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ludmilkaskok [199]
3 years ago
14

Is (8+√2)(8-√2) Rational or irrational no need to explain why

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
3 0

Irrational

==========%%%%%%%%++++++++

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5D%7Bx%20-%201%7D%20" id="TexFormula1" title=" \sqrt[3]{x - 1} " alt=" \sqrt[3]
shusha [124]
So the -1 is under the check mark too?

7 0
3 years ago
Given two points A and B, there is only one segment that you can name: AB. With three collinear points A, B, and C, there are th
aksik [14]

Answer: 10

Imagine you have 2 slots or boxes that are empty. They represent the possible choices for the letter you pick. For example, you can place B in slot 1 and D in slot 2. There are 5 choices for slot 1 (A,B,C,D,E) and four choices for slot 2. Why 4? Because after we pick the letter for slot 1, we have one less letter to pick from. We can't reuse that letter.

Now multiply those values 5 and 4 to get 20. There are 20 different ways to pick a pair of letters from a pool of 5 total. However, order does NOT matter because the segment AB is the same as BA. Since order doesn't matter, we are doubly counting when we shouldn't. In other words, our count is two times higher than it should be. Instead of 20 pairs, it's actually 20/2 = 10 pairs. That's why the answer is 10.

The list of 10 segments are: {AB,AC,AD,AE,BC,BD,BE,CD,CE,DE}

Side note: you can use the nCr combination formula with n = 5 and r = 2 to get the same answer.

4 0
3 years ago
Simplify the expression 12^-3 * 12^10 * 12^0
Misha Larkins [42]

12^-3 * 12^10 * 12^0

= 12^(-3 + 10 + 0)

= 12^7

6 0
2 years ago
Read 2 more answers
There is a closed carton of eggs in Mai's refrigerator. The carton contains eggs and it can hold 12 eggs.
Maksim231197 [3]

Answer:

The maximum amount of eggs (represented by e) the egg carton can hold is 12.

(btw you cld give me the eggs if ur not gonna eat em' XD)

7 0
2 years ago
How can i answer this question
MissTica

Answer: 10g+6h+8

So none of the above I think

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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