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Hunter-Best [27]
2 years ago
14

Hello I need help on this math question

Mathematics
1 answer:
Licemer1 [7]2 years ago
4 0

Answer:

94.2 in squared

Step-by-step explanation:

lateral area plus area of both flat sides

37.68 + 2(3.14*3^2)

37.68 + 56.52 = 94.2 in squared

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I would say 8 but im gonna say 6 cause im a rebel
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3x^3 - 2y^-6x^2y^2+xy for x=2/3 and y=1/2
Dominik [7]

Answer:

-13

Step-by-step explanation:

3x^3 - 2y^-6x^2y^2+xy

x=2/3 and y=1/2

Solve :

3x^3 - 2y^-6x^2y^2+xy

Put value of x and y in this equation

= 3(2/3)^3 - 2(1/2)^-6(2/3)^2(1/2)^2+(2/3)(1/2)

= -13

4 0
3 years ago
A group of workers can plant 21 acres in 7 days.<br> What is their rate in acres per day?
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Answer:

3

Step-by-step explanation:

21 acres divided by 7 days equals to 3 days

Each day they do 3 acres

3 acres * 7 days = 21 acres in a week

7 0
2 years ago
Read 2 more answers
How many thousand are in the estimated product of 4x6817
pogonyaev
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7 0
3 years ago
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Read the picture below for the question
777dan777 [17]
<h2>Hello!</h2><h2>The answer is: </h2>

The surface area of the most common geometrical shapes are:

  • Circle=\pi *r^{2}
  • Triangle=b\frac{h}{2}
  • Rectangle=b*h
  • Cube=6*a^{2}
  • RectangularPrism=2*l*w+2*l*h+2*w*h
  • RigthCircularCilynder=2\pi *r^{2}+2\pi *r*h
  • Sphere=4*\pi *r^{2}
  • RightCircularCone=\pi *r^{2}+\pi *r*(\sqrt{h^{2} +r^{2}})
<h2>Why?</h2>

The area can be defined as the sum of the areas that cover the surface of an object or shape, and it's expressed in squared units.

There are the formulas for the surface area of the most common geometrical shapes.

Circle,

Circle=\pi *r^{2}

Where:

\pi =3.1416\\r=radius

Triangle,

Triangle=b\frac{h}{2}

Where:

b=base\\r=height

Rectangle:

Rectangle=b*h

Where:

b=base\\r=height

Cube,

Cube=6*a^{2}

Where:

a=SideLength

Rectangular Prism,

RectangularPrism=2*l*w+2*l*h+2*w*h

Where:

l=length\\w=width\\h=height

Right Circular Cilynder,

RightCircularCilynder=2\pi *r^{2}+2\pi *r*h

Where:

\pi =3.1416\\r=radius\\h=height

Sphere,

Sphere=4*\pi *r^{2}

Where,

\pi =3.1416\\r=radius

Right Circular Cone,

RightCircularCone=\pi *r^{2}+\pi *r*(\sqrt{h^{2} +r^{2}})

Where:

\pi =3.1416\\r=radius\\h=height

Have a nice day!

6 0
3 years ago
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