Saturday

September 20, 2014

September 20, 2014

Total # Posts: 70,822

**History**

What lasting impact did the 1569 Mercator World Map have on people's image of the world?
*September 4, 2014*

**math**

2Sin50 cos60
*September 4, 2014*

**Math-please help!!**

Half the students in Max's class volunteer at the local community center. 15 students do not volunteer.if there are 12 boys in Max's class , how many girls are in Max's class? I am having a brain freeze!
*September 4, 2014*

**Novel**

1. The term racial unconscious means that A. nature weeds out the weakest and unfit. B. you must learn the law of club and fang to survive. C. each species and culture shares ancient memories, stored in the unconscious part of the mind. D. we're all racists at heart to ...
*September 4, 2014*

**Math**

Here is the instruction: Use the data from the table to calculate the number of hours of daylight for one day per week throughout the year (52 data points). Be sure to use the same day of the week so that your data points are evenly spaced 7 days apart. Does this mean... Jan. ...
*September 4, 2014*

**LA**

Thanks! There's another one too: It informs our perceptions, both true and false — one need look no further than the greatest tool of white supremacy in world history, the 1569 Mercator world map. Yes, a map. Gerardus Mercator’s wildly popular map was created ...
*September 4, 2014*

**LA**

Identify the main ideas of the paragraphs. My answers are in parentheses. It informs our history — New York City isn’t where it is because of dumb luck. Verrazzano and Hudson both stumbled into the greatest natural harbor on the Atlantic coast. Boston started as a ...
*September 4, 2014*

**physical science **

if an object has a mass of 10 g and a volume of 5 ml what is its density
*September 4, 2014*

**Geometry**

What are the precise measurements of angles 56 and 75?
*September 4, 2014*

**chemistry**

a mixture of gases is prepared for laboratory experiments by combining 4.2 L of oxygen, 0.71 L of nitrogen, and 0.22 L of carbon dioxide. Determine the percentage of nitrogen in the mixture.
*September 4, 2014*

**math**

Naomi has 50 red beads and white beads. The number of red beads is 1 more than 6 times the number of white beads. How many red beads does Naomi have?
*September 4, 2014*

**algebra**

Amy is building a house. The basement floor is at 15 feet. The roof of the house is above the ground 25 feet. Express the comparison of height as a inequality. Explain the meaning of the inequality.
*September 4, 2014*

**math**

Write as fraction or mixed number 1.004
*September 4, 2014*

**Math**

solve the variable e+17-91
*September 4, 2014*

**Science**

What characteristics are common in main sequence stars
*September 4, 2014*

**Science**

In what part of their life cycle are white dwarfs; beginning middle or end or some combination of those stages
*September 4, 2014*

**Math**

Would this be a good definition Natural Numbers are positive whole numbers that are greater than 0 Whole numbers are positive numbers including 0
*September 4, 2014*

**Math**

Difference between Whole and Natural numbers
*September 4, 2014*

**chem**

what is the density of a block of unknown material with a mass of 11.56g if the dimension are length = 2.2cm, height =1.7cm, width =6.1cm
*September 4, 2014*

**Math**

The measures of two supplementary angles are (10X-25) and (15X+50). Find the measure of the angles
*September 4, 2014*

**math**

Peter & Diane have the same average in mathematics. On the next test Diane scored 97% and her aver age improved to 90%, but Peter scored 73% and his average decreased to 87%. How many tests had proceeded this last test?
*September 4, 2014*

**statistics**

The mean height of students in a college is 155 cms and standard deviation is 15. What is the probability that the mean height of 36 students is less than 157 cms
*September 4, 2014*

**anatomy and physiology**

the lesion is located in the right thorax just lateral to the mid-saggittal plane?
*September 4, 2014*

**English**

Lighthouses are towers with extremely strong lights
*September 4, 2014*

**arithmetic**

find the square root 83456
*September 4, 2014*

**Statistics**

A sample of 12 measurements has a mean of 37 and a standard deviation of 4.25. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 37 each. A. Find the mean of the sample of 14 measurements. Mean = 37 How I ...
*September 4, 2014*

**Computer Science **

Define an unambiguous context free grammar that generates the language of strings containing a series of a's followed by a series of b's followed by a series of c's concluding with a series of d's. The number of a's must be exactly the sames as the number ...
*September 4, 2014*

