Wednesday

July 1, 2015

July 1, 2015

Total # Posts: 86

**math**

Josh has 5/8 of a foot of plywood. To finish building the deck, he needs five time that amount. How many feet of plywood does Josh need? A.) 3 feet B.) 3 1/2 feet C.) 3 1/8 feet D.) 3 2/9 feet
*December 10, 2014*

**math**

Ms. Johnson's class is having a pizza party. If there are 14 students and 7 pizzas cut into 8 slices, what answer choice represents the fraction of one pizza that each student receives? A.) 1/3 B.) 1/4 C.) 1/2 D.) 1/8
*December 9, 2014*

**art**

what did the artist most likely do to create this piece of art? A. had no prior knowledge of perspective B. investigated the scenery before painting it C. chose the colors that were pleasing rather than accurate D. omitted the use of proportion to keep this image interesting
*December 1, 2014*

**ethics**

Viktor Frankl states that it is ______ to define lifes meaning in broad and sweeping terms. a. Necessary. b. Easy. c. Impossible. d. Possible but very hard.
*November 28, 2014*

**History**

Descride 5 reasons for the outbreak of the Haitian revolution
*October 15, 2014*

**calculus**

Implicit diff. y^2 + 4xy +4y^2=40 2yy'+ _______ + 8y*y=0 I am confused with the 4xy. Would you write this out to be 4x*y'+4y OR 4x*4y' + 4y*4x'? Please help
*October 5, 2014*

**math homework help**

107826.25
*May 20, 2014*

**mathh**

How do you know 1 and 2/3 divided by 3 and 1/2 has to be less than 1/2, without calculating the quotient? Please explain :)
*March 21, 2014*

**Geography**

the answer is A secondary just took test
*February 27, 2014*

**Strayer**

Choose two dimensions, describe them, and explain the relationship between your chosen dimensions. Provide at least two examples to support your explanation.
*February 9, 2014*

**Chemistry**

The temperature of 550. g of water is increased from 16.0 degrees Celsius to 28.2 degrees Celsius by burning fuel. How many joules of energy is needed to increase the temperature of the water to 28.2 degrees?
*February 5, 2014*

**english**

I need help paraphrasing this paragraph. Because addiction treatment aims to change deeply embedded habits, relapse can be part of the process. However, this is a well-known feature of diabetes, hypertension, asthma, and other chronic diseases with treatment plans that depend ...
*January 19, 2014*

**Chemistry 152**

to obtain the rate of the reaction 5Br-(aq) +BrO3- (aq) + 6H+ (aq) ---3Br2(aq) + 3H2O(l) you might follow the Br concentration or the BrO concentration.How are the rates in terms of these species related?
*December 6, 2013*

**intro to computers**

Your Boss is considering a BYOD program for your company. He asks you if there are any negatives to such a program. What do you tell him.
*October 30, 2013*

**medicall billing and coding**

I need research to do a paper on POA INDICATORES. with penn foster
*September 12, 2013*

**Algebra **

During a hurricane evacuation from the east coast of Georgia, a family traveled west. For part of the trip, they averaged but as the congestion got bad, they had to slow to If the total time of travel was 7 hours, how many miles did they drive at the reduced speed?
*August 12, 2013*

**American history **

Which of the following best describes the columbian exchange that occurred during the age of discovery
*May 31, 2013*

**physics**

In a running event, a sprinter does 4.9 105 J of work and her internal energy decreases by 9.1 105 J. (a) Determine the heat transferred between her body and surroundings during this event. J (b) What does the sign of your answer to part (a) indicate? There is no heat ...
*April 29, 2013*

**physics**

A nuclear power plant has an electrical power output of 1900 MW and operates with an efficiency of 32%. If excess energy is carried away from the plant by a river with a flow rate of 1.0 106 kg/s, what is the rise in temperature of the flowing water? °C
*April 29, 2013*

