Thursday

February 11, 2016
Total # Posts: 1,211

**physics**

A baseball is thrown horizontally off a cliff with a speed of 11 ms^-1. What is the vertical distance, to the nearest tenth of a meter, that the ball has fallen after 4.8 seconds?
*August 22, 2012*

**english**

which of the following contributes most to the mystery of "An occurrence at owl creek bridge? A) the breaking from the confeeracy B) for spying on Union activities C) for planning against the enemy D) for refusing to fee union soldiers I think the answer is c but not sure
*August 20, 2012*

**Physics**

John is correct
*August 19, 2012*

**English 11**

I agree with jenne it is c
*August 13, 2012*

**statistics**

oh nevermind, i get what you are saying :) would you recommend that i do two different groups of mean and variance, one group is for having malaria, the other for not?
*August 9, 2012*

**statistics**

would i therefore need to be doing sigma = square root of [np (1-p)]?
*August 9, 2012*

**statistics**

Q) 75% of the population in Guinea, Africa is infected with malaria. Suppose a physician sees 6 patients in a given hour. Assuming these conditions are met, find the mean and standard deviation of the distribution. Help please!
*August 9, 2012*

**physics**

In a hydraulic piston, the small piston has a diameter of 2cm and the large piston has a diameter of 6m. How much more force can the larger piston exert compared with the force applied to the smaller piston?
*August 6, 2012*

**Math **

Your municipality withdraws 10,000 gallons per day from an aquifer that originally held 1,000,000 gallons. The recharge rate to the aquifer is 2,000 gallons per day. Determine how long it will take before the aquifer is depleted
*August 2, 2012*

**Math (precalculus)**

A rectangle has one corner in quadrant I on the graph of another at the origin, a third on the positive y-axis, and the fourth on the positive x-axis. Find the maximum area of the rectangle.
*June 27, 2012*

**programming Please respond**

you are rude to say that I have to change my career to adminstarotor. That is not very nice.
*June 20, 2012*

**programming Please respond**

input a list of positive numbers terminated by 0 into a array. find the mean of the numbers in the array and output the result. use a subprogram to input numbers a function to find the mean and a subprogram to output the result.
*June 20, 2012*

**programming**

input a list of positive numbers terminated by 0 into a array. find the mean of the numbers in the array and output the result. use a subprogram to input numbers a function to find the mean and a subprogram to output the result.
*June 20, 2012*

**math**

The following sequence of figures begins repeating in the fifth figure. The fifth figure has 2 squares, 2 triangles, and 1 rhombus. How many triangles will there be in the 176th figure?
*June 13, 2012*

**physics**

a motorisrt accelerates their car to 36m/s before realising they are over the speed limit and decelerates to 32m/s. calculate the distance traveled
*June 7, 2012*

**business**

1. An auto manufacturer negotiates a deal to have its cars appear in a Hollywood film. This is an example of A. publicity. C. media placement. B. product placement. D. image exposure. 2. To affect market _______, a company’s framework could be geographic, demographic, ...
*June 6, 2012*

**physics**

The answer is in meters, just switch it to cm,
*June 5, 2012*

**physics**

Two crates A and B connected together by a light rope are pulled along a factory floor by an applied force, F. Crate A has a mass of 50 kg and the coefficient of friction (μ) between crate A and the floor is 0,25. Crate B has a mass of 35 kg and μ between B and the ...
*June 3, 2012*

**Math**

A Company makes and sells sailboats. The company's cost function in thousands of dollars is C(x)=2x+20, and the revenue function in thousands of dollars is R(x) =4x, where x is the number of sailboats. Evaluate and interpret C(5).
*May 29, 2012*

**Physics**

How do I make calculations for a toy hovercraft?
*May 20, 2012*

**Physics**

How do I make calculations for a toy hovercraft?
*May 20, 2012*

**math 6th grade**

write the rule anf find the missing input. input out put 0 5 3 14 x 32
*May 7, 2012*

**math**

find the terms and leave the coefficients as factorials. Term with b^8 in (a + b^2)^10
*May 7, 2012*

**math**

Simplify the following expression. (n-1)!/n!
*May 4, 2012*

**physics**

5.16*10^8 for Mastering Physics
*April 28, 2012*

**English Helppppp**

a persuasive argument that will promt your college to offer a summer block of cources that deal exclusively with current trends in the career field in which you are pursuing a degree, or in a field in which you have a keen interest. ok i plan to write about fashion designing ...
*April 25, 2012*

