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Alborosie
3 years ago
6

Select the solutions to the following inequality: |x| < 7

Mathematics
1 answer:
Rasek [7]3 years ago
4 0
|x| < 7
means x < 7 and x > -7

answer is -7 < x < 7
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What is -3x^2-4x-4=0
ss7ja [257]

Answer:

<h2>no real solution</h2>

Step-by-step explanation:

-3x^2-4x-4=0\qquad\text{change the signs}\\\\3x^2+4x+4=0\\\\\text{use the quadratic formula:}\\\\\text{for}\ ax^2+bx+c=0\\\\\text{if}\ b^2-4ac0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

\text{We have}\ a=3,\ b=4,\ c=4.\\\\\text{Substitute:}\\\\b^2-4ac=4^2-4(3)(4)=16-48=-32

8 0
3 years ago
IND 11. Kim is arranging magazines on shelves. She has 18 sports magazines and 24 news magazines. Each shelf will have the same
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3 years ago
Find the prime factorization of each number
In-s [12.5K]
   58               212                     2800                900
  /    \              /    \                  /            \              /  \
29    2          2    106           700          4           3  300 
                          /    \          /      \        /  \              /    \  
                        2     53     70     10    2   2          3     100  
                                        /  \     /   \                            /   \ 
                                      7 10   5   2                         2    50
                                         /  \                                         /  \
                                       5    2                                     5  10
                                                                                        /   \ 
                                                                                      5    2
The prime factors are in bold. 
3 0
3 years ago
The law of detachment can be used to draw a conclusion from the following statements: "It will be sunny on Tuesday." "I will alw
algol [13]
This is basically just saying you'll go outside Tuesday because it's sunny. Sunny weather is nice weather.
8 0
3 years ago
Which of the following is equivalent to square root of 20
maxonik [38]
Idk! Is there a picture to show us?
7 0
3 years ago
Read 2 more answers
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