Friday

July 1, 2016
Total # Posts: 184

**Chemistry**

Consider the following unbalanced reaction. P4(s) + F2(g) PF3(g) What mass of F2 is needed to produce 212 g of PF3 if the reaction has a 84.2% yield?
*October 10, 2011*

**mesqite high school**

Is this sentence punctuated correctly? The oil from Eucalyptus trees which are native, to Australia is known for its medicinal properties
*September 30, 2011*

**geometry**

if the measure of angle 1 is 6n+1 and of angle 4 is 4n+19 what is the measure of angle 2 ?
*June 9, 2011*

**stats**

In a gallup poll of 1,038 adults, 540 saif that second hand smoke is very harmful. What is the percentage of adults who said second hand smoke is very harmful?
*May 10, 2011*

**english **

The oil from Eucalyptus trees which are native, to Australia is known for its medicinal properties
*May 9, 2011*

**History**

What were the 5 steps in Indiana becoming a state
*May 1, 2011*

**Physics**

a 1.75kg pistol lies at rest on an essentially frictionless bench. it accidentally fires and shoots a 25 gram bullet parallel to the bench. How far has the bullet moved by the time the gun has recoiled 2.60mm?
*April 25, 2011*

**Physics**

a carton of eggs sits on the horizontal seat of a car as the car rounds a 26 meter radius bend at 16.5m/s. what is the minimum coefficient of friction that must exist between the carton and the seat if the eggs are not to slip?
*April 25, 2011*

**Physics**

a 800 gram ball at the end of a cord is whirled in an almost horizontal circle of radius 1.50 meters. its tangential speed in the circle is 10 meters per second. What must be the tension in the cord? What angle does the cord make with the horizontal?
*April 25, 2011*

**math**

Hector owns science fiction novels, coming c books, and mystery novels. He has half as many science fiction novels as comic books and he has three times as many mystery novels as comic books. If he owns a totals of 54 books how many of those book are science friction novels?
*April 17, 2011*

**Physics**

a small body of mass m revolving in a horizontal circle with velocity V of a constant magnitude at the end of a cord of length L. As the body swings around its path, the cord sweeps over the surface of a cone. The cord makes an angle è with the vertical, so the radius ...
*February 16, 2011*

**Physics**

A pendulum oscillates at a frequency of 2 cycles per second. At t = 0 it is released starting at an angle of 20°C. Ignoring friction what will be the position (angle) of the pendulum at a. t = 0.25 sec b. t = 1.6 sec c. t = 5.0 sec
*February 16, 2011*

**physics**

what is the maximum acceleration equation?
*January 17, 2011*

**physics**

Consider the 45 N weight held by two cables shown below. The left-hand cable is horizon- tal. a) What is the tension in the cable slanted at an angle of 50? Answer in units of N. 007 (part 2 of 2) 10.0 points b)What is the tension in the horizontal cable?
*January 17, 2011*

**physics**

A block weighing 6.8 N requires a force of 2.9 N to push it along at constant velocity. What is the coefficient of friction for the surface?
*January 17, 2011*

**English**

transitive
*January 3, 2011*

**Physics **

A model rocket builder has constructed a rocket of total mass of 1.0kg. The rocket must achieve a speed of 300m/s 5seconds after vertically leaving the launch pad. A) What acceleration and net force is required? B) What thrust must the motor have to achieve this? Thank you!
*November 8, 2010*

**science**

name two ways mountains can effect the climate of an area
*November 3, 2010*

**Physics 11**

How much would a 80kg astronaut weigh on Earth? How much would they weigh 500 km above the surface of the Earth? Thank you!
*November 1, 2010*

**Science**

A revolutionary war cannon, with a mass of 2170 kg, fires a 18.1 kg ball horizontally. The cannonball has a speed of 146 m/s after it has left the barrel. The cannon carriage is on a flat platform and is free to roll horizontally. What is the speed of the cannon immedi- ately ...
*October 18, 2010*

**math**

one of the equal sides of an isoceles triangle is 3m less than twice its base. The perimeter is 44m. Find the length of the sides. The teacher gave us the answer of 17m for the two sides and 10 for the base. What formula did he use to find this.
*October 13, 2010*

**Physics**

An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.9 s. A passenger in the elevator is holding a 5.3 kg bundle at the end of a vertical cord. The acceleration of gravity is 9.8 m/s2 . What is the tension in the cord as the elevator ...
*September 19, 2010*

**physics**

Consider the 692 N weight held by two cables shown below. The left-hand cable had tension T and makes an angle of θ with the wall. The right-hand cable had tension 760 N and makes an angle of 40◦ with the ceiling. a) What is the tension T in the left-hand cable ...
*September 19, 2010*