**chemistry**

saADFFF
*April 25, 2012*

**chemistry**

1232
*April 24, 2012*

**english**

gfhcgc
*April 23, 2012*

**math**

Area A sequence of smaller squares is formed by connecting the midpoints of the sides of a larger square. (a) If the area of the largest square is 1 square unit, determine the first five terms of a sequence that describes the area of each successive square. (b) Use a formula ...
*April 19, 2012*

**Essay (Please proofread) I appre**

i appreciate all the help, these were quality suggestions that will help my paper sound better. Thanks for all your help!
*April 17, 2012*

**Essay (Please proofread) I appre**

New Orleans Emergency Operations Plan FY12 According to, The Federal Response to Hurricane Katrina: Lessons Learned, Hurricane Katrina prompted an extraordinary national response that included all levels of government—Federal, state, and local—the private sector, ...
*April 17, 2012*

**english**

can i submit essays here to be reviewed? if so where do i do that at? Thanks
*April 17, 2012*

**Math: Derivatives**

How did you get the answer? I don't quite understand. Thanks
*April 8, 2012*

**Math: Derivatives**

Use the shortcut rules to mentally calculate the derivative of the given function f(x) = −x + (3/x) + 1 After deriving it, I got -1+(0/1)+0= -1 But this answer is wrong, and I don't know why. Thank You
*April 8, 2012*

**Calc 1 (Optomization)**

A rectangular storage container with an open top is to have a volume of k cubic meters. The length of its base is twice its width. The material for the base costs $6 per square meters and the material for the sides costs $10 per square meter. Find the dimensions of the ...
*April 6, 2012*

**math**

There are 15 students in Marcelo chess club. There are 2 times as many boys as girls . Howm many girls are in the club?
*April 5, 2012*

**AP Chem**

Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.054 moles of sulfuric acid is mixed with water to make 667 milliliter of solution,what is the molarity of H+? Answer in units of M doing mole/liter doesn't work
*April 1, 2012*

**Math**

Find the equation of the tangent to the graph at the indicated point. f(x) = x^2 − 1; a = 3 and f(x) = x^2 − 8x; a = −9 whats the difference between 1 and 8x. What formula do I use and how should i solve both of these problems? Thank you
*March 31, 2012*

**physics**

A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is lowered in the tube, resonance is heard when the water level has dropped 18 cm, and again after 54 cm of distance exists from the water to the top of ...
*March 28, 2012*

**math**

would you divide 65 by 3 to find the lenght
*March 28, 2012*

**math**

a bicycle wheel has a circumfrence of 65in what can i do to find the length of one spoke
*March 28, 2012*

**Physics **

Tom the train and Dan are involved in an elastic collision. A 2.5 kg Tom is, at rest but is approached head-on by a 5.0 kg Dan moving at 0.60 m/s. The force-separation graph for the ensuing collision is given: the picture of the graph is found here: i54.tinypic (dot) com/...
*March 25, 2012*

**statistics**

Show the work for 750 x 23%, how do you do it?
*March 19, 2012*

**physics**

The system shown below consists of a block of mass M = 4.4 kg resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging block of mass m = 1.9 kg. The pulley is a uniform ...
*March 16, 2012*

**Computer Science (java1)**

can someone please tell me the equation for compshift? double Angle = 45.0; double AngleRadians; double ComptonShift ; //calculations AngleRadians = Math.toRadians(Angle); ComptonShift = Helpppp here
*March 14, 2012*

**chemistry**

an ammonia molecule, NH3 travels at about 658 m/s at room temperature. How fast would a molecule of hydrogen sulfide, H2S travel under the same conditions?
*March 13, 2012*

**Math**

6ab + 4bc - 3bc + bc
*March 12, 2012*

**English 11**

Roscoe is correct
*March 12, 2012*

**Math: Limits**

Estimate the limit numerically. lim as x→(approaches to)5 6e^(x − 5) How do I solve it? I don't plug in the numbers do I? Then how do I do this as well? What should I do to solve lim x→(approaches to)− infinity 6xe^(7x) Do I disregard the other ...
*March 10, 2012*

**english 11**

Connexus answers d,b,d,c,d
*March 9, 2012*

**critical thinking**

Identify mission-related environmental risks?
*March 8, 2012*

**physics**

You throw a 134 g ball straight up to a height of 43.0 m. (a) Assume that the displacement of your hand is 0.70 m as you throw the ball straight up. How long is the ball is in your hand? (b) Calculate the average force exerted by your hand while you are throwing it.
*March 7, 2012*

