Thursday

August 25, 2016
Total # Posts: 3,146

**Chem**

A 28.3 g piece of unknown metal is dropped into a graduated cylinder that has an initial volume of 14.2 mL. If the final volume of the cylinder is 16.7 mL, determine the identity of the unknown metal from its density.
*September 17, 2014*

**physics**

A glider of length 12.7 cm moves on an air track with constant acceleration. A time interval of 0.563 s elapses between the moment when its front end passes a fixed point circled A along the track and the moment when its back end passes this point. Next, a time interval of 1....
*September 17, 2014*

**PHI208 week 4 media quiz**

Of the following, which is the most estimate of the amount of days Phil Conners(bill Murray) was stuck in the loop? (From ground hog day)
*September 16, 2014*

**math**

what is the purpose of changing radicals to rational exponent and changing rational exponent to radicals?
*September 16, 2014*

**math**

what is the importance of lowering the index of radicals?
*September 16, 2014*

**math**

give reasons of solving rational exponent or radicals in terms of, addition, subtraction, multiplication and division.
*September 16, 2014*

**Pre-Calculus**

Find all the real zeros of the polynomial. Use the quadratic formula if necessary. 4x^3 − 10x^2 + 9
*September 14, 2014*

**CHM**

suggest an alternative indicator for the standardization reaction. Explain the rationale behind your choice. Used 10 g of KHP
*September 14, 2014*

**Physics**

thank you so much!
*September 14, 2014*

**Physics**

A force of 20N is applied to a mass of 5kg resting on a rough horizontal surface. If the friction force is 5N, what is the acceleration of the mass?
*September 14, 2014*

**Chemistry**

would the answer be 18840cm3
*September 13, 2014*

**Chemistry**

A plumber installs a pipe that has a diameter of 10 cm and a length of 2.4m, Calcualte the volume of water(in cm3) that the pipe will hold. Express your answer to the correct number of significant digits. Note: The formula for the volume of a cylinder is V=Pi(r)2h, where r is ...
*September 13, 2014*

**Veterinarian assisted**

Ok thank you
*September 12, 2014*

**Veterinarian assisted**

Hello please help
*September 12, 2014*

**Veterinarian assisted **

1. In the __________, an animal patient's hair is clipped and its skin is scrubbed to prepare for surgery. A. hospital ward B. surgical suite C. treatment area D. grooming area 2. Supervision of the treatment area is usually the responsibility...
*September 12, 2014*

**physics**

An elephant walks east for a distance of 30 km, then walks north for a distance of 16 km and finally north east at 300 for 18 km. Find the magnitude of the elephant’s total displacement in kilometers. Please explain how I would do this problem? Do I add all of the numbers...
*September 12, 2014*

**college math**

if $110 is invested for one year at 13% simple interest, how much interest is earned?
*September 10, 2014*

**world geography**

Australian vegetation is dominated by various species of acacia and A. cacti. B. marsupials. C. ores. D. eucalyptus. Student Answer: B Answer: Incorrect Reference: 10. According to the World Health Organization (WHO), AIDS is listed as the _______ main cause of global deaths...
*September 8, 2014*

**Business**

It's a total of 55 students majoring in History. What is the proportion of MBA students majoring in history. Compute to 95% confidence interval of the proportion of 200 students.
*September 7, 2014*

**Physics**

An object starts from rest an undergoes a constant acceleration in the positive x direction. After some time it covers a displacement of 37 meters in the positive x direction achieving some final velocity. If the object started from rest with double the original acceleration (...
*September 3, 2014*

**physics**

A Bulldog is already moving when we first see it. It waddles -57 meters reaching a final velocity of -28 m/s after accelerating at -4 m/s2. WHAT WAS THE DOG'S INITIAL VELOCITY? Every time I try to use v^2= V0+2a(delta x) I end up getting a very big value. Could you help me...
*August 30, 2014*

**Statistics **

1. The average time it takes for a cellphone to reboot is 3 minutes with a standard deviation of 10 seconds. The average time it takes a computer to restart is 5 minutes with a standard deviation of 15 seconds. Both are normally distributed. Suppose that a cellphone and a ...
*August 27, 2014*

**world history**

During the Neolithic era, the most isolated part of the world was a)africa b)south asia c)europe d)the americas
*August 24, 2014*

**phi 208 ethical and moral reasoning**

Answer is associate ones honor with that of the group.
*August 21, 2014*

**physics**

Ball A is dropped from the top of a building of height h at the same instant that ball B is thrown vertically upward from the ground. When the balls collide, they are moving in opposite directions, and the speed of A is twice the speed of B. At what height does the collision ...
*August 10, 2014*

