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Tasya [4]
2 years ago
7

Someone help me with these 3 problems!!!! Due tomorrow!!!

Mathematics
1 answer:
Neporo4naja [7]2 years ago
6 0

Answer:

3. x\leq-1    

5. n\geq6

7. n>11

Step-by-step explanation:

3. -7+x\geq-8              5. n-2\leq4           7.  -18+n-7  

   +7     +7                   +2 +2                +18    +18

    x\leq-1                          n\geq6                     n>11

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Maksim231197 [3]

Answer:

28

Step-by-step explanation:

16−(−12)

=16−(−12)

=16+12

=28

____________________________________________________________

28 is your answer

(Hope it helps)

3 0
3 years ago
Read 2 more answers
Sin(3pi over 4) = _____
OlgaM077 [116]
If you're using the app, try seeing this answer through your browser:  brainly.com/question/2790456

______________


\mathsf{sin\!\left(\dfrac{3\pi}{4}\right)}\\\\\\ =\mathsf{sin\!\left(\dfrac{3\cdot 180^\circ}{4}\right)}\\\\\\ =\mathsf{sin(135^\circ)}\\\\ =\mathsf{sin(180^\circ-135^\circ)}

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8 0
3 years ago
If 2x+4 = (x²)²÷2 then what is x?
Leviafan [203]

Answer:

Below.

Step-by-step explanation:

2x+4 = (x²)²÷2

2x + 4 = x^4/2

x^4 = 4x + 8

x^4 - 4x - 8 = 0

We can try trial an error to solve this

Looks like x = 2 fits it:

2^4 - 4(2) - 8

= 16 -8 -8 = 0

so x = 2 is one solution.

I can't find any other solution among other integers.

To find the other solutions you can draw a graph manually or by using software.

There will be either 1 or 3 more real solutions.

I used software to draw the graph and found one other solution:

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8 0
2 years ago
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vivado [14]
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5 0
4 years ago
Read 2 more answers
Solve the inequality
ollegr [7]

Answer:

n < 7

Step-by-step explanation:

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Have a good day :)

4 0
3 years ago
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