Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 223

**chemistry**

how many grams of CH4 (methane) must be burned to form 82.6g of H2O? equation: CH4+O2----> CO2+H2O

**finance**

what is the interest charge with 10.90% APR (annual percentage rate) on a balance of $7100.00

**Math**

2A/B DIVIDED BY 4A/B F. 8A2/b2 G. 1/2 H. A/2B J. 2

**Math**

Can u freaking help me the ****

**Math**

Identify all sets to which the number 3 belongs A. Whole numbers, integers, rational numbers B. Rational numbers C. Integers, rational numbers D. Even numbers, whole numbers, integers, rational numbers I THINK IT'S A

**alegbra1**

M5P3*(2M-6Q-5)-1 qm0

**Chemistry - Please help!**

Small quantites of hydrogen peroxide can be prepared by the action of an acid on an alkaline earth metal peroxide, such as barium peroxide. BaO2 (s) + 2HCl (aq) -> H2O2 (aq) + BaCl2 (aq) What mass of hydrogen peroxide should result when 15.0g of barium peroxide is treated w...

**Chemistry**

Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) -> C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the nitrogen in organic compounds into nitrate ...

**Chemistry**

Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) -> C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the nitrogen in organic compounds into nitrate ...

**Chemistry**

sorry, there were some typos in this one..

**Chemistry**

Bacterial digestion is an economical method of sewage treatment. 5CO2(g) + 55NH4+(aq) + 76O2(g) right arrow Bacteria C5H7O2N(s) + 54NO2-(aq) + 52H2O(l) + 109H+(aq) bacterial tissue The above reaction is an intermediate step in the conversion of the nitrogen in organic compound...

**science**

a solution that is composed of 5g of salt for every 95g of water produces by what percent concentration of mass?

**science**

a solution made from 35 mL of ethanol and 65 mL of water produces by what percent concentration of volume

**Algebra**

Five times a number decreased by twice the same number.

**statistics**

The mean length of a work week for the population of workers was reported to be 39.2 hours. Suppose that we would like to take a current sample of workers to see whether the mean length of a work week has changed from the previously reported 39.2 hours. a. State the hypotheses...

**math**

I don't know what to do..please help.The doctor estimates that more than 220 out of the 500 patients in his database take vitamin each year. A random sample of 60 patients shows that 27 o them take vitamin each day. how to use a proportion to predict the total number of pa...

**Irish history**

Please help me unscramble the following letters pertaining to Irish. NLPCREEAH tHANK YOU fRANCES

**MATH (ASAP)**

D.2.40*10=$24.00 $25.00 SO THE ANSWER 24.00

**MATH (ASAP)**

C.20*3=60 25*3=75 60+75=135 D.I DON'T GET THIS ONE.CAN I HAVE HELP ON THIS ONE

**MATH (ASAP)**

Jay and Tia are planning to buy snack chips. • Individual bags of chips cost $3.00 each. • Each case of chips contains 10 bags and costs $25.00. a. If Jay buys 1 case of chips, what is the cost per bag? Show or explain how you got your answer. b. How much money would...

**Math (ASAP)**

thanks sooo much

**Math (ASAP)**

Carolyn and Kim are selling lemonade this summer. *It costs $0.10 to make each cup of lemonade. *They are going to sell each cup of lemonade for $0.25. What is the least number of cups of lemonade they need to sell in order to collect $10.00 more than they s...

**Math**

solutions to the problem what four-digit whole number satisfies the following conditons? The sum of the digits is 6; the number is less than 1200; none of the four digits are equal; and the tens digit is an odd number.

**Science (ASAP)**

You paint a reddish brown board yellow.Have any properties of the wood changed?Has a chemical reaction occured

**Science**

Please i need this ASAP

**Science**

You paint a reddish brown board yellow.Have any properties of the wood changed?Has a chemical reaction occured

**Science**

??????,

**Science**

The grams

**Science**

Add

**Science**

Is the answer 750000 which is d more than

**Science**

12 ounces

**Science**

I dont know

**Science**

I dont really know Can you do like take 2 things out

**Science**

Yea

**Science**

Please i need this ASAP

**Science**

A.much less that 750g B.a little less than 750g C.exactly 750g Or D.more that 750g

**Science**

A board has a mass of 750 g. If you ground the whole board down to sawdust what would be the mass of the pile of sawdust?

**Science**

Draw and complete a graphic organizer to identify the types of chemical reactions illustrated by these formulas:A+ BC= B+AC,AB=A+B,A+B=AB

**Science**

Describe a solution,suspension, and colloid

**Math**

Please I need help

**Math**

In 1 week, the hours worked by the 6 cashiers at buy and fly were 20,20,29,48,52, and 56. Would using the mean or the median number of hours encourage a person who wants at least 35 hours per week to apply for a job at buy and fly? Explain?

**Math**

divisible by 15,27,36,16,28,57,102,268,4518,93

**Chemistry**

In VSEPR, which of the following is considered a single electron group?

