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ira [324]
3 years ago
15

• Write an expression for the perimeter of a

Mathematics
1 answer:
Ksenya-84 [330]3 years ago
6 0

Answer:

10 (X+1)

Step-by-step explanation:

Length = 2x + 5

Width = 3x

Perimeter of rectangle= 2(L + W)

P= 2\times (2x+5+3x)

P= 2\times (5x+ 5)

Now, taking 5 as common

P= 2\times 5 (x + 1)

∴ Perimeter of rectangle= 10\times (x+1)

You might be interested in
Find the equation of a circle given only its diameter endpoints: (-2,1) and (6,-7)
Svet_ta [14]

Answer:

(x - 2)² + (y + 3)² = 32

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

The centre of the circle is at the midpoint of the diameter

Calculate the centre (x, y ) using the midpoint formula

(x, y ) = ( \frac{x_{1}+x_{2}  }{2} , \frac{y_{1}+y_{2}  }{2} )

with (x₁, y₁ ) = (- 2, 1) and (x₂, y₂ ) = (6, - 7)

(x , y ) = ( \frac{-2+6}{2} , \frac{1-7}{2} ) = ( \frac{4}{2} , \frac{-6}{2} ) = (2, - 3)

The radius is the distance from the centre to either of the endpoints

Calculate the radius using the distance formula

r = \sqrt{(x_{2}-x_{1})^2+( y_{2}-y_{1})^2   }

with (x₁, y₁ ) = (2, - 3) and (x₂, y₂ ) = (- 2, 1)

r = \sqrt{(-2-2)^2+(1-(-3))^2}

  = \sqrt{(-4)^2+(1+3)^2

   = \sqrt{16+4^2}

   = \sqrt{16+16}

   = \sqrt{32}

Then equation of circle is

(x - 2)² + (y - (- 3) )² = (\sqrt{32} )² , that is

(x - 2)² + (y + 3)² = 32

4 0
3 years ago
Read 2 more answers
Use the distribute propty to write an expression that is equlavent to 8
Romashka [77]

Answer:

8(a+4)=8a+32

Step-by-step explanation:

3 0
2 years ago
Six times the difference of a number and 4 is no more than 10.
sveta [45]

Answer: x = 17/3 or 5 2/3

Step-by-step explanation:

Let the number be x

ATQ

6(x -4) = 10

6x-24 = 10

6x = 10+24

6x = 34

x = 34/6

x = 17/3

please click thanks and mark brainliest if you like :)

4 0
3 years ago
A bicycle is traveling at 14 miles per hour.<br> How many feet will it cover in 35 seconds?
Lerok [7]

Answer:

The answer is 31 how that help

3 0
3 years ago
Please help !! :0 <br><br> 6 = -4 (x-2) + 2x
Inessa [10]
Try BIDMAS it might work
5 0
3 years ago
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