**alegbra**

5x-4y=-18
*June 27, 2010*

**ALG II - Probability**

Owners of a restaurant advertise that they offer 1,114,095 diff lunches based on the fact that they have 16 “free fixins” to go along with any of their 17 menu items (sandwiches, hot dogs, and salads). How did they arrive at that number?
*May 18, 2010*

**Physics- Lenses**

A planoconvex lens is to have a focal length of 28.5 cm. If made from fused quartz, what must be the radius of curvature of the convex surface?
*May 18, 2010*

**physics**

An object with a height of 42 cm is placed 1.6 m in front of a concave mirror with a focal length of 0.45 m. Find the location and magnification of the image produced by the mirror, using the mirror and magnification equations.
*May 17, 2010*

**really?**

no not at all
*April 27, 2010*

**HELP!!!!!! ASAP**

HElp!!!!!!!!!!!!!!!Asap
*April 27, 2010*

**HELP!!!!!! ASAP**

which function below if either has zeros that are complex conjugates? P(x)=x^4-7x^3-27x^2+63x+81 H(x)=x^4-x^2+25x-25
*April 27, 2010*

**HELP!!!!!! ASAP**

what does it mean when two of the zeros of a polynomial function are complex conjugates?
*April 27, 2010*

**algebra two**

what do you mean
*April 27, 2010*

**algebra two**

which function below, if either, has zeros that are complex conjugates? P(x)= X^4-7x^3-27x^2+63x+81 H(x)=x^3-x^2+25x-25
*April 27, 2010*

**algebra two**

what does it mean when two of the zeros of a polynomial function are complex conjugates?
*April 27, 2010*

**math**

i have 5 coins,a penny,nickel,dime,quarter and loonie. how many different amounts of money can i pay using any combination of the coins?
*March 31, 2010*

**math**

a jar has 11 red, 16 violet, 6 green and 25 gray marbles. find p (green)
*March 9, 2010*

**math**

To Keep His Wigwam
*March 2, 2010*

**social studies**

Tallahassee
*February 22, 2010*

**Geography**

What is the capital of Bulgaria?, and what is Bulgaria's most populated city?
*February 22, 2010*

**Math**

What do you mean?
*February 12, 2010*

**Math**

A homeowner designs a rectangular garden such that the length is 20 feet more than twice the width. If 310 feet of picket fencing are to be used, find the length and width of the garden.
*February 12, 2010*

**Math**

I don't understand this equation that you have here?
*February 12, 2010*

**Math**

In a special local election, one candidate received 288 votes less than twice the number of votes of the opponent. How many votes did each candidate receive if the total number of votes in the election is 136,395?
*February 12, 2010*

**Math**

During and art contest at my school, me and a classmate each won blue ribbons for 1/3 of the pieces you entered in the contest. You won 2 blue ribbons and my classmate won 3 blue ribbons. Explain how this could be?
*February 8, 2010*

**Math**

Rosa invested $8000 for one year, part ast 8% annual interest and the balance at 10% annual interest. Her total interest for the year was $700. How much money did she invest at each rate?
*October 22, 2009*

**chemistry**

The mass of a golf ball is 45.9 . If it leaves the tee with a speed of 80.0 , what is its corresponding wavelength?
*October 21, 2009*

**College Physics**

More like Junior year of high school physics, this identical problem is in my textbook from last year.
*September 23, 2009*

**algebra**

hi was up
*July 7, 2009*

**math**

Directions: Determine if the given lengths in each problem can form a triangle. 1. 7in. , 3in. , 10in.
*January 15, 2009*

**Geometry**

How do you find the center of an equilateral triange?
*January 1, 2009*

**math**

3x+5y= -11 x-2y= 11
*December 6, 2008*

**math**

solve: 3x+5y= -11 x-2y=11
*December 6, 2008*

**Language Arts**

What is the root word of "solitary"?
*November 18, 2008*

**math plzz help due tomorow**

what is the lowest number that is greater than 1000 and divisible by 2,3 and 6, but not by 5,9, and 10.
*November 4, 2008*

**math**

does any animal have more than 9 years to live
*October 28, 2008*

**5th grade**

what was cattle ranching in the 1800's?
*October 27, 2008*

**Chem**

what effects on Ph and the Ka value does the hydration of an acid have? For example H2SO4 versus H2SO4*H2O
*October 23, 2008*

