For this case what you must do is the following rule of three:
5.40 million tons ----> 100%
x -------------------------> 2%
Clearing x we have:
x = (2/100) * (5400000)
x = 108000
Answer:
108000 tons of sulfur dioxide was emitted
There are ways for the teacher to decide which student she will teach during each lesson time if she must teach each student exactly 3 times. Here, "!" represents the factorial.
A number's factorial is the result of multiplying the integer by each natural number below it. Factorial can be symbolized by the letter "!". Thus, n factorial is denoted by n! and is the result of the first n natural numbers.
A whole number's "n" factororial is the sum of that number and each whole number up to one.
When a question asks you to determine how many different ways you can arrange or order a given number of items, you use a factorial.
Learn more about factorials here:
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<span>With five houses every three hours, Brianna will paint 20 houses in 12 hours. 12 hours / 3 hours = 4 'rounds'. 5 houses * 4 rounds = 20 houses.
With three houses every four hours, Nicholas will paint 9 houses in 12 hours. 12 hours / 4 hours = 3 'rounds'. 3 houses * 3 rounds = 9 houses.
So Brianna will paint 20 - 9 more houses than Nicholas, or 11 houses more.</span>
Answer:
An example is x^2 + x - 2 = 0.
Step-by-step explanation:
An equation of degree 2 is one where there the highest degree is 2 like the x^2 in the answer.
-2*( (X-2y)=4 )
-2x+4y=8
2x-y=1
3y=9 y=3 2x-3=1 x=4