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Arturiano [62]
3 years ago
13

1.)Solve the inequality. Graph the solution.

Mathematics
1 answer:
Anika [276]3 years ago
4 0

Answer:

Part 1) r\geq \sqrt[3]{-6}

Part 2)   s>4/43  

Part 3) z\leq6

Part 4)  t>-7

Part 5) q

Part 6) p\geq -121/13

Step-by-step explanation:      

Part 1)  -r^{3}\leq 6          

Multiply by -1 both sides

r^{3}\geq -6    

r\geq \sqrt[3]{-6}

r\geq -1.817

The solution is the interval -------> [-1.817,∞)

The solution in the attached figure N 1    

Part 2)  -4>-43s    

rewrite

-43s      

Multiply by -1 both sides

 43s>4    

 s>4/43      

 s>0.09    

The solution is the interval--------> (0.09,∞)

The solution in the attached figure N 2

Part 3) z-2-6\leq-2

combine like terms

z-8\leq-2  

Adds 8 both sides

z\leq-2+8

z\leq6

The solution is the interval--------> (-∞,6]

The solution in the attached figure N 3  

Part 4) -2t-5    

Adds 5 both sides

-2t

-2t

Multiply by -1 both sides

2t>-14

Divide by 2 both sides

t>-7

The solution is the interval--------> (-7,∞)

The solution in the attached figure N 4  

Part 5) 7(q+2)

applying distributive property left side

7q+14

Subtract 14 both sides

7q

7q

Divide by 7 both sides

q

q

The solution is the interval--------> (-∞,-13)

The solution in the attached figure N 5

Part 6) -13(p+9)\leq4

applying distributive property left side

-13p-117\leq4

Adds 117 both sides

-13p\leq4+117

-13p\leq 121

Divide by -1 both sides

13p\geq -121

Divide by 13 both sides

p\geq -121/13

p\geq -9.31

The solution is the interval--------> [-9.31,∞)  

The solution in the attached figure N 5

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