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
11Alexandr11 [23.1K]
3 years ago
11

the area of a rectangle is 54 cm. the length is 2 cm more than a x and the width is 5 cm less than twice of x. solve for x. roun

d to the nearest whole number
Mathematics
1 answer:
Leni [432]3 years ago
6 0
A=54
xy=A=54
xy=54
x=2+n
y=2n-5
(2+n)(2n-5) = 54
2n^2-n-10 = 54
2n^2-n-64 = 0
Quadratic equation
(-2+-√(2²-4(2)(-64))/4
√4-512
√508
22.54
-2+- 22.54
        /4
5.13 or 6.135
so 5 or 6


You might be interested in
Find the number that makes the ratio equivalent to 9:1 <br><br> Answer has to end with :8
Svetradugi [14.3K]
The answer is 72 : 8
8 0
3 years ago
Arithmetic square root of 0.55
gregori [183]

Answer:

0.74

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the product.<br><br> (a 2 b 3)4
mel-nik [20]
 <span>Is that supposed to be: 

(a²b³)⁴ 

If so, the exponent of an exponent is the product of the exponents, so we end up with: 

a⁸b¹²</span>
7 0
3 years ago
Read 2 more answers
Brainliest AGAIN, lol, help quickly!
Neko [114]

Answer:

B

Step-by-step explanation:

divide 4 and 12 by 4 and get 1/3

7 0
2 years ago
Read 2 more answers
Please help i will give brainliest
inn [45]

Answer:

y = -3

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • REASONING A rectangular box for a new product is designed in such a way that
    12·1 answer
  • What is the missing term?
    13·2 answers
  • Anyone would like to do a padlet
    12·2 answers
  • How to evaluate cos2 pi - sin pi/2
    15·1 answer
  • Which can be the first step in finding the equation of the line that passes through the points (5, negative 4) and (negative 1,
    15·2 answers
  • -3.8x=-7.4<br> How do you solve this?
    11·1 answer
  • Jackson recorded the growth of a plant over 10 weeks. The equation y=0.25x+4 represents the height in inches over the time in we
    5·1 answer
  • A child is flying a kite. If the string is pulled tight to its full length of 40 feet and is held at an angle of 71 degrees abov
    12·1 answer
  • Find the perimeter of the trapezoid.<br> 16<br> 7<br> 5<br> 4<br> 20<br> Plz plz help
    10·1 answer
  • Solve using substitution.<br><br> y = -5x - 1<br> y = -x - 5
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!