Is -0.5 an integer? Explain.

Mathematics

2 answers:

Nadya [2.5K]3 years ago

6 0

Answer: the explanation is given below. The number is NOT an integer.

Step-by-step explanation: We are given to check whether the number -0.5 is an integer or not.

We know that

an integer is a number where the digits after the decimal are zero, or the denominator of its fractional form is 1.

The given number is

$n=-0.5.$

Here, we can see that the digits after the decimal is 5, not zero. Also,

this number can be represented as a negative fraction with denominator not equal to 1 is as follows :

$n=-\dfrac{5}{10}=-\dfrac{1}{2}.$

Therefore, this number is NOT an integer.

Drupady [299]3 years ago

4 0

Yes, -0.5 is an integer because it is a negative number. Any number that is positive or negative is an integer.

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Factor x^2-6x+9 <<< Need Help?

Triss [41]

Hey!!
So to factor it, you want to see what 2 numbers will multiply and make 9 and what 2 numbers will add and make -6.
so 9 and 1 and -9 and -1 make 9 but they dont make -6.
3 and 3 and -3 and -3 make 9, but we need to see which one makes -6. that would be -3 and -3
so the answer is (x-3)(x-3)

you can foil to make sure.
x * x is x^2
-3*x=-3x
-3*x=-3x
-3x-3x = -6x
-3*-3 is 9
so it is x^2-6x+9 which makes the original equation

Hope this helps!

8 0

3 years ago

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EleoNora [17]

Answer:

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Step-by-step explanation:

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