Saturday

February 28, 2015

February 28, 2015

Total # Posts: 52

**Chemistry**

Write a balanced formula equation with phase indicators: Strong heating of copper(II) nitrate trihydrate produces copper (II) oxide, nitrogen dioxide, oxygen gas, and water (The part I'm confused about is how to write the molecular formula for copper (II) nitrate ...
*November 16, 2014*

**Math**

Factors are numbers that when multiplied by each other, make the target number (in this case 16). Therefore the factors or 16 are: 1, 2, 4, 8, 16 This is because 1x16=16 2x8=16 4x4=16
*November 16, 2014*

**Algebra 2**

A player throws a ball up and toward a wall that is 17 feet high. The height h in feet of the ball after t seconds after it leaves the player's hand is modeled by h=-16t^2+25t+6. If the ball makes it to where the wall is, will it go over the wall or hit the wall? Find the ...
*November 1, 2014*

**Science**

An object has a KE of 83.5 J, and a speed of 27.3 m/s. What is the object’s mass?
*October 14, 2014*

**Math**

If I spend 2/3 of my allowance on CDs and 1/6 on DVDs how much did I save
*April 27, 2014*

**Math (algebra)**

Could you help me with this math question: A can in the shape of a right circular cylinder is required to have a volume of 500 cubic centimeters. The top and bottom are made of material that costs 11 cents per square centimeter, while the sides are made of a material that ...
*March 19, 2014*

**math**

The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents a group with a median grade below 65?
*March 17, 2014*

**math**

Marco has 3/4 pint of hot chocolate He is pouring it into cups that each hold 3/8 pint. How many cups can he fill
*February 27, 2014*

**Environmental Science**

In order to have positive or negative environmental impacts included in the GDP countries must place value on natural capital. Identify and describe one way to estimate the non-use value of natural capital.
*February 26, 2014*

**Warren**

To treat a burn on your hand, you decide to place an ice cube on the burned skin. The mass of the ice cube is 13.2 g, and its initial temperature is -11.9 °C. The water resulting from the melted ice reaches the temperature of your skin, 30.0 °C. How much heat is ...
*November 20, 2013*

**Physics**

A block accelerates at 3.2 m/s down a plane inclined at an angle 28.0◦ Find µk between the block and the inclined plane. The acceleration of gravity is 9.8 m/s2.
*November 13, 2013*

**math**

there are 40 pupils in a class. each girl is given 5 books and each boy is given 4 books.the girls have 65 more books than the boys. how many more girls than boys are there in the class?
*June 13, 2013*

**physics 11**

a 4.00kg object traveling westward at 25.0m/s hits a 15.0kg object at rest. the 4.00kg object bounces eastward at 8.00m/s. what is the speed and direction of the 15.0kg object?
*May 15, 2013*

**English Language Arts**

Give examples of three transitional expression.
*April 11, 2013*

**Algebra**

a b
*April 4, 2013*

**Math**

What even number has a 7 in the hundreds place, and odd number in the thousands place ?
*February 27, 2013*

**geometry**

A moving point is always equidistant from (-3,2) and the line 2x-y+2=0. What is the equation of its locus? I need help for this problem because I am not very sure of my answer. Thanks in advance.
*January 7, 2013*

**Physics**

An airplane is flying in a horizontal circle at a speed of 106 m/s. The 81.0 kg pilot does not want the centripetal acceleration to exceed 6.16 times free-fall acceleration. Find the minimum radius of the plane’s path. The acceleration due to gravity is 9.81 m/s2. Answer ...
*November 13, 2012*

**math**

whatis the unit price of 40 ounces for $12
*October 21, 2012*

**physics**

how long will it take a 1750-watts motor to a lift a 285-kg piano to a sixth storey window 1.6 meters above
*October 5, 2012*

**math**

28 miles downstream in 2 hours 12 miles upstream in 3 hours what would the be speed in still water
*September 24, 2012*

**Lang. Arts**

is 8 c
*September 13, 2012*

**social studies**

unscramble the country with these letters SDETTAIETNSU
*August 22, 2012*

**Physics**

How much energy is required to move a 900 kg object from the Earth's surface to an altitude twice the Earth's radius?
*June 17, 2012*

