Thursday

September 29, 2016
Total # Posts: 97

**Algebra**

where is the following expression in undefined?? (x+1)(x-2)/x^2-25

*May 16, 2016*

**physics**

Which of the following ; if either, produces the larger change in kinetic energy; a force of 6 newtons acting through a distance of 3 meters or a force of 3 newtons acting through a distance of 6 meters.

*February 16, 2016*

**Math**

You have been given a recipe for a completely new fruit drink. The recipe has three parts. Here is the recipe: Fruit drink recipe: 2 parts pineapple juice, 3 parts cranberry juice; 5 parts lemon juice The mixers need to make 1 quart (4 cups) of juice for the taste test. How ...

*August 26, 2015*

**math**

What is the perimeter of a rectangle that has a area of 35 in to the square root of 2

*October 15, 2014*

**physics**

A car is traveling at 20.8 m/s when the driver sees a dog run out into the street. From the time the driver applies the brakes, it takes 3.58 s for the car to come to a stop. What is the average acceleration during that period?

*September 17, 2014*

**math**

Mario walks his dog once every 8 days in the park. Todd walks his dog once every 14 days. today, both Mario and Todd walked their dogs in the park. In how many more days will both boys walk their dogs in the park on the same day?

*September 8, 2014*

**Algebra with pizzazz**

Idk

*July 17, 2014*

**Chemistry**

Although I do very well in chemistry I never really understood converting units. Perform each of the following conversions. A. 8.43cm to millimeters B. 2.41x10^2cm to meters C. 294.5nm to cm D. 1.445x10^4m to kilometers E. 235.3m to millimeters F. 903.3nm to micrometers

*July 14, 2014*

**math**

Nathaniel want to buy a new bike. His payment options are: Option 1: Pay $2055.99 cash. He only has $400.00 saved up, so he can take out a loan for the rest from his bank at a rate of 7.25% per annum over 2 years. Option2: Take the store payment plan of 12 monthly payments of...

*May 13, 2014*

**college chem**

125g MgSO4 • 7 H2O how many grams of anhydrous compound can be obtained

*May 13, 2014*

**chemistry**

Upon heating 125g MgSO4 • 7 H2O: a) how many grams of water can be obtained?

*May 13, 2014*

**chemistry**

How many moles of O2 are contained in 5025 L at 26 degrees Celsius and 1.2 atm

*April 29, 2014*

**Math**

What property is shown in the equation below? 6x0=0 a)zero property of multiplication b)inverse property of multiplication c)identity property of multiplication d)commutative property of multiplication

*April 1, 2014*

**Math**

-4,-1/4,4,1/4

*April 1, 2014*

**Math**

what value is equivalent to -1/4?

*April 1, 2014*

**Advance PC Applications**

Need help on Microsoft Access Graded Project 2013

*March 31, 2014*

**math**

if venom A is three times as potent as venom B and venom C is 2.2 times as potent B. How much more potent is venom C compared to venom A?

*March 11, 2014*

**math**

if four out of every seven individuals in a population of armadillos carry a gene for a defective enzyme, how many individuals carry the normal gene in a population of 869 armadillos?

*March 11, 2014*

**Super quick english question**

Which shows correct punctuation of a sentence with parentheses? Before I go to the grocery store (I’m going to the one on Burnet Street), tell me what you need. Before I go to the grocery store, (I’m going to the one on Burnet Street) tell me what you need. Before I ...

*December 14, 2013*

**algebra**

The sample size needed to estimate the difference between two population proportions to within a margin of error E with a confidence level of 1- alpha can be found by using the equation shown below. Replace n1 and n2 by n and solve for n. E= z alpha/2 square root p1q1/n1 + ...

*October 30, 2013*

**Physics**

Mario, a hockey player, is skating due south at a speed of 6.6 m/s relative to the ice. A teammate passes the puck to him. The puck has a speed of 12.9 m/s and is moving in a direction of 23° west of south, relative to the ice. What are the magnitude and direction (...

*October 9, 2013*

**mat**

To fill square that was 2 feet by 2 feet .what was the area of concrete poured?

*February 7, 2013*

**poetry**

not a damn thing

*January 23, 2013*

**Social Studies**

Can someone help me proofread this? Industrial Inventors The Industrial Revolution began in England in the 18th century and ended in the 19th century. It began in England and then spread throughout the world. There were many changes in agriculture, trade and transport during ...

*November 9, 2012*

**thermodynamics**

why(0.85/0.145) if mx/my = vy/vx...mx = my(0.145/0.85) i have that doubt

*September 17, 2012*

**math**

owen is 147.3 cm tall. what is owen's height as a mixed number. what is owen's height as an improper fraction.

*September 12, 2012*

**Science.**

=2.35x10^8

*August 21, 2012*

**5th Grade Math**

YOUR MAMA!!!!!!!!!!!!!!!!!

*February 27, 2012*

**physics**

A 0.75 kg mass of copper changes temperature from 145.0 C to 46.0 C. How much heat was exchanged in Joules? Did the heat flow into the copper or out of the copper?

