krishamavani krishamavani

01-01-2024
Mathematics

contestada

In Figure 1, ABCD is a rectangle with AB = 12 cm and BC= 7 cm. AK= BL= CM= DN = x cm. If the area of KLMN is 54 cm², find x.

In Figure 1 ABCD is a rectangle with AB 12 cm and BC 7 cm AK BL CM DN x cm If the area of KLMN is 54 cm find x class=

Respuesta :

georgepahno georgepahno

01-01-2024

2(1/2)x(7 - x) + 2(1/2)x(12 - x) + 54 = 84

7x - x² + 12x - x² = 30

-2x² + 19x - 30 = 0

2x² - 19x + 30 = 0

(2x - 15)(x - 2) = 0

x = 2

Answer Link

Otras preguntas

At your favorite deli, you can order a value sandwich for $1.00. Your options include: wheat bread or white bread; turkey or ham; Yellow American cheese or Whit

Cristóbal y Luis (tener) __________ 20 años.

find the center and radius of the circle described by the equation

In his farewell address, president eisenhower cautioned the nation about which threat to democracy? the increased power of the united nations the threat of comm

Which force is responsible for these orbiting motions?

simplify the expression tan(-x)csc(-x)/sec(-x)cot(-x)

Olliva class collected 3'591 bottle caps in 57 days on average how many bottle caps did the class collect per day

An environmental factor that can influence food choices is culture. TRUE OR FALSE

What is log (x) times 3x-1?

Help me. It's question 2 I need the answer for