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lesya [120]
3 years ago
14

Factorize (x-3y)^3+27y^3 With explanation Will mark Brainliest for the best one...

Mathematics
1 answer:
drek231 [11]3 years ago
7 0
Use the identity: a^3 + b^3 = (a + b)(a^2 - ab + b^2)
Replace b^3 by 27y^3
x^3 + 27b^3 = (x + 3y)(x^2 - 3xy + 9y^2)
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'Il
Tresset [83]

The area of the rectangle will be 150 square meters.

<h3>What is an area?</h3>

The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the rectangle in a two-dimensional plane is called the area of the rectangle.

Given that:-

  • The length of a rectangle is 5 m longer than its width.
  • The perimeter of the rectangle is 50 m.

The area will be calculated as follows:-

From the given condition in the question, we can form two linear equations they are:-

The length of a rectangle is 5 m longer than its width.

L = w + 5

L - w = 5

The perimeter of the rectangle is 50 m.

P = 2 (L + w )

2 ( L+ w ) = 50

L + w = 25

by solving the two equations we will get the values of L and w.

L - w = 5  or w = L - 5

L + w = 25

L + L - 5 = 25

2L = 30

L = 30 / 2

L = 15

Put the value of L in any equation to get w.

L - w = 5

15 - w = 5

w = 10

Now the area of the rectangle will be:-

A = L x w

A = 15 x 5

A = 150 square meters.

Therefore the area of the rectangle will be 150 square meters.

To know more about an area follow

brainly.com/question/25292087

#SPJ1

3 0
2 years ago
Does (3,6) make the inequality 4x+y &gt;19 true
mrs_skeptik [129]
(3,6)
4x + y > 19

4(3) + 6 > 19
12 + 6 > 19
18 > 19

No
6 0
4 years ago
Please help with this​
Ratling [72]

Answer:

5.5 or simply 6

Step-by-step explanation:

6 = 33

1 = x

6x = 33

x = 5.5 ~6

8 0
3 years ago
Read 2 more answers
R=26 in. find the diameter.
Iteru [2.4K]

Answer:

see

Step-by-step explanation:

diameter=2×pi×r

diameter. 2.22/7.r

6 0
3 years ago
Hey I really need help its a test -3x=48
Alexus [3.1K]
 -3x=48 ---> x=-16
5x-1=29 --> x=6
4(x-6)+7=23 --> x=10
3(x-4)+5x=4 --> x=2
4 0
3 years ago
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