 regular pentagonal pyramid
￫ slant height
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○○○ mold ⪢⪢
A sphere and a cube are topologically the same thing since you can just kind of mold one into the other.
http://qindex.info/i.php?x=16021 Recursive Formula
In this video let us dive right into a light introduction to the idea of a recursion and what the recursive formula is.
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○○○ genus ⪢⪢
Genus is one way topologists classify some shapes.
http://qindex.info/i.php?x=16023 √2 ≈ 1.414
According to Pythagoras theorem the diagonal length of a square with each side measuring one unit would be square root of two. The assumption that square root of two could be expressed as a ratio of two integers deduces a contradiction.
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○○○ perimeter ⪢⪢
The perimeter is the distance around the edge of _____ triangle. Just add up the three sides.
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◎◎◎ complement ⪢⪢
When two angles are complementary, we say that one angle is the complement of the other.
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◎◎◎ number ⪢⪢
Digits make up numerals and numerals stand for an idea of a number just like letters make up words and words stand for ideas.
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○○○ linear function ⪢⪢
You can expect the difference between one x value at any point to be the same as any other.
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○○○ Goldbach conjecture ⪢⪢
Every even number is the sum of two primes.
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○○○ number ⪢⪢
A number is a count or measurement. It is really an idea in our minds.
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◎◎◎ ordinal ⪢⪢
Ordinal says what order things are in. ￫ cardinal, nominal
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○○○ logarithm ⪢⪢
x⍻b = y With logs, the base of the log raised to the power of what's on the other side of the equal sign will equal the number that the log is operating on.
http://qindex.info/i.php?x=6085 irrational number
Irrational numbers can't be expressed as the ratio of two integers.
http://qindex.info/i.php?x=9591 05 Liber Abaci - Leonardo Fibonacci
Fibonacci asked himself how many pairs of rabbits originated from a single pair in one year. Each pair of rabbits will produce exactly one more pair of both sexes per month which in turn would be fertile from the second month after birth.
http://qindex.info/i.php?x=3645 prime number theorem
○ π(n) is asymptotically equivalent to x/log x. ○ Of the first n integers, roughly 1/log n of them would be prime.
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○○○ tensor ⪢⪢
The word _____ actually comes from an old Latin word meaning "to stretch".
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○○○ expect ⪢⪢
Now if a is greater than 0 and b was greater than 1, then we can expect the graph to look something like this. If a is greater than 0 and b is greater than 0 but less than 1, then the graph will look something like this.
http://qindex.info/i.php?x=10539 ○○○ logarithm ⪢⪢
What power do you have to raise b to in oder to get x? ❶ b˄y = x ❷ x˅y = b ❸ x⍻b = y
http://qindex.info/i.php?x=3784 ψ ≈ 137.5° ⪢⪢
Divides the angle of 360° in the proportions of the golden section. As angles smaller than 180° proved more handy in practice, the smaller of the resultant angles is usually called golden angle.
http://qindex.info/i.php?x=9465 ◎◎◎ complex number ⪢⪢
A complex number is a number that can be expressed in the form a + bi where a and b are real numbers and i is the square root of -1.
http://qindex.info/i.php?x=9607 Φ ≈ 1.618
Keplar observed that the relationship between a number in Fibonacci sequence and the previous number more and more closely approaches the irrational number Φ the longer the sequence is continued and Φ describes nothing other than the golden section.
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◎◎◎ cardinal ⪢⪢
A _____ number says how many of something there are. It answers the question how many. They are no fractions or decimals as it is only used for counting. ￫ nominal, ordinal
http://qindex.info/i.php?x=7070 ◎◎◎ prime number ⪢⪢
It is a prime number when it can't be divided evenly by any number except 1 or itself.
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○○○ number ⪢⪢
Here are some ways to show the number 4. We can even tap the ground 4 times.
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○○○ each ⪢⪢
In this example, we're asked to estimate the number of degrees each of the shaded figures has been rotated and state the direction of the rotation.
http://qindex.info/i.php?x=20619 ◎◎◎ complementary ⪢⪢
If two angles are complementary, then the sum of their measures is 90 degrees. ￫ measure
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◎◎◎ nominal ⪢⪢
A nominal number is a number used like a name, not as an actual value or position. 14 identifies the player. It doesn't mean how old he is or anything. ￫ cardinal, ordinal
http://qindex.info/i.php?x=10307 ◎◎◎ composite number ⪢⪢
It is a composite number when it can be divided evenly by numbers other than 1 or itself.
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○○○ look ⪢⪢
Now if a is less than 0 and b was greater than 1, then we can expect the graph to look something like this. And finally, if a is less than 0 and b is greater than 0 but less than 1, then the graph will look something like this. #pronunciation
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◎◎◎ dimension ⪢⪢
The number of _____s is how many values are needed to locate points on a shape.
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○○○ start off ⪢⪢
Let's start off this lesson with an example of simple interest first and then of compound interest so that we can compare the two.
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