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8_murik_8 [283]
3 years ago
11

6-x=15 what is x? I am trouble finding it

Mathematics
1 answer:
bonufazy [111]3 years ago
4 0
-9. negatives 6-(-9)=15
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Factor completely.<br> 486 + 108z + 6x2 =
Firlakuza [10]

Answer:

  • 6(x^2 +18z +81) . . . as written
  • 6(x +9)^2 . . . . . . . . assuming a typo

Step-by-step explanation:

As the expression is written, the only factoring that can be done is to factor out the common numeric factor of 6:

  = 6(x^2 +18z +81)

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<em>Assuming a typo in the question</em>

If we assume all variables are supposed to be "x", then the quadratic term can be further factored as a square:

  = 6(x +9)^2

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It is often handy to remember that the form of the square of a binomial is ...

  (a +b)^2 = a^2 +2ab +b^2

Here, we recognize that 18 = 2√81, so the binomial is (x +√81) = (x +9).

7 0
3 years ago
Use special right triangle find the exact value of x. <br> X=?
swat32

Answer: 12

Step-by-step explanation:

3 0
3 years ago
Please help asap 25 pts
irakobra [83]

In a function, each domain element can have at most one range element. So we'll have to remove one of the links from 3. Either one can be removed, since it is OK for two domain elements to map to the same range element (as is the case for 3->b and 4->b).


This is all very theoretical, but here is a real life example.

Take f(x) = x²

You probably know that both f(2) and f(-2) is 4.

There 2 and -2 are in the domain, 4 is in the range.

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4 years ago
Simplify each expression by combining like terms <br> 3x^-1 - 10x^-1
Dmitry_Shevchenko [17]

Answer:

-7/x

Step-by-step explanation:

first, you combine the terms together to get -7x^-1. you cant have negative exponents in the numerator so you move the x^-1 to the denominator. once it move its becomes positive then.

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This is true. Debit card payment is out of your own pocket, while Credit card debt is borrowed money that must be paid back later.
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2 years ago
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