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If the sum of the digits is divisible by 3 the number is divisible by what?
9
Any number that is divisible by 3 is also divisible by 9 .Find a counterexample to show that the conjecture is false?
You are an Idiot dude. there is no such value
Does the icosahedron have any parallel edges?
Formula for even sided shapes: Number of sides divided by 2. 20 divided by two equals 10.
What is pi divisible by?
Pi is an irrational number, meaning it cannot be expressed as a simple fraction. As such, pi cannot be divided evenly by any non-zero integer, including itself. In other words, pi is not divisible by any whole number.
How many sides does the biggest shape have?
There is no limit to the number of sides that a particular shape can have. The Icosahedron has 20 sides. It would tend to the circle as the number tends to infinity: even a 360-sided polygon (1 degree internal angles) would look a bit like like a pixellated circle.
Is 20 a prime number?
No. Even numbers are never prime numbers. A prime number is a number that is only divisible by 1 and itself. Even numbers are always divisible by 2, so they are never prime.And 20 is also divisible by 4 and 5. Its factors are 1, 2, 4, 5, 10, and 20.
Is a number divisible by 20 a even number?
It is divisible by 2, 5 and 10 but not the rest.
If a number is even and divisible by 3 than what is true about that number?
If a number is even (divisible by 2) and divisible by 3, then it must also be divisible by 6.
Why the even numbers between 20 and 30 cant be primes?
Every even number is evenly divisible by 2.
What is the smallest number that is divisible by 20 and 15?
The smallest number that is divisible by 20 and 15 is 60.
Is it true that some numbers divisible by 5 are odd numbers?
50% of numbers divisible by 5 are even, the other 50% are odd. If the single's digit of a number is 5, then the number is divisible by 5 and odd. For example, 25. However, if the single's digit of a number is 0, then the number is divisible by 5 and even. For example, 20.
Is 20 a prim number yes or no?
No, 20 is not a prime number. It is divisible by 2, 4, 5, and 10, in addition to 1 and 20.
What is the inverse statement of an even number is divisible by two?
If a number is not divisible by two then it is not an even number.
What odd number is divisible by an even number?
No odd numbers are divisible by even numbers.
What is the inverse of the statement if a number is divisible by 2 then it is even?
If a number is not even, then it is not divisible by 2.
What even number is graeter than 20 less than 30 and divisible by 3?
7
What is divisibility rule of 20?
A number is divisible by 20 if and only if it is an integer, its units digit is 0, and its tens digit is even.
