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kap26 [50]
3 years ago
10

Which of these steps will eliminate a variable in this system? help pls

Mathematics
2 answers:
Nataly [62]3 years ago
4 0
The answer is B. Dbsjskkdjcjdks
inn [45]3 years ago
3 0
The answer is b hahahahhaha
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Can someone answer this pls??
babymother [125]
<h3><u>Explanation</u></h3>
  • Given the expressions and values.

\frac{2ab +  {a}^{2}  {b}^{2}  - a}{ab}  \\  \begin{cases} a  =  - 1 \\ b = 1 \end{cases}

  • Substitute the value of a and b in the expression to evaluate.

\frac{2( - 1)(1) +  {( - 1)}^{2}  {(1)}^{2}  - ( - 1)}{( - 1)(1)}

  • Evaluate

\frac{2( - 1) + 1(1) + 1}{ - 1}  \\  \frac{ - 2 + 1 + 1}{ - 1}  \\  \frac{ - 2 + 2}{ - 1}  \\  \frac{0}{ - 1}  \Longrightarrow 0

<h3><u>Answer</u></h3>

<u>\large \boxed{0}</u>

3 0
3 years ago
Is the simplified form of 2-3 + 3.3 rational?<br> Yes<br> No
N76 [4]

Answer:

YES IT IS

Step-by-step explanation:

2-3 + 3.3

= -1 + 3.3

= -4.3

We learn that:

Rational number: rational number is the number that can be written as a/b (a and b would be intergers and b is not equal to 0). Rational number would be most of numbers we use in out life, except Square root and Pi number.

In this case, -4.3 can be write as -43/10

So YES it would be a rational number

Hope this helped :3

6 0
3 years ago
I don’t understand what #5 is asking me to do! Ty
Aleksandr-060686 [28]

You have to explain how you knew to use 55 and 120, not another option.

Hope it helped! :)

4 0
3 years ago
What set of reflections would carry triangle ABC onto itself?
zmey [24]

Answer:

it is b

Step-by-step explanation:

3 0
3 years ago
What inequality symbol below makes the statement above true? 3.5_3/5
mylen [45]

Answer:

3.5>3/5

Step-by-step explanation:

8 0
3 years ago
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