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

Mason bought 6 loaves of bread and 3 packages of cheese for a total of $27. The cost of a package of cheese is $1.50 more than the cost of a one loaf of bread.

the total cost C for g grams of igneous rock if each gram costs $3.81

how do you get from one number to the next using multiplacation or division? Exp: 100 to 106

There are 56 colas and 28 lemon-lime sodas in the cooler. What is the ratio of colas to lemon-lime sodas?

the adjectives in the following sentence: The weekend conference is in town today and tomorrow.

Find the most important variable in the problem. A rower of a canoe row at a rate of 5 miles per hour in calm water. With the current, she can row 14 miles in t

How are the Igbo people portrayed by Achebe in Things Fall Apart?

My answer is wrong I need the correct answer and show your work by step by step

Fill in the blank in the following sentence with the appropriate preposition below. (PLEASE HELP NEED ANSWER ASAP)

A grocery store sells a bag of 5 potatoes for $2. What is the unit cost if each potato in the bag