*January 26, 2012*

**Mixed numbers and improper fractions**

yes

*January 25, 2012*

**math**

suppose you use the rule (3x+1,3y-4) to transform the original figure into a new figure. How would the angles of the new figure compare with the angles of the original? Please, I need help ASAP

*January 16, 2012*

**chemistry**

How much heat is needed to raise the temperature of 75 grams of copper from 35„aC to 57„aC? The specific heat of copper is 0.385 J/g „aC.

*December 7, 2011*

**chemistry**

How much heat is needed to raise the temperature of 75 grams of copper from 35„aC to 57„aC? The specific heat of copper is 0.385 J/g „aC.

*December 7, 2011*

**chemistry**

525K Thank you!

*November 25, 2011*

**chemistry**

A piston is used to compress a gas from 1.0 atm to 3.5 atm. If ther volume changes from 1.5L to 0.75L, what is the final temperature, if it started at 300k? 1050K 700K 525K 300K

*November 25, 2011*

**biology 1**

what kind of elecrtical charge is found on the oxygen atom of a polar water molecule

*October 28, 2011*

**English**

can you rewrite all of it for me. Please

*October 10, 2011*

**English**

thank you

*October 10, 2011*

**English**

can you give me some ideas on how to make it a narrative

*October 10, 2011*

**English**

Can some check my personal narrative and give a grade from 1-5? Mario Garcia 10-10-11 Period.3 The Lost Dog I didn’t feel like helping my sister wash my dad’s car. After our dog left this morning we were both sad, we didn’t feel like doing anything but to just ...

*October 10, 2011*

**Foreighn Languages**

What Language should I learn? Mandarin or French?

*October 3, 2011*

**English**

I ain't kidding

*October 3, 2011*

**English**

Will that's the problem because i can't think of a topic.

*October 3, 2011*

**English**

Can some help me with a topic to write a personal narrative?

*October 3, 2011*

**English**

what is the rhetorical strategy used in this parapgraph and what is the effect/function. Please quote the sentence of where the rhetorical strategy is used. Paragraph: If a Mongolian restaurant seems exotic to us in Evanston, Ill., it only follows that a McDonald's would ...

*September 25, 2011*

**sociology**

I am 9876543567898765435687654345678 years old!!!!!!!!!!!!!!!!!!!!!!!

*June 14, 2011*

**trigonometry**

In triangle xyz,sin x=5/13. Find the tan x?

*May 19, 2011*

**Algerbra**

3(y-3)=(x+6)squared how do you find the vertex and foci,directrix

*April 18, 2011*

**physics**

A speeder passes a parked police car at a constant speed of 150 m/s. At that instant, the police car starts from rest with a uniform acceleration of 10 m/s 2 . How much time passes before the speeder is overtaken by the police car? Answer in units of s

*February 17, 2011*

**math**

27 square feet

*January 12, 2011*

**Math and science**

If a circuit has a 3.9 k omega resistor and a 5 uF capacitor, find the current flow in the circuit at 0.005 seconds, if the maximum current flow in the circuit is 1.5 mA.

*November 1, 2010*

**Math and science**

If a circuit has a 3.9 k ohms resistor and a 5 uF capacitor, find the current flow in the circuit at 0.005 seconds, if the maximum current flow in the circuit is 1.5 mA.

*November 1, 2010*

**phys**

for a) w= 1/2 (m)(v^2) so just plug in the work that is given and the mass, and solve for v. for b) w=fd so f=w/d so plug in work and distance, convert as needed, and you're set. Hope I helped, even though I answered your question almost 3 years late!

*October 27, 2010*

**7th grade**

wat its prime number

*October 14, 2010*

**math**

80,ooo written as a product

*September 3, 2010*

**Maths**

Hi, I have a formula for modelling the variation in population density in terms of distance from a town centre; y= -3x^2 +6x+9 where y represents the population density (in thousands per km^2) and x represents the distance (in km) from the town centre I have already ...

*July 6, 2010*

**chemistry**

C2H5OH

*May 18, 2010*

**Algebra**

Could someone tell me why x = 0 and also x = 3 in the following equation? x^2-3x = 0 Thanks

*May 18, 2010*

**Chemistry**

Which of the following systems would be considered to be at equilibrium: I. an open flask with 2.0 mL of perfume II. a closed flask with 10 mL of water III. an open flask with 10 mL of water IV. a closed flask with an ice cube and 10 mL of water a. I d. b. I and II c.II and IV...

*March 12, 2010*

**Algebra 2**

How do you solve this problem: if f(x)=-x^2+2x-5, find f(-2)

*January 10, 2010*

**Physics**

A hollow sphere of radius 0.30 m, with rotational inertia I = 0.080 kg m2 about a line through its center of mass, rolls without slipping up a surface inclined at 19° to the horizontal. At a certain initial position, the sphere's total kinetic energy is 70 J. (a) How ...

