1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
nikdorinn [45]
3 years ago
10

The length of a rectangle is 1 ft more than double the width, and the area of the rectangle is 45 ft2 . find the dimensions of t

he rectangle.
Mathematics
1 answer:
algol [13]3 years ago
3 0
A = L * W
A = 45
L = 2W + 1

45 = W(2W + 1)
45 = 2W^2 + W
2W^2 + W - 45 = 0
(2W - 9)(W + 5) = 0

W + 5 = 0
W = -5...not this one because it is negative

2W - 9 = 0
2W = 9
W = 9/2
W = 4.5 <=== the width is 4.5 ft

L = 2W + 1
L = 2(4.5) + 1
L = 9 + 1
L = 10 <=== the length is 10 ft
You might be interested in
Then add five pairs of your own explaining their connotative differences
olasank [31]
1. Crippled, Disabled 
Crippled is almost sound like a discriminating word and have a negative connotation where as disabled is more polished and reverent.
 2. Relaxed, Easy-going
 Both seem same but relaxed refers to free, pleasure and stress free but easy-going implies not serious and laziness.
 3. Knockout, Beautiful
 Knockout mainly used to imply someone is sex y where as beautiful is simple compliment for a person.
 4. Young, Immature
 Sometimes both are used in the same context but youth may be always a substitute for immature.
 5. Skinny, Thi n Both are almost similar but actually someone skinny is called thin.

4 0
4 years ago
Prove that the value of the expression: 731^2−631^2 is divisible by 100
Ivanshal [37]

Answer:

Step-by-step explanation:

731² - 631² is the difference of squares.

731² - 631² = (731+631)(731-631) = 1362×100

therefore, 731² - 631² is divisible by 100

7 0
3 years ago
A new building is 25 meters tall. how many decimeters tall is the building?
Akimi4 [234]
25 meters is the same as 250 decimeters tall.. hope this helped

3 0
4 years ago
Read 2 more answers
A line passes through the two given points. Is it vertical , horizontal ,or neither ? (8, 3), (8, -4) Vertical Horizontal Neithe
fredd [130]
Vertical.

the x value its the same for both, so you are going to the same point before moving up or down for the y value.
3 0
3 years ago
Read 2 more answers
An employee working in a machine shop is exposed to three different sources which emit noises at 81 dB, 91 dB, and 88 dB. What i
leonid [27]
Hello,
Please, see the attached file.
Thanks.

5 0
4 years ago
Other questions:
  • Which expression is equivalent -21.8-(-18.3)
    12·2 answers
  • (b) if the length, width, and height are increasing at a rate of 0.1 ft/sec, 0.2 ft/sec, and 0.5 ft/sec respectively, find the r
    12·2 answers
  • Solve each equation y-6.72=253
    8·2 answers
  • Find cos \theta θ if \sin\theta=-\frac{7}{15} sin ⁡ θ = − 7 15 and falls in quadrant 4
    7·1 answer
  • 1. A clerk at the pet store kept track of the number of fish purchased by customers during one week. Mary bought 1 fish, Ari bou
    11·2 answers
  • What is 18576939*47 Thanks!!!!!
    14·2 answers
  • A mailbox that is 36 inches tall is beside a tree.The length of the mailboxes shadow is 28 inches.The length of the trees shadow
    15·1 answer
  • Given: AD = CF
    14·1 answer
  • I really need help. Solving Systems with Substitution<br><br> y=2x<br> x+y=(-9)
    6·1 answer
  • What is the value of AAA when we rewrite 4^{31x}4 31x 4, start superscript, 31, x, end superscript as A^{ x}A x A, start supersc
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!