Saturday
December 3, 2016

# Posts by mario

Total # Posts: 101

Math
on a field trip, 3 school buses were used to transport children. each school bus carried 64 children. how many children rode a bus on the field trip?
December 1, 2016

Math
The ratio of weekend days to weekdays is 2 to 5. What fraction of the week consists of weekend days?
November 9, 2016

math
need help in math at my house
October 3, 2016

math
I need help for my homework
October 3, 2016

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

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

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

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

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

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

what is another way of naming 541,000
October 7, 2009

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

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
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

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

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