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3 years ago

Simplify an expression for the premier of the rectangle shown with length 8.6 X +3 and width 5.2

Mathematics

1 answer:

KonstantinChe [14]3 years ago

8 0

Answer:

P = (17.2x+16.4)

Step-by-step explanation:

Given that,

Length, l = 8.6x+3

Width, b = 5.2

We need to find the expression for the perimeter of the rectangle. The formula for the perimeter of the rectangle is given by :

$P=2(l+b)$

Putting values of l and b in the above formula

$P=2(8.6x+3+5.2)\\\\=2(8.6x+8.2)\\\\=2(8.6x)+2(8.2)\\\\=17.2x+16.4$

So, the required perimeter of the rectangle is $17.2x+16.4$ .

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PLEASE HELP!!!!!! The length of a rectangle is three times its width. If the perimeter of the rectangle is 56 cm, find its area.

Alexus [3.1K]

Step-by-step explanation:

l = length

w = width

l = 3w

perimeter p = 2l + 2w = 56

using the identity of the first equation

p = 2(3w) + 2w = 56

6w + 2w = 56

8w = 56

w = 7 cm

l = 3w = 3×7 = 21 cm

so, the area is

l×w = 21×7 = 147 cm²

8 0

2 years ago

Hi, I actually have this question not this one sorry

Ivanshal [37]

we know that

If V is the midpoint of SU

then

SV=VU

substitute the given values

2x+18=8x-6

solve for x

8x-2x=18+6

6x=24

Find SV

SV=2x+18

SV=2(4)+18

<h2>SV=26 units</h2>

<h2>VU=26 units</h2>

and

SU=2SV

SU=2(26)

<h2>SU=52 units</h2>

4 0

1 year ago

Evaluate this problem 3/5 - 1/4

svp [43]

The answer to this equation would be 7/20. Hope this helps! :D

~PutarPotato

8 0

4 years ago

Read 2 more answers

What is the area?? How do I find it?

Alika [10]

Answer:

73.5

Step-by-step explanation:

A=bh

10.5*7

73.5

6 0

3 years ago

−20=−4x−6x Find the value of x

xeze [42]

Answer:

$\huge\boxed{x=2}$

Step-by-step explanation:

$-20=-4x-6x\qquad|\text{combine like terms}\\\\-20=-10x\qquad|\text{divide both sides by (-10)}\\\\\dfrac{-20}{-10}=\dfrac{-10x}{-10}\\\\2=x\to x=2$

4 0

3 years ago