Saturday

July 26, 2014

July 26, 2014

Total # Posts: 91

**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?

**Advance PC Applications**

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 + p2q...

**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 (relativ...

**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 t...

**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

**biology**

B

**5th Grade Math**

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

**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?

**Mixed numbers and improper fractions**

yes

**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 s...

**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 s...

**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

**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!

**7th grade**

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 constructe...

**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 m...

**goverment**

when was the decleration of indinpendince sign plllzzz help

**4th grade**

what is another way of naming 541,000

**4th grade**

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 d...

**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?

**Business**

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 ye...

**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)

**algebra**

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

**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

**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...

**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'l...

**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

**math**

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

**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 thos...

**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

**information literacy**

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

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