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Recently Posted Questions

Posted in Geography

The contour interval is a measurement of ????

Contours are what tell you how steep a hill/mountain is. The closer the lines are together, the steeper the gradient; the farther apart, the less the gradient.

Posted in Mathematics

How do you convert a negative fraction into a decimal

Just divide the top number of the fraction by the lower number and put a negative symbol in front of the decimal figure.

Example:

-1/4 =. 1divided by 4 = .25 = -.25

Posted in Social studies

How is life in a city more rewarding than life outside a city

The city is the center of society is is densely populated, had mor jobs, and is easier to access goods and services unlike the country which is far less populated, has less jobs, and is harder to access goods and services.

Posted in Biology

Charles Darwin did poorly in school as a young boy. How did his poor performance belie his genius?

Charles Darwin always had a taste for natural history as a kid, as far back as eight, in spite of how he performed in school. When he was a young adult, he got an apprentice ship as a doctor from his father who was also a doctor. This gave him experience with the anatomy of the human body. When being a doctor started to bore him, he learned taxidermy, exposing him to the anatomy of wild animals. Later he joined the Plinian Society which was a student natural history group that often debated and questioned the current topics and views of the subject in that time. Not too mention the many natural historians and evolutionists who also inspired him, one of which was his own grandfather,that gave him the support he needed. I guess that even though his normal school curriculum did not interest him, his self determination was enough to keep him grounded to his interests, proving that sometimes a great education doesn't always make you a genius. (idk :) Charles Darwin was smart in his own ways.

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Posted in Biology

Explain how a leaf is like a factory?

I guess a leaf is like a factory in that it has processes that work within the leaf and that substances are produced from the leaf. The chlorophyll, or basically the part of the plant cell that gives the leaf that green color, interacts with sunlight to drive a chemical reaction that allows the leaf to take in carbon dioxide and water. With this, the 'factory' is able to produce oxygen and sugar. In plants that produce fruits and vegetables, the leaf is what does the working, providing the sugar and nutrients for that plant which makes those fruits and veggies. hope this helps!!

Posted in Mathematics

Is .31 greater than .41

No it is not .41 is greater

Posted in Mathematics

How to write 3 9/100 into a decimal?

How do you write 39/100 into a decimal form is by simply dividing 39 to 100.
Hence,
1. 39 / 100 = 0.39

0.39 is the decimal form of the given value.
Other examples can include:
1.  100 / 1000 = 0.1
2.
 45 / 10 = 4.5





Posted in Mathematics

3 90/100 equals what decimal

Make into improper fraction so 3x100 +90= 390/100
Then divide 390 by 100 and you get 3.9

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Posted in Chemistry

Why is mitosis a form of asexual reproduction?

Asexual reproduction involves mitosis. It could be by a number of different ways, but all of them involve making new cells from the ones that are already there.

Note that mitosis is also valuable for repairing damaged tissue, replacing worn out cells, growing, and developing, not just asexual reproduction.

Asexual reproduction does not occur by meiosis.

Posted in Mathematics

240 is 60% of what number

60% * x = 240

60/100 * x = 240

6/10 * x = 240

3/5 x = 240 / : 3/5

x = 240 : 3/5

x = 240 * 5/3

x = 80 * 5

x = 400

Posted in Mathematics

Two equivalent fractions to 8/24

Equivalent fractions are fractions having the same value even if they look different. Look different means they may not have the same denominator or numerator but, when you multiply the top (numerator) and the bottom (denominator) by the same integer, the fraction keeps its value. 
 Equivalent fractions can be simplified and written as the same fraction for example, 18/27 = 6/9 = 2/3.  

Example:
Two equivalent fractions of 8/24.  
8/ 24 can also be 1/3. Why? How did it happen?  

Simply, get the GCF, the Greatest Common Factor or  the GCD, Greatest common Divisor of both numerator and denominator.