**chemistry**

moles of NaOH= 0.01512moles concentration of vinegar=0.756moles/L
*July 15, 2014*

**CHEM**

9.16mL
*July 14, 2014*

**algebra**

solve the following systwm graphically. Be sure to check your solution. if the system has an infinite number of solutions, use set-builder notation to write no solution, state this. 4y=x+8, x=2/3y+2
*July 9, 2014*

**PHI 208**

Yes it's from that movie
*July 6, 2014*

**math**

How to solve first question using a t table please help answer question really stuck on wok new answers 19 or170 can you tell me which is right showing work please thank you whole lot - jessica ledesma
*June 18, 2014*

**math**

At the faculty costume party , each teacher from Transylvania Middle school came dressed as his of her favorite creepy creature . The teachers arrived one at a time , and when a new teacher came in , each of the teachers already there lined up at the door and shook hands with ...
*June 18, 2014*

**Math**

A newspaper carrier has $1.80 in change. He has two more quarters than dimes but three times as many nickels as quarters. How many coins of each type does he have?
*June 12, 2014*

**physics**

What is the angular velocity of the object shown below if it rotates about the point P in the center? The rotational kinetic energy of the object is 1.4 J, the mass M is 1.3 kg, and L is 0.50 m.
*June 10, 2014*

**physics**

A man is playing tennis and a tennis ball (m=1.2 kg) approaches his tennis racket with a speed of 8.0 m/s. His racket is in contact with the ball for 2.0 ms and sends the ball flying in the opposite direction with a speed of 6.0 m/s. What is the magnitude of the average force ...
*June 10, 2014*

**Math**

Alex needs 2&1/4 cups of flour ,he has 2&3/10 cups Draw a number line that shows both fractions.
*June 9, 2014*

**Math**

Marc works in a dairy processing plant. He is paid 16.50/h. He is paid time-and-a-half if he works more than 40 hours in a week. Marc worked 54 hours this week. What is his gross pay? 1.5 x 16.50 = 24.75 24.75 x 40 = 990 Answer (what I got): 24.75 + 990 = $1014.75 The answer ...
*June 8, 2014*

**math**

below are the results of tossing a number cube 8 times find the experimental probability of tossing an even number. 3,4,1,2,5,1,6,5 1. 1/4 2. 3/8 3. 1/2 4. 5/8
*June 5, 2014*

**math**

how u get that?
*June 5, 2014*

**math**

write the number of permutations in factorial form.then simplify. how many different ways can you and four of your friends sit in the backseat of a limousine? A)4!;24 B)4!;120 C)5!;120 D)5!;720
*June 5, 2014*

**Information systems security **

What do I put in my enterprise security plan proposal? I need to cover the ten domains of Information Security Common Body of Knowledge propose the IT Security controls for the organization that you have chosen to write this for. I just need help on what exactly I am supposed ...
*June 5, 2014*

**Pre-Calculus**

if cos theta =7/13, where 0<theta<pi/2, fin the value of cos2theta
*May 31, 2014*

**Precal**

Suppose that you are sitting in a chair on a Ferris wheel that has a diameter of 120 feet that is boarded 6 feet above the ground at the 6 o’clock position. If the Ferris wheel moves in a counterclockwise direction and makes one revolution every 12 minutes, how high will ...
*May 26, 2014*

**Precal**

Suppose that Tiger hit a golf ball with an initial velocity of 150 ft/sec at an angle of elevation of 30°. Write the parametric equations to represent the flight of the ball. How long is the golf ball in the air? Determine the distance the ball traveled. When is the ball ...
*May 26, 2014*

**Child Development**

Thank You.
*May 20, 2014*

**Child Development**

Then it's D because identity moratorium is like if is is not so sure of what she wants to do and identity achievement is when she is sure about what she is going to do. She has already explored other employment and alternatives and made a decision. So it's D
*May 20, 2014*

**Child Development **

Rachel is a highechool student who has explored several employment and education alternatives. She has chosen to attend the community college near home to become a diesel mechanic. What is the identity status of Rachel according to James Marcia? A. Identity diffusion B. ...
*May 20, 2014*

**math**

The ABC Toy Company is creating two similar pieces for a board game as shown below. Find the value of b that makes the two pieces similar.
*May 7, 2014*

**Probability**

When two fair six-sided dice are rolled, there are 36 possible outcomes. Find the probability that either doubles are rolled or the sum of the two dice is 8.
*April 30, 2014*