**physics**

Consider the following figure. (a) Determine the work done on a fluid that expands from i to f as indicated in the figure. J (b) How much work is done on the fluid if it is compressed from f to i along the same path? J
*April 29, 2013*

**thermal heat**

Consider the following. (a) Find the work done by an ideal gas as it expands from point A to point B along the path shown in the figure. MJ (b) How much work is done by the gas if it compressed from B to A along the same path? MJ
*April 29, 2013*

**physics**

An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.230 mol ...
*April 29, 2013*

**physics**

An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.230 mol ...
*April 29, 2013*

**physics**

An ideal gas is enclosed in a cylinder with a movable piston on top of it. The piston has a mass of 8,000 g and an area of 5.00 cm2 and is free to slide up and down, keeping the pressure of the gas constant. (a) How much work is done on the gas as the temperature of 0.230 mol ...
*April 29, 2013*

**physics**

A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Two metallic blocks are placed in the water. One is a 50 g piece of copper at 84°C. The other sample has a mass of 58 g and is originally at a temperature of ...
*April 29, 2013*

**physics**

A 79-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.8 s. (a) Calculate the mechanical work done by the sprinter during this time. J (b) Calculate the average power the sprinter must generate. W (c) If the sprinter converts food energy to mechanical energy with ...
*April 29, 2013*

**physics**

A 79-kg sprinter accelerates from rest to a speed of 11.0 m/s in 4.8 s. (a) Calculate the mechanical work done by the sprinter during this time. J (b) Calculate the average power the sprinter must generate. W (c) If the sprinter converts food energy to mechanical energy with ...
*April 29, 2013*

**chemistry**

49-kg woman cheats on her diet and eats a 582-Calorie (582 kcal) jelly doughnut for breakfast. (a) How many joules of energy are the equivalent of one jelly doughnut? J (b) How many stairs must the woman climb to perform an amount of mechanical work equivalent to the food ...
*April 29, 2013*

**physics**

A 22.0-L tank of carbon dioxide gas (CO2) is at a pressure of 9.40 105 Pa and temperature of 22.0°C. (a) Calculate the temperature of the gas in Kelvin. K (b) Use the ideal gas law to calculate the number of moles of gas in the tank. mol (c) Use the periodic table to ...
*April 29, 2013*

**physics 52**

A car rounds a banked curve where the radius of curvature of the road is R=100m., the banking angle 10 degrees and the coefficient of static friction is .10 (slippery conditions). A) Determine the range of speeds the car can gave without slipping up or down the road.
*April 21, 2013*

**physics 70**

A .275 kg. object is swung in a vertical circular path on a string .850 m. long. A) What are the forces acting on the ball at any point along this path? B) Draw free-body diagrams for the ball when it is at the bottom of the circle and when it is at the top. C) If its speed is...
*April 21, 2013*

**Physics**

Two blocks of masses m1 = 2kg. and m2 = 4kg. are each released from rest at a height of h = 5m. on a frictionless track, and undergo an elastic head-on collision. a)Determine the velocity of each block just before the collision. b) Determine the velocity of each block ...
*April 20, 2013*

**Physics**

a 5kg block is pushed 3m up a vertical wall with constant speed by a constant force of magnitude f applied at an angle of 30 degrees with the horizontal. if the coefficient of kinetic friction between block and wall is .3, determine the work done by a) f b) the force of ...
*April 20, 2013*

**Chemistry**

How many moles of Al(OH) are required to completely react with 2.75mol of H2SO4?
*February 13, 2013*

**math**

A sheet of cardboard measures 9 feet by 6 feet. Gina makes the entire sheet of cardboard into a closed box that is a perfect cube. What is the surface area of the box?
*January 24, 2013*

**math**

If the recipe for 4 pancakes is 6tbsp flour and 1/4 pint milk how much milk and flour would you use for 1/4, 1/2, 2, 5, and 3 pancakes?
*December 20, 2012*

