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sineoko [7]
3 years ago
7

(3w-8)(5=w)=0 ,What is w?

Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0

Answer:

- 1. 5 as decimal

-3 / 2 as a fraction

Step-by-step explanation:

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In stead of doing 3-9 and 2-1 do 23-19 then 2-1
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3 years ago
Solve this2^x=3^(x+1) what are the exact and approximate solutions
GrogVix [38]

Take the logarithm of both sides

x = log_{2}(3)x +log_{2} (3)

Move expression

x-log_{2}(3)x = log_{2}(3)

Factor out x

x(1-log_{2}(3)) =log_{2}(3)

Divide

x = (log_{2}(3)) / (1-log_{2}(3))

<h2></h2><h2>x≈ -2.70951</h2>
7 0
3 years ago
Can someone please help me factor this
Dmitry_Shevchenko [17]

Answer:

\huge\boxed{\bf\:1}

Step-by-step explanation:

\frac{ x  ^ { 2  }  -4x+3  }{ x  ^ { 2  }  -7x+12  }   \times   \frac{ x  ^ { 2  }  +2x-24  }{ x  ^ { 2  }  +5x-6  }    ^ {   }

Take \frac{ x  ^ { 2  }  -4x+3  }{ x  ^ { 2  }  -7x+12  } & factorise it at first.

\frac{ x  ^ { 2  }  -4x+3  }{ x  ^ { 2  }  -7x+12  }   \\= \frac{\left(x-3\right)\left(x-1\right)}{\left(x-4\right)\left(x-3\right)}\\= \frac{x-1}{x-4}

Now factorise the next set : \frac{ x  ^ { 2  }  +2x-24  }{ x  ^ { 2  }  +5x-6  }    ^ {   }.

\frac{ x  ^ { 2  }  +2x-24  }{ x  ^ { 2  }  +5x-6  }    ^ {   }\\= \frac{\left(x-4\right)\left(x+6\right)}{\left(x-1\right)\left(x+6\right)}\\=  \frac{x-4}{x-1}

Now, multiply the two simplified results.

\frac{ x  ^ { 2  }  -4x+3  }{ x  ^ { 2  }  -7x+12  }   \times   \frac{ x  ^ { 2  }  +2x-24  }{ x  ^ { 2  }  +5x-6  }    ^ {   }\\= \frac{x-1}{x-4}\times \frac{x-4}{x-1} \\= \frac{\left(x-1\right)\left(x-4\right)}{\left(x-4\right)\left(x-1\right)} \\= \boxed{\bf\: 1}

\rule{150pt}{2pt}

7 0
3 years ago
Classify the following system of equations.
zubka84 [21]

Answer:

B) consistent, dependent

Step-by-step explanation:

The given system is

45x - 30y = -90

-12x + 8y = 24

Let us make y the subject in both equations to get:

Top equation

y =  \frac{3}{2}y + 3

Bottom equation

y =  \frac{3}{2}x + 3

We can see that both equations are identically the same.

There is going to be infinitely many solutions.

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The correct choice is B

4 0
3 years ago
PLS HELP
Shalnov [3]

Answer:

2ab is the answer! :)

Step-by-step explanation:

7 0
3 years ago
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