2 years ago

Can someone please help me out

Mathematics

1 answer:

const2013 [10]2 years ago

8 0

Answer:

x = 8, A = 182 units²

Step-by-step explanation:

The perimeter P of a rectangle is calculated as

P = 2l + 2b ( l is the length and b the breadth )

Given P = 66, then

2(7) + 2(3x + 2) = 66 ← distribute and simplify left side

14 + 6x + 4 = 66

6x + 18 = 66 ( subtract 18 from both sides )

6x = 48 ( divide both sides by 6 )

x = 8

Then

3x + 2 = 3(8) + 2 = 24 + 2 = 26, so

A = 7 × 26 = 182 units²

You might be interested in

Which of the following is calculated by finding the product of the length, width, and height of a prism?

Mariulka [41]

Answer:

C) Volume

Step-by-step explanation:

Volume of any three dimensional figure is defined as its capacity.

Here, if we take the figure of a 3D Prism,

Here,

Perimeter = Sum of all sides

Total Area = sum of Area of all triangles

Volume = Length x Breadth x Height = Product of dimensions

then Multiplying all its dimensions will give us its volume.

3 0

3 years ago

What is the LCM of x^2+4x, x^2

nordsb [41]

$x^2+4x=x\cdot (x+4)\\
x^2= x\cdot x\\\\
\text{lcm}(x^2+4x,x^2)=x^2\cdot(x+4)=x^3+4x^2$

5 0

3 years ago

Who knows the story of inflation

Allushta [10]

This is not math. Inflation is inflation

4 0

3 years ago

Let x represent the number of batteries and y represent the cost of the batteries. A package of 8 rechargeable batteries costs $

Rasek [7]

Answer:

8 battery =12

20 battery =?(x)

8x=240

x=240÷8

x=30

for 20 battery..it would cost 30

Step-by-step explanation:

5 0

2 years ago

0.7(3.6 x 10^-2) any answers please

Gelneren [198K]

The answer is 0.0252 .

4 0

3 years ago

Read 2 more answers