**physics**

A physics student playing with an air hockey table (a frictionless surface) finds that if she gives the puck a velocity of 5.30 m/s along the length (2.80 m) of the table at one end, by the time it has reached the other end the puck has drifted 5.19 cm to the right but still ...
*March 4, 2012*

**math**

a flagpole cast a shadow that is 26ft long. At the same time, a yardstick cast a shadow that is 4ft long. How tall is the flagpole
*March 4, 2012*

**Math**

Real rate = 11-3.8 = 7.2% 1,500,000/(1+0.072)^40= 92960.80 To check this is correct you can do: 92960.80*(1+0.072)^40= 1,500,000
*February 29, 2012*

**Pre-Cal**

If the interest on a long-term Canadian(3/8%) investment is compounded continuously, how long will it take the value of an investment to triple? (Give the answer correct to two decimal places.) Got 19 years--its wrong, can't find reason. Thanks.
*February 29, 2012*

**college**

Solve the problem. Round to the nearest cent. Joan wants to have $250,000 when she retires in 27 years. How much should she invest annually in her annuity to do this if the interest is 7% compounded annually? A) $1861.10 B) $3356.43 C) $2672.15 D) $937.86
*February 27, 2012*

**physics**

you get this one yet? can't figure it out either..
*February 26, 2012*

**Physics **

If a bicyclist of mass 68.0 kg (including the bicycle) can coast down a 7.00° hill at a steady speed of 6.20 km/h because of air resistance, how much force must be applied to climb the hill at the same speed (and the same air resistance)?
*February 21, 2012*

**physics**

2nd part...(ma)(v0 + 1/2at) a = 9.8 Havent figured out first part either
*February 20, 2012*

**physics**

A 61.7 kg person jumps from rest off a 2.98 m-high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.19 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This ...
*February 20, 2012*

**algebra**

never mind i think i figured it out.I got the answer 17.and right now, i think it is correct so adios!!!!
*February 19, 2012*

**algebra**

please
*February 19, 2012*

**algebra**

i really need help with this!!
*February 19, 2012*

**algebra**

anybody there????
*February 19, 2012*

**algebra**

yoo hoo!!!!!!?????
*February 19, 2012*

**algebra**

what number is the simplified expression equal to, 13 - 7 + (2 x 5 - 1) divided by 3 + 7. can someone help me with this???
*February 19, 2012*

**algebra**

thanks dude.so the answer or solution would be 16???
*February 19, 2012*

**algebra**

what number is equivalent to this expression,(4 x 9 - 13) - 15 divided by 5 x 2 - 1??? can someone help me with this.
*February 19, 2012*

**Algebra**

Gymnast Clothing manufactures expensive soccer cleats for sale to college bookstores in runs of up to 500. Its cost (in dollars) for a run of x pairs of cleats is C(x) = 3000 + 9x + 0.1x2 (0 ≤ x ≤ 500). Gymnast Clothing sells the cleats at $130 per pair. Find the ...
*February 19, 2012*

**Short Stories**

1.In "Paul's Case," why does Paul go to work early? A. He didn't want to get caught skipping school. B. He liked looking at the pictures in the art gallery. C. He wanted to wrestle with the other boys. D. He didn't want to lose his job. (B) ? 2. Which one...
*February 18, 2012*

**english**

Can't*
*February 17, 2012*

**english**

I've gotten my books, And have done all my work, this is my last section and I don't know these stories, I can seem to find them in any of my books.
*February 17, 2012*

**english**

Well as you can see its not all 1-20 the ones I left out were the ones I know, I'm having some trouble with these..
*February 17, 2012*

**english**

1.In "Paul's Case," why does Paul go to work early? A. He didn't want to get caught skipping school. B. He liked looking at the pictures in the art gallery. C. He wanted to wrestle with the other boys. D. He didn't want to lose his job. 2. Which one of ...
*February 17, 2012*

**us history**

The Socialist party a.) stood at its pinnacle in the early 1900's. b.) elected 33 candidates as mayor in the early 1900's. c.) elected two socialists to Congress in the early 1900's. d.) All of the above. I say it is d.) all of the above, am I right?
*February 15, 2012*

**chemistry/help**

1) Oxygen and boron are in the same period . When they form a compound----- is written first.Phosphorus and arsenic are the same group. When they form a compound------is written first. A) oxygen/phosphorus B)oxygen/arsenic C)boron/phosphorus D)boron/arsenic answer is D 2) The...
*February 12, 2012*