*October 21, 2009*

**goverment**

when was the decleration of indinpendince sign plllzzz help

*October 13, 2009*

**4th grade**

what is another way of naming 541,000

*October 7, 2009*

**4th grade**

what is another way of naming 541,000

*October 7, 2009*

**Physics**

A 290 g block is dropped onto a relaxed vertical spring that has a spring constant of k = 2.6 N/cm. The block becomes attached to the spring and compresses the spring 10 cm before momentarily stopping. (a) While the spring is being compressed, what work is done on the block by...

*October 5, 2009*

**Physics**

A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0 m, 4.4 m) while a constant force acts on it. The force has magnitude 2.3 N and is directed at a counterclockwise angle of 100° from the positive ...

*October 1, 2009*

**Physics**

A student wants to determine the coefficients of static friction and kinetic friction between a box and a plank. She places the box on the plank and gradually raises one end of the plank. When the angle of inclination with the horizontal reaches 30°, the box starts to slip...

*October 1, 2009*

**Science**

What is the term for the number of times a wave passes a point in given amount of time

*September 27, 2009*

**MATH**

how do you factor x^6+512?

*September 13, 2009*

**business statistics**

406

*August 1, 2009*

**Government Studies**

How long do you need to train to join the military (minimum)? I'm not talking about West Point or prestigious schools, just basic training needed for combat. thanks

*April 9, 2009*

**Math**

what is the full number of pie?

*March 10, 2009*

**Algebra**

For the exponential function ex and logarithmic function log x, graphically show the effect if x is doubled. I am having trouble figuring out my points to plot on the graph.

*February 16, 2009*

**Algebra**

A cell divides into two identical copies every 4 minutes. How many cells will exist after 5 hours? I know the answer is 2^75=3.77789x10^22 but I am unsure how 2^75 turns into 3.77789x10^22. Any help would be greatly appreciated.

*February 14, 2009*

**Algebra**

The level of thorium in a sample decreases by a factor of one-half every 2 million years. A meteorite is discovered to have only 8.6% of its original thorium remaining. How old is the meteorite?

*February 11, 2009*

**Algebra pizzzz**

Keep your day job.

*February 4, 2009*

**history**

who was the 3 priesident of th u.s

*January 20, 2009*

**novel**

In The Call of the Wild, the bond between Buck and Thornton is best explained by observing that

*December 10, 2008*

**Busines**

What happens to your stock when a company goes out of business? ---You just lose out on the entire investment?

*September 16, 2008*

**Business**

Is it possible to buy stock without going through a stock exchange?

*September 16, 2008*

**Managerial Economics- need help**

Basic Estimating - Week 2 A security analyst specializing in the stocks of the motion picture industry the relation between the number of movie theater tickets sold in December and the annual level of earnings in the motion picture industry. Time-series data for the last 15 ...

*July 16, 2008*

**Sociology**

What is cyberspace interaction? How does it differ from face-to-face interaction?

*June 10, 2008*

**the novel**

In The Call of the Wild, the bond between Buck and Thornton is best explained by observing that

*February 20, 2008*

**Math**

how do u find the area and circumference of a circle if the radius is 2.5 ?

*February 12, 2008*

**Math**

how do you find the cirumference and area of a circle if the radius is 4.5?

*February 11, 2008*

**Chemisty**

i think it is your mom

*February 11, 2008*

**algebra**

(2b^3-5b^2+3ab)(-3b^2)

*February 6, 2008*

**english**

can some 1 help me find a good site about contractions this crap is hard Check this site. http://www.mcwdn.org/contract/contract.html Mario... this is an excellent site on English grammar contractions. http://esl.about.com/library/grammar/blgr_contractions.htm

*July 26, 2007*

**english**

what is the plural form of turkey. i think it is turkie am i right can somebody help me If you look up the word in a hard copy dictionary (as I did), you would find that the plural is turkeys. Looking it up yourself will get you similar answers more quickly. I holpe this helps...

*July 25, 2007*

**english**

the guide words at the top of the two dictionary pages are exploratory and exuberant which word would not be found between these guide words a-express b-external c-extrude d-exactly Which word do you think does not come between expl- and exub? If you post your answer, we'...

*July 24, 2007*

**word histories**

which would measure more water,a "bath" or a "gallon" see the section on capacities: http://scriptures.lds.org/en/bd/w/7

*July 18, 2007*

**math**

slove for y y-(-3)=(x-(-3)) Get rid of the () y+3=x+3 subtract three from each side. y=x

*May 21, 2007*

**math**

drama club sold adult tickets for $8 and kid tickets for $5. for the final performance a total of 226 tickets were sold for a total of $1670. how many adult tickets were sold for the performance? X = # of adult tickets Y = # of kid tickets X + Y = 226 8X + 5Y = 1670 Solve ...

*March 28, 2007*

**math**

1000 tickets for prizes are sold for $2 each. Seven prizes will be awarded – one for $400, one for $200, and five for $50. Steven purchases one of the tickets. a) Find the expected value b) Find the fair price of the ticket. The expected value= 950/2000

*March 25, 2007*

**information literacy**

What year was the oldest copy of Ralph Ellison’s Going to the Territory published?

*March 6, 2007*

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