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Sliva [168]
3 years ago
9

What is the solution of the equation of the compound inequality 4x <-8 or 9x> 18

Mathematics
1 answer:
sergey [27]3 years ago
7 0

Answer:

x<-2 or x >2

Step-by-step explanation:

4x <-8 or 9x> 18

Solve them seperately

4x <-8

Divide by 4

4x/4 <-8/4

x<-2

9x> 18

Divide by 9

9x/9 >18/9

x >2

x<-2 or x >2

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Step-by-step explanation:

Let i be the profit realized from the sale and d be the discount made on the sale:

#John's selling price can be calculated by first adding profit, i to $450, the d to the new price as:

P_n=P_o(1+i)+d[P_o(1+i)]\\=450(1+0.3)+0.1[450(1+0.3)]\\\\\\=450\times 1.3+0.1(450\times1.3)\\\\=585+58.5\\\\=643.50

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3 years ago
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Answer:

Number 2

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3 years ago
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4 0
3 years ago
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For the function f(x) = -(x + 1)2 + 4, identify the vertex, domain, and range.
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f ( x ) = - ( x + 1)^2 + 4

_____________________

Vertex = ( - 1 , 4 )

♡♡♡♡♡♡♡♡♡♡♡♡

Domain = R

♡♡♡♡♡♡♡♡♡♡♡♡

Range = ( - infinite , 4 ]

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