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
Colt1911 [192]
3 years ago
5

A rectangular room is 3 meters longer than it is wide, and its perimeter is 22 meters. Find the dimension of the room. The lengt

h is : meters and the width is: meters.
Mathematics
1 answer:
lyudmila [28]3 years ago
4 0

Answer:

Width = 4 m

Length = 7 m

Step-by-step explanation:

given:

perimeter of a rectangle = 22m

L = 3 + W

perimeter = 2L + 2W

perimeter = 2 (3 + W) + 2W

22 = 6 + 2W + 2W

22 - 6 = 4W

W = 16 / 4

W = 4 m

L = 3 + W

L = 3 + 4

L = 7 m

check:

perimeter = 2L + 2W

22 = 2(7) + 2(4)

22 = 14 + 8

22 = 22  ---- OK

You might be interested in
A school is designing two rectangular parking lots. The second parking lot is being designed so that its perimeter is 3/4 of per
Nataly [62]

The perimeter of second plot is 180 feet

<em><u>Solution:</u></em>

Given that,

The second parking lot is being designed so that its perimeter is 3/4 of perimeter of the first parking lot

<h3><u>Find the perimeter of first plot:</u></h3>

Perimeter = 2(length + width)

From given figure in question,

length = 40 feet

width = 80 feet

Therefore,

Perimeter = 2(40 + 80)

Perimeter = 2(120) = 240

Thus, we got,

Perimeter of first parking plot = 240 feet

Also, given that,

\text{Perimeter of second plot }= \frac{3}{4} \times \text{Perimeter of first parking plot}\\\\\text{Perimeter of second plot }= \frac{3}{4} \times 240\\\\\text{Perimeter of second plot }= 180

Thus perimeter of second plot is 180 feet

6 0
4 years ago
What is the difference of ( 3x^2 - 2x +5 ) - ( x^2 + 4x - 11 ) written in standard form ?
lyudmila [28]

Answer:

–3x + 22

Step-by-step explanation:

x + 2(x – [3x – 8] + 3)

x + 2(x – 1[3x – 8] + 3)

x + 2(x – 1[3x] – 1[–8] + 3)

x + 2(x – 3x + 8 + 3)

x + 2(–2x + 11)

x + 2(–2x) + 2(+11)

x – 4x + 22

1x – 4x + 22

–3x + 22

5 0
3 years ago
Read 2 more answers
Two large topping pizzas cost $25.00. what is the constant of proportionality (k)?
Gemiola [76]
2k = 25

Divide 2 on each side

k = 12.5

Each pizza would cost $12.50

Hope this helps!

5 0
4 years ago
Last week Sam had 31 dollars.He washed cars over the weekend and now has 98 dollars.How much money did he make washing cars? Par
kogti [31]

Answer:

Equation: 98 - 31 = 67

6 0
3 years ago
Help please hurry I need to graph​
aksik [14]

Answer:

Brainiest would be appreciated

High Hopes^^

Barry-

7 0
3 years ago
Read 2 more answers
Other questions:
  • (6x^2y^3)^2 ÷ 4x^2y^5
    15·1 answer
  • What is the square root of 240
    5·2 answers
  • Which expression will you generate if you combine the like terms in 5x + 6x + y + y + 3y + 4 + 6 + 2?
    8·2 answers
  • The graph of g(x), shown below,is a vertical shift of the graph f(x)=3^x write the equation for g(x)
    9·2 answers
  • Which real world situation CANNOT be represented by
    14·1 answer
  • Find FL if H is the circumcenter of EFG,
    10·1 answer
  • This year 1 1/6 times as many cyclists entered the race as last year. If 84 cyclists entered the race last year, how many entere
    15·1 answer
  • Give brainiest if right!!
    5·2 answers
  • Of 8
    7·1 answer
  • PLZ HELP
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!