mario
Most popular questions and responses by mario
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
asked on October 9, 2013 
language arts
how many syllables are in each line of the poem “silkweed” by philip henry savage? a. 4 b. 6 c. 8 d. 10
asked on March 6, 2018 
chemistry
Upon heating 125g MgSO4 • 7 H2O: a) how many grams of water can be obtained?
asked on May 13, 2014 
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°
asked on 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
asked on October 1, 2009 
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
asked on November 9, 2012 
college chem
125g MgSO4 • 7 H2O how many grams of anhydrous compound can be obtained
asked on May 13, 2014 
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
asked on October 5, 2009 
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
asked on April 1, 2014 
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.
asked on March 12, 2010 
Chemistry
How many grams of oxygen can be produced from 165 grams of Na3PO4?
asked on December 8, 2018 
science
A 1200 kg sports car accelerates from 0 to 60.0 mph (27.0 m/s) in 5.20 seconds. What is the average power developed in watts? In kilowatts?
asked on January 24, 2018 
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
asked on August 26, 2015 
Math
I’m hotel clerk counts his one dollar bills and $10 bills at the end of the day he finds that he has a total of 59 bills having a combined monetary value of $185 find the number of bills and each denomination that he has
asked on October 3, 2019 
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?
asked on September 8, 2014 
Math
The ratio of weekend days to weekdays is 2 to 5. What fraction of the week consists of weekend days?
asked on November 9, 2016 
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?
asked on September 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
asked on July 14, 2014 
Advance PC Applications
Need help on Microsoft Access Graded Project 2013
asked on March 31, 2014 
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
asked on October 21, 2009 
us history
connections between nations, whether political or economics, encourages
asked on October 26, 2017 
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
asked on May 13, 2014 
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.
asked on September 12, 2012 
biology 1
what kind of elecrtical charge is found on the oxygen atom of a polar water molecule
asked on October 28, 2011 
math
a bag contains 6 red checkers and 4 black checkers.joani will select 2 checkers and wants hey probability of success to be 1/3.which outcomes would give that probability?
asked on March 25, 2018 
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?
asked on January 26, 2012 
math
suppose you use the rule (3x+1,3y4) 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
asked on January 16, 2012 
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
asked on November 25, 2011 
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
asked on July 25, 2007 
math
how much border do I need for a rectangular room that is 10 feet by 15 feet to cover the entire room?
asked on January 6, 2017 
trigonometry
In triangle xyz,sin x=5/13. Find the tan x?
asked on May 19, 2011 
Science
What is the term for the number of times a wave passes a point in given amount of time
asked on September 27, 2009 
novel
In The Call of the Wild, the bond between Buck and Thornton is best explained by observing that
asked on December 10, 2008 
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 +
asked on March 28, 2007 
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?
asked on December 1, 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.
asked on February 16, 2016 
4th grade
what is another way of naming 541,000
asked on October 7, 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.
asked on February 16, 2009 
math
which value for x makes the equation true x6=3(x5/2)+1
asked on March 25, 2018 
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.
asked on December 7, 2011 
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
asked on July 6, 2010 
Algebra
Could someone tell me why x = 0 and also x = 3 in the following equation? x^23x = 0 Thanks
asked on May 18, 2010 
English
Can some help me with a topic to write a personal narrative?
asked on 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
asked on September 25, 2011 
Algebra 2
How do you solve this problem: if f(x)=x^2+2x5, find f(2)
asked on January 10, 2010 
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
asked on July 18, 2007 
math
I need help for my homework
asked on October 3, 2016 
Algebra
where is the following expression in undefined?? (x+1)(x2)/x^225
asked on May 16, 2016 
chemistry
How many moles of O2 are contained in 5025 L at 26 degrees Celsius and 1.2 atm
asked on April 29, 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?
asked on March 11, 2014 
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
asked on October 30, 2013 
Algerbra
3(y3)=(x+6)squared how do you find the vertex and foci,directrix
asked on April 18, 2011 
MATH
how do you factor x^6+512?