**Science**

Thanks

**Science**

Explain changes of state between solids and liquids and between liquids and gases?

**Science**

Why is water only compound occurring naturally on earth in three states?

**Science**

Why is water only compound occuring naturally on earth in three states?

**Astronomy**

What do you need to know in order to calculate the mass of a planet from observations of a satellite in orbit around that planet?

**Science**

Hello i need help

**Science**

What are 3 ways that numerical data can recorded and displayed in science

**Math**

155,168,170,193,198,209,229,270,324,347 1.median 2.maximum 3.minimum 4.mean 5.mode 6.range

**Algebra**

Select the set of equation that represents the following situation: The sum of two numbers is 52, and their differewnce is two less than the smaller number. What are the two numbers? 2x= 52;52=x+2 x+y=52;y-x=x-2 x+y=52;x-y=2-x 2y=52;52=x-2

**Reading**

i was down stairs when the read the books

**Reading**

I never read the book

**Reading**

6 important event that happen in hatchet?

**Social Studies**

1.Gravity Pulls us Down on Earth. We would be Floating With Out it!

**Social Studies**

i dont kno

**Social Studies**

How are these facts contribute to life on earth? *Gravity holds the sun together. *The sun is about 4.5 billion years old. *The sun is by far the largest object in the solar system.

**Social Studies**

True or False Written records,artifacts,and fossils are other tools used by historians, archaeologist,and anthropologists to study the past

**Social Studies**

false

**Social Studies**

True or False Geography is not used very much anymore?

**Social Studies**

i did they dont help

**Social Studies**

how do i make it true

**Social Studies**

how can i make it true

**Social Studies**

false

**Social Studies**

I dont know thats why im asking you

**Social Studies**

True or False To accurately label exact locations on a map, geographers go to that specific location?

**Social Studies**

True or False Geographers use maps, globes,and computers to study people and places?

**Fast food nation**

Which is what we found in the burgers?, and this is what worries the president of the company and start an investigation. Was found throughout this?

**Fast food nation**

as they enter Mexican immigrants and what kind of job offer?

**math**

i need an answer to the math problem: 90.9 divided by (1.75 x 1.75)

**math**

18x - 16 + 6( 2 - 2x) = 50

**Social Studies**

1 page about why would you like to be in the colonial life

**Reading**

5 things to tell a 4 grade about math mcas?*2 pieces o advice for getting ready?

**Social Studies**

5 paragraphs about the colonist life??

**Math**

But i dont get B.

**Math**

25 players

**Math**

C.22/25=550

**Math**

88/4=154/7=132/6=66/3=44/2=22

**Math**

Day Number of Players Amount Collected Monday: 4 $ 88 Tuesday: 7 $154 Wednesday: 6 $132 Thursday: 3 $ 66 Friday: 2 ???? A.On Friday, the coach will collect fees from 2 more players. What is the total amount of money the coach will collect from the 2 players? Show or explain ho...

**Math**

A coach is collecting a fee from each player on her soccer team. She collects the same amount of money from each player. The amount of money she collected over four days from some of the players is shown in the table below. Soccer Fees Collected Day Number of Players Amount Co...

**Math**

Teresa put tiles marked with the letters of her name into a bag. The back of each tile is blank. The tiles are shown below. T E R E S A Without looking into the bag, Teresa will pick a tile. a. What is the probability that Teresa will pick a tile with the letter T on it? Show ...

**Math**

Thanks :-)

**Math**

ohh so C. is 30

**Math**

now i add 50%+20%=70% & 70-100=?

**Math**

1/5=1 divided by 5=0.20=20%

**Math**

i dont know

**Math**

Ms. Hendricks asked her students how they get to school each day. She collected their answers and determined the following results. • Half of her students take the bus. • 1 5 of her students walk. • The rest of her students ride with their parents. a. What perce...

**Science (Asap)**

What is the effect of a chemical change on the mass of matter?

**Science (Asap)**

Compare and contrast: When you combine two or more different substances,you get a mixture.The substance aren't mixed evenly.Their properties don't change.The substance can be separated from the mixture.For example,sand is a mixture that can be separated into rocks and ...

**Science (Asap)**

Thanks

**Science (Asap)**

You learned that a tree can be cut down and shaped into a bat.This is a physical change.What are some of the physical changes we find in nature?

**Science (Asap)**

How are an empty glass bottle and a glass candlestick that were created from crushing and melting glass alike and different?

**Math**

UR SAID THAT its number 3 if u divide 3/5 it does not give u .5

**Math**

its number 3 if u divide 3/5 it does not give u .5

**Math**

IS IT 2/4

**Math**

2/4

**Math**

SO IT IS

**Math**

4.5/10

**Math**

A plumber spent 0.5 hours repairing a faucet.Which of the following fractions is not equivalent to 0.5? 1.1/2 2.2/4 3.3/5 4.5/10