**chemistry/check please**

1) Oxygen and boron are in the same period . When they form a compound----- is written first.Phosphorus and arsenic are the same group. When they form a compound------is written first. A) oxygen/phosphorus B)oxygen/arsenic C)boron/phosphorus D)boron/arsenic answer is D 2) The...
*February 12, 2012*

**Chemistry**

What would happen if MnO2 was mixed with KBrO3 ND 9 M sulfuric acid?
*February 10, 2012*

**math**

If every 6th customer gets a coupon for free fruit snacks and every 9th customer gets a coupon for free fruit juice which customer will be the first to get both free fruit and free juice?
*February 7, 2012*

**physics**

Can't figure this one out myself either...gotten any further into it? Have tried multiple ways with no success
*February 6, 2012*

**Physics**

.417s
*February 5, 2012*

**math**

Suppose a bag of marbles has 4 green, 2 red, 5 yellow, 1 brown, and 7 blue marbles. What is the probability of picking a green marble, replacing it, and then picking a brown marble?
*January 31, 2012*

**world history**

1)Who became Da vinci,s rival in Florence? -Michelangelo 2)What was the mistake Leornardo made with his work the last Supper? -leornardo chose to sit Judas in with the rest of the disciples 3)What was the name Da Vinci gave to his appertentice? Can you check my answer? And ...
*January 31, 2012*

**Probability **

4,915 people were surveyed about their recent purchases. 1,027 of those people surveyed bought a lawn mower within the last year, 918 bought a snow blower within the last year, and 3,387 didn’t buy either of the two. a) How many people bought a lawn mower and a snow ...
*January 30, 2012*

**Algebra II**

1. A sound has an intensity of 5.92 „e 1025W/m2.What is the loudness of the sound in decibels? Use . 2. Suppose you decrease the intensity of a sound by 45%. By how many decibels would the loudness be decreased?
*January 25, 2012*

**social studies**

mummy-shaped figures that worked in the after life,s fields for the mummy
*January 17, 2012*

**physics**

A +30 µC charge is placed 44 cm from an identical +30 µC charge. How much work would be required to move a +0.69 µC test charge from a point midway between them to a point 14 cm closer to either of the charges?
*January 17, 2012*

**math**

find the average of 26, 42, 57, 49, and 16.
*January 17, 2012*

**Earth Science**

True or false? ------------------------- Although there is scientific evidence and many scientific theories about the origin of the universe, how it all happened remains a question. Which statement is true? ------------------------- The perfect cosmological principle is the ...
*January 17, 2012*

**spanish/check please**

Describe a typical day in your life from beginning to end eight different( (reflexive verbs).give time you do each of those activities as well. 1-Yo me levanto a las seis de la manana. 2-Entonces me lavo la cara a las seis y cuarto. 3-Depues de que me pongo la ropa a las seis...
*January 16, 2012*

**auditing**

I have been asked "Determining whether amounts are in conformity with GAAP addresses the proper measurements of assets, liabilities, revenues, and expenses which includes all of the following except: a. the reasonableness of management's accounting principles. b. ...
*December 19, 2011*

**Englidh 7 - Journal Entry (plz read)**

This is great!! :)
*December 15, 2011*

**Math**

I'm not 100 percent sure but I believe it goes like this . The coach could have runners A B C run. He could also have runners A B D run it . Yet he could have runners C A D run . He also may have Runners B D C run.
*December 15, 2011*

**MATH**

THANKS FOR THE ANSWER BUT I DON'T KNOW HOW TO WRITE THE PROBLEM TO ARRIVE TO THAT ANSWER
*December 14, 2011*

**Spanish 1**

ESTA' REMEMBER THE ACCENT OVER THE "A"
*December 14, 2011*

**Spanish 1**

DONDE ESTA LA SILLA WHERE IS THE CHAIR?
*December 14, 2011*

**MATH**

SANTA WAS NUMBERING THE PAGES OF HIS ORDER BOOK. HE WROTE 690 DIGITS. HOW MANY PAGES WERE IN HIS ORDER BOOK?
*December 14, 2011*

**auditing**

I am right to believe that the rights and obligation assertion applies only to the balance sheet items only? Because my homework assignment asks," The rights and obligations assertion applies to: a. current liability items only. b. revenue and expense items only. c. both ...
*December 14, 2011*