asked on September 13, 2009 
Math
what is the full number of pie?
asked on March 10, 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.
asked on February 14, 2009 
Algebra
The level of thorium in a sample decreases by a factor of onehalf every 2 million years. A meteorite is discovered to have only 8.6% of its original thorium remaining. How old is the meteorite?
asked on February 11, 2009 
Sociology
What is cyberspace interaction? How does it differ from facetoface interaction?
asked on June 10, 2008 
Math
how do u find the area and circumference of a circle if the radius is 2.5 ?
asked on February 12, 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.
asked on July 26, 2007 
Math
How does RJ eat more than Jack when RJ ate 5/5 and Jack ate 9/10? Explain.
asked on January 31, 2017 
math
What is the perimeter of a rectangle that has a area of 35 in to the square root of 2
asked on October 15, 2014 
mat
To fill square that was 2 feet by 2 feet .what was the area of concrete poured?
asked on February 7, 2013 
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.
asked on December 7, 2011 
English
Can some check my personal narrative and give a grade from 15? Mario Garcia 101011 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
asked on October 10, 2011 
Foreighn Languages
What Language should I learn? Mandarin or French?
asked on October 3, 2011 
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.
asked on November 1, 2010 
7th grade
wat its prime number
asked on October 14, 2010 
goverment
when was the decleration of indinpendince sign plllzzz help
asked on October 13, 2009 
4th grade
what is another way of naming 541,000
asked on October 7, 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
asked on April 9, 2009 
Busines
What happens to your stock when a company goes out of business? You just lose out on the entire investment?
asked on September 16, 2008 
Business
Is it possible to buy stock without going through a stock exchange?
asked on September 16, 2008 
Math
how do you find the cirumference and area of a circle if the radius is 4.5?
asked on February 11, 2008 
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 aexpress bexternal cextrude dexactly Which word do you think does not come between expl and exub? If you post
asked on July 24, 2007 
Math
what value is equivalent to 1/4?
asked on April 1, 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?
asked on March 11, 2014 
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.
asked on November 1, 2010 
history
who was the 3 priesident of th u.s
asked on January 20, 2009 
math
slove for y y(3)=(x(3)) Get rid of the () y+3=x+3 subtract three from each side. y=x
asked on May 21, 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
asked on March 25, 2007

statistics
How do you get 1.96
posted on November 7, 2019 
math
My 2nd grader a 7yr old and I did these tonight and this was probably the weirdest homework he's ever brought home. Had to look online to try to explain it to him but hard when even I couldn't figure it out at 1st.
posted on August 22, 2019 
Math
B 12,24,36,48
posted on July 23, 2019 
algebra
Carl wheezer what’s the answer ? Please :(
posted on May 15, 2019 
Sixth Grade Math
Uhh, I don't have it.
posted on February 22, 2019 
math
your dad
posted on December 14, 2018 
physics
lol u put 12m/s instead of 22m/s
posted on October 3, 2018 
Social Studies
jeffy stoppit!
posted on April 30, 2018 
language arts
so is it c?
posted on March 6, 2018 
physics
The distance across four waves is 75 cm, therefore, λ = 18.75 cm Δd = 25 cm Δt = 3.0 s f =? v = Δd Δt = 25 cm 3.0 s = 8.333 cm/s v = fλ f = v λ = 8.333 cm/s 18.75 cm = 0.4444 s−1 = 0.4444 Hz
posted on October 18, 2017 
Math
Why wouldn't x=4
posted on September 10, 2017 
physics
Bless! Thank you.
posted on January 17, 2017 
math
need help in math at my house
posted on October 3, 2016 
physics
idk
posted on September 29, 2016 
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
posted on September 18, 2014 
math
27 square feet
posted on May 31, 2014 
poetry
not a damn thing
posted on April 14, 2014 
Math
4,1/4,4,1/4
posted on April 1, 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
posted on February 27, 2014 
Science.
=2.35x10^8
posted on September 23, 2013