**Probabitilty**

For hair color, Brown (B) is a dominant trait and Blond (b) is a recessive trait. If one parent has pure blond hair and one parent has hybrid brown hair, complete the Punnett square and questions that follow. a) What is the probability that their first child will have pure ...
*April 30, 2014*

**Math**

A card is drawn at random from a standard deck of 52 playing cards. What is the probability of drawing a red card or a black face card?
*April 30, 2014*

**Social work**

What kinda of game board or card game should I create about gay people? I need ideas. Thanks.
*April 28, 2014*

**English**

I did but its not giving me the information I am looking for. What is exactly Dyncorp and who they work for? I want to understand the word itself. Thank you!
*April 25, 2014*

**English**

I'm dong project on Dyncorp/CSE( Have to Give a brief description of the corporation- The human right violations it supports that makes this a social justice issue. Who profits and who pays etc)-Any action that can be taken to help prevent these human right abuses and/or ...
*April 25, 2014*

**health**

C!!
*April 22, 2014*

**mathematics **

Given that log5 3=0.683 and log5 7=1.209.without using calculator,evaluate (a) log5 1.4 b)log7 75 c) log3 125
*April 16, 2014*

**math**

log4(2x+4)-3 =log4 3
*April 16, 2014*

**Social Studies**

the answer is c
*April 12, 2014*

**Math**

Some fleet car license plates contain 4 numbers followed by 3 letters and then another 3 numbers. If this were the standard fleet car license plate and there are no other constraints, the number of plates that could be manufactured is
*April 11, 2014*

**Physics multiple choice questions**

1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
*April 8, 2014*

**Physics multiple choice questions**

1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
*April 7, 2014*

**Maths, Biology, Business Economics**

Hi I want to study Psychotherapy and be a Dance therapist but cannot find any courses for Dance Therapy in South Africa.
*April 7, 2014*

**Physics -- check answers please**

1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy --> ...
*April 7, 2014*

**math**

If a 1,000 unit vitamin D is equal to 10 glasses of milk how many glasses are in a 50,000 unit vitamin D?
*April 5, 2014*

**optimization **

Farmer taylor wants to fence a rectangular area of 1800 square feet and divided into 3 parts by fencing parallel to the shorter side. What is the minimum amount of fencing for this job?
*April 3, 2014*

**Physics -- check answers please**

1. A boy pushes a car to slow it down while the car is rolling horizontally down the road. If the boy pushes backwards on the car with 10N of force as the car rolls forward 3.0m, the amount of work done by the boy is: a)-30 b)0 c)3.3 J d)30 N•m e)300J my answer: a 2. what...
*April 2, 2014*

**Accounting**

When common stock has a par value of $2 and a market value of $15: 1.) the liability of the stockholders is $13 per share 2.) there will be additional paid-in capital of $13 per share 3.) common stock will be credited for $15 per share 4.) the paid-in capital will equal the $2...
*April 1, 2014*

**Accounting**

An estimated liability: 1. Is an unknown liability of a certain amount. 2. Is a known obligation of an uncertain amount that can be reasonably estimated. 3. Is a liability that may occur if a future event occurs. 4. Is not recorded until the amount is known for certain. (...
*April 1, 2014*

**Accounting**

Internal control devices for banking activities include signature cards, deposit tickets, checks, and bank statements. 01.) True 02.) False True or False?
*April 1, 2014*

**Accounting**

An asset's cost includes all normal and reasonable expenditures necessary to get the asset in place and ready for its intended use. 01.) True 02.) False True or False?
*April 1, 2014*

**Accounting**

Problems: Please show all calculations. Claudette, Inc., provides warranties for many of its products. The January 1, 2014, balance of the Estimated Warranty Liability account was $38,500. Based on an analysis of warranty claims during the past several years, this year’s ...
*April 1, 2014*

**Math**

solve for y 2y = 18x y - 6 = 2x trying to help with homework and at a loss here.
*March 26, 2014*

**Math**

solve for y 3x + y = 2 Trying to help out my daughter, if you could show me steps that would be wonderful. Thank You
*March 26, 2014*

**Chemistry**

10.1g of potassium nitrate were dissolved in 50cm^3 of water. the temperature fell by 16 degrees celsius. Determine (a) the number of moles of potassium nitrate dissolve in 50cm^3 of water. (b) heat change that would be produced if one mole of potassium Nitrate dissolve ...
*March 25, 2014*

