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liubo4ka [24]
3 years ago
12

[8-(-12)]÷(2x-2)-(-8)

Mathematics
1 answer:
WITCHER [35]3 years ago
6 0

Answer:

3

Step-by-step explanation:

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Daniel says that when the irrational number 7√3 is multiplied by any rational number, the product is always an irrational number
jeka94

Answer: 0

============================================

Explanation:

When we multiply 0 by any number, we get 0 as a result

x*0 = 0

0*x = 0

for any number x.

The number 0 is rational since we can write it as a fraction of two integers

0 = 0/1

If Daniel were to correct his statement to say "multiply by any <u>nonzero</u> rational number", then his statement would be correct that the result is irrational.

----------------------------------------------

Extra info:

Here's a proof showing why Daniel's claim is correct if we consider nonzero rational numbers

Let p be a nonzero rational number, so p = a/b for integers a,b where neither a or b are zero

Let q be an irrational number. We cannot write q as a ratio of two integers

The claim is that p*q is irrational. For now let's assume the opposite. So assume p*q is rational. This means p*q = r/s for integers r,s

This would be the same as (a/b)*q = r/s which solves to q = (r/s)*(b/a) = (rb)/(sa) making q rational, but that contradicts the fact we made q irrational earlier.

Therefore, the assumption p*q is rational cannot be the case, and p*q must be irrational.

7 0
3 years ago
Need help with this please! best answer will get brainliest!!
Tresset [83]

Answer:

Is there supposed to have a picture? cause if there is, i can't see it...

Step-by-step explanation:

3 0
3 years ago
The ages of Edna, Ellie, and Elsa are consecutive integers. The sum of their ages is 108. What are their ages?
diamong [38]
All I did was guess and check. I started with the 30s because their sum would be nine and there might be a one to carry to make it 10. After many tries (well, not many, I'm just being dramatic) I got 35, 36, and 37. Hope I helped.
7 0
3 years ago
Solve for y<br> -1/2=6/5y-2/3
ella [17]
5/36 would be it I say
6 0
3 years ago
Read 2 more answers
Jesus, is it, a, b, c, or d??
serg [7]

Answer: A is the answer!

7 0
4 years ago
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