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
tatiyna
3 years ago
12

Perimetrul unui dreptunghi este de 400 m, iar latimea este de 3 ori mai mica decat lungimea acestuia. Cati metri are lungimea dr

eptunghiului?
Mathematics
1 answer:
wlad13 [49]3 years ago
3 0

Răspuns:

150 m

Explicație pas cu pas:

Reamintim:

Perimetrul unui dreptunghi, P

P = 2 (lungime + lățime)

P = 400

Lățime = x

Lungime = 3x

Astfel, avem:

400 = 2 (3x + x)

400 = 2 (4x)

400 = 8x

Împărțiți ambele părți la 8

50 = x

Lungime = 3x

Lungime = 3 * 50

Lungime = 150 m

You might be interested in
Which is a true stament?
solong [7]
2nd one: 2 rectangles can have thr same area but have different perimeters.
6 0
3 years ago
Read 2 more answers
Plz help me because I don’t no it<br><br> 2345 ➗ 550
babymother [125]

Answer:

4.26363636364 or this fraction 4 and 6590909090/25000000000

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Use the following graph to evaluate f’(-5) and f’(-1).
Rzqust [24]

Answer:

Bonsoir,

f'(-5)=-4/3

f'(-1) =3/4

Step-by-step explanation:

f'(-5) = ?

2 points : (-6,9) and (-3,5)

f'(-5)=(9-5)/(-6-(-3))=-4/3

f'(-1) = ?

2 points : (-3,5) and (1,8)

f'(-1)=(5-8)/(-3-1)=3/4

The lines are perpendicular

8 0
3 years ago
A population of bees is decreasing. The population in a particular region this year is 1250. After year 1, it is estimated that
ruslelena [56]

Answer:

1250 => 250 ( subtracted from the balance population )

1000 => 300

800 => 350

450. => 400

50.

So it will take around 5 years I think to be below 100.

Thank you and please rate me as brainliest as it will help me to level up

3 0
3 years ago
Solve the equation for the given variable x/4=6/8
posledela

Answer:

x = 3

Step-by-step explanation:

This process is called cross multiplication.

Multiply 6 · 4 = 24

Divide 24 ÷ 8 = 3

x = 3

6 0
3 years ago
Read 2 more answers
Other questions:
  • Which equation best represents this situation?  The number 88 is equal to a number divided by 11.   A. 88 = 11g   B. 88 = 11 + g
    5·1 answer
  • Does -x plus -x result in -x?
    11·1 answer
  • A carpenter is framing a window with wood trim where the length of the window is 9 1/3 feet. If the width of the window is 6 3/4
    15·1 answer
  • What is the diameter of the circle?
    13·2 answers
  • Karissa bought a box of cereal at the supermarket. The price on the shelf said
    14·2 answers
  • Allie noticed that to get her test grade, she could take Valerie's grade, multiply it by 2 and subtract 15. If Valerie's test gr
    10·1 answer
  • Which set of measurement could be the interior angle measures of a triangle??
    7·2 answers
  • A rectangular prism has a base 3 cm by 4 cm and is 5 cm in height.
    8·2 answers
  • All you need is on the picture
    8·1 answer
  • Directions : Factor each of the following Differences of two squares and write your answer together with solution​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!