When you reverse the digits in a certain two digit number you decrease it’s value by 36. find the number if the sum of its digits is 10

The number is 73.

Step-by-step explanation:

I. 10b + a = 10a + b - 36

II. a + b = 10 --> b = 10 - a

II in I

10b + a = 10a + b - 36

9b = 9a - 36

9(10 - a) = 9a - 36

90 - 9a = 9a - 36

126 = 18a

a = 7

b = 10 - 7 = 3

step-by-step explanation:

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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: