx/x where x->0 and lim 1/x-3 where x-> 3

**Algebra**

Thank you Reiny so then when ever they are asking something similar like this question I always mult. then? or it depends on what the question is asking me for. Joe

**Algebra**

can some one please help me

**Algebra**

a bag contains 13 marbles of which 10 are red. A marble is selected at random and replaced. A second marble is then selected at random. What is the probability that both marbles are red?

**math**

solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y= -20 4y-8x= 20 i don't understand it.

**math**

so for x = 5 that's the answer i got.

**math**

solve by the substitution method. 5x + 7y= -19 x=4-4y what is the solution of the system?

**math**

simplify 1[92-(-70-78)]

**sociology**

What, if anything, do these reverse migrants lose by returning to the South?

**math**

i think you have the wrong joe

**math**

decide whether the pair of lines is parallel, pependicular, or neither 3x+2y=2 2x-3y=8

**sociology**

How much change has taken place in the racial attitudes of white Southerners in recent decades? What are the primary factors that have produced this changes?

**sociology**

What, if anything, do these reverse migrants lose by returning to the South?

**sociology**

What suggestions would be offer to bridge the digital divide that separates some seniors from others in computer usage? Consider enterprises that are both profit and nonprfit

**sociology**

What do sociologists suggest that will enhance or deter your computer literacy at that stage of life at the golden age of 65?

**sociology**

How would a symbolic interactionist respond to television and music producers who say that they only giving the public what the public wants?

**sociology**

How do these themes about male roles appear in the television and movies watch? What messages do these themes provide for men and women about masculinity and femininity?

**Alegbra**

so A=13:10 B=13:22 100mph *12/.60= 20miles (110-100)=10mph =20/10*60 120 after 13:22 I'm lost after that =13:22+120 =

**Alegbra**

Question on Train A should be 13:10 does this change the equation. Please help

**Alegbra**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 miles per huors and train B is traveling at 110 miles per hours. Train A passes a station at 1:100pm if train B passes the same station at 1:22 pm at what time will train B catch...

**trig**

how can i find all the exact solutions to the equation : 2cos^2x + 3sinx = 3 the solutions have to be between [0,2pi)

**math**

so the answer would be s=44lbs c=4.09lbs

**math**

soybean meal is 12% protein; cornmeal is 6% protein.How many pounds of each should be mixed together in order to get 240-lb mixture that is 10% protein% How many pounds of the cornmeal should be in the mixture?_____pounds How many pounds of the soybeans meals should be in the ...

**math**

examine the rise in gasoline prices from 1997 to 2006. the price of regular unleaded gasoline in january 1997 was $1.26 and in january 2006 the price of regular unleaded gasoline was $2.31 (bureau of labor statistics,2006) use the coordinates (1997,1.26) and (1997, 1.26) and (...

**Economics**

Under marketing orders instituted during the 1930’s and administered by the U.S. Department of Agriculture, orange growers in California and Arizona have been successful in behaving as a cartel in the fresh orange market. Despite the ability of California and Arizona grow...

**algebra**

Solve each equation. Watch for extraneous solutions 5/y-3 = y+7/2y-6 +1

**algebra**

Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 4/x-y , 5/2y-2x

**algebra**

correction to previous problem should read: (w^2-1)/(w-1) x (w-1)/(w^2+2w+1)

**algebra**

Perform the indicated operation (w^2-1)/(w-1) x (w^2+2w+1)

**11th g**

Decide whether or not the set has the closure property for multiplication. 2){Whole numbers} 2)Yes A)Yes B)No

**MATH 156**

Thanks Dr.Bob :)

**MATH 156**

can some one please check if my answer is correct. Write the number in scientific notation. 15)0.000 294 Answer: 2.94x10^(-4)

**geometry**

You have looked at it two times before. There are 30 questions worth 30 points. Part 1 Multiple Choice: Select the best answer from the choices provided. (Each question is worth one point) 1. Determine how many wheels are turning clockwise. 1 2 none 2. Determine how many wheel...

**english**

how does "One Flew Over the Cuckoos Nest" stand apart from modernism as a post modern work?

**Chemistry**

Oh Okay! Wow you guys are awesome. Thanks!!

**Chemistry**

Awesome Thanks So Much. But.. how do you know that in the Nernst Equation n = 6 Besides that it makes sense.. thanks again!

**Chemistry**

Determine the potential (in V) of an electrochemical cell using a gold electrode and gold (III) [0.0243 M] solution in combination with a manganese/manganese (II) [0.00567 M] half cell How on earth would I do this question? I just know Au(3+) + 3e- = Au and E = 1.22 V

**math**

Henry Devine bought a new dishwasher for 320. He paid 20 down and made 10 monthly payments of 34. What actual yearly interest rate did Henry pay? using this formula r=2mI/p(n+1) i got this r=2(12)(20)/300(10+1)= but i dont know what to do next . can you please show me how to d...

**Physics**

I need to find some information about the 'wave packet' thoery about light. Can you please tell me how I should do this.

**math**

school

**math**

is it d

**math**

The quotient of 794.1 divided by 7.61, expressed to two decimal places, is A. 95.83. B. 104.35. C. 786.49. D. 1043.50. what do they mean// ??

**Chemistry UGH**

Number 4 answer is 8.81

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