**Pre-algerbra**

Ok, It is riddle. Jack is married to Jill. There son wants to know their age. Jack says,"if you reverse the digits in my age, you get your mother's. Jill said" The sum of my age is your dad's age equal to 11 times the difference in oour ages. Remember that I ...
*September 4, 2008*

**Science**

What are adult cardinals able to do that baby cardinals are unable to do? -Fly --Make Noise ---Breathe air ----sleep
*May 14, 2008*

**social studies**

who controls the flow of fresh water in miami dade county?
*November 27, 2007*

**Resume help**

Thank you for your help
*October 28, 2007*

**Resume help**

Some thing to where I will be interacting with nurses and patients. I know that is almost everything but maybe a candystriper to start.
*October 28, 2007*

**Resume help**

I really do not find many cake decorating positions needing a resume so I went with what I am studying in school. Is this ok? Career Objective: To assist the sick as a registered nurse. I would also like to become a traveling nurse at some time to. I am going to school to ...
*October 28, 2007*

**Writing/English**

So sorry...what if you do not have experience in a field but are studying to be in it. I could state everything I have done but no background... should I explain that in the resume?
*October 28, 2007*

**Writing/English**

I did the one place is closed down. Can I ask one more question... Is a cover letter the same as a job application letter...I am new at this stuff. Sorry if I am buggin you.
*October 28, 2007*

**Writing/English**

I have another one but it looks so much like this one. Little differences.
*October 28, 2007*

**Writing/English**

Thank you for your help. I was also wondering if this could be used as both hardcopy and softcopy resumes?
*October 28, 2007*

**Writing/English**

I was wondering if someone could look my softcopy resume over. Is this good for a softcopy? Thanks for the help! :) Name Address Cake Decorator I started training to be a decorator in 2003. I became a part time decorator about a year later in 2004. Now in 2007 I am a full time...
*October 28, 2007*

**Writing/English**

Career Objective Until I finish my schooling I enjoy working as a cake decorator. I have been doing it for almost 3 years now. I would like to stay with this line of work for a while, I would like to learn so much more to become a better decorator. Experience Cake Decorator I ...
*October 28, 2007*

**Writing/English**

Name Address Cake Decorator I started training to be a decorator in 2003. I became a part time decorator about a year later in 2004. Now in 2007 I am a full time decorator. Other Bakery/Deli experience I also know how to bake pies, work a meat-slicer, work in a fast past ...
*October 28, 2007*

**Writing/English**

opps sorry I will try again
*October 28, 2007*

**Writing/English**

I was wondering if someone could look over this softcopy resume Nicole Medina Campus Address Permanent Address Education [Click here and state your degree earned, year graduated, school attended] Courses Related to Major: Cake Decorator I started training to be a decorator in ...
*October 28, 2007*

**the word environmental science**

can Someone put environmental science in a sentence. like bob studyied environmental science. but i dont know what it means to well soihave to be spacific. can u help me?
*September 13, 2007*

**Math (Intergers)**

x-15=-2 what is x -13 or17
*September 12, 2007*

**algebra**

Sorry i hit submit to quick. my question is that i have to determine the relationship of these and express them using variables input output 12 16 16 19 20 22 24 25 26 26.5 I relize that the last one is .5 more then 1,2,3 and 4 not sure how to express this?
*August 28, 2007*

**Algebra**

I have to determine the relationships os these numbers and express them using variables. Input Output 12
*August 28, 2007*

**eco**

inflation is a decrease in the value of the money supplie. Like the Federal Resevere printing money.
*July 8, 2007*

**social studies**

no
*March 21, 2007*

**math**

What polygon has 20 diagonals?I don't know how to figur this out. THANKS!!!! A rectangle (4 sides) has 2 diagonals. A hexagon (6 sides) has 3 diagonals. An octagon (8 sides) has 4 diagonals. A _____ (20 sides) has 20 diagonals.
*January 30, 2007*

**science**

i am doing a science project comparing human and animal fingerprints. I can't seem to find out if cats and dogs have identifyiable fingerprints. does anyone know? thanks http://www.wonderquest.com/Fingerprints.htm thanks lance. that helped!
*January 23, 2007*

**local and state gov.**

someone plz i really need help plz i cant find it in my text so someone plz!!! For a democracy right??? search google: branches of Government Click Bens Guide to Government for kids (1st or 2nd link) Then when you get there select your grade level in the ballon... This shows ...
*November 12, 2006*

**American History**

I need help finding the powers and services of local and state governments States have constitutions that enumerate their powers (I'm not sure about services!). http://www.constitution.org/cons/usstcons.htm More local governments can be counties or cities or townships. ...
*November 12, 2006*

**word unscramble**

tcnaio
*September 28, 2006*