Question and answer
10. The length and width of a rectangle are (x 4) cm and x cm respectively. A square has the same perimeter as this rectangle. If you add the areas of the rectangle and the square, the result is 94cm2. Solve for x.
The length and width of a rectangle are (x + 4) cm and x cm respectively. the perimeter of this rectangle is 2(x + 4) + 2x = 4x + 8. The square is of the same perimeter, so its side is 1/4(4x + 8) = x + 2. [ The rectangle area = x(x + 4), and the square area = (x + 2)^2. We were give their area sum is 94, that is x(x+4)+(x+2)^2=94, solve the equation x^2+4x+x^2+4x+4=94, 2x^2+8x-90=0, x^2+4x-45=0, (x+9)(x-5)=0, x = -9 (impossible) or x = 5. ]
s
Expert answered|yeswey|Points 21161|
Question
Asked 11/20/2014 8:27:05 AM
0 Answers/Comments
This answer has been confirmed as correct and helpful.
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
34,451,927
questions answered
GET
Answers.
GET THE APP.
weegy*
*
Get answers from Weegy and a team of really smart live experts.
Popular Conversations
The correct plural of the noun attorney is _______. The primary ...
Weegy: The correct plural of noun attorney is attorneys.
9/17/2021 5:26:50 PM| 14 Answers
Earthquakes can only occur at a fault if the fault experiences ...
Weegy: Earthquakes can only occur at a fault if the fault experiences compression force in convergent plate boundaries ...
9/13/2021 2:29:33 AM| 6 Answers
A(n) __________ monitors blood flow and oxygen consumption in the ...
Weegy: An fMRI monitors blood flow and oxygen consumption in the brain.
9/15/2021 11:41:43 AM| 3 Answers
203.34+96.67+1289.60+45+67.12+30
9/15/2021 8:27:32 PM| 3 Answers
What’s the reciprocal of 7:9
Weegy: The reciprocal of 7:9 is 1/7: 1/9.
9/18/2021 5:31:04 PM| 3 Answers
S
L
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
P
1
L
P
1
Points 640 [Total 6513] Ratings 11 Comments 530 Invitations 0 Offline
S
L
Points 634 [Total 868] Ratings 1 Comments 624 Invitations 0 Offline
S
L
Points 420 [Total 586] Ratings 5 Comments 370 Invitations 0 Online
S
L
P
P
L
P
Points 410 [Total 7620] Ratings 12 Comments 290 Invitations 0 Offline
S
L
R
P
Points 192 [Total 3141] Ratings 7 Comments 122 Invitations 0 Online
S
L
Points 139 [Total 1491] Ratings 1 Comments 129 Invitations 0 Offline
S
L
Points 135 [Total 161] Ratings 0 Comments 135 Invitations 0 Offline
S
L
P
P
Points 133 [Total 3908] Ratings 1 Comments 123 Invitations 0 Offline
S
L
L
P
Points 131 [Total 5926] Ratings 1 Comments 121 Invitations 0 Offline
S
L
Points 118 [Total 144] Ratings 6 Comments 58 Invitations 0 Online
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.