**Computer Science **

Write a regular expression defining strings that begin with an a and end with a b and can contain any number (including zero) of c's or d's in the middle. Every c that is in the string must be followed by at least one d. Construct a deterministic finite state automaton...
*September 4, 2014*

**Computer Science **

Define a language that is not a regular language using a context-free grammar that is not ambiguous. The alphabet of the language must contain at least five characters. Describe in English the strings of the language. Choose any string that is in the language and demonstrate ...
*September 4, 2014*

**English**

Then is it the first sentence?
*September 4, 2014*

**English**

Identify the main idea of the paragraph. My choices are in parentheses. Our pitiful knowledge of geography has been well documented for the last decade. Among the most notable studies was the 2006 Roper study sponsored by the National Geographic Society, a copy of which is ...
*September 4, 2014*

**math**

a ball is dropped from a height of 3 meters. It bounces to 2/3 of the height from which it fell at each boune.find distance travelled
*September 4, 2014*

**Government and Trade**

If the Gross National Product (GNP) goes up, this means
*September 4, 2014*

**physics**

A stone is launched straight up by a slingshot. Its initial speed is 20.6 m/s and the stone is 1.59 m above the ground when launched. How high above the ground does the stone rise? How much time elapses before the stone hits the ground?
*September 4, 2014*

**Math**

Rewrite the following definition as a biconditional: Points that lie on the same line are collinear. A.) If a point lies on a line, then it is collinear. B.) If a point lies on a line with another point, then the two points are collinear. C.) If two points are collinear, then ...
*September 4, 2014*

**Math**

1.) What is the conclusion of the following conditional? A number is divisible by 3 if the sum of the digits of the number is divisible by 3. A.) The number is odd. B.)The sum of the digits of the number is divisible by 3 C.) If the sum of the digits of a number is divisible ...
*September 4, 2014*

**PRINCIPLES OF PUBLIC SPEAKING PART II, SECTION 2**

5.0 Points What nonverbal communication technique usually communicates best your honesty about your message? A. Good posture B. Body movement C. Eye contact D. Hand gestures
*September 4, 2014*

**statistics**

A state administered standardized reading exam is given to eighth grade students. The scores on this exam for all students statewide have a normal distribution with a mean of 506 and a standard deviation of 69. A local Junior High principal has decided to give an award to any ...
*September 4, 2014*

**statistics**

The final mark in QTQ100T has a normal distribution with an average of 60% and a variance of 100. If we draw a sample of 4 students, the probability that the average mark is more than 56% is
*September 4, 2014*

**Math!**

The initial amount of sugar in fermenting a batch of beer is 5.5 grams. Over time the sugar decreases at a rate of 0.1grams per day. a.What is the amount of sugar that remains after 7 days? 23 days? - I got: 5.5-0.1x= A - 5.5-0.1(7)= 4.8 - 5.5-0.1(23)= 3.2 b. If A represents ...
*September 4, 2014*

**physics**

An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.12 m/s2. The magnitude of the car's velocity at the end of ...
*September 3, 2014*

**pre calculus algebra **

one number is three less than six times second number. their sum is 32. find the two numbers
*September 3, 2014*

**8th grade math**

a square photo display board is made up of 60 rows of 60 photos each. the area of each square is 4 in. how long is each side of the display board?
*September 3, 2014*

**math**

a gallon of stain can cover a square deck with an area of 300 square feet. about how long is each side of the deck? round to nearest foot.
*September 3, 2014*

**chemistry**

'A patient receives 2900mL of an IV solution containing 3g of glucose per 100 mL. How much energy, in kilocalories, does the patient obtain from glucose?
*September 3, 2014*

**algebra**

Ms.Sue, can you answer the previous question that was asked before this question. PLEASE
*September 3, 2014*

**SOMEONE HELP PLEASE..DUE AT MIDNIGHT **

Hot dogs and Hamburgers: 1.) The caterer for your class picnic charges $1 for each hotdog and $2 for each hamburger. You have $48 to spend. Write a model that shows the different numbers of hot dogs and hamburgers that you could purchase... 2.) Airplane landing: An Airplane&#...
*September 3, 2014*

