The width of a rectangle is 3 units less than the length. if the area is 130 square units, then find the dimensions of the rectangle.

Length = 10

Width = 13

Step-by-step explanation:

If the width of a rectangle is 3 units less than the length and if the area is 130 square units, the length is 10 units and the width is 13 units.

Formula: A=wl

Therefore, you have to find what two numbers multiply together in order to recieve 130 units.

A=wl=13·10=130

10 =

13 =

Step-by-step explanation:

= -3 +

[-3 + ] = 130 ↷

² - 3 - 130 ↷

[ + 10][ - 13] → [Notice that he negative symbol was not boldfaced because when we ate talking about dimensions, we want NON-NEGATIVE numbers.]

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the answer to the question is a  

it has the same slope and the same y-intercept.

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: