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-3x> or equal to -30; answer number 1

Step-by-step explanation:

-3x> or equal to as the dot is filled in. and it's heading towards the negative which mean it's equal to or less than 10.

Also -3x/-30 = -x>-30/-1 when you divide by a negative flip the sign.

so x< or equal to 10.

or -3x> or equal to -30

the answer to the expression is 83

b: |12 – x| ≤ 0.25

step-by-step explanation:      

let x be the possible lengths in inches, of the ribbons jaime cut.

we have been given that jaime is cutting strips of ribbon for a project. he tries to cut each piece to be 12 inches long, but sometimes he cuts it too long or too short by as much as 0.25 inch.  

we can represent this information in an inequality as:

by the definition of absolute value function we will get,

upon combining our inequalities we will get,

therefore, the inequality   describes all the possible lengths (x), in inches, of the ribbons jaime cut.

step-by-step explanation: