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ira [324]
2 years ago
5

Hi, please help!

Mathematics
1 answer:
Vlad1618 [11]2 years ago
8 0
Answer: 5-/5-10/-3

Explaination: just fill in the letter it corresponds to
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Evaluate (–1)8 + (–1)7 – 16 – 14 – (–1)2. Pay attention to the placement of the parentheses and negative signs. Question 1 optio
Inessa05 [86]
Since we are evaluating, we use PEMDAS so we know the order the operations. Follow PEMDAS:

Original Expression: (-1)8+(-1)7-16-14-(-1)2.

Evaluating: -8-7-16-14+2

-8-7=-15-16=-31-14=-45+2=-43.

The answer is -43 according to PEMDAS.
8 0
2 years ago
I need help for my exam ?
Lera25 [3.4K]

Answer:

I think B , C AND E  are right.... I hope im right!

Step-by-step explanation:

b - 7 is a coefficient

c- 2v + 5+7u is written as a sum of the.....

e - 5 is a constant

6 0
2 years ago
Ahmed is solving the following equation for xxx.
Dennis_Churaev [7]

Answer:

No

Step-by-step explanation:

An extraneous solution is a root of a transformed equation which is not a root of the original equation because it was not included in the domain of the original equation.

Ahmed is solving 2\sqrt[3]{x-7}+11=3 for x.

His steps were:

\begin{aligned}2\sqrt[3]{x-7}&=-8\\  \sqrt[3]{x-7}&=-4\\  \left(\sqrt[3]{x-7}\right)^3&=(-4)^3\\  x-7&=-64 \end{aligned}

Since cube roots <u>do not give two solutions when solved</u>, it is <u>not necessary </u>to check his answers for extraneous solutions.

7 0
3 years ago
Which of the following is a solution of 12 x - 7 &gt; 6?<br><br> -1<br> 0<br> 1<br> 2
Mkey [24]

Answer:

The answer to your question is "2"

Step-by-step explanation:

Data

       12x - 7 > 6

Process

1.- Add +7 in both sides of the inequality

       12x - 7 + 7 > 6 + 7

2.- Simplify

       12x >  13

3.- Divide by 12 both sides

         12x/12 > 13/12

                 x > 13/12    or   x >  1.08  

4.- Conclusion

     All the numbers higher than 1.08 are solutions of this inequality

    Then, from the choices, the only possible solution is 2.                          

5 0
3 years ago
18. f-g4, if f =3 and g = -5=
Nina [5.8K]

Answer:

23

Step-by-step explanation:

Step 1:

3 - -5 (4)

Step 2:

3 - (-20)

Step 3:

3 + 20

Answer:

23

Hope This Helps :)

8 0
3 years ago
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