8 = 1, 2, 4, 8
24 = 1, 2, 3, 4, 6, 8, 12, 24
8 is the greatest common factor of 8 and 24 so,
 _8   ÷  8_  = _1_ 
  24      8          3
 

8/24 is also equivalent to 2/6.  Thus;
8/24=2/6=1/3  



Posted in Mathematics

0.6 is greater than 0.5 or less please help

0,6 ...... 0,5

6/10 ..... 5/10

6/10 > 5/10

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Posted in Mathematics

Fractions and Percent problem.I have to write each ratio as a percent. 45 7/8 out of 100 meters... how do I solve this?

I think, based on the little info that you gave:), you would have to make 45 7/8 into a mixed number which would be 367/8. then you would have to make that all out of 100.
(367/8) / 100) = .45875.  Then you could move the decimal place over and you would get 45.875% which when rounded would be 46%.  You can do this on a calculator to check by finding the decimal value of 7/8 which is .875, then add 45 to it to get 45.875. when you put this number over 100 you get 45.875/100 or .45875. multiply by 100 to get your percent 45.875%, round, 46%, and thats your answer

Posted in Biology

In most ecosystems, what kind of organisms are producers

Producers consist of algae and plants that can make there own food through photosynthesis. Fish would be primary or secondary consumers, which eat the producers  

Posted in Mathematics

What is the equation for 4m-5=10m-2

4m - 5 = 10m - 2

4m - 10m = -2 + 5

-6m = 3 / : (-6)

m = - 3/6

m = - 1/2

Posted in Mathematics

12 + 5x > 2 ( 8x - 6 ) - 7xx > what number?

12 + 5x > 2(8x - 6) - 7x

12 + 5x > 16x - 12 - 7x

5x - 16x + 7x > -12 - 12

-4x > -24 / : (-4)

x < 6

Posted in Mathematics

What is the least common denominator between5/6, 2/91/12, 3/85/9, 2/15

LCD is least common denominator, also called least common multiple LCM
5/6, 2/9   LCD is 18
1/12, 3/8 LCD is 24
5/9, 2/15 LCD is 45

18, 24, and 45 are the least common multiples of the denominators for their own pair. 
:)

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Posted in Mathematics

Rewrite them in order to the largest and the smallest. 6 tens 3 hundreds 8 ones?

3 hundreds>6 tens>8ones
Because:
3 hundreds=300
6 tens=60
8 ones=8
Then 300>60>8
Which is...
3 hundreds>6 tens>8 ones

Posted in English

name the five types of sentences..

Declarative sentences( End in period, like the sentence I am writing now), Exclamatory sentences(End in exclamation mark), Interrogative sentences(End in question mark), Imperative sentences(giving a command), and Conditional sentences(If____________, I would_____________.).

Posted in Health

What functions do proteins,carbohydrates, lipids and nucleic acids perform

Carbohydrates: They help to provide the body with a source of energy or fuel and also help to regulate bodily processes.

Lipids: They help to store energy and they form the membranes around cells to protect them. Lipid hormones also play a role in some bodily functions.

Proteins: Proteins such as antibodies and enzymes help fight germs in the body. There are many different types of proteins, some that may fall under these; hormonal proteins, structural proteins, storage proteins, and transport proteins.

Nucleic Acid: They store hereditary information and they contain information for making all of the body’s proteins.   Hope this helps!!

Posted in Mathematics

Larry and Steve have 171 marbles in all. The number of marbles Larry has is 39 fewer than 3/7 of the number of marbles Steve has. How many marbles does Steve have?

Steve = x marbles,    Larry = 3x/7 – 39 marbles
Total marbles = 171 = steves + lary’s
X + 3x/7 – 39 = 171
X + 3x/7 = 171 + 39
10x/7 = 210
10x = 210 * 7
10x = 1470 X = 147
 Larry = 3/7(147) – 39  
Larry = 63 – 39 = 24

Steve = 147
 Total marbles = 147 + 24 = 171

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