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

what are the main pros and cons to immigration in north america?

Skill-based outcomes include acquisition or learning of skills and use of skills on the job. a true b false

Use the rules for long division to divide 262 by 9. A. 30 B. 29r1 C. 28 D. 29

What was the bold statement made by President James Monroe in the Monroe Doctrine of 1823?

1. At which position will the bar magnets most likely experience the least magnetic potential energy between them? A. Position 1 B. Position 2 C. Position 3 D.

You develop passive immunity when you receive antibodies from another person. true or false

What's figurative language

which is an example of the impact of genetic research on the environment? dna typing genetic testing genetically modified organisms human genome project

Driving excessively fast or slow, showing off while driving, or driving aggressively might indicate a driver ___________________.

Battles during the spanish-american war took place in the philippines as well as the caribbean. true or false