# Posts by mario

Total # Posts: 107

us history
connections between nations, whether political or economics, encourages

Math
How does RJ eat more than Jack when RJ ate 5/5 and Jack ate 9/10? Explain.

math
how much border do I need for a rectangular room that is 10 feet by 15 feet to cover the entire room?

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?

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

Math
Why wouldn't x=4

math
need help in math at my house

math
I need help for my homework

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

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.

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 ...

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

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?

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?

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

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...

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

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

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

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

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

Math
what value is equivalent to -1/4?

Need help on Microsoft Access Graded Project 2013

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?

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?

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 ...

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 + ...

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 (...

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

poetry
not a damn thing

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 ...

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

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.

Science.
=2.35x10^8

physics
The distance across four waves is 75 cm, therefore, ? = 18.75 cm ?d = 25 cm ?t = 3.0 s f =? v = ?d ?t = 25 cm 3.0 s = 8.333 cm/s v = f? f = v ? = 8.333 cm/s 18.75 cm = 0.4444 s?1 = 0.4444 Hz

physics
Bless! Thank you.

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?

Math 543
56

Math 543
56

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

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.

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.

chemistry
525K Thank you!

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

biology 1
what kind of elecrtical charge is found on the oxygen atom of a polar water molecule

English
can you rewrite all of it for me. Please

English
thank you

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

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 ...

Foreighn Languages
What Language should I learn? Mandarin or French?

English
I ain't kidding

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

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

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 ...

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

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

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

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

math
27 square feet

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.

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.

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!

wat its prime number

math
80,ooo written as a product

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 ...

chemistry
C2H5OH

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

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...

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

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 ...

goverment
when was the decleration of indinpendince sign plllzzz help

what is another way of naming 541,000

what is another way of naming 541,000

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...

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 ...

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...

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

MATH
how do you factor x^6+512?

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

Math
what is the full number of pie?

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.

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.

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?

Algebra pizzzz
Keep your day job.

history
who was the 3 priesident of th u.s

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

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

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

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 ...

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

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

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

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

Chemisty
i think it is your mom

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

physics
idk

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

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