**Math. HELP!**

Thanks DrBob222 :D
*September 3, 2014*

**Math. HELP!**

Hot dogs and Hamburgers: The caterer for your class picnic charges $1 for each hotdog and $2 for each hamburger. You have $48 to spend. Write a model that shows the different numbers of hot dogs and hamburgers that you could purchase.
*September 3, 2014*

**Chemistry**

youre missing the dimensions of the container
*September 3, 2014*

**math**

if a bag has 2 red balls 2 blue balls 2 green balls what is your chance of getting a red ball
*September 3, 2014*

**english**

Ms. Marcus told our class about Valentines Day.
*September 3, 2014*

**math**

Jasmine has 8 packs of candle wax to make scented candles .each pack contains 14 ounces of of wax.jasmine uses 7ounce of wax to make one candle .how many candles can she make?
*September 3, 2014*

**math**

What % of $3.75 is $1.50?
*September 3, 2014*

**College Chemistry**

Help
*September 3, 2014*

**math**

So, I have to turn the quotient answer into scientific notation.. (answer has to be in scientific notation) 6x10^24/ 8x10^8 - 7.5 x 10^2 - 7.5 x 10^15 - 0.75 x 10^3 *This is the one I pick* - 0.75 x 10^16
*September 3, 2014*

**English: Misplaced and Dangling Modifiers**

I have difficulty determining whether a modifier is dangling or misplaced; my book does not clearly define the difference. I think the difference is that in a misplaced modifier the modifier is separated from the word it modifies, and in a dangling modifier the modified word ...
*September 3, 2014*

**business communication**

caroline knows that, while her oral presentation skills are stellar, her writing style could use a bit of work. which of the following would be the best medium for caroline to communicate in effectively? a. Apodcast,b. A wiki,c. A blog, d. a text chat
*September 3, 2014*

**English**

Identify the main ideas of the paragraphs. My answers are in parentheses. (Geography is essential to our education.) Not just knowing how to read a map, but at least a basic understanding of where countries, states and continents are located on a map. Yet the study of our ...
*September 3, 2014*

**urgent finance help**

There is neither gain or loss on sale of despreciable asset for an amount exactly equal to its A.aquisition cost B.book value C.oportunity cost D.histicorl cost
*September 3, 2014*

**English**

they are all grammatcal and interchangeable. 1 $ 2 the best
*September 3, 2014*

**Chemistry **

Calculate the percentage by mass for Carbon in C2H2
*September 3, 2014*

**physics**

Q. 2. A force of 100N acts on a mass of 25 kg for 5 s .What velocity does it generate?
*September 3, 2014*

**Chemistry **

Calculate the percentage by mass for Carbon in C2H2
*September 3, 2014*

**mathematics**

solve problem using ratio 5:8 in a school are girls and 135 boys how many children are in the school in total.
*September 3, 2014*

**English**

Look through Angelo's telescope you can see saturnalia rings.
*September 3, 2014*

**statistics**

24. Rosalie Friend (2001), and educational psychologist, compared three methods of teaching writing. Students were randomly assigned to three different experimental conditions involving different methods of writing a summary. At the end of the two days of instructions, ...
*September 2, 2014*

**statistics**

24. Rosalie Friend (2001), and educational psychologist, compared three methods of teaching writing. Students were randomly assigned to three different experimental conditions involving different methods of writing a summary. At the end of the two days of instructions, ...
*September 2, 2014*

**Physics**

How much heat must be removed from a 240 g block of copper to lower its temperature from 150°C to 18°C? The specific heat capacity of copper is 0.093 cal/g·C°.
*September 2, 2014*

**Absolute value**

7. Analyze Relationships Bertrand collects movie posters. The number of movie posters in his collection changes each month as he buys and sells posters. The table shows how many posters he bought or sold in the given months. Month January February March April Posters Sold 20 ...
*September 2, 2014*

**math**

Ricky has a total of 64 pennies and quarters in a jar. He has 34 more pennies than quarters. How much money does ricky have in the jar
*September 2, 2014*

**Chemistry**

How many moles of chlorine atoms are present in 4.8x10^20 molecules of carbon tetrachloride?
*September 2, 2014*