**Chemistry**

3.25g of zinc was added to 50cm^3 of a 4.0 molar dm^-3 HCl. When the reaction was completed the temperature rose by 28 degrees celcius. (a) Is the reaction exothermic or endothermic? (b)All the zinc dissolve in this reaction. How many moles of zinc reacted? (c) How many moles ...
*March 24, 2014*

**statistics**

help i do not understand how to solve this question: assume that blood pressure readings are normally distributed with a mean of 111 and standard deviation of 7. A researcher wishes to select people for a study but wants to exclude the top and bottom 10 percent. What would be ...
*March 24, 2014*

**statistics**

assume that blood pressure readings are normally distributed with a mean of 111 and standard deviation of 7. A researcher wishes to select people for a study but wants to exclude the top and bottom 10 percent. What would be the upper and lower readings to qualify people to ...
*March 24, 2014*

**language of medicine medical billing and coding**

How does the musculoskeletal system change from birth to adulthood and what are the steps that the system goes through from childhood to adulthood to reach 206 bones?
*March 21, 2014*

**America history**

6. In Mesoamerica, the shift to basic crops, including corn, beans, and squash, is referred to as the _______ revolution.
*March 18, 2014*

**algebra 1**

The sum of three consecutive integers is -204 . What is the largest integer?
*March 17, 2014*

**science one question**

The answer is b
*March 13, 2014*

**Global studies**

the answers are c.b.d.
*March 12, 2014*

**Business Calc**

We deposit $19000 into an account earning 3% interest compounded semiannually. How many years will it take for the account to grow to $47500 ? Round to 2 decimal places.
*March 8, 2014*

**Pre-Algebra**

How do you find the surface area of a cylinder and a cone?
*March 6, 2014*

**Chemistry**

Many portable gas heaters and grills use propane, C3H8(g). Using enthalpies of formation, calculate the quantity of heat produced when 17.0g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.
*March 3, 2014*

**world history**

Your Welcome! :)
*March 3, 2014*

**world history**

Why was it built? Answer..... Shortcuts, Land transportation the entire way. Ship through the Mediterranean and off load the ship, move the goods by land to the Red Sea or Arabian Gulf and reload on a ship.
*March 3, 2014*

**math**

A sweater that reg. sold for $48 was put onsale for 33 1/3% off. what is the sale price?
*March 1, 2014*

**math**

Dylan's Bicycle Shop offers a new bicycle on sale for $259.92 after a 10% markdown. What was the cost of the bicycle to Dylan if the markup was 30% based on the cost? (Round to the nearest cent.)
*March 1, 2014*

**college busines math**

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...
*March 1, 2014*

**Help please!!**

Oh so third?
*February 27, 2014*

**Help please!!**

Read the sentence below. Harry didn't know that his actions would affect so many people. He now regretted his choice. This is an example of ____________. A. first-person point of view<--- B. second-person point of view C. third-person point of view
*February 27, 2014*

**Help Pleasee!!**

1.Select the community activity that is a healthy choice to promote fitness for all ages A.annual 5K fun run for charity<--- B.annual state fair C.monthly movie in the park D.monthly laser light show at the planetarium 2.Mollie is well respected by her teammates even though...
*February 27, 2014*

**English**

Where can I search poverty in my community and its poverty statics for their respective areas? For instance, MN. Thank you.
*February 24, 2014*

**Social studies**

ok thanks :)
*February 21, 2014*

**Social studies**

C A D D B C D I don't think any of them are right I did the best I could.
*February 21, 2014*

**Social studies**

I have tried to answer these im just not sure help plz. 1. Which word best describes modern life for Japanese teenagers such as Asuka? relaxed crowded isolated traditional 2. Tropical storms often hit Japan during the ________. summer winter spring fall 3. Which of Japan's...
*February 21, 2014*

**history**

If you were one of the new immigrants who arrived in America in the 1880s, it's most likely that you would have been A. Italian and Catholic. B. Irish and Protestant. C. German and Lutheran. D. Swedish and Protestant. I think it's b.
*February 20, 2014*

**Math-- Check My Answers Please**

Thanks!
*February 19, 2014*

**Math-- Check My Answers Please**

Bonnie has a rectangular photographic print that is 5 inches wide and 7 inches long. If she multiplies both the length and width by 1.5, how will the perimeter of the print increase? a.) It will be 1.5 times the original size. b.) It will be 1.75 times the original size...
*February 19, 2014*

**Ap chem-Bases**

Calculate the pH of a 0.2M solution of Triethylamine, (C2H5)3N, with a Kb of 4.0x10^-4
*February 17, 2014*