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valina [46]
3 years ago
7

Which expression represents the volume of the pyramid? StartFraction x cubed + 2 x squared Over 3 EndFraction cm3 StartFraction

x squared + 2 x squared Over 2 EndFraction cm3 StartFraction x cubed Over 3 EndFraction cm3 StartFraction x cubed + 2 x squared Over 2 EndFraction cm3
Mathematics
2 answers:
saw5 [17]3 years ago
6 0

Answer:

<h3> (x³+2x²)/3 cm³</h3>

Step-by-step explanation:

Find the diagram attached

Volume of a pyramid = 1/3 * Base area * height

Base area = x*x

Base area = x²

Height = x+ 2

Get the volume:

Volume of the pyramid = 1/3 * x² * x+2

Volume of the pyramid =  x²(x+2)/3

<em>Volume of the pyramid  = (x³+2x²)/3 cm³</em>

Yakvenalex [24]3 years ago
4 0

Answer:

D aka (x³+2x²)/3 cm³

Step-by-step explanation:

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Read 2 more answers
F(x) = 3. 7 – 2x g(x) = 0. 25x – 5 What is f(x) g(x)? h(x) = 3. 95x – 7 h(x) = 8. 7 – 2. 25x h(x) = –1. 3 – 1. 75x h(x) = 3. 95
Ipatiy [6.2K]

To solve the problem we must know about Like Terms.

<h3>What are Like Terms?</h3>

Like terms are those terms that are having the same variables, also the variables are of the same order as well.

for example, 25x and 5x are like terms; 30xy and 7xy are like terms, 9x³ and 4x² are not like terms, etc.

The solution to the problem is (-1.7x-1.3).

Given to us

  • f(x) = 3.7 - 2x
  • g(x) = 0.25x - 5

To find

f(x) + g(x)

To solve the problem we will put the functions as given to us,

f(x)+g(x)\\= ( 3.7 - 2x)+( 0.25x - 5)

Open brackets,

=3.7 - 2x+ 0.25x - 5

<h3>Like Terms</h3>

Solve the like terms,

=3.7 - 2x+ 0.25x - 5\\\\=0.25x-2x-5+3.7\\\\=-1.75x-1.3

Hence, the solution to the problem is (-1.7x-1.3).

Learn more about Like Terms:

brainly.com/question/2513478

6 0
2 years ago
1. Find the area of parallelogram ABCD.
LUCKY_DIMON [66]

Answer:

1: C =69.3 m2

2: F = ll units

3. C:  3 in.

4. G =65 units

Step-by-step explanation:

1: C =69.3 m2

We see from the figure that height of the parallelogram ABCD is not known and the base is 10 m

Taking the right angled triangle the height is given by

Sine theta= height/hypotenuse

height = hypotenuse* sine theta

         = 8* sine 60

         = 8* 0.866= 6.928

Area of parallelogram= base * height

                   = 10 * 6.928

                   = 69.28

                  =69.3 m²

2: F = ll units

We see from the figure that height of the parallelogram DEFG is not known and the base is 13 cm

Area of parallelogram= base * height

                  143 = 13 * height

           Height = 143/13= 11 units

3. C:  3 in.

The area of the triangle = 1/2 * base * height

Let the height be x then the base is 3x

54= 1/2*x*3x

54= 3x²/2

27= 3x²

x²=27/3

x²= 9

x= 3

The height is 3 inches

4. G =65 units

Area of the quadrilateral = 1/2 *PR*QO + 1/2 *PR*OS

                                      = 1/2*13*4+ 1/2*13*6

                                        =26+ 39

                                        = 65 units

These measurements are given in the diagram .

5 0
3 years ago
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