**math**

If the recipe for 4 pancakes is 6tbsp flour and 1/4 pint milk how much milk and flour would you use for 1/4, 1/2, 2, 5, and 3 pancakes?
*December 19, 2012*

**Le math**

A. (17 • 6) + (20 • 10) B. (17 • 20) – (14 • 10) C. (17• 6) + (14 • 10) D. (17 • 20) – (7 • 14)
*September 21, 2012*

**statistics**

man cholesterol is 175mg/dl , standard deviation 20mg/dl..approximate normal distribution..what percentage has cholesterol above 155mg/dl? thanks..
*July 2, 2012*

**Research skills**

A. 530 C68s 1985 B. 530.1 A12f 1976 C. 530.028 M52c D. 530 A82u 1988 E. 530.0274 C52e
*May 31, 2012*

**statistics**

A sample of 352 subscribers to Wired magazine shows the mean time spent using the Internet is 13.4 hours per week, with a sample standard deviation of 6.8 hours. Find the 95 percent confidence interval for the mean time Wired subscribers spend on the Internet.
*March 19, 2012*

**Math**

IN A TRIANGLE THE TWO LARGER ANGLES DIFFER BY 10 DEGREE. tHE SMALLER ANGLE 50 DEGREE LESS THAN THE LARGEST ANGLE. WHAT IS THE MEASURE
*February 22, 2012*

**Chemistry**

Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated: (a) 18 M H2SO4 to prepare 225 mL of 2.0 M H2SO4 (
*December 21, 2011*

**criminal investigations**

that is exactly what i thought too, the main objective is to solve the crime that is being investigated. thank you Ms. Sue
*December 7, 2011*

**criminal investigations**

do the objectives of a criminal investigation change with the type of investigation
*December 7, 2011*

**Nutrition**

Josephine is a 20 year old female who is present for an eating disorder not otherwise specified. She currently teaches salsa lessons at the community college and is in her last semester of college. She reports she is living at home and the food her mom prepares is not the ...
*June 6, 2011*

**Math**

A moving truck fills up a shipment at an old address, at (-2,1). It travels 7 blocks south and 6 blocks east to the new address. What is the location of new address?
*April 28, 2011*

**math**

i am a number between 20 and 30. when you put me into 6 equal groups, there is an even number in each group and 1 is left over. what number am i?
*April 25, 2011*

**scientist**

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in ...
*February 24, 2011*

**math**

the length of the base of a triangle is 4 times its altitude. if the area of a triangles is 162cm2 find the altitude
*February 11, 2011*

**healthcare**

thanks
*June 26, 2010*

**healthcare**

a societal culture.
*June 26, 2010*

**healthcare**

Is quality related to culture? Why or why not?
*June 26, 2010*

**statistics**

what are a couple of benefits and limitations of manual calculations?
*June 16, 2010*

**statistics**

What is the correct methodology for defining null and alternative hypothesis? Give an example
*June 4, 2010*

**statistics**

how can I start a introduction off for a statistical paper?
*May 28, 2010*

**racial.ethnics**

What does the future hold for Hispanic-Latino panethicity? I assume we will all continue to mix with each other, but will there be anything else?
*May 11, 2010*

**scientist**

How did leeuwenhoek's work influence us today?
*April 4, 2010*

**business**

The vast majority of inside directors are from all but one of the following
*December 24, 2009*

**algebra**

perform the product in simplified form please show the work. (2x+1)(3x-2)
*December 11, 2009*

**algebra**

perform the indicated operation and give the answer in simplified form. 6x^2y^3(3xy^2)^2 _________________ xy^2
*December 11, 2009*

**algebra**

perform the operation and simplify the answer. sqrt 12x^3 . sqrt 3xy^2 Please show work.
*December 11, 2009*

