Ralph wants to build a rectangular deck with a predefined area of 792 feet squared. One side of the deck will be 54 feet longer

Question

4 years ago

7

Ralph wants to build a rectangular deck with a predefined area of 792 feet squared. One side of the deck will be 54 feet longer

than the other. To find the side lengths, he first writes the equation (x)(x+54)=792 and later simplifies it to (x-12)(x+66)=0, where x is the length of the shorter side. Which of these are the side lengths, in feet, of the rectangular deck? Select all that apply. A. 42 B. 54 C. 12 D. 66 E. 120

Mathematics

2 answers:

Slav-nsk [51] · Answer 1 · 2021-12-20T09:25:52+03:00

Slav-nsk [51]4 years ago

8 0

Answer:

C.12 and D.66

Step-by-step explanation:

(12+54)(12)=792

66*12=792

Brrunno [24] · Answer 2 · 2021-12-20T11:20:44+03:00

Brrunno [24]4 years ago

8 0

Answer: C. 12 and D. 66