**Physics**

How much energy is required to move a 900 kg object from the Earth's surface to an altitude twice the Earth's radius?
*June 17, 2012*

**p.e.**

help me with my homework
*February 21, 2012*

**Math**

thank you so much but the answer is 11
*February 16, 2012*

**physics**

an atv with a velocity of 22m/s is accelerated uniformly at the rate of 2m/s squared for 5s. What is it's finaly velocity?
*November 8, 2011*

**physics**

a rock is dropped off a cliff. after 4s, what is the rocks velocity? how far did the rock fall?
*November 8, 2011*

**physics**

if a todler is moving at 15m/s and covering a distance of 1900m. how much time does it take to cover this distnace?
*November 8, 2011*

**physics**

if a todler is moving at 15m/s and covering a distance of 1900m. how much time does it take to cover this distnace?
*November 8, 2011*

**algebra**

negative five divided by negative three minus two times negative one third minus twenty one divided by seven
*November 8, 2011*

**physics**

if a todler is moving at 15m/s and covering a distance of 1900m. how much time does it take to cover this distnace?
*November 8, 2011*

**latin**

i having trouble with placing latin numbers in their correct blanks, totally confused & need help.
*September 6, 2011*

**physics**

A school bus takes 0.8 h to reach the school from your house. If the average velocity of the bus is 16.1 km/h to the east, what is the displacement?
*August 30, 2011*

**math**

the area of a rectangle is 100 square inches. The perimeter of the rectangles is 40 inches. A SECOND RECTANGLE HAS THE SAME AREA BUT A DIFFERENT PERIMETER. IS THE SECOND RECTANGLE A SQUARE ? EXPLAIN WHY OR WHY NOT
*April 13, 2011*

**Chemistry**

"What volume of reduced soy sauce (575 mg Na/15 mL) would be predicted to require 25.00 mL of 1.0 M AgNO3 for titration assuming all the sodium is derived from NaCl? A.W. Na= 23
*January 21, 2011*

**social studies**

is the 4th july a-freedom b-fireworks c-work d-sports
*January 3, 2011*

**Biology **

List and describe the steps involved when a gene in person's genotype is expressed to create a biochemical or physical characteristics that is a part of the persons phenotype.
*January 1, 2011*

**Physics**

Three children are trying to balance on a seesaw, which consists of a fulcrum rock, acting as a pivot at the center, and a very light board 6.0 long . Two playmates are already on either end. Boy A has a mass of 50 , and girl B a mass of 35 . Where should girl C, whose mass is...
*November 18, 2010*

**3rd grade**

what is the value of the digit 4 in 841
*October 10, 2010*

**math**

if 15 students perfer strawberry ice cream, how many students are in norman's class
*October 6, 2010*

** Re Gurublue**

thankyou GuruBlue for your help
*March 14, 2009*

**religious education - Re teachers**

I need to write an essay about baptism in different churches. please could someone help find a website that explains it simply. I was off school sick after having an operation when we did most of the work and missed alot of the information I need. thankyou for helping
*March 14, 2009*

**World Cultures**

In my Italy report, I'd like to explain about a form of Italian folk dancing that I have heard about. However, I do not know how to spell it. It is pronounced vi-vach-ee, and I tried googling vivace and vivacci, as well as vivaci, and I found no related results. Does ...
*March 6, 2009*

**science**

Where in nature could you find a source of energy just like batteries
*February 19, 2009*

**science**

what speed is calculated as total distance traveled divided by travel time?
*January 10, 2009*

**french**

Bonjour, J'mapelle Harry White et j'ai douze ans. J'habite à Buckingham. J'ai deux chiens et cinq chats. might want to check my spelling though hope this helps
*October 5, 2008*

**ALG 2/Trig**

A new $12,000 automobile decreases in value every year. What is it's value 7 years from now?
*January 12, 2008*

**Math**

wow that looks pretty hard i really dont know about that one! good luck!
*September 23, 2007*

**math**

what do we call the numbers that cannot be arranged into 2-row arrays?
*September 11, 2007*

**science**

i need awebsite for middle schoolers all about plant population density (overcrowded plants) Check out these sites. http://extension.oregonstate.edu/catalog/html/grow/grow/disease.html http://www.extension.umn.edu/yardandgarden/ygbriefs/h140perennialdivide.html
*March 22, 2007*

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