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3 years ago

Evaluate 4 - x, when x = -6

Mathematics

2 answers:

Neporo4naja [7]3 years ago

7 0

Answer:

Step-by-step explanation:

4--6

4+6=10

algol [13]3 years ago

7 0

Answer

10

step-by-step

4–6

4+6

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pochemuha

Answer:

$C.\{-4,-2,~0,~2,~4\}$

Step-by-step explanation:

$Greetings!$

$I'm~Isabelle~Williams~and~I~will~be~answering~your~question!$

$I~know~you~asked~for~only~the~domain,~but~just~in~case~I'll~type~down~the~range~\\too:$

$The~ domain ~is ~the ~set~ of~ all ~the~ values ~of ~x. ~The~ range~ is~ the~ set~ of~ all ~the ~values \\~of ~y.$

$Domain:\{-4,-2,~0,~2,~4\}$

$Range:\{-1,~1,~3,~0\}$

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3 years ago

One solution of x^2-25=0 is 5. What is the<br> other solution?<br> Enter the correct answer.

Serga [27]

Answer:

<h2>The other solution: x = -5</h2>

Step-by-step explanation:

$x^2-25=x^2-5^2\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=(x-5)(x+5)\\\\x^2-25=0\to(x-5)(x+5)=0\iff x-5=0\ \vee\ x+5=0\\\\x-5=0\qquad\text{add 5 to both sides}\\x=5\\\\x+5=0\qquad\text{subtract 5 from both sides}\\x=-5$

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3 years ago