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Vikentia [17]
2 years ago
14

What is 9 squared?

Mathematics
1 answer:
Evgen [1.6K]2 years ago
6 0

Answer:

The squared root of 9 is 3

Why - Half of 9 is 3

Why do we called this squared - It is the positive solution of the equation x2 = 9. The number 9 is a perfect square.

5 Cubed is equal to 125

Why - The number 125 on prime factorization gives 5 × 5 × 5. On combining the prime factors in groups of 3 gives 5

Why do we call this cubed = The cube of a number is that number times itself times itself. 5 cubed, denoted 53, is equal to 5×5×5, or 125.

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in all, how many counting numbers from 200 to 500 are divisible by all of the following 2, 3, 4,5 and 6?
Arte-miy333 [17]

Answer:

I think its  6 numbers  . See below

Step-by-step explanation:

The numbers must end in 0 because they must be divisible by 2 and 5

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The LCM of the 5 numbers is  60 so we can add  300, 360, 420 and 480 to the list.

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3 years ago
What is the answer to 45 − (−28) =
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Step-by-step explanation:

You can also write it as 45+28.

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A double negative in Math is when you have a scenario like this. For example, 1-(-1) is also equal to 1+1.

So 45+28 is 73.

Hope it helps!

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