Register
I'm giving 40 points for this!! Pleaseeee help ASAP :)
67.5k views
4 votes
I'm giving 40 points for this!! Pleaseeee help ASAP :)

I'm giving 40 points for this!! Pleaseeee help ASAP :)-example-1
User Harry Wang
by
9.1k points

1 Answer

2 votes

Answer:

  • 7 m

Explanation:

Let the width is w and the length is w + 5.

The area is 84:

  • w(w + 5) = 84
  • w² + 5w - 84 = 0
  • w² + 12w - 7 w - 84 = 0
  • w(w + 12) - 7(w + 12) = 0
  • (w - 7)(w + 12) = 0
  • w = 7 is the only positive root

User Anther
by
8.3k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!