Why does the formula for the number of hosts per subnet (2h – 2) require the subtraction of two hosts?

1 answer:

6 0

The term of humanism has been very different back during reinasance humanism and modern humanism.
Back then, the term is used to describe an act to preserve intellectual culture. In modern times, it used to describe the act to impose social justice among all human.

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Evaluate -5-15+4+15

defon

Answer:

-1

Step-by-step explanation:

-5-15+4+15

=-20+19

=-1

7 0

3 years ago

Read 2 more answers

Solve the equation using the quadratic formula : x^2-10x+25=18

Sever21 [200]

$x^2-10x+25=18 \\ \\x^2-10x+25-18 = 0\\ \\ x^2-10x+ 7 =0 \\ \\a=1 , b = -10 , c= 7 \\ \\ \Delta = b^{2}-4ac = (-10)^{2}-4*1*7=100-28 = 72 \\ \\\sqrt{\Delta }=\sqrt{72}= \sqrt{2*36} =\sqrt{36}*\sqrt{2} =6\sqrt{2}$

$x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{10- 6\sqrt{2}}{2}=\frac{2(5-3\sqrt{2})}{2}= 5-3\sqrt{2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{10+ 6\sqrt{2}}{2}=\frac{2(5+3\sqrt{2})}{2}= 5+3\sqrt{2}$

$Answer : \ x= 5-3\sqrt{2} \ \ or \ \ x = 5+3\sqrt{2}$

8 0

3 years ago

250 divided by 10 to the 2 nd power

laila [671]

The answer to your problem is 2.5.

5 0

3 years ago

Read 2 more answers

Jake says adding 0 to an addendum does not change a sum. Is he correct

siniylev [52]

Nothing changes if you don't add anything.

Example:

10+10=20
20+0=20

nothing changes.

5 0