**college biology**

What does enhance genetic diversity?
*November 17, 2009*

**algebra**

Dustin drives 5 miles per hour faster than Kelly. If he leaves town 1 hour after Kelly and they travel in opposite directions, they will have drive equal distances after Dustin has traveled 7 hours. How far apart are they?
*September 24, 2009*

**maths**

Solve k^2 + km = 8 m = k- 6 Can you show me step-by step please?
*September 21, 2009*

**Maths**

Solve k^2 + km = 8 m = k- 6 Can you show me step-by step please?
*September 21, 2009*

**science**

is life processes a function that a living thing performs to stay alive and produce more of its own kind
*May 26, 2009*

**english**

what is the object pronoun of this sentence? the thief stole the expensive diamonds. should it be the thief stole them.
*March 24, 2009*

**Healthcare**

What is being done to implement the reform of socialization and care givers?
*March 15, 2009*

**english**

choose the inflected form that is most likely to appear in a dictionary entry and why fastest craziest dogs taller
*February 4, 2009*

**english**

whichwordisaninflectedformthatismostlikelytoappearinadictionaryentryandwhyfastestcraziestdogsortaller
*February 4, 2009*

**4th grade**

a. 36cats b. 216 whiskers c.1,296 fleas d. 6 houses 6 cats 6 whiskers 6 fleas
*January 8, 2009*

**4th grade**

A MAN HAS 6 HOUSES. INEACH HOUSE HE KEEPS 6 CATS. EACH CAT HAS 6 WHISKERS. AND ON EACH WHISKER SIT 6 FLEAS. A. HOW MANY CATS ARE THERE? B. HOWMANY WHISKERS ARE THERE ON ALL THE CATS? C.HOW MANY FLEAS SIT ON ALL THE CATS' WHISKERS? D. ANSWER THE LAST LINE OF THE PUZZLE:&...
*January 8, 2009*

**Calculas**

Can someone please walk me through the steps for the following Partial derivatives problems: f(x,y) = x^7 - 8y - 3, find x and y f(x,y) = 7 / 5x+4y, find x and y
*June 11, 2008*

**Calculas**

Can someone walk me through the following questions: Partial Derivatives f(x,y) = x^7 -8y -3 find x and y f(x,y) = 7 / 5x + 4y, find x and y
*June 11, 2008*

**Child Development**

Research shows that the____ is an important factor in a child's development
*March 8, 2008*

**finance**

It would take 4.73 years more than 4 1/2 years to accumulate $250,000
*January 22, 2008*

**Literature**

I am really having trouble with the convention in literature could I have some examples?
*August 22, 2007*

**Algebra**

create an englis representing an algebraic relationship An English what? Sentence?
*July 31, 2007*

**Computer Questions**

A new printer purchased that uses Windows XP, before the printer can be operated correctly, what must you install?
*June 19, 2007*

**english**

If you are writing a formal paper, how do you write 1600s (as in the century)? Is there an apostrophe: 1600's? Thank you for using the Jiskha Homework Help Forum. This is what the MLA guide says concerning dates: Full dates when written in the text may be in US format: ...
*May 13, 2007*

**chem**

Will someone help me with this problem, please? Calculate the mass in grams of 1.20*10^24 molecules of CO2. Well, convert it to moles of CO2. number moles= 1.2*1024/avagnumber Now, you take the molecular mass of CO2 (12 + 2*16) and multiply that by the number of moles. I got 8...
*March 21, 2007*

**electricity and electronics**

a battery consists of five cells connected in series if the voltage developed by each cell is 1,5 the total voltage developed by the battery is 5 x 1.5 = 7.5 V Battery voltages add when connected in series.
*August 10, 2005*

**electricity and electronics**

a transformer has a primany voltage of 115 v and secondary voltage of 24 v if the number of tures in the primany is 345 how many turns are in the secondary The voltage ratio Vsecondary/Vprimary = 24/115 = 0.209 This equals the turns ratio Nsecondary/Nprimary = Nsecondary/345...
*August 10, 2005*

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