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It means to find a number that, when squared, gives you a specific number. For example, when you ask for the square root of 25, you want to know which number, squared, is equal to 25. The answer in this case is 5.
zero + zero = zero
they are equal
A negative plus a negative still gives a negative answer.
Division by 4: 4x ≤ 12 divide both sides by 4: x ≤ 3
It means to find a number that, when squared, gives you a specific number. For example, when you ask for the square root of 25, you want to know which number, squared, is equal to 25. The answer in this case is 5.
zero + zero = zero
they are equal
This the number of protons, equal to atomic number.
Because 5 groups of 5 added up together gives you 25.
The relevant property is the closure of the set of rational numbers under the operation of addition.
454 = 454. No other number is equal to 454.
The number of protons gives the atomic number. The number of electrons are equal to the number protons unless the atom is ionized. The number of neutrons determines which isotope you have. Hope that helps
Atomic number is the number of protons (i.e. equal to the number of electrons) of an atom.
The additive inverse of x is -x It is the number that, when added to the original, gives a sum equal to zero.
The operation is called addition.
That would be any number greater or equal to 15, and smaller than 25.