**English**

Would the first one be the second sentence?
*September 2, 2014*

**English**

*Yet they all knew where the Chuck-E-Cheese is located. Most have an encyclopedic knowledge of the shops in Co-Op City, or the amusement possibilities of New Rochelle (dubbed “New Roc City”). They also have exact bearings on where to find the nearest McDonald’s...
*September 2, 2014*

**English**

Identify the main ideas of the indicated paragraphs of this article. (Paragraphs with the asterisks are indicated.) My choices are in parentheses. *(Geography is essential to our education.) Not just knowing how to read a map, but at least a basic understanding of where ...
*September 2, 2014*

**6th Grade Math**

Unless there is some extra information about money earned from the savings account, Jacob has -$5 left.
*September 2, 2014*

**English**

*Yet they all knew where the Chuck-E-Cheese is located. Most have an encyclopedic knowledge of the shops in Co-Op City, or the amusement possibilities of New Rochelle (dubbed “New Roc City”). They also have exact bearings on where to find the nearest McDonald’s...
*September 2, 2014*

**English**

Thanks! There's another one too: *(Geography is essential to our education.) Not just knowing how to read a map, but at least a basic understanding of where countries, states and continents are located on a map. Yet the study of our world has many other implications as well:
*September 2, 2014*

**English**

Identify the main ideas of the indicated paragraphs of this article. (Paragraphs with the asterisks are indicated.) My choices are in parentheses. Our pitiful knowledge of geography has been well documented for the last decade. Among the most notable studies was the 2006 Roper...
*September 2, 2014*

**math**

Sarah and Felipe were playing video games. Sarah scored 21,456 points, and Felipe scored 9,087 points. About how many points did Sarah and Felipe score altogether?
*September 2, 2014*

**Math**

Write the numbers: 70 million 16 thousand 90 32 billion 232 thousand
*September 2, 2014*

**Shurley English**

What is an analogy?
*September 2, 2014*

**Math**

Factor the following number to it's prime factor: 40
*September 2, 2014*

**math**

Sarah and Felipe were playing video games. Sarah scored 21,456 points, and Felipe scored 9,087 points. About how many points did Sarah and Felipe score altogether?
*September 2, 2014*

**Algebra2 HELP PLEASE**

I meant 38
*September 2, 2014*

**Algebra2 HELP PLEASE**

So the answer is 8 production rate. So the supervisor would be satisfied then?
*September 2, 2014*

**Algebra2 HELP PLEASE**

ok for the second one Idek what I did. But the answer I got was 2. I am so confused.!!!! HELP
*September 2, 2014*

**Algebra2 HELP PLEASE **

1.) Fuel Efficiency: On Friday, you left for a weekend camping trip with 110 miles on the odometer and 14.5 gallons of gas in the tank of your car. When you returned on Sunday, the odometer read 299 miles and you still had 7.5 gallons of gas left. What was the fuel efficiency ...
*September 2, 2014*

**chemistry**

calculate the mass of a 4.50 m long copper rod that has the diameter of 1.25cm. the density of copper is 8.94 g/ml
*September 2, 2014*

**chemistry**

calculate the mass of a 4.50 m long copper rod that has the diameter of 1.25cm. the density of copper is 8.94 g/ml
*September 2, 2014*

**gr 11 physics**

Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 km away. It takes Amy 40 mins to arrive at school. Bill arrives 20 mins after Amy. How much faster(in meters/second) is Amy's average speed for the entire trip?
*September 2, 2014*

**gr 11 physics**

Oh sorry no it doesnt! Sorry
*September 2, 2014*

**gr 11 physics**

Oh sorry no it doesnt! Sorry
*September 2, 2014*

**gr 11 physics**

Yes it does
*September 2, 2014*

**gr 11 physics**

Why is 2 hours equal to 80km
*September 2, 2014*

**gr 11 physics**

So then would i change 64km/h into meters/seconds
*September 2, 2014*

**gr 11 physics**

Steve traveled the first 2 hours of his journey at 40km/h and the last 3 hours of his journey at 80km/h. What is his average speed of travel for the entire journey?
*September 2, 2014*

**Math 2**

Please help me on this question
*September 2, 2014*

**Algebra1**

How to solve c+4=-26 and the answer would be 6,,,,-6,,,,, -4.4 or 3???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
*September 2, 2014*

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